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| <FONT color="green">001</FONT> /*<a name="line.1"></a> |
| <FONT color="green">002</FONT> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <FONT color="green">003</FONT> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <FONT color="green">004</FONT> * distributed with this work for additional information<a name="line.4"></a> |
| <FONT color="green">005</FONT> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <FONT color="green">006</FONT> * to you under the Apache License, Version 2.0 (the "License");<a name="line.6"></a> |
| <FONT color="green">007</FONT> * you may not use this file except in compliance with the License.<a name="line.7"></a> |
| <FONT color="green">008</FONT> * You may obtain a copy of the License at<a name="line.8"></a> |
| <FONT color="green">009</FONT> *<a name="line.9"></a> |
| <FONT color="green">010</FONT> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <FONT color="green">011</FONT> *<a name="line.11"></a> |
| <FONT color="green">012</FONT> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <FONT color="green">013</FONT> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <FONT color="green">014</FONT> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <FONT color="green">015</FONT> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <FONT color="green">016</FONT> * limitations under the License.<a name="line.16"></a> |
| <FONT color="green">017</FONT> */<a name="line.17"></a> |
| <FONT color="green">018</FONT> /*<a name="line.18"></a> |
| <FONT color="green">019</FONT> * $Id: MethodResolver.java 1225263 2011-12-28 18:36:36Z mrglavas $<a name="line.19"></a> |
| <FONT color="green">020</FONT> */<a name="line.20"></a> |
| <FONT color="green">021</FONT> package org.apache.xalan.extensions;<a name="line.21"></a> |
| <FONT color="green">022</FONT> <a name="line.22"></a> |
| <FONT color="green">023</FONT> import java.lang.reflect.Constructor;<a name="line.23"></a> |
| <FONT color="green">024</FONT> import java.lang.reflect.Method;<a name="line.24"></a> |
| <FONT color="green">025</FONT> import java.lang.reflect.Modifier;<a name="line.25"></a> |
| <FONT color="green">026</FONT> <a name="line.26"></a> |
| <FONT color="green">027</FONT> import javax.xml.transform.TransformerException;<a name="line.27"></a> |
| <FONT color="green">028</FONT> <a name="line.28"></a> |
| <FONT color="green">029</FONT> import org.apache.xalan.res.XSLMessages;<a name="line.29"></a> |
| <FONT color="green">030</FONT> import org.apache.xalan.res.XSLTErrorResources;<a name="line.30"></a> |
| <FONT color="green">031</FONT> import org.apache.xml.dtm.DTM;<a name="line.31"></a> |
| <FONT color="green">032</FONT> import org.apache.xml.dtm.DTMIterator;<a name="line.32"></a> |
| <FONT color="green">033</FONT> import org.apache.xml.dtm.ref.DTMNodeIterator;<a name="line.33"></a> |
| <FONT color="green">034</FONT> import org.apache.xpath.objects.XObject;<a name="line.34"></a> |
| <FONT color="green">035</FONT> import org.apache.xpath.objects.XRTreeFrag;<a name="line.35"></a> |
| <FONT color="green">036</FONT> import org.apache.xpath.objects.XString;<a name="line.36"></a> |
| <FONT color="green">037</FONT> import org.w3c.dom.Node;<a name="line.37"></a> |
| <FONT color="green">038</FONT> import org.w3c.dom.NodeList;<a name="line.38"></a> |
| <FONT color="green">039</FONT> import org.w3c.dom.traversal.NodeIterator;<a name="line.39"></a> |
| <FONT color="green">040</FONT> <a name="line.40"></a> |
| <FONT color="green">041</FONT> /**<a name="line.41"></a> |
| <FONT color="green">042</FONT> * Utility class to help resolve method overloading with Xalan XSLT <a name="line.42"></a> |
| <FONT color="green">043</FONT> * argument types.<a name="line.43"></a> |
| <FONT color="green">044</FONT> */<a name="line.44"></a> |
| <FONT color="green">045</FONT> public class MethodResolver<a name="line.45"></a> |
| <FONT color="green">046</FONT> {<a name="line.46"></a> |
| <FONT color="green">047</FONT> <a name="line.47"></a> |
| <FONT color="green">048</FONT> /**<a name="line.48"></a> |
| <FONT color="green">049</FONT> * Specifies a search for static methods only.<a name="line.49"></a> |
| <FONT color="green">050</FONT> */<a name="line.50"></a> |
| <FONT color="green">051</FONT> public static final int STATIC_ONLY = 1;<a name="line.51"></a> |
| <FONT color="green">052</FONT> <a name="line.52"></a> |
| <FONT color="green">053</FONT> /**<a name="line.53"></a> |
| <FONT color="green">054</FONT> * Specifies a search for instance methods only.<a name="line.54"></a> |
| <FONT color="green">055</FONT> */<a name="line.55"></a> |
| <FONT color="green">056</FONT> public static final int INSTANCE_ONLY = 2;<a name="line.56"></a> |
| <FONT color="green">057</FONT> <a name="line.57"></a> |
| <FONT color="green">058</FONT> /**<a name="line.58"></a> |
| <FONT color="green">059</FONT> * Specifies a search for both static and instance methods.<a name="line.59"></a> |
| <FONT color="green">060</FONT> */<a name="line.60"></a> |
| <FONT color="green">061</FONT> public static final int STATIC_AND_INSTANCE = 3;<a name="line.61"></a> |
| <FONT color="green">062</FONT> <a name="line.62"></a> |
| <FONT color="green">063</FONT> /**<a name="line.63"></a> |
| <FONT color="green">064</FONT> * Specifies a Dynamic method search. If the method being<a name="line.64"></a> |
| <FONT color="green">065</FONT> * evaluated is a static method, all arguments are used.<a name="line.65"></a> |
| <FONT color="green">066</FONT> * Otherwise, it is an instance method and only arguments<a name="line.66"></a> |
| <FONT color="green">067</FONT> * beginning with the second argument are used.<a name="line.67"></a> |
| <FONT color="green">068</FONT> */<a name="line.68"></a> |
| <FONT color="green">069</FONT> public static final int DYNAMIC = 4;<a name="line.69"></a> |
| <FONT color="green">070</FONT> <a name="line.70"></a> |
| <FONT color="green">071</FONT> /**<a name="line.71"></a> |
| <FONT color="green">072</FONT> * Given a class, figure out the resolution of <a name="line.72"></a> |
| <FONT color="green">073</FONT> * the Java Constructor from the XSLT argument types, and perform the <a name="line.73"></a> |
| <FONT color="green">074</FONT> * conversion of the arguments.<a name="line.74"></a> |
| <FONT color="green">075</FONT> * @param classObj the Class of the object to be constructed.<a name="line.75"></a> |
| <FONT color="green">076</FONT> * @param argsIn An array of XSLT/XPath arguments.<a name="line.76"></a> |
| <FONT color="green">077</FONT> * @param argsOut An array of the exact size as argsIn, which will be <a name="line.77"></a> |
| <FONT color="green">078</FONT> * populated with converted arguments if a suitable method is found.<a name="line.78"></a> |
| <FONT color="green">079</FONT> * @return A constructor that will work with the argsOut array.<a name="line.79"></a> |
| <FONT color="green">080</FONT> * @throws TransformerException may be thrown for Xalan conversion<a name="line.80"></a> |
| <FONT color="green">081</FONT> * exceptions.<a name="line.81"></a> |
| <FONT color="green">082</FONT> */<a name="line.82"></a> |
| <FONT color="green">083</FONT> public static Constructor getConstructor(Class classObj, <a name="line.83"></a> |
| <FONT color="green">084</FONT> Object[] argsIn, <a name="line.84"></a> |
| <FONT color="green">085</FONT> Object[][] argsOut,<a name="line.85"></a> |
| <FONT color="green">086</FONT> ExpressionContext exprContext)<a name="line.86"></a> |
| <FONT color="green">087</FONT> throws NoSuchMethodException,<a name="line.87"></a> |
| <FONT color="green">088</FONT> SecurityException,<a name="line.88"></a> |
| <FONT color="green">089</FONT> TransformerException<a name="line.89"></a> |
| <FONT color="green">090</FONT> {<a name="line.90"></a> |
| <FONT color="green">091</FONT> Constructor bestConstructor = null;<a name="line.91"></a> |
| <FONT color="green">092</FONT> Class[] bestParamTypes = null;<a name="line.92"></a> |
| <FONT color="green">093</FONT> Constructor[] constructors = classObj.getConstructors();<a name="line.93"></a> |
| <FONT color="green">094</FONT> int nMethods = constructors.length;<a name="line.94"></a> |
| <FONT color="green">095</FONT> int bestScore = Integer.MAX_VALUE;<a name="line.95"></a> |
| <FONT color="green">096</FONT> int bestScoreCount = 0;<a name="line.96"></a> |
| <FONT color="green">097</FONT> for(int i = 0; i < nMethods; i++)<a name="line.97"></a> |
| <FONT color="green">098</FONT> {<a name="line.98"></a> |
| <FONT color="green">099</FONT> Constructor ctor = constructors[i];<a name="line.99"></a> |
| <FONT color="green">100</FONT> Class[] paramTypes = ctor.getParameterTypes();<a name="line.100"></a> |
| <FONT color="green">101</FONT> int numberMethodParams = paramTypes.length;<a name="line.101"></a> |
| <FONT color="green">102</FONT> int paramStart = 0;<a name="line.102"></a> |
| <FONT color="green">103</FONT> boolean isFirstExpressionContext = false;<a name="line.103"></a> |
| <FONT color="green">104</FONT> int scoreStart;<a name="line.104"></a> |
| <FONT color="green">105</FONT> // System.out.println("numberMethodParams: "+numberMethodParams);<a name="line.105"></a> |
| <FONT color="green">106</FONT> // System.out.println("argsIn.length: "+argsIn.length);<a name="line.106"></a> |
| <FONT color="green">107</FONT> // System.out.println("exprContext: "+exprContext);<a name="line.107"></a> |
| <FONT color="green">108</FONT> if(numberMethodParams == (argsIn.length+1))<a name="line.108"></a> |
| <FONT color="green">109</FONT> {<a name="line.109"></a> |
| <FONT color="green">110</FONT> Class javaClass = paramTypes[0];<a name="line.110"></a> |
| <FONT color="green">111</FONT> // System.out.println("first javaClass: "+javaClass.getName());<a name="line.111"></a> |
| <FONT color="green">112</FONT> if(ExpressionContext.class.isAssignableFrom(javaClass))<a name="line.112"></a> |
| <FONT color="green">113</FONT> {<a name="line.113"></a> |
| <FONT color="green">114</FONT> isFirstExpressionContext = true;<a name="line.114"></a> |
| <FONT color="green">115</FONT> scoreStart = 0;<a name="line.115"></a> |
| <FONT color="green">116</FONT> paramStart++;<a name="line.116"></a> |
| <FONT color="green">117</FONT> // System.out.println("Incrementing paramStart: "+paramStart);<a name="line.117"></a> |
| <FONT color="green">118</FONT> }<a name="line.118"></a> |
| <FONT color="green">119</FONT> else<a name="line.119"></a> |
| <FONT color="green">120</FONT> continue;<a name="line.120"></a> |
| <FONT color="green">121</FONT> }<a name="line.121"></a> |
| <FONT color="green">122</FONT> else<a name="line.122"></a> |
| <FONT color="green">123</FONT> scoreStart = 1000;<a name="line.123"></a> |
