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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: NamespaceSupport2.java 468655 2006-10-28 07:12:06Z minchau $<a name="line.19"></a> |
| <FONT color="green">020</FONT> */<a name="line.20"></a> |
| <FONT color="green">021</FONT> package org.apache.xml.utils;<a name="line.21"></a> |
| <FONT color="green">022</FONT> <a name="line.22"></a> |
| <FONT color="green">023</FONT> import java.util.EmptyStackException;<a name="line.23"></a> |
| <FONT color="green">024</FONT> import java.util.Enumeration;<a name="line.24"></a> |
| <FONT color="green">025</FONT> import java.util.Hashtable;<a name="line.25"></a> |
| <FONT color="green">026</FONT> import java.util.Vector;<a name="line.26"></a> |
| <FONT color="green">027</FONT> <a name="line.27"></a> |
| <FONT color="green">028</FONT> /**<a name="line.28"></a> |
| <FONT color="green">029</FONT> * Encapsulate Namespace tracking logic for use by SAX drivers.<a name="line.29"></a> |
| <FONT color="green">030</FONT> *<a name="line.30"></a> |
| <FONT color="green">031</FONT> * <p>This class is an attempt to rewrite the SAX NamespaceSupport<a name="line.31"></a> |
| <FONT color="green">032</FONT> * "helper" class for improved efficiency. It can be used to track the<a name="line.32"></a> |
| <FONT color="green">033</FONT> * namespace declarations currently in scope, providing lookup<a name="line.33"></a> |
| <FONT color="green">034</FONT> * routines to map prefixes to URIs and vice versa.</p><a name="line.34"></a> |
| <FONT color="green">035</FONT> *<a name="line.35"></a> |
| <FONT color="green">036</FONT> * <p>ISSUE: For testing purposes, I've extended NamespaceSupport even<a name="line.36"></a> |
| <FONT color="green">037</FONT> * though I'm completely reasserting all behaviors and fields.<a name="line.37"></a> |
| <FONT color="green">038</FONT> * Wasteful.... But SAX did not put an interface under that object and<a name="line.38"></a> |
| <FONT color="green">039</FONT> * we seem to have written that SAX class into our APIs... and I don't<a name="line.39"></a> |
| <FONT color="green">040</FONT> * want to argue with it right now. </p><a name="line.40"></a> |
| <FONT color="green">041</FONT> *<a name="line.41"></a> |
| <FONT color="green">042</FONT> * @see org.xml.sax.helpers.NamespaceSupport<a name="line.42"></a> |
| <FONT color="green">043</FONT> * */<a name="line.43"></a> |
| <FONT color="green">044</FONT> public class NamespaceSupport2<a name="line.44"></a> |
| <FONT color="green">045</FONT> extends org.xml.sax.helpers.NamespaceSupport<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> // Internal state.<a name="line.48"></a> |
| <FONT color="green">049</FONT> ////////////////////////////////////////////////////////////////////<a name="line.49"></a> |
| <FONT color="green">050</FONT> <a name="line.50"></a> |
| <FONT color="green">051</FONT> private Context2 currentContext; // Current point on the double-linked stack<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> ////////////////////////////////////////////////////////////////////<a name="line.54"></a> |
| <FONT color="green">055</FONT> // Constants.<a name="line.55"></a> |
| <FONT color="green">056</FONT> ////////////////////////////////////////////////////////////////////<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> /**<a name="line.59"></a> |
| <FONT color="green">060</FONT> * The XML Namespace as a constant.<a name="line.60"></a> |
| <FONT color="green">061</FONT> *<a name="line.61"></a> |
| <FONT color="green">062</FONT> * <p>This is the Namespace URI that is automatically mapped<a name="line.62"></a> |
| <FONT color="green">063</FONT> * to the "xml" prefix.</p><a name="line.63"></a> |
| <FONT color="green">064</FONT> */<a name="line.64"></a> |
| <FONT color="green">065</FONT> public final static String XMLNS =<a name="line.65"></a> |
| <FONT color="green">066</FONT> "http://www.w3.org/XML/1998/namespace";<a name="line.66"></a> |
| <FONT color="green">067</FONT> <a name="line.67"></a> |
| <FONT color="green">068</FONT> <a name="line.68"></a> |
| <FONT color="green">069</FONT> ////////////////////////////////////////////////////////////////////<a name="line.69"></a> |
| <FONT color="green">070</FONT> // Constructor.<a name="line.70"></a> |
| <FONT color="green">071</FONT> ////////////////////////////////////////////////////////////////////<a name="line.71"></a> |
| <FONT color="green">072</FONT> <a name="line.72"></a> |
| <FONT color="green">073</FONT> <a name="line.73"></a> |
| <FONT color="green">074</FONT> /**<a name="line.74"></a> |
| <FONT color="green">075</FONT> * Create a new Namespace support object.<a name="line.75"></a> |
| <FONT color="green">076</FONT> */<a name="line.76"></a> |
| <FONT color="green">077</FONT> public NamespaceSupport2 ()<a name="line.77"></a> |
| <FONT color="green">078</FONT> {<a name="line.78"></a> |
| <FONT color="green">079</FONT> reset();<a name="line.79"></a> |
| <FONT color="green">080</FONT> }<a name="line.80"></a> |
| <FONT color="green">081</FONT> <a name="line.81"></a> |
| <FONT color="green">082</FONT> <a name="line.82"></a> |
| <FONT color="green">083</FONT> ////////////////////////////////////////////////////////////////////<a name="line.83"></a> |
| <FONT color="green">084</FONT> // Context management.<a name="line.84"></a> |
| <FONT color="green">085</FONT> ////////////////////////////////////////////////////////////////////<a name="line.85"></a> |
| <FONT color="green">086</FONT> <a name="line.86"></a> |
| <FONT color="green">087</FONT> <a name="line.87"></a> |
| <FONT color="green">088</FONT> /**<a name="line.88"></a> |
| <FONT color="green">089</FONT> * Reset this Namespace support object for reuse.<a name="line.89"></a> |
| <FONT color="green">090</FONT> *<a name="line.90"></a> |
| <FONT color="green">091</FONT> * <p>It is necessary to invoke this method before reusing the<a name="line.91"></a> |
| <FONT color="green">092</FONT> * Namespace support object for a new session.</p><a name="line.92"></a> |
| <FONT color="green">093</FONT> */<a name="line.93"></a> |
| <FONT color="green">094</FONT> public void reset ()<a name="line.94"></a> |
| <FONT color="green">095</FONT> {<a name="line.95"></a> |
| <FONT color="green">096</FONT> // Discarding the whole stack doesn't save us a lot versus<a name="line.96"></a> |
| <FONT color="green">097</FONT> // creating a new NamespaceSupport. Do we care, or should we<a name="line.97"></a> |
| <FONT color="green">098</FONT> // change this to just reset the root context?<a name="line.98"></a> |
| <FONT color="green">099</FONT> currentContext = new Context2(null);<a name="line.99"></a> |
| <FONT color="green">100</FONT> currentContext.declarePrefix("xml", XMLNS);<a name="line.100"></a> |
| <FONT color="green">101</FONT> }<a name="line.101"></a> |
| <FONT color="green">102</FONT> <a name="line.102"></a> |
| <FONT color="green">103</FONT> <a name="line.103"></a> |
| <FONT color="green">104</FONT> /**<a name="line.104"></a> |
| <FONT color="green">105</FONT> * Start a new Namespace context.<a name="line.105"></a> |
| <FONT color="green">106</FONT> *<a name="line.106"></a> |
| <FONT color="green">107</FONT> * <p>Normally, you should push a new context at the beginning<a name="line.107"></a> |
| <FONT color="green">108</FONT> * of each XML element: the new context will automatically inherit<a name="line.108"></a> |
| <FONT color="green">109</FONT> * the declarations of its parent context, but it will also keep<a name="line.109"></a> |
| <FONT color="green">110</FONT> * track of which declarations were made within this context.</p><a name="line.110"></a> |
| <FONT color="green">111</FONT> *<a name="line.111"></a> |
| <FONT color="green">112</FONT> * <p>The Namespace support object always starts with a base context<a name="line.112"></a> |
| <FONT color="green">113</FONT> * already in force: in this context, only the "xml" prefix is<a name="line.113"></a> |
| <FONT color="green">114</FONT> * declared.</p><a name="line.114"></a> |
| <FONT color="green">115</FONT> *<a name="line.115"></a> |
| <FONT color="green">116</FONT> * @see #popContext<a name="line.116"></a> |
| <FONT color="green">117</FONT> */<a name="line.117"></a> |
| <FONT color="green">118</FONT> public void pushContext ()<a name="line.118"></a> |
| <FONT color="green">119</FONT> {<a name="line.119"></a> |
| <FONT color="green">120</FONT> // JJK: Context has a parent pointer.<a name="line.120"></a> |
| <FONT color="green">121</FONT> // That means we don't need a stack to pop.<a name="line.121"></a> |
| <FONT color="green">122</FONT> // We may want to retain for reuse, but that can be done via<a name="line.122"></a> |
| <FONT color="green">123</FONT> // a child pointer.<a name="line.123"></a> |
| <FONT color="green">124</FONT> <a name="line.124"></a> |
| <FONT color="green">125</FONT> Context2 parentContext=currentContext;<a name="line.125"></a> |
| <FONT color="green">126</FONT> currentContext = parentContext.getChild();<a name="line.126"></a> |
| <FONT color="green">127</FONT> if (currentContext == null){<a name="line.127"></a> |