| <FONT color="green">124</FONT> <a name="line.124"></a> |
| <FONT color="green">125</FONT> if(argsIn.length == (numberMethodParams - paramStart))<a name="line.125"></a> |
| <FONT color="green">126</FONT> {<a name="line.126"></a> |
| <FONT color="green">127</FONT> // then we have our candidate.<a name="line.127"></a> |
| <FONT color="green">128</FONT> int score = scoreMatch(paramTypes, paramStart, argsIn, scoreStart);<a name="line.128"></a> |
| <FONT color="green">129</FONT> // System.out.println("score: "+score);<a name="line.129"></a> |
| <FONT color="green">130</FONT> if(-1 == score) <a name="line.130"></a> |
| <FONT color="green">131</FONT> continue;<a name="line.131"></a> |
| <FONT color="green">132</FONT> if(score < bestScore)<a name="line.132"></a> |
| <FONT color="green">133</FONT> {<a name="line.133"></a> |
| <FONT color="green">134</FONT> // System.out.println("Assigning best ctor: "+ctor);<a name="line.134"></a> |
| <FONT color="green">135</FONT> bestConstructor = ctor;<a name="line.135"></a> |
| <FONT color="green">136</FONT> bestParamTypes = paramTypes;<a name="line.136"></a> |
| <FONT color="green">137</FONT> bestScore = score;<a name="line.137"></a> |
| <FONT color="green">138</FONT> bestScoreCount = 1;<a name="line.138"></a> |
| <FONT color="green">139</FONT> }<a name="line.139"></a> |
| <FONT color="green">140</FONT> else if (score == bestScore)<a name="line.140"></a> |
| <FONT color="green">141</FONT> bestScoreCount++;<a name="line.141"></a> |
| <FONT color="green">142</FONT> }<a name="line.142"></a> |
| <FONT color="green">143</FONT> }<a name="line.143"></a> |
| <FONT color="green">144</FONT> <a name="line.144"></a> |
| <FONT color="green">145</FONT> if(null == bestConstructor)<a name="line.145"></a> |
| <FONT color="green">146</FONT> {<a name="line.146"></a> |
| <FONT color="green">147</FONT> throw new NoSuchMethodException(errString("function", "constructor", classObj,<a name="line.147"></a> |
| <FONT color="green">148</FONT> "", 0, argsIn));<a name="line.148"></a> |
| <FONT color="green">149</FONT> }<a name="line.149"></a> |
| <FONT color="green">150</FONT> /*** This is commented out until we can do a better object -> object scoring <a name="line.150"></a> |
| <FONT color="green">151</FONT> else if (bestScoreCount > 1)<a name="line.151"></a> |
| <FONT color="green">152</FONT> throw new TransformerException(XSLMessages.createMessage(XSLTErrorResources.ER_MORE_MATCH_CONSTRUCTOR, new Object[]{classObj.getName()})); //"More than one best match for constructor for "<a name="line.152"></a> |
| <FONT color="green">153</FONT> + classObj.getName());<a name="line.153"></a> |
| <FONT color="green">154</FONT> ***/<a name="line.154"></a> |
| <FONT color="green">155</FONT> else<a name="line.155"></a> |
| <FONT color="green">156</FONT> convertParams(argsIn, argsOut, bestParamTypes, exprContext);<a name="line.156"></a> |
| <FONT color="green">157</FONT> <a name="line.157"></a> |
| <FONT color="green">158</FONT> return bestConstructor;<a name="line.158"></a> |
| <FONT color="green">159</FONT> }<a name="line.159"></a> |
| <FONT color="green">160</FONT> <a name="line.160"></a> |
| <FONT color="green">161</FONT> <a name="line.161"></a> |
| <FONT color="green">162</FONT> /**<a name="line.162"></a> |
| <FONT color="green">163</FONT> * Given the name of a method, figure out the resolution of <a name="line.163"></a> |
| <FONT color="green">164</FONT> * the Java Method from the XSLT argument types, and perform the <a name="line.164"></a> |
| <FONT color="green">165</FONT> * conversion of the arguments.<a name="line.165"></a> |
| <FONT color="green">166</FONT> * @param classObj The Class of the object that should have the method.<a name="line.166"></a> |
| <FONT color="green">167</FONT> * @param name The name of the method to be invoked.<a name="line.167"></a> |
| <FONT color="green">168</FONT> * @param argsIn An array of XSLT/XPath arguments.<a name="line.168"></a> |
| <FONT color="green">169</FONT> * @param argsOut An array of the exact size as argsIn, which will be <a name="line.169"></a> |
| <FONT color="green">170</FONT> * populated with converted arguments if a suitable method is found.<a name="line.170"></a> |
| <FONT color="green">171</FONT> * @return A method that will work with the argsOut array.<a name="line.171"></a> |
| <FONT color="green">172</FONT> * @throws TransformerException may be thrown for Xalan conversion<a name="line.172"></a> |
| <FONT color="green">173</FONT> * exceptions.<a name="line.173"></a> |
| <FONT color="green">174</FONT> */<a name="line.174"></a> |
| <FONT color="green">175</FONT> public static Method getMethod(Class classObj,<a name="line.175"></a> |
| <FONT color="green">176</FONT> String name, <a name="line.176"></a> |
| <FONT color="green">177</FONT> Object[] argsIn, <a name="line.177"></a> |
| <FONT color="green">178</FONT> Object[][] argsOut,<a name="line.178"></a> |
| <FONT color="green">179</FONT> ExpressionContext exprContext,<a name="line.179"></a> |
| <FONT color="green">180</FONT> int searchMethod)<a name="line.180"></a> |
| <FONT color="green">181</FONT> throws NoSuchMethodException,<a name="line.181"></a> |
| <FONT color="green">182</FONT> SecurityException,<a name="line.182"></a> |
| <FONT color="green">183</FONT> TransformerException<a name="line.183"></a> |
| <FONT color="green">184</FONT> {<a name="line.184"></a> |
| <FONT color="green">185</FONT> // System.out.println("---> Looking for method: "+name);<a name="line.185"></a> |
| <FONT color="green">186</FONT> // System.out.println("---> classObj: "+classObj);<a name="line.186"></a> |
| <FONT color="green">187</FONT> if (name.indexOf("-")>0)<a name="line.187"></a> |
| <FONT color="green">188</FONT> name = replaceDash(name);<a name="line.188"></a> |
| <FONT color="green">189</FONT> Method bestMethod = null;<a name="line.189"></a> |
| <FONT color="green">190</FONT> Class[] bestParamTypes = null;<a name="line.190"></a> |
| <FONT color="green">191</FONT> Method[] methods = classObj.getMethods();<a name="line.191"></a> |
| <FONT color="green">192</FONT> int nMethods = methods.length;<a name="line.192"></a> |
| <FONT color="green">193</FONT> int bestScore = Integer.MAX_VALUE;<a name="line.193"></a> |
| <FONT color="green">194</FONT> int bestScoreCount = 0;<a name="line.194"></a> |
| <FONT color="green">195</FONT> boolean isStatic;<a name="line.195"></a> |
| <FONT color="green">196</FONT> for(int i = 0; i < nMethods; i++)<a name="line.196"></a> |
| <FONT color="green">197</FONT> {<a name="line.197"></a> |
| <FONT color="green">198</FONT> Method method = methods[i];<a name="line.198"></a> |
| <FONT color="green">199</FONT> // System.out.println("looking at method: "+method);<a name="line.199"></a> |
| <FONT color="green">200</FONT> int xsltParamStart = 0;<a name="line.200"></a> |
| <FONT color="green">201</FONT> if(method.getName().equals(name))<a name="line.201"></a> |
| <FONT color="green">202</FONT> {<a name="line.202"></a> |
| <FONT color="green">203</FONT> isStatic = Modifier.isStatic(method.getModifiers());<a name="line.203"></a> |
| <FONT color="green">204</FONT> switch(searchMethod)<a name="line.204"></a> |
| <FONT color="green">205</FONT> {<a name="line.205"></a> |
| <FONT color="green">206</FONT> case STATIC_ONLY:<a name="line.206"></a> |
| <FONT color="green">207</FONT> if (!isStatic)<a name="line.207"></a> |
| <FONT color="green">208</FONT> {<a name="line.208"></a> |
| <FONT color="green">209</FONT> continue;<a name="line.209"></a> |
| <FONT color="green">210</FONT> }<a name="line.210"></a> |
| <FONT color="green">211</FONT> break;<a name="line.211"></a> |
| <FONT color="green">212</FONT> <a name="line.212"></a> |
| <FONT color="green">213</FONT> case INSTANCE_ONLY:<a name="line.213"></a> |
| <FONT color="green">214</FONT> if (isStatic)<a name="line.214"></a> |
| <FONT color="green">215</FONT> {<a name="line.215"></a> |
| <FONT color="green">216</FONT> continue;<a name="line.216"></a> |
| <FONT color="green">217</FONT> }<a name="line.217"></a> |
| <FONT color="green">218</FONT> break;<a name="line.218"></a> |
| <FONT color="green">219</FONT> <a name="line.219"></a> |
| <FONT color="green">220</FONT> case STATIC_AND_INSTANCE:<a name="line.220"></a> |
| <FONT color="green">221</FONT> break;<a name="line.221"></a> |
| <FONT color="green">222</FONT> <a name="line.222"></a> |
| <FONT color="green">223</FONT> case DYNAMIC:<a name="line.223"></a> |
| <FONT color="green">224</FONT> if (!isStatic)<a name="line.224"></a> |
| <FONT color="green">225</FONT> xsltParamStart = 1;<a name="line.225"></a> |
| <FONT color="green">226</FONT> }<a name="line.226"></a> |
| <FONT color="green">227</FONT> int javaParamStart = 0;<a name="line.227"></a> |
| <FONT color="green">228</FONT> Class[] paramTypes = method.getParameterTypes();<a name="line.228"></a> |
| <FONT color="green">229</FONT> int numberMethodParams = paramTypes.length;<a name="line.229"></a> |
| <FONT color="green">230</FONT> boolean isFirstExpressionContext = false;<a name="line.230"></a> |
| <FONT color="green">231</FONT> int scoreStart;<a name="line.231"></a> |
| <FONT color="green">232</FONT> // System.out.println("numberMethodParams: "+numberMethodParams);<a name="line.232"></a> |
| <FONT color="green">233</FONT> // System.out.println("argsIn.length: "+argsIn.length);<a name="line.233"></a> |
| <FONT color="green">234</FONT> // System.out.println("exprContext: "+exprContext);<a name="line.234"></a> |
| <FONT color="green">235</FONT> int argsLen = (null != argsIn) ? argsIn.length : 0;<a name="line.235"></a> |
| <FONT color="green">236</FONT> if(numberMethodParams == (argsLen-xsltParamStart+1))<a name="line.236"></a> |
| <FONT color="green">237</FONT> {<a name="line.237"></a> |
| <FONT color="green">238</FONT> Class javaClass = paramTypes[0];<a name="line.238"></a> |
| <FONT color="green">239</FONT> if(ExpressionContext.class.isAssignableFrom(javaClass))<a name="line.239"></a> |
| <FONT color="green">240</FONT> {<a name="line.240"></a> |
| <FONT color="green">241</FONT> isFirstExpressionContext = true;<a name="line.241"></a> |
| <FONT color="green">242</FONT> scoreStart = 0;<a name="line.242"></a> |
| <FONT color="green">243</FONT> javaParamStart++;<a name="line.243"></a> |
| <FONT color="green">244</FONT> }<a name="line.244"></a> |
| <FONT color="green">245</FONT> else<a name="line.245"></a> |
| <FONT color="green">246</FONT> {<a name="line.246"></a> |
| <FONT color="green">247</FONT> continue;<a name="line.247"></a> |
| <FONT color="green">248</FONT> }<a name="line.248"></a> |
| <FONT color="green">249</FONT> }<a name="line.249"></a> |
| <FONT color="green">250</FONT> else<a name="line.250"></a> |
| <FONT color="green">251</FONT> scoreStart = 1000;<a name="line.251"></a> |