| <FONT color="green">128</FONT> currentContext = new Context2(parentContext);<a name="line.128"></a> |
| <FONT color="green">129</FONT> }<a name="line.129"></a> |
| <FONT color="green">130</FONT> else{<a name="line.130"></a> |
| <FONT color="green">131</FONT> // JJK: This will wipe out any leftover data<a name="line.131"></a> |
| <FONT color="green">132</FONT> // if we're reusing a previously allocated Context.<a name="line.132"></a> |
| <FONT color="green">133</FONT> currentContext.setParent(parentContext);<a name="line.133"></a> |
| <FONT color="green">134</FONT> }<a name="line.134"></a> |
| <FONT color="green">135</FONT> }<a name="line.135"></a> |
| <FONT color="green">136</FONT> <a name="line.136"></a> |
| <FONT color="green">137</FONT> <a name="line.137"></a> |
| <FONT color="green">138</FONT> /**<a name="line.138"></a> |
| <FONT color="green">139</FONT> * Revert to the previous Namespace context.<a name="line.139"></a> |
| <FONT color="green">140</FONT> *<a name="line.140"></a> |
| <FONT color="green">141</FONT> * <p>Normally, you should pop the context at the end of each<a name="line.141"></a> |
| <FONT color="green">142</FONT> * XML element. After popping the context, all Namespace prefix<a name="line.142"></a> |
| <FONT color="green">143</FONT> * mappings that were previously in force are restored.</p><a name="line.143"></a> |
| <FONT color="green">144</FONT> *<a name="line.144"></a> |
| <FONT color="green">145</FONT> * <p>You must not attempt to declare additional Namespace<a name="line.145"></a> |
| <FONT color="green">146</FONT> * prefixes after popping a context, unless you push another<a name="line.146"></a> |
| <FONT color="green">147</FONT> * context first.</p><a name="line.147"></a> |
| <FONT color="green">148</FONT> *<a name="line.148"></a> |
| <FONT color="green">149</FONT> * @see #pushContext<a name="line.149"></a> |
| <FONT color="green">150</FONT> */<a name="line.150"></a> |
| <FONT color="green">151</FONT> public void popContext ()<a name="line.151"></a> |
| <FONT color="green">152</FONT> {<a name="line.152"></a> |
| <FONT color="green">153</FONT> Context2 parentContext=currentContext.getParent();<a name="line.153"></a> |
| <FONT color="green">154</FONT> if(parentContext==null)<a name="line.154"></a> |
| <FONT color="green">155</FONT> throw new EmptyStackException();<a name="line.155"></a> |
| <FONT color="green">156</FONT> else<a name="line.156"></a> |
| <FONT color="green">157</FONT> currentContext = parentContext;<a name="line.157"></a> |
| <FONT color="green">158</FONT> }<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> // Operations within a context.<a name="line.163"></a> |
| <FONT color="green">164</FONT> ////////////////////////////////////////////////////////////////////<a name="line.164"></a> |
| <FONT color="green">165</FONT> <a name="line.165"></a> |
| <FONT color="green">166</FONT> <a name="line.166"></a> |
| <FONT color="green">167</FONT> /**<a name="line.167"></a> |
| <FONT color="green">168</FONT> * Declare a Namespace prefix.<a name="line.168"></a> |
| <FONT color="green">169</FONT> *<a name="line.169"></a> |
| <FONT color="green">170</FONT> * <p>This method declares a prefix in the current Namespace<a name="line.170"></a> |
| <FONT color="green">171</FONT> * context; the prefix will remain in force until this context<a name="line.171"></a> |
| <FONT color="green">172</FONT> * is popped, unless it is shadowed in a descendant context.</p><a name="line.172"></a> |
| <FONT color="green">173</FONT> *<a name="line.173"></a> |
| <FONT color="green">174</FONT> * <p>To declare a default Namespace, use the empty string. The<a name="line.174"></a> |
| <FONT color="green">175</FONT> * prefix must not be "xml" or "xmlns".</p><a name="line.175"></a> |
| <FONT color="green">176</FONT> *<a name="line.176"></a> |
| <FONT color="green">177</FONT> * <p>Note that you must <em>not</em> declare a prefix after<a name="line.177"></a> |
| <FONT color="green">178</FONT> * you've pushed and popped another Namespace.</p><a name="line.178"></a> |
| <FONT color="green">179</FONT> *<a name="line.179"></a> |
| <FONT color="green">180</FONT> * <p>Note that there is an asymmetry in this library: while {@link<a name="line.180"></a> |
| <FONT color="green">181</FONT> * #getPrefix getPrefix} will not return the default "" prefix,<a name="line.181"></a> |
| <FONT color="green">182</FONT> * even if you have declared one; to check for a default prefix,<a name="line.182"></a> |
| <FONT color="green">183</FONT> * you have to look it up explicitly using {@link #getURI getURI}.<a name="line.183"></a> |
| <FONT color="green">184</FONT> * This asymmetry exists to make it easier to look up prefixes<a name="line.184"></a> |
| <FONT color="green">185</FONT> * for attribute names, where the default prefix is not allowed.</p><a name="line.185"></a> |
| <FONT color="green">186</FONT> *<a name="line.186"></a> |
| <FONT color="green">187</FONT> * @param prefix The prefix to declare, or null for the empty<a name="line.187"></a> |
| <FONT color="green">188</FONT> * string.<a name="line.188"></a> |
| <FONT color="green">189</FONT> * @param uri The Namespace URI to associate with the prefix.<a name="line.189"></a> |
| <FONT color="green">190</FONT> * @return true if the prefix was legal, false otherwise<a name="line.190"></a> |
| <FONT color="green">191</FONT> * @see #processName<a name="line.191"></a> |
| <FONT color="green">192</FONT> * @see #getURI<a name="line.192"></a> |
| <FONT color="green">193</FONT> * @see #getPrefix<a name="line.193"></a> |
| <FONT color="green">194</FONT> */<a name="line.194"></a> |
| <FONT color="green">195</FONT> public boolean declarePrefix (String prefix, String uri)<a name="line.195"></a> |
| <FONT color="green">196</FONT> {<a name="line.196"></a> |
| <FONT color="green">197</FONT> if (prefix.equals("xml") || prefix.equals("xmlns")) {<a name="line.197"></a> |
| <FONT color="green">198</FONT> return false;<a name="line.198"></a> |
| <FONT color="green">199</FONT> } else {<a name="line.199"></a> |
| <FONT color="green">200</FONT> currentContext.declarePrefix(prefix, uri);<a name="line.200"></a> |
| <FONT color="green">201</FONT> return true;<a name="line.201"></a> |
| <FONT color="green">202</FONT> }<a name="line.202"></a> |
| <FONT color="green">203</FONT> }<a name="line.203"></a> |
| <FONT color="green">204</FONT> <a name="line.204"></a> |
| <FONT color="green">205</FONT> <a name="line.205"></a> |
| <FONT color="green">206</FONT> /**<a name="line.206"></a> |
| <FONT color="green">207</FONT> * Process a raw XML 1.0 name.<a name="line.207"></a> |
| <FONT color="green">208</FONT> *<a name="line.208"></a> |
| <FONT color="green">209</FONT> * <p>This method processes a raw XML 1.0 name in the current<a name="line.209"></a> |
| <FONT color="green">210</FONT> * context by removing the prefix and looking it up among the<a name="line.210"></a> |
| <FONT color="green">211</FONT> * prefixes currently declared. The return value will be the<a name="line.211"></a> |
| <FONT color="green">212</FONT> * array supplied by the caller, filled in as follows:</p><a name="line.212"></a> |
| <FONT color="green">213</FONT> *<a name="line.213"></a> |
| <FONT color="green">214</FONT> * <dl><a name="line.214"></a> |
| <FONT color="green">215</FONT> * <dt>parts[0]</dt><a name="line.215"></a> |
| <FONT color="green">216</FONT> * <dd>The Namespace URI, or an empty string if none is<a name="line.216"></a> |
| <FONT color="green">217</FONT> * in use.</dd><a name="line.217"></a> |
| <FONT color="green">218</FONT> * <dt>parts[1]</dt><a name="line.218"></a> |
| <FONT color="green">219</FONT> * <dd>The local name (without prefix).</dd><a name="line.219"></a> |
| <FONT color="green">220</FONT> * <dt>parts[2]</dt><a name="line.220"></a> |
| <FONT color="green">221</FONT> * <dd>The original raw name.</dd><a name="line.221"></a> |
| <FONT color="green">222</FONT> * </dl><a name="line.222"></a> |
| <FONT color="green">223</FONT> *<a name="line.223"></a> |
| <FONT color="green">224</FONT> * <p>All of the strings in the array will be internalized. If<a name="line.224"></a> |
| <FONT color="green">225</FONT> * the raw name has a prefix that has not been declared, then<a name="line.225"></a> |
| <FONT color="green">226</FONT> * the return value will be null.</p><a name="line.226"></a> |
| <FONT color="green">227</FONT> *<a name="line.227"></a> |
| <FONT color="green">228</FONT> * <p>Note that attribute names are processed differently than<a name="line.228"></a> |
| <FONT color="green">229</FONT> * element names: an unprefixed element name will received the<a name="line.229"></a> |
| <FONT color="green">230</FONT> * default Namespace (if any), while an unprefixed element name<a name="line.230"></a> |
| <FONT color="green">231</FONT> * will not.</p><a name="line.231"></a> |
| <FONT color="green">232</FONT> *<a name="line.232"></a> |
| <FONT color="green">233</FONT> * @param qName The raw XML 1.0 name to be processed.<a name="line.233"></a> |
| <FONT color="green">234</FONT> * @param parts A string array supplied by the caller, capable of<a name="line.234"></a> |
| <FONT color="green">235</FONT> * holding at least three members.<a name="line.235"></a> |