| <FONT color="green">252</FONT> <a name="line.252"></a> |
| <FONT color="green">253</FONT> if((argsLen - xsltParamStart) == (numberMethodParams - javaParamStart))<a name="line.253"></a> |
| <FONT color="green">254</FONT> {<a name="line.254"></a> |
| <FONT color="green">255</FONT> // then we have our candidate.<a name="line.255"></a> |
| <FONT color="green">256</FONT> int score = scoreMatch(paramTypes, javaParamStart, argsIn, scoreStart);<a name="line.256"></a> |
| <FONT color="green">257</FONT> // System.out.println("score: "+score);<a name="line.257"></a> |
| <FONT color="green">258</FONT> if(-1 == score)<a name="line.258"></a> |
| <FONT color="green">259</FONT> continue;<a name="line.259"></a> |
| <FONT color="green">260</FONT> if(score < bestScore)<a name="line.260"></a> |
| <FONT color="green">261</FONT> {<a name="line.261"></a> |
| <FONT color="green">262</FONT> // System.out.println("Assigning best method: "+method);<a name="line.262"></a> |
| <FONT color="green">263</FONT> bestMethod = method;<a name="line.263"></a> |
| <FONT color="green">264</FONT> bestParamTypes = paramTypes;<a name="line.264"></a> |
| <FONT color="green">265</FONT> bestScore = score;<a name="line.265"></a> |
| <FONT color="green">266</FONT> bestScoreCount = 1;<a name="line.266"></a> |
| <FONT color="green">267</FONT> }<a name="line.267"></a> |
| <FONT color="green">268</FONT> else if (score == bestScore)<a name="line.268"></a> |
| <FONT color="green">269</FONT> bestScoreCount++;<a name="line.269"></a> |
| <FONT color="green">270</FONT> }<a name="line.270"></a> |
| <FONT color="green">271</FONT> }<a name="line.271"></a> |
| <FONT color="green">272</FONT> }<a name="line.272"></a> |
| <FONT color="green">273</FONT> <a name="line.273"></a> |
| <FONT color="green">274</FONT> if (null == bestMethod)<a name="line.274"></a> |
| <FONT color="green">275</FONT> {<a name="line.275"></a> |
| <FONT color="green">276</FONT> throw new NoSuchMethodException(errString("function", "method", classObj,<a name="line.276"></a> |
| <FONT color="green">277</FONT> name, searchMethod, argsIn));<a name="line.277"></a> |
| <FONT color="green">278</FONT> }<a name="line.278"></a> |
| <FONT color="green">279</FONT> /*** This is commented out until we can do a better object -> object scoring <a name="line.279"></a> |
| <FONT color="green">280</FONT> else if (bestScoreCount > 1)<a name="line.280"></a> |
| <FONT color="green">281</FONT> throw new TransformerException(XSLMessages.createMessage(XSLTErrorResources.ER_MORE_MATCH_METHOD, new Object[]{name})); //"More than one best match for method " + name);<a name="line.281"></a> |
| <FONT color="green">282</FONT> ***/<a name="line.282"></a> |
| <FONT color="green">283</FONT> else<a name="line.283"></a> |
| <FONT color="green">284</FONT> convertParams(argsIn, argsOut, bestParamTypes, exprContext);<a name="line.284"></a> |
| <FONT color="green">285</FONT> <a name="line.285"></a> |
| <FONT color="green">286</FONT> return bestMethod;<a name="line.286"></a> |
| <FONT color="green">287</FONT> }<a name="line.287"></a> |
| <FONT color="green">288</FONT> <a name="line.288"></a> |
| <FONT color="green">289</FONT> /**<a name="line.289"></a> |
| <FONT color="green">290</FONT> * To support EXSLT extensions, convert names with dash to allowable Java names: <a name="line.290"></a> |
| <FONT color="green">291</FONT> * e.g., convert abc-xyz to abcXyz.<a name="line.291"></a> |
| <FONT color="green">292</FONT> * Note: dashes only appear in middle of an EXSLT function or element name.<a name="line.292"></a> |
| <FONT color="green">293</FONT> */<a name="line.293"></a> |
| <FONT color="green">294</FONT> private static String replaceDash(String name)<a name="line.294"></a> |
| <FONT color="green">295</FONT> {<a name="line.295"></a> |
| <FONT color="green">296</FONT> char dash = '-';<a name="line.296"></a> |
| <FONT color="green">297</FONT> StringBuffer buff = new StringBuffer("");<a name="line.297"></a> |
| <FONT color="green">298</FONT> for (int i=0; i<name.length(); i++)<a name="line.298"></a> |
| <FONT color="green">299</FONT> {<a name="line.299"></a> |
| <FONT color="green">300</FONT> if (name.charAt(i) == dash)<a name="line.300"></a> |
| <FONT color="green">301</FONT> {}<a name="line.301"></a> |
| <FONT color="green">302</FONT> else if (i > 0 && name.charAt(i-1) == dash)<a name="line.302"></a> |
| <FONT color="green">303</FONT> buff.append(Character.toUpperCase(name.charAt(i)));<a name="line.303"></a> |
| <FONT color="green">304</FONT> else<a name="line.304"></a> |
| <FONT color="green">305</FONT> buff.append(name.charAt(i));<a name="line.305"></a> |
| <FONT color="green">306</FONT> }<a name="line.306"></a> |
| <FONT color="green">307</FONT> return buff.toString();<a name="line.307"></a> |
| <FONT color="green">308</FONT> }<a name="line.308"></a> |
| <FONT color="green">309</FONT> <a name="line.309"></a> |
| <FONT color="green">310</FONT> /**<a name="line.310"></a> |
| <FONT color="green">311</FONT> * Given the name of a method, figure out the resolution of <a name="line.311"></a> |
| <FONT color="green">312</FONT> * the Java Method<a name="line.312"></a> |
| <FONT color="green">313</FONT> * @param classObj The Class of the object that should have the method.<a name="line.313"></a> |
| <FONT color="green">314</FONT> * @param name The name of the method to be invoked.<a name="line.314"></a> |
| <FONT color="green">315</FONT> * @return A method that will work to be called as an element.<a name="line.315"></a> |
| <FONT color="green">316</FONT> * @throws TransformerException may be thrown for Xalan conversion<a name="line.316"></a> |
| <FONT color="green">317</FONT> * exceptions.<a name="line.317"></a> |
| <FONT color="green">318</FONT> */<a name="line.318"></a> |
| <FONT color="green">319</FONT> public static Method getElementMethod(Class classObj,<a name="line.319"></a> |
| <FONT color="green">320</FONT> String name)<a name="line.320"></a> |
| <FONT color="green">321</FONT> throws NoSuchMethodException,<a name="line.321"></a> |
| <FONT color="green">322</FONT> SecurityException,<a name="line.322"></a> |
| <FONT color="green">323</FONT> TransformerException<a name="line.323"></a> |
| <FONT color="green">324</FONT> {<a name="line.324"></a> |
| <FONT color="green">325</FONT> // System.out.println("---> Looking for element method: "+name);<a name="line.325"></a> |
| <FONT color="green">326</FONT> // System.out.println("---> classObj: "+classObj);<a name="line.326"></a> |
| <FONT color="green">327</FONT> Method bestMethod = null;<a name="line.327"></a> |
| <FONT color="green">328</FONT> Method[] methods = classObj.getMethods();<a name="line.328"></a> |
| <FONT color="green">329</FONT> int nMethods = methods.length;<a name="line.329"></a> |
| <FONT color="green">330</FONT> int bestScoreCount = 0;<a name="line.330"></a> |
| <FONT color="green">331</FONT> for(int i = 0; i < nMethods; i++)<a name="line.331"></a> |
| <FONT color="green">332</FONT> {<a name="line.332"></a> |
| <FONT color="green">333</FONT> Method method = methods[i];<a name="line.333"></a> |
| <FONT color="green">334</FONT> // System.out.println("looking at method: "+method);<a name="line.334"></a> |
| <FONT color="green">335</FONT> if(method.getName().equals(name))<a name="line.335"></a> |
| <FONT color="green">336</FONT> {<a name="line.336"></a> |
| <FONT color="green">337</FONT> Class[] paramTypes = method.getParameterTypes();<a name="line.337"></a> |
| <FONT color="green">338</FONT> if ( (paramTypes.length == 2)<a name="line.338"></a> |
| <FONT color="green">339</FONT> && paramTypes[1].isAssignableFrom(org.apache.xalan.templates.ElemExtensionCall.class)<a name="line.339"></a> |
| <FONT color="green">340</FONT> && paramTypes[0].isAssignableFrom(org.apache.xalan.extensions.XSLProcessorContext.class) )<a name="line.340"></a> |
| <FONT color="green">341</FONT> {<a name="line.341"></a> |
| <FONT color="green">342</FONT> if ( ++bestScoreCount == 1 )<a name="line.342"></a> |
| <FONT color="green">343</FONT> bestMethod = method;<a name="line.343"></a> |
| <FONT color="green">344</FONT> else<a name="line.344"></a> |
| <FONT color="green">345</FONT> break;<a name="line.345"></a> |
| <FONT color="green">346</FONT> }<a name="line.346"></a> |
| <FONT color="green">347</FONT> }<a name="line.347"></a> |
| <FONT color="green">348</FONT> }<a name="line.348"></a> |
| <FONT color="green">349</FONT> <a name="line.349"></a> |
| <FONT color="green">350</FONT> if (null == bestMethod)<a name="line.350"></a> |
| <FONT color="green">351</FONT> {<a name="line.351"></a> |
| <FONT color="green">352</FONT> throw new NoSuchMethodException(errString("element", "method", classObj,<a name="line.352"></a> |
| <FONT color="green">353</FONT> name, 0, null));<a name="line.353"></a> |
| <FONT color="green">354</FONT> }<a name="line.354"></a> |
| <FONT color="green">355</FONT> else if (bestScoreCount > 1)<a name="line.355"></a> |
| <FONT color="green">356</FONT> throw new TransformerException(XSLMessages.createMessage(XSLTErrorResources.ER_MORE_MATCH_ELEMENT, new Object[]{name})); //"More than one best match for element method " + name);<a name="line.356"></a> |
| <FONT color="green">357</FONT> <a name="line.357"></a> |
| <FONT color="green">358</FONT> return bestMethod;<a name="line.358"></a> |
| <FONT color="green">359</FONT> }<a name="line.359"></a> |
| <FONT color="green">360</FONT> <a name="line.360"></a> |
| <FONT color="green">361</FONT> <a name="line.361"></a> |
| <FONT color="green">362</FONT> /**<a name="line.362"></a> |
| <FONT color="green">363</FONT> * Convert a set of parameters based on a set of paramTypes.<a name="line.363"></a> |
| <FONT color="green">364</FONT> * @param argsIn An array of XSLT/XPath arguments.<a name="line.364"></a> |
| <FONT color="green">365</FONT> * @param argsOut An array of the exact size as argsIn, which will be <a name="line.365"></a> |
| <FONT color="green">366</FONT> * populated with converted arguments.<a name="line.366"></a> |
| <FONT color="green">367</FONT> * @param paramTypes An array of class objects, of the exact same <a name="line.367"></a> |
| <FONT color="green">368</FONT> * size as argsIn and argsOut.<a name="line.368"></a> |
| <FONT color="green">369</FONT> * @throws TransformerException may be thrown for Xalan conversion<a name="line.369"></a> |
| <FONT color="green">370</FONT> * exceptions.<a name="line.370"></a> |
| <FONT color="green">371</FONT> */<a name="line.371"></a> |
| <FONT color="green">372</FONT> public static void convertParams(Object[] argsIn, <a name="line.372"></a> |
| <FONT color="green">373</FONT> Object[][] argsOut, Class[] paramTypes,<a name="line.373"></a> |
| <FONT color="green">374</FONT> ExpressionContext exprContext)<a name="line.374"></a> |