| <FONT color="green">236</FONT> * @param isAttribute A flag indicating whether this is an<a name="line.236"></a> |
| <FONT color="green">237</FONT> * attribute name (true) or an element name (false).<a name="line.237"></a> |
| <FONT color="green">238</FONT> * @return The supplied array holding three internalized strings <a name="line.238"></a> |
| <FONT color="green">239</FONT> * representing the Namespace URI (or empty string), the<a name="line.239"></a> |
| <FONT color="green">240</FONT> * local name, and the raw XML 1.0 name; or null if there<a name="line.240"></a> |
| <FONT color="green">241</FONT> * is an undeclared prefix.<a name="line.241"></a> |
| <FONT color="green">242</FONT> * @see #declarePrefix<a name="line.242"></a> |
| <FONT color="green">243</FONT> * @see java.lang.String#intern */<a name="line.243"></a> |
| <FONT color="green">244</FONT> public String [] processName (String qName, String[] parts,<a name="line.244"></a> |
| <FONT color="green">245</FONT> boolean isAttribute)<a name="line.245"></a> |
| <FONT color="green">246</FONT> {<a name="line.246"></a> |
| <FONT color="green">247</FONT> String[] name=currentContext.processName(qName, isAttribute);<a name="line.247"></a> |
| <FONT color="green">248</FONT> if(name==null)<a name="line.248"></a> |
| <FONT color="green">249</FONT> return null;<a name="line.249"></a> |
| <FONT color="green">250</FONT> <a name="line.250"></a> |
| <FONT color="green">251</FONT> // JJK: This recopying is required because processName may return<a name="line.251"></a> |
| <FONT color="green">252</FONT> // a cached result. I Don't Like It. *****<a name="line.252"></a> |
| <FONT color="green">253</FONT> System.arraycopy(name,0,parts,0,3);<a name="line.253"></a> |
| <FONT color="green">254</FONT> return parts;<a name="line.254"></a> |
| <FONT color="green">255</FONT> }<a name="line.255"></a> |
| <FONT color="green">256</FONT> <a name="line.256"></a> |
| <FONT color="green">257</FONT> <a name="line.257"></a> |
| <FONT color="green">258</FONT> /**<a name="line.258"></a> |
| <FONT color="green">259</FONT> * Look up a prefix and get the currently-mapped Namespace URI.<a name="line.259"></a> |
| <FONT color="green">260</FONT> *<a name="line.260"></a> |
| <FONT color="green">261</FONT> * <p>This method looks up the prefix in the current context.<a name="line.261"></a> |
| <FONT color="green">262</FONT> * Use the empty string ("") for the default Namespace.</p><a name="line.262"></a> |
| <FONT color="green">263</FONT> *<a name="line.263"></a> |
| <FONT color="green">264</FONT> * @param prefix The prefix to look up.<a name="line.264"></a> |
| <FONT color="green">265</FONT> * @return The associated Namespace URI, or null if the prefix<a name="line.265"></a> |
| <FONT color="green">266</FONT> * is undeclared in this context.<a name="line.266"></a> |
| <FONT color="green">267</FONT> * @see #getPrefix<a name="line.267"></a> |
| <FONT color="green">268</FONT> * @see #getPrefixes<a name="line.268"></a> |
| <FONT color="green">269</FONT> */<a name="line.269"></a> |
| <FONT color="green">270</FONT> public String getURI (String prefix)<a name="line.270"></a> |
| <FONT color="green">271</FONT> {<a name="line.271"></a> |
| <FONT color="green">272</FONT> return currentContext.getURI(prefix);<a name="line.272"></a> |
| <FONT color="green">273</FONT> }<a name="line.273"></a> |
| <FONT color="green">274</FONT> <a name="line.274"></a> |
| <FONT color="green">275</FONT> <a name="line.275"></a> |
| <FONT color="green">276</FONT> /**<a name="line.276"></a> |
| <FONT color="green">277</FONT> * Return an enumeration of all prefixes currently declared.<a name="line.277"></a> |
| <FONT color="green">278</FONT> *<a name="line.278"></a> |
| <FONT color="green">279</FONT> * <p><strong>Note:</strong> if there is a default prefix, it will not be<a name="line.279"></a> |
| <FONT color="green">280</FONT> * returned in this enumeration; check for the default prefix<a name="line.280"></a> |
| <FONT color="green">281</FONT> * using the {@link #getURI getURI} with an argument of "".</p><a name="line.281"></a> |
| <FONT color="green">282</FONT> *<a name="line.282"></a> |
| <FONT color="green">283</FONT> * @return An enumeration of all prefixes declared in the<a name="line.283"></a> |
| <FONT color="green">284</FONT> * current context except for the empty (default)<a name="line.284"></a> |
| <FONT color="green">285</FONT> * prefix.<a name="line.285"></a> |
| <FONT color="green">286</FONT> * @see #getDeclaredPrefixes<a name="line.286"></a> |
| <FONT color="green">287</FONT> * @see #getURI<a name="line.287"></a> |