| <FONT color="green">375</FONT> throws javax.xml.transform.TransformerException<a name="line.375"></a> |
| <FONT color="green">376</FONT> {<a name="line.376"></a> |
| <FONT color="green">377</FONT> // System.out.println("In convertParams");<a name="line.377"></a> |
| <FONT color="green">378</FONT> if (paramTypes == null)<a name="line.378"></a> |
| <FONT color="green">379</FONT> argsOut[0] = null;<a name="line.379"></a> |
| <FONT color="green">380</FONT> else<a name="line.380"></a> |
| <FONT color="green">381</FONT> {<a name="line.381"></a> |
| <FONT color="green">382</FONT> int nParams = paramTypes.length;<a name="line.382"></a> |
| <FONT color="green">383</FONT> argsOut[0] = new Object[nParams];<a name="line.383"></a> |
| <FONT color="green">384</FONT> int paramIndex = 0;<a name="line.384"></a> |
| <FONT color="green">385</FONT> if((nParams > 0) <a name="line.385"></a> |
| <FONT color="green">386</FONT> && ExpressionContext.class.isAssignableFrom(paramTypes[0]))<a name="line.386"></a> |
| <FONT color="green">387</FONT> {<a name="line.387"></a> |
| <FONT color="green">388</FONT> argsOut[0][0] = exprContext;<a name="line.388"></a> |
| <FONT color="green">389</FONT> // System.out.println("Incrementing paramIndex in convertParams: "+paramIndex);<a name="line.389"></a> |
| <FONT color="green">390</FONT> paramIndex++;<a name="line.390"></a> |
| <FONT color="green">391</FONT> }<a name="line.391"></a> |
| <FONT color="green">392</FONT> <a name="line.392"></a> |
| <FONT color="green">393</FONT> if (argsIn != null)<a name="line.393"></a> |
| <FONT color="green">394</FONT> {<a name="line.394"></a> |
| <FONT color="green">395</FONT> for(int i = argsIn.length - nParams + paramIndex ; paramIndex < nParams; i++, paramIndex++)<a name="line.395"></a> |
| <FONT color="green">396</FONT> {<a name="line.396"></a> |
| <FONT color="green">397</FONT> // System.out.println("paramTypes[i]: "+paramTypes[i]);<a name="line.397"></a> |
| <FONT color="green">398</FONT> argsOut[0][paramIndex] = convert(argsIn[i], paramTypes[paramIndex]);<a name="line.398"></a> |
| <FONT color="green">399</FONT> }<a name="line.399"></a> |
| <FONT color="green">400</FONT> }<a name="line.400"></a> |
| <FONT color="green">401</FONT> }<a name="line.401"></a> |
| <FONT color="green">402</FONT> }<a name="line.402"></a> |
| <FONT color="green">403</FONT> <a name="line.403"></a> |
| <FONT color="green">404</FONT> /**<a name="line.404"></a> |
| <FONT color="green">405</FONT> * Simple class to hold information about allowed conversions <a name="line.405"></a> |
| <FONT color="green">406</FONT> * and their relative scores, for use by the table below.<a name="line.406"></a> |
| <FONT color="green">407</FONT> */<a name="line.407"></a> |
| <FONT color="green">408</FONT> static class ConversionInfo<a name="line.408"></a> |
| <FONT color="green">409</FONT> {<a name="line.409"></a> |
| <FONT color="green">410</FONT> ConversionInfo(Class cl, int score)<a name="line.410"></a> |
| <FONT color="green">411</FONT> {<a name="line.411"></a> |
| <FONT color="green">412</FONT> m_class = cl;<a name="line.412"></a> |
| <FONT color="green">413</FONT> m_score = score;<a name="line.413"></a> |
| <FONT color="green">414</FONT> }<a name="line.414"></a> |
| <FONT color="green">415</FONT> <a name="line.415"></a> |
| <FONT color="green">416</FONT> Class m_class; // Java class to convert to.<a name="line.416"></a> |
| <FONT color="green">417</FONT> int m_score; // Match score, closer to zero is more matched.<a name="line.417"></a> |
| <FONT color="green">418</FONT> }<a name="line.418"></a> |
| <FONT color="green">419</FONT> <a name="line.419"></a> |
| <FONT color="green">420</FONT> private static final int SCOREBASE=1;<a name="line.420"></a> |
| <FONT color="green">421</FONT> <a name="line.421"></a> |
| <FONT color="green">422</FONT> /**<a name="line.422"></a> |
| <FONT color="green">423</FONT> * Specification of conversions from XSLT type CLASS_UNKNOWN<a name="line.423"></a> |
| <FONT color="green">424</FONT> * (i.e. some unknown Java object) to allowed Java types.<a name="line.424"></a> |
| <FONT color="green">425</FONT> */<a name="line.425"></a> |
| <FONT color="green">426</FONT> private final static ConversionInfo[] m_javaObjConversions = {<a name="line.426"></a> |
| <FONT color="green">427</FONT> new ConversionInfo(Double.TYPE, 11),<a name="line.427"></a> |
| <FONT color="green">428</FONT> new ConversionInfo(Float.TYPE, 12),<a name="line.428"></a> |
| <FONT color="green">429</FONT> new ConversionInfo(Long.TYPE, 13),<a name="line.429"></a> |
| <FONT color="green">430</FONT> new ConversionInfo(Integer.TYPE, 14),<a name="line.430"></a> |
| <FONT color="green">431</FONT> new ConversionInfo(Short.TYPE, 15),<a name="line.431"></a> |
| <FONT color="green">432</FONT> new ConversionInfo(Character.TYPE, 16),<a name="line.432"></a> |
| <FONT color="green">433</FONT> new ConversionInfo(Byte.TYPE, 17),<a name="line.433"></a> |
| <FONT color="green">434</FONT> new ConversionInfo(java.lang.String.class, 18)<a name="line.434"></a> |
| <FONT color="green">435</FONT> };<a name="line.435"></a> |
| <FONT color="green">436</FONT> <a name="line.436"></a> |
| <FONT color="green">437</FONT> /**<a name="line.437"></a> |
| <FONT color="green">438</FONT> * Specification of conversions from XSLT type CLASS_BOOLEAN<a name="line.438"></a> |
| <FONT color="green">439</FONT> * to allowed Java types.<a name="line.439"></a> |
| <FONT color="green">440</FONT> */<a name="line.440"></a> |
| <FONT color="green">441</FONT> private final static ConversionInfo[] m_booleanConversions = {<a name="line.441"></a> |
| <FONT color="green">442</FONT> new ConversionInfo(Boolean.TYPE, 0),<a name="line.442"></a> |
| <FONT color="green">443</FONT> new ConversionInfo(java.lang.Boolean.class, 1),<a name="line.443"></a> |
| <FONT color="green">444</FONT> new ConversionInfo(java.lang.Object.class, 2),<a name="line.444"></a> |
| <FONT color="green">445</FONT> new ConversionInfo(java.lang.String.class, 3)<a name="line.445"></a> |
| <FONT color="green">446</FONT> };<a name="line.446"></a> |
| <FONT color="green">447</FONT> <a name="line.447"></a> |
| <FONT color="green">448</FONT> /**<a name="line.448"></a> |
| <FONT color="green">449</FONT> * Specification of conversions from XSLT type CLASS_NUMBER<a name="line.449"></a> |
| <FONT color="green">450</FONT> * to allowed Java types.<a name="line.450"></a> |
| <FONT color="green">451</FONT> */<a name="line.451"></a> |
| <FONT color="green">452</FONT> private final static ConversionInfo[] m_numberConversions = {<a name="line.452"></a> |
| <FONT color="green">453</FONT> new ConversionInfo(Double.TYPE, 0),<a name="line.453"></a> |
| <FONT color="green">454</FONT> new ConversionInfo(java.lang.Double.class, 1),<a name="line.454"></a> |
| <FONT color="green">455</FONT> new ConversionInfo(Float.TYPE, 3),<a name="line.455"></a> |
| <FONT color="green">456</FONT> new ConversionInfo(Long.TYPE, 4),<a name="line.456"></a> |
| <FONT color="green">457</FONT> new ConversionInfo(Integer.TYPE, 5),<a name="line.457"></a> |
| <FONT color="green">458</FONT> new ConversionInfo(Short.TYPE, 6),<a name="line.458"></a> |
| <FONT color="green">459</FONT> new ConversionInfo(Character.TYPE, 7),<a name="line.459"></a> |
| <FONT color="green">460</FONT> new ConversionInfo(Byte.TYPE, 8),<a name="line.460"></a> |
| <FONT color="green">461</FONT> new ConversionInfo(Boolean.TYPE, 9),<a name="line.461"></a> |
| <FONT color="green">462</FONT> new ConversionInfo(java.lang.String.class, 10),<a name="line.462"></a> |
| <FONT color="green">463</FONT> new ConversionInfo(java.lang.Object.class, 11)<a name="line.463"></a> |
| <FONT color="green">464</FONT> };<a name="line.464"></a> |
| <FONT color="green">465</FONT> <a name="line.465"></a> |
| <FONT color="green">466</FONT> /**<a name="line.466"></a> |
| <FONT color="green">467</FONT> * Specification of conversions from XSLT type CLASS_STRING<a name="line.467"></a> |
| <FONT color="green">468</FONT> * to allowed Java types.<a name="line.468"></a> |
| <FONT color="green">469</FONT> */<a name="line.469"></a> |
| <FONT color="green">470</FONT> private final static ConversionInfo[] m_stringConversions = {<a name="line.470"></a> |
| <FONT color="green">471</FONT> new ConversionInfo(java.lang.String.class, 0),<a name="line.471"></a> |
| <FONT color="green">472</FONT> new ConversionInfo(java.lang.Object.class, 1),<a name="line.472"></a> |
| <FONT color="green">473</FONT> new ConversionInfo(Character.TYPE, 2),<a name="line.473"></a> |
| <FONT color="green">474</FONT> new ConversionInfo(Double.TYPE, 3),<a name="line.474"></a> |
| <FONT color="green">475</FONT> new ConversionInfo(Float.TYPE, 3),<a name="line.475"></a> |
| <FONT color="green">476</FONT> new ConversionInfo(Long.TYPE, 3),<a name="line.476"></a> |
| <FONT color="green">477</FONT> new ConversionInfo(Integer.TYPE, 3),<a name="line.477"></a> |
| <FONT color="green">478</FONT> new ConversionInfo(Short.TYPE, 3),<a name="line.478"></a> |
| <FONT color="green">479</FONT> new ConversionInfo(Byte.TYPE, 3),<a name="line.479"></a> |
| <FONT color="green">480</FONT> new ConversionInfo(Boolean.TYPE, 4)<a name="line.480"></a> |
| <FONT color="green">481</FONT> };<a name="line.481"></a> |
| <FONT color="green">482</FONT> <a name="line.482"></a> |
| <FONT color="green">483</FONT> /**<a name="line.483"></a> |
| <FONT color="green">484</FONT> * Specification of conversions from XSLT type CLASS_RTREEFRAG<a name="line.484"></a> |
| <FONT color="green">485</FONT> * to allowed Java types.<a name="line.485"></a> |
| <FONT color="green">486</FONT> */<a name="line.486"></a> |
| <FONT color="green">487</FONT> private final static ConversionInfo[] m_rtfConversions = {<a name="line.487"></a> |
| <FONT color="green">488</FONT> new ConversionInfo(org.w3c.dom.traversal.NodeIterator.class, 0),<a name="line.488"></a> |
| <FONT color="green">489</FONT> new ConversionInfo(org.w3c.dom.NodeList.class, 1),<a name="line.489"></a> |
| <FONT color="green">490</FONT> new ConversionInfo(org.w3c.dom.Node.class, 2),<a name="line.490"></a> |
| <FONT color="green">491</FONT> new ConversionInfo(java.lang.String.class, 3),<a name="line.491"></a> |
| <FONT color="green">492</FONT> new ConversionInfo(java.lang.Object.class, 5),<a name="line.492"></a> |
| <FONT color="green">493</FONT> new ConversionInfo(Character.TYPE, 6),<a name="line.493"></a> |
| <FONT color="green">494</FONT> new ConversionInfo(Double.TYPE, 7),<a name="line.494"></a> |
| <FONT color="green">495</FONT> new ConversionInfo(Float.TYPE, 7),<a name="line.495"></a> |
| <FONT color="green">496</FONT> new ConversionInfo(Long.TYPE, 7),<a name="line.496"></a> |
| <FONT color="green">497</FONT> new ConversionInfo(Integer.TYPE, 7),<a name="line.497"></a> |