| <FONT color="green">288</FONT> */<a name="line.288"></a> |
| <FONT color="green">289</FONT> public Enumeration getPrefixes ()<a name="line.289"></a> |
| <FONT color="green">290</FONT> {<a name="line.290"></a> |
| <FONT color="green">291</FONT> return currentContext.getPrefixes();<a name="line.291"></a> |
| <FONT color="green">292</FONT> }<a name="line.292"></a> |
| <FONT color="green">293</FONT> <a name="line.293"></a> |
| <FONT color="green">294</FONT> <a name="line.294"></a> |
| <FONT color="green">295</FONT> /**<a name="line.295"></a> |
| <FONT color="green">296</FONT> * Return one of the prefixes mapped to a Namespace URI.<a name="line.296"></a> |
| <FONT color="green">297</FONT> *<a name="line.297"></a> |
| <FONT color="green">298</FONT> * <p>If more than one prefix is currently mapped to the same<a name="line.298"></a> |
| <FONT color="green">299</FONT> * URI, this method will make an arbitrary selection; if you<a name="line.299"></a> |
| <FONT color="green">300</FONT> * want all of the prefixes, use the {@link #getPrefixes}<a name="line.300"></a> |
| <FONT color="green">301</FONT> * method instead.</p><a name="line.301"></a> |
| <FONT color="green">302</FONT> *<a name="line.302"></a> |
| <FONT color="green">303</FONT> * <p><strong>Note:</strong> this will never return the empty<a name="line.303"></a> |
| <FONT color="green">304</FONT> * (default) prefix; to check for a default prefix, use the {@link<a name="line.304"></a> |
| <FONT color="green">305</FONT> * #getURI getURI} method with an argument of "".</p><a name="line.305"></a> |
| <FONT color="green">306</FONT> *<a name="line.306"></a> |
| <FONT color="green">307</FONT> * @param uri The Namespace URI.<a name="line.307"></a> |
| <FONT color="green">308</FONT> * @return One of the prefixes currently mapped to the URI supplied,<a name="line.308"></a> |
| <FONT color="green">309</FONT> * or null if none is mapped or if the URI is assigned to<a name="line.309"></a> |
| <FONT color="green">310</FONT> * the default Namespace.<a name="line.310"></a> |
| <FONT color="green">311</FONT> * @see #getPrefixes(java.lang.String)<a name="line.311"></a> |
| <FONT color="green">312</FONT> * @see #getURI */<a name="line.312"></a> |
| <FONT color="green">313</FONT> public String getPrefix (String uri)<a name="line.313"></a> |
| <FONT color="green">314</FONT> {<a name="line.314"></a> |
| <FONT color="green">315</FONT> return currentContext.getPrefix(uri);<a name="line.315"></a> |
| <FONT color="green">316</FONT> }<a name="line.316"></a> |
| <FONT color="green">317</FONT> <a name="line.317"></a> |
| <FONT color="green">318</FONT> <a name="line.318"></a> |
| <FONT color="green">319</FONT> /**<a name="line.319"></a> |
| <FONT color="green">320</FONT> * Return an enumeration of all prefixes currently declared for a URI.<a name="line.320"></a> |
| <FONT color="green">321</FONT> *<a name="line.321"></a> |
| <FONT color="green">322</FONT> * <p>This method returns prefixes mapped to a specific Namespace<a name="line.322"></a> |
| <FONT color="green">323</FONT> * URI. The xml: prefix will be included. If you want only one<a name="line.323"></a> |
| <FONT color="green">324</FONT> * prefix that's mapped to the Namespace URI, and you don't care <a name="line.324"></a> |
| <FONT color="green">325</FONT> * which one you get, use the {@link #getPrefix getPrefix}<a name="line.325"></a> |
| <FONT color="green">326</FONT> * method instead.</p><a name="line.326"></a> |
| <FONT color="green">327</FONT> *<a name="line.327"></a> |
| <FONT color="green">328</FONT> * <p><strong>Note:</strong> the empty (default) prefix is<a name="line.328"></a> |
| <FONT color="green">329</FONT> * <em>never</em> included in this enumeration; to check for the<a name="line.329"></a> |
| <FONT color="green">330</FONT> * presence of a default Namespace, use the {@link #getURI getURI}<a name="line.330"></a> |
| <FONT color="green">331</FONT> * method with an argument of "".</p><a name="line.331"></a> |
| <FONT color="green">332</FONT> *<a name="line.332"></a> |
| <FONT color="green">333</FONT> * @param uri The Namespace URI.<a name="line.333"></a> |
| <FONT color="green">334</FONT> * @return An enumeration of all prefixes declared in the<a name="line.334"></a> |
| <FONT color="green">335</FONT> * current context.<a name="line.335"></a> |
| <FONT color="green">336</FONT> * @see #getPrefix<a name="line.336"></a> |
| <FONT color="green">337</FONT> * @see #getDeclaredPrefixes<a name="line.337"></a> |
| <FONT color="green">338</FONT> * @see #getURI */<a name="line.338"></a> |