| <FONT color="green">498</FONT> new ConversionInfo(Short.TYPE, 7),<a name="line.498"></a> |
| <FONT color="green">499</FONT> new ConversionInfo(Byte.TYPE, 7),<a name="line.499"></a> |
| <FONT color="green">500</FONT> new ConversionInfo(Boolean.TYPE, 8)<a name="line.500"></a> |
| <FONT color="green">501</FONT> };<a name="line.501"></a> |
| <FONT color="green">502</FONT> <a name="line.502"></a> |
| <FONT color="green">503</FONT> /**<a name="line.503"></a> |
| <FONT color="green">504</FONT> * Specification of conversions from XSLT type CLASS_NODESET<a name="line.504"></a> |
| <FONT color="green">505</FONT> * to allowed Java types. (This is the same as for CLASS_RTREEFRAG)<a name="line.505"></a> |
| <FONT color="green">506</FONT> */<a name="line.506"></a> |
| <FONT color="green">507</FONT> private final static ConversionInfo[] m_nodesetConversions = {<a name="line.507"></a> |
| <FONT color="green">508</FONT> new ConversionInfo(org.w3c.dom.traversal.NodeIterator.class, 0),<a name="line.508"></a> |
| <FONT color="green">509</FONT> new ConversionInfo(org.w3c.dom.NodeList.class, 1),<a name="line.509"></a> |
| <FONT color="green">510</FONT> new ConversionInfo(org.w3c.dom.Node.class, 2),<a name="line.510"></a> |
| <FONT color="green">511</FONT> new ConversionInfo(java.lang.String.class, 3),<a name="line.511"></a> |
| <FONT color="green">512</FONT> new ConversionInfo(java.lang.Object.class, 5),<a name="line.512"></a> |
| <FONT color="green">513</FONT> new ConversionInfo(Character.TYPE, 6),<a name="line.513"></a> |
| <FONT color="green">514</FONT> new ConversionInfo(Double.TYPE, 7),<a name="line.514"></a> |
| <FONT color="green">515</FONT> new ConversionInfo(Float.TYPE, 7),<a name="line.515"></a> |
| <FONT color="green">516</FONT> new ConversionInfo(Long.TYPE, 7),<a name="line.516"></a> |
| <FONT color="green">517</FONT> new ConversionInfo(Integer.TYPE, 7),<a name="line.517"></a> |
| <FONT color="green">518</FONT> new ConversionInfo(Short.TYPE, 7),<a name="line.518"></a> |
| <FONT color="green">519</FONT> new ConversionInfo(Byte.TYPE, 7),<a name="line.519"></a> |
| <FONT color="green">520</FONT> new ConversionInfo(Boolean.TYPE, 8)<a name="line.520"></a> |
| <FONT color="green">521</FONT> };<a name="line.521"></a> |
| <FONT color="green">522</FONT> <a name="line.522"></a> |
| <FONT color="green">523</FONT> /**<a name="line.523"></a> |
| <FONT color="green">524</FONT> * Order is significant in the list below, based on <a name="line.524"></a> |
| <FONT color="green">525</FONT> * XObject.CLASS_XXX values.<a name="line.525"></a> |
| <FONT color="green">526</FONT> */<a name="line.526"></a> |
| <FONT color="green">527</FONT> private final static ConversionInfo[][] m_conversions = <a name="line.527"></a> |
| <FONT color="green">528</FONT> {<a name="line.528"></a> |
| <FONT color="green">529</FONT> m_javaObjConversions, // CLASS_UNKNOWN = 0;<a name="line.529"></a> |
| <FONT color="green">530</FONT> m_booleanConversions, // CLASS_BOOLEAN = 1;<a name="line.530"></a> |
| <FONT color="green">531</FONT> m_numberConversions, // CLASS_NUMBER = 2;<a name="line.531"></a> |
| <FONT color="green">532</FONT> m_stringConversions, // CLASS_STRING = 3;<a name="line.532"></a> |
| <FONT color="green">533</FONT> m_nodesetConversions, // CLASS_NODESET = 4;<a name="line.533"></a> |
| <FONT color="green">534</FONT> m_rtfConversions // CLASS_RTREEFRAG = 5;<a name="line.534"></a> |
| <FONT color="green">535</FONT> };<a name="line.535"></a> |
| <FONT color="green">536</FONT> <a name="line.536"></a> |
| <FONT color="green">537</FONT> /**<a name="line.537"></a> |
| <FONT color="green">538</FONT> * Score the conversion of a set of XSLT arguments to a <a name="line.538"></a> |
| <FONT color="green">539</FONT> * given set of Java parameters.<a name="line.539"></a> |
| <FONT color="green">540</FONT> * If any invocations of this function for a method with <a name="line.540"></a> |
| <FONT color="green">541</FONT> * the same name return the same positive value, then a conflict <a name="line.541"></a> |
| <FONT color="green">542</FONT> * has occured, and an error should be signaled.<a name="line.542"></a> |
| <FONT color="green">543</FONT> * @param javaParamTypes Must be filled with valid class names, and <a name="line.543"></a> |
| <FONT color="green">544</FONT> * of the same length as xsltArgs.<a name="line.544"></a> |
| <FONT color="green">545</FONT> * @param xsltArgs Must be filled with valid object instances, and <a name="line.545"></a> |
| <FONT color="green">546</FONT> * of the same length as javeParamTypes.<a name="line.546"></a> |
| <FONT color="green">547</FONT> * @return -1 for no allowed conversion, or a positive score <a name="line.547"></a> |
| <FONT color="green">548</FONT> * that is closer to zero for more preferred, or further from <a name="line.548"></a> |
| <FONT color="green">549</FONT> * zero for less preferred.<a name="line.549"></a> |
| <FONT color="green">550</FONT> */<a name="line.550"></a> |
| <FONT color="green">551</FONT> public static int scoreMatch(Class[] javaParamTypes, int javaParamsStart,<a name="line.551"></a> |
| <FONT color="green">552</FONT> Object[] xsltArgs, int score)<a name="line.552"></a> |
| <FONT color="green">553</FONT> {<a name="line.553"></a> |
| <FONT color="green">554</FONT> if ((xsltArgs == null) || (javaParamTypes == null))<a name="line.554"></a> |
| <FONT color="green">555</FONT> return score;<a name="line.555"></a> |
| <FONT color="green">556</FONT> int nParams = xsltArgs.length;<a name="line.556"></a> |
| <FONT color="green">557</FONT> for(int i = nParams - javaParamTypes.length + javaParamsStart, javaParamTypesIndex = javaParamsStart; <a name="line.557"></a> |
| <FONT color="green">558</FONT> i < nParams; <a name="line.558"></a> |
| <FONT color="green">559</FONT> i++, javaParamTypesIndex++)<a name="line.559"></a> |
| <FONT color="green">560</FONT> {<a name="line.560"></a> |
| <FONT color="green">561</FONT> Object xsltObj = xsltArgs[i];<a name="line.561"></a> |
| <FONT color="green">562</FONT> int xsltClassType = (xsltObj instanceof XObject) <a name="line.562"></a> |
| <FONT color="green">563</FONT> ? ((XObject)xsltObj).getType() <a name="line.563"></a> |
| <FONT color="green">564</FONT> : XObject.CLASS_UNKNOWN;<a name="line.564"></a> |
| <FONT color="green">565</FONT> Class javaClass = javaParamTypes[javaParamTypesIndex];<a name="line.565"></a> |
| <FONT color="green">566</FONT> <a name="line.566"></a> |
| <FONT color="green">567</FONT> // System.out.println("Checking xslt: "+xsltObj.getClass().getName()+<a name="line.567"></a> |
| <FONT color="green">568</FONT> // " against java: "+javaClass.getName());<a name="line.568"></a> |
| <FONT color="green">569</FONT> <a name="line.569"></a> |
| <FONT color="green">570</FONT> if(xsltClassType == XObject.CLASS_NULL)<a name="line.570"></a> |
| <FONT color="green">571</FONT> {<a name="line.571"></a> |
| <FONT color="green">572</FONT> // In Xalan I have objects of CLASS_NULL, though I'm not <a name="line.572"></a> |
| <FONT color="green">573</FONT> // sure they're used any more. For now, do something funky.<a name="line.573"></a> |
| <FONT color="green">574</FONT> if(!javaClass.isPrimitive())<a name="line.574"></a> |
| <FONT color="green">575</FONT> {<a name="line.575"></a> |
| <FONT color="green">576</FONT> // Then assume that a null can be used, but give it a low score.<a name="line.576"></a> |
| <FONT color="green">577</FONT> score += 10;<a name="line.577"></a> |
| <FONT color="green">578</FONT> continue;<a name="line.578"></a> |
| <FONT color="green">579</FONT> }<a name="line.579"></a> |
| <FONT color="green">580</FONT> else<a name="line.580"></a> |
| <FONT color="green">581</FONT> return -1; // no match.<a name="line.581"></a> |
| <FONT color="green">582</FONT> }<a name="line.582"></a> |
| <FONT color="green">583</FONT> <a name="line.583"></a> |
| <FONT color="green">584</FONT> ConversionInfo[] convInfo = m_conversions[xsltClassType];<a name="line.584"></a> |
| <FONT color="green">585</FONT> int nConversions = convInfo.length;<a name="line.585"></a> |
| <FONT color="green">586</FONT> int k;<a name="line.586"></a> |
| <FONT color="green">587</FONT> for(k = 0; k < nConversions; k++)<a name="line.587"></a> |
| <FONT color="green">588</FONT> {<a name="line.588"></a> |
| <FONT color="green">589</FONT> ConversionInfo cinfo = convInfo[k];<a name="line.589"></a> |
| <FONT color="green">590</FONT> if(javaClass.isAssignableFrom(cinfo.m_class))<a name="line.590"></a> |
| <FONT color="green">591</FONT> {<a name="line.591"></a> |
| <FONT color="green">592</FONT> score += cinfo.m_score;<a name="line.592"></a> |
| <FONT color="green">593</FONT> break; // from k loop<a name="line.593"></a> |
| <FONT color="green">594</FONT> }<a name="line.594"></a> |
| <FONT color="green">595</FONT> }<a name="line.595"></a> |
| <FONT color="green">596</FONT> <a name="line.596"></a> |
| <FONT color="green">597</FONT> if (k == nConversions)<a name="line.597"></a> |
| <FONT color="green">598</FONT> {<a name="line.598"></a> |
| <FONT color="green">599</FONT> // If we get here, we haven't made a match on this parameter using <a name="line.599"></a> |
| <FONT color="green">600</FONT> // the ConversionInfo array. We now try to handle the object -> object<a name="line.600"></a> |
| <FONT color="green">601</FONT> // mapping which we can't handle through the array mechanism. To do this,<a name="line.601"></a> |
| <FONT color="green">602</FONT> // we must determine the class of the argument passed from the stylesheet.<a name="line.602"></a> |
| <FONT color="green">603</FONT> <a name="line.603"></a> |
| <FONT color="green">604</FONT> // If we were passed a subclass of XObject, representing one of the actual<a name="line.604"></a> |
| <FONT color="green">605</FONT> // XSLT types, and we are here, we reject this extension method as a candidate<a name="line.605"></a> |
| <FONT color="green">606</FONT> // because a match should have been made using the ConversionInfo array. If we <a name="line.606"></a> |
| <FONT color="green">607</FONT> // were passed an XObject that encapsulates a non-XSLT type or we<a name="line.607"></a> |
| <FONT color="green">608</FONT> // were passed a non-XSLT type directly, we continue.<a name="line.608"></a> |
| <FONT color="green">609</FONT> <a name="line.609"></a> |
| <FONT color="green">610</FONT> // The current implementation (contributed by Kelly Campbell <camk@channelpoint.com>)<a name="line.610"></a> |
| <FONT color="green">611</FONT> // checks to see if we were passed an XObject from the XSLT stylesheet. If not,<a name="line.611"></a> |
| <FONT color="green">612</FONT> // we use the class of the object that was passed and make sure that it will<a name="line.612"></a> |
| <FONT color="green">613</FONT> // map to the class type of the parameter in the extension function.<a name="line.613"></a> |
| <FONT color="green">614</FONT> // If we were passed an XObject, we attempt to get the class of the actual<a name="line.614"></a> |
| <FONT color="green">615</FONT> // object encapsulated inside the XObject. If the encapsulated object is null,<a name="line.615"></a> |
| <FONT color="green">616</FONT> // we judge this method as a match but give it a low score. <a name="line.616"></a> |
| <FONT color="green">617</FONT> // If the encapsulated object is not null, we use its type to determine<a name="line.617"></a> |
| <FONT color="green">618</FONT> // whether this java method is a valid match for this extension function call.<a name="line.618"></a> |
| <FONT color="green">619</FONT> // This approach eliminates the NullPointerException in the earlier implementation<a name="line.619"></a> |
| <FONT color="green">620</FONT> // that resulted from passing an XObject encapsulating the null java object.<a name="line.620"></a> |
| <FONT color="green">621</FONT> <a name="line.621"></a> |
| <FONT color="green">622</FONT> // TODO: This needs to be improved to assign relative scores to subclasses,<a name="line.622"></a> |
| <FONT color="green">623</FONT> // etc. <a name="line.623"></a> |
| <FONT color="green">624</FONT> <a name="line.624"></a> |
| <FONT color="green">625</FONT> if (XObject.CLASS_UNKNOWN == xsltClassType)<a name="line.625"></a> |
| <FONT color="green">626</FONT> {<a name="line.626"></a> |
| <FONT color="green">627</FONT> Class realClass = null;<a name="line.627"></a> |
| <FONT color="green">628</FONT> <a name="line.628"></a> |
| <FONT color="green">629</FONT> if (xsltObj instanceof XObject)<a name="line.629"></a> |
| <FONT color="green">630</FONT> {<a name="line.630"></a> |
| <FONT color="green">631</FONT> Object realObj = ((XObject) xsltObj).object();<a name="line.631"></a> |
| <FONT color="green">632</FONT> if (null != realObj)<a name="line.632"></a> |
| <FONT color="green">633</FONT> {<a name="line.633"></a> |
| <FONT color="green">634</FONT> realClass = realObj.getClass();<a name="line.634"></a> |
| <FONT color="green">635</FONT> }<a name="line.635"></a> |
| <FONT color="green">636</FONT> else<a name="line.636"></a> |
| <FONT color="green">637</FONT> {<a name="line.637"></a> |
| <FONT color="green">638</FONT> // do the same as if we were passed XObject.CLASS_NULL<a name="line.638"></a> |
| <FONT color="green">639</FONT> score += 10;<a name="line.639"></a> |
| <FONT color="green">640</FONT> continue;<a name="line.640"></a> |
| <FONT color="green">641</FONT> }<a name="line.641"></a> |
| <FONT color="green">642</FONT> }<a name="line.642"></a> |
| <FONT color="green">643</FONT> else<a name="line.643"></a> |
| <FONT color="green">644</FONT> {<a name="line.644"></a> |
| <FONT color="green">645</FONT> realClass = xsltObj.getClass();<a name="line.645"></a> |
| <FONT color="green">646</FONT> }<a name="line.646"></a> |
| <FONT color="green">647</FONT> <a name="line.647"></a> |
| <FONT color="green">648</FONT> if (javaClass.isAssignableFrom(realClass))<a name="line.648"></a> |
| <FONT color="green">649</FONT> {<a name="line.649"></a> |
| <FONT color="green">650</FONT> score += 0; // TODO: To be assigned based on subclass "distance"<a name="line.650"></a> |
| <FONT color="green">651</FONT> }<a name="line.651"></a> |
| <FONT color="green">652</FONT> else<a name="line.652"></a> |
| <FONT color="green">653</FONT> return -1;<a name="line.653"></a> |
| <FONT color="green">654</FONT> }<a name="line.654"></a> |
| <FONT color="green">655</FONT> else<a name="line.655"></a> |
| <FONT color="green">656</FONT> return -1;<a name="line.656"></a> |
| <FONT color="green">657</FONT> }<a name="line.657"></a> |
| <FONT color="green">658</FONT> }<a name="line.658"></a> |
| <FONT color="green">659</FONT> return score;<a name="line.659"></a> |
| <FONT color="green">660</FONT> }<a name="line.660"></a> |
| <FONT color="green">661</FONT> <a name="line.661"></a> |
| <FONT color="green">662</FONT> /**<a name="line.662"></a> |
| <FONT color="green">663</FONT> * Convert the given XSLT object to an object of <a name="line.663"></a> |
| <FONT color="green">664</FONT> * the given class.<a name="line.664"></a> |
| <FONT color="green">665</FONT> * @param xsltObj The XSLT object that needs conversion.<a name="line.665"></a> |
| <FONT color="green">666</FONT> * @param javaClass The type of object to convert to.<a name="line.666"></a> |
| <FONT color="green">667</FONT> * @returns An object suitable for passing to the Method.invoke <a name="line.667"></a> |
| <FONT color="green">668</FONT> * function in the args array, which may be null in some cases.<a name="line.668"></a> |
| <FONT color="green">669</FONT> * @throws TransformerException may be thrown for Xalan conversion<a name="line.669"></a> |
| <FONT color="green">670</FONT> * exceptions.<a name="line.670"></a> |
| <FONT color="green">671</FONT> */<a name="line.671"></a> |
| <FONT color="green">672</FONT> static Object convert(Object xsltObj, Class javaClass)<a name="line.672"></a> |
| <FONT color="green">673</FONT> throws javax.xml.transform.TransformerException<a name="line.673"></a> |
| <FONT color="green">674</FONT> {<a name="line.674"></a> |
| <FONT color="green">675</FONT> if(xsltObj instanceof XObject)<a name="line.675"></a> |
| <FONT color="green">676</FONT> {<a name="line.676"></a> |
| <FONT color="green">677</FONT> XObject xobj = ((XObject)xsltObj);<a name="line.677"></a> |
| <FONT color="green">678</FONT> int xsltClassType = xobj.getType();<a name="line.678"></a> |
| <FONT color="green">679</FONT> <a name="line.679"></a> |
| <FONT color="green">680</FONT> switch(xsltClassType)<a name="line.680"></a> |
| <FONT color="green">681</FONT> {<a name="line.681"></a> |
| <FONT color="green">682</FONT> case XObject.CLASS_NULL:<a name="line.682"></a> |
| <FONT color="green">683</FONT> return null;<a name="line.683"></a> |
| <FONT color="green">684</FONT> <a name="line.684"></a> |
| <FONT color="green">685</FONT> case XObject.CLASS_BOOLEAN:<a name="line.685"></a> |
| <FONT color="green">686</FONT> {<a name="line.686"></a> |
| <FONT color="green">687</FONT> if(javaClass == java.lang.String.class)<a name="line.687"></a> |
| <FONT color="green">688</FONT> return xobj.str();<a name="line.688"></a> |
| <FONT color="green">689</FONT> else<a name="line.689"></a> |
| <FONT color="green">690</FONT> return xobj.bool() ? Boolean.TRUE : Boolean.FALSE;<a name="line.690"></a> |
| <FONT color="green">691</FONT> }<a name="line.691"></a> |
| <FONT color="green">692</FONT> // break; Unreachable<a name="line.692"></a> |
| <FONT color="green">693</FONT> case XObject.CLASS_NUMBER:<a name="line.693"></a> |
| <FONT color="green">694</FONT> {<a name="line.694"></a> |
| <FONT color="green">695</FONT> if(javaClass == java.lang.String.class)<a name="line.695"></a> |
| <FONT color="green">696</FONT> return xobj.str();<a name="line.696"></a> |
| <FONT color="green">697</FONT> else if(javaClass == Boolean.TYPE)<a name="line.697"></a> |
| <FONT color="green">698</FONT> return xobj.bool() ? Boolean.TRUE : Boolean.FALSE;<a name="line.698"></a> |
| <FONT color="green">699</FONT> else <a name="line.699"></a> |
| <FONT color="green">700</FONT> {<a name="line.700"></a> |
| <FONT color="green">701</FONT> return convertDoubleToNumber(xobj.num(), javaClass);<a name="line.701"></a> |
| <FONT color="green">702</FONT> }<a name="line.702"></a> |
| <FONT color="green">703</FONT> }<a name="line.703"></a> |
| <FONT color="green">704</FONT> // break; Unreachable<a name="line.704"></a> |
| <FONT color="green">705</FONT> <a name="line.705"></a> |
| <FONT color="green">706</FONT> case XObject.CLASS_STRING:<a name="line.706"></a> |
| <FONT color="green">707</FONT> {<a name="line.707"></a> |
| <FONT color="green">708</FONT> if((javaClass == java.lang.String.class) ||<a name="line.708"></a> |
| <FONT color="green">709</FONT> (javaClass == java.lang.Object.class))<a name="line.709"></a> |
| <FONT color="green">710</FONT> return xobj.str();<a name="line.710"></a> |
| <FONT color="green">711</FONT> else if(javaClass == Character.TYPE)<a name="line.711"></a> |
| <FONT color="green">712</FONT> {<a name="line.712"></a> |
| <FONT color="green">713</FONT> String str = xobj.str();<a name="line.713"></a> |
| <FONT color="green">714</FONT> if(str.length() > 0)<a name="line.714"></a> |
| <FONT color="green">715</FONT> return new Character(str.charAt(0));<a name="line.715"></a> |
| <FONT color="green">716</FONT> else<a name="line.716"></a> |
| <FONT color="green">717</FONT> return null; // ??<a name="line.717"></a> |
| <FONT color="green">718</FONT> }<a name="line.718"></a> |
| <FONT color="green">719</FONT> else if(javaClass == Boolean.TYPE)<a name="line.719"></a> |
| <FONT color="green">720</FONT> return xobj.bool() ? Boolean.TRUE : Boolean.FALSE;<a name="line.720"></a> |
| <FONT color="green">721</FONT> else <a name="line.721"></a> |
| <FONT color="green">722</FONT> {<a name="line.722"></a> |
| <FONT color="green">723</FONT> return convertDoubleToNumber(xobj.num(), javaClass);<a name="line.723"></a> |
| <FONT color="green">724</FONT> }<a name="line.724"></a> |
| <FONT color="green">725</FONT> }<a name="line.725"></a> |
| <FONT color="green">726</FONT> // break; Unreachable<a name="line.726"></a> |
| <FONT color="green">727</FONT> <a name="line.727"></a> |
| <FONT color="green">728</FONT> case XObject.CLASS_RTREEFRAG:<a name="line.728"></a> |
| <FONT color="green">729</FONT> {<a name="line.729"></a> |
| <FONT color="green">730</FONT> // GLP: I don't see the reason for the isAssignableFrom call<a name="line.730"></a> |
| <FONT color="green">731</FONT> // instead of an == test as is used everywhere else.<a name="line.731"></a> |
| <FONT color="green">732</FONT> // Besides, if the javaClass is a subclass of NodeIterator<a name="line.732"></a> |
| <FONT color="green">733</FONT> // the condition will be true and we'll create a NodeIterator<a name="line.733"></a> |
| <FONT color="green">734</FONT> // which may not match the javaClass, causing a RuntimeException.<a name="line.734"></a> |
| <FONT color="green">735</FONT> // if((NodeIterator.class.isAssignableFrom(javaClass)) ||<a name="line.735"></a> |
| <FONT color="green">736</FONT> if ( (javaClass == NodeIterator.class) ||<a name="line.736"></a> |
| <FONT color="green">737</FONT> (javaClass == java.lang.Object.class) )<a name="line.737"></a> |
| <FONT color="green">738</FONT> {<a name="line.738"></a> |
| <FONT color="green">739</FONT> DTMIterator dtmIter = ((XRTreeFrag) xobj).asNodeIterator();<a name="line.739"></a> |
| <FONT color="green">740</FONT> return new DTMNodeIterator(dtmIter);<a name="line.740"></a> |
| <FONT color="green">741</FONT> }<a name="line.741"></a> |