| <FONT color="green">339</FONT> public Enumeration getPrefixes (String uri)<a name="line.339"></a> |
| <FONT color="green">340</FONT> {<a name="line.340"></a> |
| <FONT color="green">341</FONT> // JJK: The old code involved creating a vector, filling it<a name="line.341"></a> |
| <FONT color="green">342</FONT> // with all the matching prefixes, and then getting its<a name="line.342"></a> |
| <FONT color="green">343</FONT> // elements enumerator. Wastes storage, wastes cycles if we<a name="line.343"></a> |
| <FONT color="green">344</FONT> // don't actually need them all. Better to either implement<a name="line.344"></a> |
| <FONT color="green">345</FONT> // a specific enumerator for these prefixes... or a filter<a name="line.345"></a> |
| <FONT color="green">346</FONT> // around the all-prefixes enumerator, which comes out to<a name="line.346"></a> |
| <FONT color="green">347</FONT> // roughly the same thing.<a name="line.347"></a> |
| <FONT color="green">348</FONT> //<a name="line.348"></a> |
| <FONT color="green">349</FONT> // **** Currently a filter. That may not be most efficient<a name="line.349"></a> |
| <FONT color="green">350</FONT> // when I'm done restructuring storage!<a name="line.350"></a> |
| <FONT color="green">351</FONT> return new PrefixForUriEnumerator(this,uri,getPrefixes()); <a name="line.351"></a> |
| <FONT color="green">352</FONT> }<a name="line.352"></a> |
| <FONT color="green">353</FONT> <a name="line.353"></a> |
| <FONT color="green">354</FONT> <a name="line.354"></a> |
| <FONT color="green">355</FONT> /**<a name="line.355"></a> |
| <FONT color="green">356</FONT> * Return an enumeration of all prefixes declared in this context.<a name="line.356"></a> |
| <FONT color="green">357</FONT> *<a name="line.357"></a> |
| <FONT color="green">358</FONT> * <p>The empty (default) prefix will be included in this <a name="line.358"></a> |
| <FONT color="green">359</FONT> * enumeration; note that this behaviour differs from that of<a name="line.359"></a> |
| <FONT color="green">360</FONT> * {@link #getPrefix} and {@link #getPrefixes}.</p><a name="line.360"></a> |
| <FONT color="green">361</FONT> *<a name="line.361"></a> |
| <FONT color="green">362</FONT> * @return An enumeration of all prefixes declared in this<a name="line.362"></a> |
| <FONT color="green">363</FONT> * context.<a name="line.363"></a> |
| <FONT color="green">364</FONT> * @see #getPrefixes<a name="line.364"></a> |
| <FONT color="green">365</FONT> * @see #getURI<a name="line.365"></a> |
| <FONT color="green">366</FONT> */<a name="line.366"></a> |
| <FONT color="green">367</FONT> public Enumeration getDeclaredPrefixes ()<a name="line.367"></a> |
| <FONT color="green">368</FONT> {<a name="line.368"></a> |
| <FONT color="green">369</FONT> return currentContext.getDeclaredPrefixes();<a name="line.369"></a> |
| <FONT color="green">370</FONT> }<a name="line.370"></a> |
| <FONT color="green">371</FONT> <a name="line.371"></a> |
| <FONT color="green">372</FONT> <a name="line.372"></a> |
| <FONT color="green">373</FONT> <a name="line.373"></a> |
| <FONT color="green">374</FONT> }<a name="line.374"></a> |
| <FONT color="green">375</FONT> <a name="line.375"></a> |
| <FONT color="green">376</FONT> ////////////////////////////////////////////////////////////////////<a name="line.376"></a> |
| <FONT color="green">377</FONT> // Local classes.<a name="line.377"></a> |
| <FONT color="green">378</FONT> // These were _internal_ classes... but in fact they don't have to be,<a name="line.378"></a> |
| <FONT color="green">379</FONT> // and may be more efficient if they aren't. <a name="line.379"></a> |
| <FONT color="green">380</FONT> ////////////////////////////////////////////////////////////////////<a name="line.380"></a> |
| <FONT color="green">381</FONT> <a name="line.381"></a> |
| <FONT color="green">382</FONT> /**<a name="line.382"></a> |
| <FONT color="green">383</FONT> * Implementation of Enumeration filter, wrapped<a name="line.383"></a> |
| <FONT color="green">384</FONT> * aroung the get-all-prefixes version of the operation. This is NOT<a name="line.384"></a> |
| <FONT color="green">385</FONT> * necessarily the most efficient approach; finding the URI and then asking<a name="line.385"></a> |
| <FONT color="green">386</FONT> * what prefixes apply to it might make much more sense.<a name="line.386"></a> |
| <FONT color="green">387</FONT> */<a name="line.387"></a> |
| <FONT color="green">388</FONT> class PrefixForUriEnumerator implements Enumeration<a name="line.388"></a> |
| <FONT color="green">389</FONT> {<a name="line.389"></a> |