| <FONT color="green">742</FONT> else if (javaClass == NodeList.class)<a name="line.742"></a> |
| <FONT color="green">743</FONT> {<a name="line.743"></a> |
| <FONT color="green">744</FONT> return ((XRTreeFrag) xobj).convertToNodeset();<a name="line.744"></a> |
| <FONT color="green">745</FONT> }<a name="line.745"></a> |
| <FONT color="green">746</FONT> // Same comment as above<a name="line.746"></a> |
| <FONT color="green">747</FONT> // else if(Node.class.isAssignableFrom(javaClass))<a name="line.747"></a> |
| <FONT color="green">748</FONT> else if(javaClass == Node.class)<a name="line.748"></a> |
| <FONT color="green">749</FONT> {<a name="line.749"></a> |
| <FONT color="green">750</FONT> DTMIterator iter = ((XRTreeFrag) xobj).asNodeIterator();<a name="line.750"></a> |
| <FONT color="green">751</FONT> int rootHandle = iter.nextNode();<a name="line.751"></a> |
| <FONT color="green">752</FONT> DTM dtm = iter.getDTM(rootHandle);<a name="line.752"></a> |
| <FONT color="green">753</FONT> return dtm.getNode(dtm.getFirstChild(rootHandle));<a name="line.753"></a> |
| <FONT color="green">754</FONT> }<a name="line.754"></a> |
| <FONT color="green">755</FONT> else if(javaClass == java.lang.String.class)<a name="line.755"></a> |
| <FONT color="green">756</FONT> {<a name="line.756"></a> |
| <FONT color="green">757</FONT> return xobj.str();<a name="line.757"></a> |
| <FONT color="green">758</FONT> }<a name="line.758"></a> |
| <FONT color="green">759</FONT> else if(javaClass == Boolean.TYPE)<a name="line.759"></a> |
| <FONT color="green">760</FONT> {<a name="line.760"></a> |
| <FONT color="green">761</FONT> return xobj.bool() ? Boolean.TRUE : Boolean.FALSE;<a name="line.761"></a> |
| <FONT color="green">762</FONT> }<a name="line.762"></a> |
| <FONT color="green">763</FONT> else if(javaClass.isPrimitive())<a name="line.763"></a> |
| <FONT color="green">764</FONT> {<a name="line.764"></a> |
| <FONT color="green">765</FONT> return convertDoubleToNumber(xobj.num(), javaClass);<a name="line.765"></a> |
| <FONT color="green">766</FONT> }<a name="line.766"></a> |
| <FONT color="green">767</FONT> else<a name="line.767"></a> |
| <FONT color="green">768</FONT> {<a name="line.768"></a> |
| <FONT color="green">769</FONT> DTMIterator iter = ((XRTreeFrag) xobj).asNodeIterator();<a name="line.769"></a> |
| <FONT color="green">770</FONT> int rootHandle = iter.nextNode();<a name="line.770"></a> |
| <FONT color="green">771</FONT> DTM dtm = iter.getDTM(rootHandle);<a name="line.771"></a> |
| <FONT color="green">772</FONT> Node child = dtm.getNode(dtm.getFirstChild(rootHandle));<a name="line.772"></a> |
| <FONT color="green">773</FONT> <a name="line.773"></a> |
| <FONT color="green">774</FONT> if(javaClass.isAssignableFrom(child.getClass()))<a name="line.774"></a> |
| <FONT color="green">775</FONT> return child;<a name="line.775"></a> |
| <FONT color="green">776</FONT> else<a name="line.776"></a> |
| <FONT color="green">777</FONT> return null;<a name="line.777"></a> |
| <FONT color="green">778</FONT> }<a name="line.778"></a> |
| <FONT color="green">779</FONT> }<a name="line.779"></a> |
| <FONT color="green">780</FONT> // break; Unreachable<a name="line.780"></a> |
| <FONT color="green">781</FONT> <a name="line.781"></a> |
| <FONT color="green">782</FONT> case XObject.CLASS_NODESET:<a name="line.782"></a> |
| <FONT color="green">783</FONT> {<a name="line.783"></a> |
| <FONT color="green">784</FONT> // GLP: I don't see the reason for the isAssignableFrom call<a name="line.784"></a> |
| <FONT color="green">785</FONT> // instead of an == test as is used everywhere else.<a name="line.785"></a> |
| <FONT color="green">786</FONT> // Besides, if the javaClass is a subclass of NodeIterator<a name="line.786"></a> |
| <FONT color="green">787</FONT> // the condition will be true and we'll create a NodeIterator<a name="line.787"></a> |
| <FONT color="green">788</FONT> // which may not match the javaClass, causing a RuntimeException.<a name="line.788"></a> |
| <FONT color="green">789</FONT> // if((NodeIterator.class.isAssignableFrom(javaClass)) ||<a name="line.789"></a> |
| <FONT color="green">790</FONT> if ( (javaClass == NodeIterator.class) ||<a name="line.790"></a> |
| <FONT color="green">791</FONT> (javaClass == java.lang.Object.class) )<a name="line.791"></a> |
| <FONT color="green">792</FONT> {<a name="line.792"></a> |
| <FONT color="green">793</FONT> return xobj.nodeset();<a name="line.793"></a> |
| <FONT color="green">794</FONT> }<a name="line.794"></a> |
| <FONT color="green">795</FONT> // Same comment as above<a name="line.795"></a> |
| <FONT color="green">796</FONT> // else if(NodeList.class.isAssignableFrom(javaClass))<a name="line.796"></a> |
| <FONT color="green">797</FONT> else if(javaClass == NodeList.class)<a name="line.797"></a> |
| <FONT color="green">798</FONT> {<a name="line.798"></a> |
| <FONT color="green">799</FONT> return xobj.nodelist();<a name="line.799"></a> |
| <FONT color="green">800</FONT> }<a name="line.800"></a> |
| <FONT color="green">801</FONT> // Same comment as above<a name="line.801"></a> |
| <FONT color="green">802</FONT> // else if(Node.class.isAssignableFrom(javaClass))<a name="line.802"></a> |
| <FONT color="green">803</FONT> else if(javaClass == Node.class)<a name="line.803"></a> |
| <FONT color="green">804</FONT> {<a name="line.804"></a> |
| <FONT color="green">805</FONT> // Xalan ensures that iter() always returns an<a name="line.805"></a> |
| <FONT color="green">806</FONT> // iterator positioned at the beginning.<a name="line.806"></a> |
| <FONT color="green">807</FONT> DTMIterator ni = xobj.iter();<a name="line.807"></a> |
| <FONT color="green">808</FONT> int handle = ni.nextNode();<a name="line.808"></a> |
| <FONT color="green">809</FONT> if (handle != DTM.NULL)<a name="line.809"></a> |
| <FONT color="green">810</FONT> return ni.getDTM(handle).getNode(handle); // may be null.<a name="line.810"></a> |
| <FONT color="green">811</FONT> else<a name="line.811"></a> |
| <FONT color="green">812</FONT> return null;<a name="line.812"></a> |
| <FONT color="green">813</FONT> }<a name="line.813"></a> |
| <FONT color="green">814</FONT> else if(javaClass == java.lang.String.class)<a name="line.814"></a> |
| <FONT color="green">815</FONT> {<a name="line.815"></a> |
| <FONT color="green">816</FONT> return xobj.str();<a name="line.816"></a> |
| <FONT color="green">817</FONT> }<a name="line.817"></a> |
| <FONT color="green">818</FONT> else if(javaClass == Boolean.TYPE)<a name="line.818"></a> |
| <FONT color="green">819</FONT> {<a name="line.819"></a> |
| <FONT color="green">820</FONT> return xobj.bool() ? Boolean.TRUE : Boolean.FALSE;<a name="line.820"></a> |
| <FONT color="green">821</FONT> }<a name="line.821"></a> |
| <FONT color="green">822</FONT> else if(javaClass.isPrimitive())<a name="line.822"></a> |
| <FONT color="green">823</FONT> {<a name="line.823"></a> |
| <FONT color="green">824</FONT> return convertDoubleToNumber(xobj.num(), javaClass);<a name="line.824"></a> |
| <FONT color="green">825</FONT> }<a name="line.825"></a> |
| <FONT color="green">826</FONT> else<a name="line.826"></a> |
| <FONT color="green">827</FONT> {<a name="line.827"></a> |
| <FONT color="green">828</FONT> DTMIterator iter = xobj.iter();<a name="line.828"></a> |
| <FONT color="green">829</FONT> int childHandle = iter.nextNode();<a name="line.829"></a> |
| <FONT color="green">830</FONT> DTM dtm = iter.getDTM(childHandle);<a name="line.830"></a> |
| <FONT color="green">831</FONT> Node child = dtm.getNode(childHandle);<a name="line.831"></a> |
| <FONT color="green">832</FONT> if(javaClass.isAssignableFrom(child.getClass()))<a name="line.832"></a> |
| <FONT color="green">833</FONT> return child;<a name="line.833"></a> |
| <FONT color="green">834</FONT> else<a name="line.834"></a> |
| <FONT color="green">835</FONT> return null;<a name="line.835"></a> |
| <FONT color="green">836</FONT> }<a name="line.836"></a> |
| <FONT color="green">837</FONT> }<a name="line.837"></a> |
| <FONT color="green">838</FONT> // break; Unreachable<a name="line.838"></a> |
| <FONT color="green">839</FONT> <a name="line.839"></a> |
| <FONT color="green">840</FONT> // No default:, fall-through on purpose<a name="line.840"></a> |
| <FONT color="green">841</FONT> } // end switch<a name="line.841"></a> |
| <FONT color="green">842</FONT> xsltObj = xobj.object();<a name="line.842"></a> |
| <FONT color="green">843</FONT> <a name="line.843"></a> |
| <FONT color="green">844</FONT> } // end if if(xsltObj instanceof XObject)<a name="line.844"></a> |
| <FONT color="green">845</FONT> <a name="line.845"></a> |
| <FONT color="green">846</FONT> // At this point, we have a raw java object, not an XObject.<a name="line.846"></a> |
| <FONT color="green">847</FONT> if (null != xsltObj)<a name="line.847"></a> |
| <FONT color="green">848</FONT> {<a name="line.848"></a> |
| <FONT color="green">849</FONT> if(javaClass == java.lang.String.class)<a name="line.849"></a> |
| <FONT color="green">850</FONT> {<a name="line.850"></a> |
| <FONT color="green">851</FONT> return xsltObj.toString();<a name="line.851"></a> |
| <FONT color="green">852</FONT> }<a name="line.852"></a> |
| <FONT color="green">853</FONT> else if(javaClass.isPrimitive())<a name="line.853"></a> |
| <FONT color="green">854</FONT> {<a name="line.854"></a> |
| <FONT color="green">855</FONT> // Assume a number conversion<a name="line.855"></a> |
| <FONT color="green">856</FONT> XString xstr = new XString(xsltObj.toString());<a name="line.856"></a> |
| <FONT color="green">857</FONT> double num = xstr.num();<a name="line.857"></a> |
| <FONT color="green">858</FONT> return convertDoubleToNumber(num, javaClass);<a name="line.858"></a> |
| <FONT color="green">859</FONT> }<a name="line.859"></a> |
| <FONT color="green">860</FONT> else if(javaClass == java.lang.Class.class)<a name="line.860"></a> |
| <FONT color="green">861</FONT> {<a name="line.861"></a> |
| <FONT color="green">862</FONT> return xsltObj.getClass();<a name="line.862"></a> |
| <FONT color="green">863</FONT> }<a name="line.863"></a> |
| <FONT color="green">864</FONT> else<a name="line.864"></a> |
| <FONT color="green">865</FONT> {<a name="line.865"></a> |
| <FONT color="green">866</FONT> // Just pass the object directly, and hope for the best.<a name="line.866"></a> |
| <FONT color="green">867</FONT> return xsltObj;<a name="line.867"></a> |
| <FONT color="green">868</FONT> }<a name="line.868"></a> |
| <FONT color="green">869</FONT> }<a name="line.869"></a> |
| <FONT color="green">870</FONT> else<a name="line.870"></a> |
| <FONT color="green">871</FONT> {<a name="line.871"></a> |
| <FONT color="green">872</FONT> // Just pass the object directly, and hope for the best.<a name="line.872"></a> |
| <FONT color="green">873</FONT> return xsltObj;<a name="line.873"></a> |
| <FONT color="green">874</FONT> }<a name="line.874"></a> |
| <FONT color="green">875</FONT> }<a name="line.875"></a> |
| <FONT color="green">876</FONT> <a name="line.876"></a> |
| <FONT color="green">877</FONT> /**<a name="line.877"></a> |
| <FONT color="green">878</FONT> * Do a standard conversion of a double to the specified type.<a name="line.878"></a> |
| <FONT color="green">879</FONT> * @param num The number to be converted.<a name="line.879"></a> |
| <FONT color="green">880</FONT> * @param javaClass The class type to be converted to.<a name="line.880"></a> |
| <FONT color="green">881</FONT> * @return An object specified by javaClass, or a Double instance.<a name="line.881"></a> |
| <FONT color="green">882</FONT> */<a name="line.882"></a> |
| <FONT color="green">883</FONT> static Object convertDoubleToNumber(double num, Class javaClass)<a name="line.883"></a> |
| <FONT color="green">884</FONT> {<a name="line.884"></a> |
| <FONT color="green">885</FONT> // In the code below, I don't check for NaN, etc., instead <a name="line.885"></a> |
| <FONT color="green">886</FONT> // using the standard Java conversion, as I think we should <a name="line.886"></a> |
| <FONT color="green">887</FONT> // specify. See issue-runtime-errors.<a name="line.887"></a> |
| <FONT color="green">888</FONT> if((javaClass == Double.TYPE) ||<a name="line.888"></a> |
| <FONT color="green">889</FONT> (javaClass == java.lang.Double.class))<a name="line.889"></a> |
| <FONT color="green">890</FONT> return new Double(num);<a name="line.890"></a> |
| <FONT color="green">891</FONT> else if(javaClass == Float.TYPE)<a name="line.891"></a> |
| <FONT color="green">892</FONT> return new Float(num);<a name="line.892"></a> |
| <FONT color="green">893</FONT> else if(javaClass == Long.TYPE)<a name="line.893"></a> |
| <FONT color="green">894</FONT> {<a name="line.894"></a> |
| <FONT color="green">895</FONT> // Use standard Java Narrowing Primitive Conversion<a name="line.895"></a> |
| <FONT color="green">896</FONT> // See http://java.sun.com/docs/books/jls/html/5.doc.html#175672<a name="line.896"></a> |
| <FONT color="green">897</FONT> return new Long((long)num);<a name="line.897"></a> |
| <FONT color="green">898</FONT> }<a name="line.898"></a> |
| <FONT color="green">899</FONT> else if(javaClass == Integer.TYPE)<a name="line.899"></a> |
| <FONT color="green">900</FONT> {<a name="line.900"></a> |
| <FONT color="green">901</FONT> // Use standard Java Narrowing Primitive Conversion<a name="line.901"></a> |
| <FONT color="green">902</FONT> // See http://java.sun.com/docs/books/jls/html/5.doc.html#175672<a name="line.902"></a> |
| <FONT color="green">903</FONT> return new Integer((int)num);<a name="line.903"></a> |
| <FONT color="green">904</FONT> }<a name="line.904"></a> |
| <FONT color="green">905</FONT> else if(javaClass == Short.TYPE)<a name="line.905"></a> |
| <FONT color="green">906</FONT> {<a name="line.906"></a> |
| <FONT color="green">907</FONT> // Use standard Java Narrowing Primitive Conversion<a name="line.907"></a> |
| <FONT color="green">908</FONT> // See http://java.sun.com/docs/books/jls/html/5.doc.html#175672<a name="line.908"></a> |
| <FONT color="green">909</FONT> return new Short((short)num);<a name="line.909"></a> |
| <FONT color="green">910</FONT> }<a name="line.910"></a> |
| <FONT color="green">911</FONT> else if(javaClass == Character.TYPE)<a name="line.911"></a> |
| <FONT color="green">912</FONT> {<a name="line.912"></a> |
| <FONT color="green">913</FONT> // Use standard Java Narrowing Primitive Conversion<a name="line.913"></a> |
| <FONT color="green">914</FONT> // See http://java.sun.com/docs/books/jls/html/5.doc.html#175672<a name="line.914"></a> |
| <FONT color="green">915</FONT> return new Character((char)num);<a name="line.915"></a> |
| <FONT color="green">916</FONT> }<a name="line.916"></a> |
| <FONT color="green">917</FONT> else if(javaClass == Byte.TYPE)<a name="line.917"></a> |
| <FONT color="green">918</FONT> {<a name="line.918"></a> |
| <FONT color="green">919</FONT> // Use standard Java Narrowing Primitive Conversion<a name="line.919"></a> |
| <FONT color="green">920</FONT> // See http://java.sun.com/docs/books/jls/html/5.doc.html#175672<a name="line.920"></a> |
| <FONT color="green">921</FONT> return new Byte((byte)num);<a name="line.921"></a> |
| <FONT color="green">922</FONT> }<a name="line.922"></a> |
| <FONT color="green">923</FONT> else // Some other type of object<a name="line.923"></a> |
| <FONT color="green">924</FONT> {<a name="line.924"></a> |
| <FONT color="green">925</FONT> return new Double(num);<a name="line.925"></a> |
| <FONT color="green">926</FONT> }<a name="line.926"></a> |
| <FONT color="green">927</FONT> }<a name="line.927"></a> |
| <FONT color="green">928</FONT> <a name="line.928"></a> |
| <FONT color="green">929</FONT> <a name="line.929"></a> |
| <FONT color="green">930</FONT> /**<a name="line.930"></a> |
| <FONT color="green">931</FONT> * Format the message for the NoSuchMethodException containing <a name="line.931"></a> |
| <FONT color="green">932</FONT> * all the information about the method we're looking for.<a name="line.932"></a> |
| <FONT color="green">933</FONT> */<a name="line.933"></a> |
| <FONT color="green">934</FONT> private static String errString(String callType, // "function" or "element"<a name="line.934"></a> |
| <FONT color="green">935</FONT> String searchType, // "method" or "constructor"<a name="line.935"></a> |
| <FONT color="green">936</FONT> Class classObj,<a name="line.936"></a> |
| <FONT color="green">937</FONT> String funcName,<a name="line.937"></a> |
| <FONT color="green">938</FONT> int searchMethod,<a name="line.938"></a> |
| <FONT color="green">939</FONT> Object[] xsltArgs)<a name="line.939"></a> |
| <FONT color="green">940</FONT> {<a name="line.940"></a> |
| <FONT color="green">941</FONT> String resultString = "For extension " + callType<a name="line.941"></a> |
| <FONT color="green">942</FONT> + ", could not find " + searchType + " ";<a name="line.942"></a> |
| <FONT color="green">943</FONT> switch (searchMethod)<a name="line.943"></a> |
| <FONT color="green">944</FONT> {<a name="line.944"></a> |
| <FONT color="green">945</FONT> case STATIC_ONLY:<a name="line.945"></a> |
| <FONT color="green">946</FONT> return resultString + "static " + classObj.getName() + "." <a name="line.946"></a> |
| <FONT color="green">947</FONT> + funcName + "([ExpressionContext,] " + errArgs(xsltArgs, 0) + ").";<a name="line.947"></a> |
| <FONT color="green">948</FONT> <a name="line.948"></a> |
| <FONT color="green">949</FONT> case INSTANCE_ONLY:<a name="line.949"></a> |
| <FONT color="green">950</FONT> return resultString + classObj.getName() + "."<a name="line.950"></a> |
| <FONT color="green">951</FONT> + funcName + "([ExpressionContext,] " + errArgs(xsltArgs, 0) + ").";<a name="line.951"></a> |
| <FONT color="green">952</FONT> <a name="line.952"></a> |
| <FONT color="green">953</FONT> case STATIC_AND_INSTANCE:<a name="line.953"></a> |
| <FONT color="green">954</FONT> return resultString + classObj.getName() + "." + funcName + "([ExpressionContext,] " + errArgs(xsltArgs, 0) + ").\n"<a name="line.954"></a> |
| <FONT color="green">955</FONT> + "Checked both static and instance methods.";<a name="line.955"></a> |
| <FONT color="green">956</FONT> <a name="line.956"></a> |
| <FONT color="green">957</FONT> case DYNAMIC:<a name="line.957"></a> |
| <FONT color="green">958</FONT> return resultString + "static " + classObj.getName() + "." + funcName<a name="line.958"></a> |
| <FONT color="green">959</FONT> + "([ExpressionContext, ]" + errArgs(xsltArgs, 0) + ") nor\n"<a name="line.959"></a> |
| <FONT color="green">960</FONT> + classObj + "." + funcName + "([ExpressionContext,] " + errArgs(xsltArgs, 1) + ").";<a name="line.960"></a> |
| <FONT color="green">961</FONT> <a name="line.961"></a> |
| <FONT color="green">962</FONT> default:<a name="line.962"></a> |
| <FONT color="green">963</FONT> if (callType.equals("function")) // must be a constructor<a name="line.963"></a> |
| <FONT color="green">964</FONT> {<a name="line.964"></a> |
| <FONT color="green">965</FONT> return resultString + classObj.getName()<a name="line.965"></a> |
| <FONT color="green">966</FONT> + "([ExpressionContext,] " + errArgs(xsltArgs, 0) + ").";<a name="line.966"></a> |
| <FONT color="green">967</FONT> }<a name="line.967"></a> |
| <FONT color="green">968</FONT> else // must be an element call<a name="line.968"></a> |
| <FONT color="green">969</FONT> {<a name="line.969"></a> |
| <FONT color="green">970</FONT> return resultString + classObj.getName() + "." + funcName<a name="line.970"></a> |
| <FONT color="green">971</FONT> + "(org.apache.xalan.extensions.XSLProcessorContext, "<a name="line.971"></a> |
| <FONT color="green">972</FONT> + "org.apache.xalan.templates.ElemExtensionCall).";<a name="line.972"></a> |
| <FONT color="green">973</FONT> }<a name="line.973"></a> |
| <FONT color="green">974</FONT> }<a name="line.974"></a> |
| <FONT color="green">975</FONT> <a name="line.975"></a> |
| <FONT color="green">976</FONT> }<a name="line.976"></a> |
| <FONT color="green">977</FONT> <a name="line.977"></a> |
| <FONT color="green">978</FONT> <a name="line.978"></a> |
| <FONT color="green">979</FONT> private static String errArgs(Object[] xsltArgs, int startingArg)<a name="line.979"></a> |
| <FONT color="green">980</FONT> {<a name="line.980"></a> |
| <FONT color="green">981</FONT> StringBuffer returnArgs = new StringBuffer();<a name="line.981"></a> |
| <FONT color="green">982</FONT> for (int i = startingArg; i < xsltArgs.length; i++)<a name="line.982"></a> |
| <FONT color="green">983</FONT> {<a name="line.983"></a> |
| <FONT color="green">984</FONT> if (i != startingArg)<a name="line.984"></a> |
| <FONT color="green">985</FONT> returnArgs.append(", ");<a name="line.985"></a> |
| <FONT color="green">986</FONT> if (xsltArgs[i] instanceof XObject)<a name="line.986"></a> |
| <FONT color="green">987</FONT> returnArgs.append(((XObject) xsltArgs[i]).getTypeString()); <a name="line.987"></a> |
| <FONT color="green">988</FONT> else<a name="line.988"></a> |
| <FONT color="green">989</FONT> returnArgs.append(xsltArgs[i].getClass().getName());<a name="line.989"></a> |
| <FONT color="green">990</FONT> }<a name="line.990"></a> |
| <FONT color="green">991</FONT> return returnArgs.toString();<a name="line.991"></a> |
| <FONT color="green">992</FONT> }<a name="line.992"></a> |
| <FONT color="green">993</FONT> <a name="line.993"></a> |
| <FONT color="green">994</FONT> }<a name="line.994"></a> |
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| </PRE> |
| </BODY> |
| </HTML> |