| <FONT color="green">390</FONT> private Enumeration allPrefixes;<a name="line.390"></a> |
| <FONT color="green">391</FONT> private String uri;<a name="line.391"></a> |
| <FONT color="green">392</FONT> private String lookahead=null;<a name="line.392"></a> |
| <FONT color="green">393</FONT> private NamespaceSupport2 nsup;<a name="line.393"></a> |
| <FONT color="green">394</FONT> <a name="line.394"></a> |
| <FONT color="green">395</FONT> // Kluge: Since one can't do a constructor on an<a name="line.395"></a> |
| <FONT color="green">396</FONT> // anonymous class (as far as I know)...<a name="line.396"></a> |
| <FONT color="green">397</FONT> PrefixForUriEnumerator(NamespaceSupport2 nsup,String uri, Enumeration allPrefixes)<a name="line.397"></a> |
| <FONT color="green">398</FONT> {<a name="line.398"></a> |
| <FONT color="green">399</FONT> this.nsup=nsup;<a name="line.399"></a> |
| <FONT color="green">400</FONT> this.uri=uri;<a name="line.400"></a> |
| <FONT color="green">401</FONT> this.allPrefixes=allPrefixes;<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> public boolean hasMoreElements()<a name="line.404"></a> |
| <FONT color="green">405</FONT> {<a name="line.405"></a> |
| <FONT color="green">406</FONT> if(lookahead!=null)<a name="line.406"></a> |
| <FONT color="green">407</FONT> return true;<a name="line.407"></a> |
| <FONT color="green">408</FONT> <a name="line.408"></a> |
| <FONT color="green">409</FONT> while(allPrefixes.hasMoreElements())<a name="line.409"></a> |
| <FONT color="green">410</FONT> {<a name="line.410"></a> |
| <FONT color="green">411</FONT> String prefix=(String)allPrefixes.nextElement();<a name="line.411"></a> |
| <FONT color="green">412</FONT> if(uri.equals(nsup.getURI(prefix)))<a name="line.412"></a> |
| <FONT color="green">413</FONT> {<a name="line.413"></a> |
| <FONT color="green">414</FONT> lookahead=prefix;<a name="line.414"></a> |
| <FONT color="green">415</FONT> return true;<a name="line.415"></a> |
| <FONT color="green">416</FONT> }<a name="line.416"></a> |
| <FONT color="green">417</FONT> }<a name="line.417"></a> |
| <FONT color="green">418</FONT> return false;<a name="line.418"></a> |
| <FONT color="green">419</FONT> }<a name="line.419"></a> |
| <FONT color="green">420</FONT> <a name="line.420"></a> |
| <FONT color="green">421</FONT> public Object nextElement()<a name="line.421"></a> |
| <FONT color="green">422</FONT> {<a name="line.422"></a> |
| <FONT color="green">423</FONT> if(hasMoreElements())<a name="line.423"></a> |
| <FONT color="green">424</FONT> {<a name="line.424"></a> |
| <FONT color="green">425</FONT> String tmp=lookahead;<a name="line.425"></a> |
| <FONT color="green">426</FONT> lookahead=null;<a name="line.426"></a> |
| <FONT color="green">427</FONT> return tmp;<a name="line.427"></a> |
| <FONT color="green">428</FONT> }<a name="line.428"></a> |
| <FONT color="green">429</FONT> else<a name="line.429"></a> |
| <FONT color="green">430</FONT> throw new java.util.NoSuchElementException();<a name="line.430"></a> |
| <FONT color="green">431</FONT> }<a name="line.431"></a> |
| <FONT color="green">432</FONT> }<a name="line.432"></a> |
| <FONT color="green">433</FONT> <a name="line.433"></a> |
| <FONT color="green">434</FONT> /**<a name="line.434"></a> |
| <FONT color="green">435</FONT> * Internal class for a single Namespace context.<a name="line.435"></a> |
| <FONT color="green">436</FONT> *<a name="line.436"></a> |
| <FONT color="green">437</FONT> * <p>This module caches and reuses Namespace contexts, so the number allocated<a name="line.437"></a> |
| <FONT color="green">438</FONT> * will be equal to the element depth of the document, not to the total<a name="line.438"></a> |
| <FONT color="green">439</FONT> * number of elements (i.e. 5-10 rather than tens of thousands).</p><a name="line.439"></a> |
| <FONT color="green">440</FONT> */<a name="line.440"></a> |
| <FONT color="green">441</FONT> final class Context2 {<a name="line.441"></a> |
| <FONT color="green">442</FONT> <a name="line.442"></a> |
| <FONT color="green">443</FONT> ////////////////////////////////////////////////////////////////<a name="line.443"></a> |
| <FONT color="green">444</FONT> // Manefest Constants<a name="line.444"></a> |
| <FONT color="green">445</FONT> ////////////////////////////////////////////////////////////////<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> * An empty enumeration.<a name="line.448"></a> |
| <FONT color="green">449</FONT> */<a name="line.449"></a> |
| <FONT color="green">450</FONT> private final static Enumeration EMPTY_ENUMERATION =<a name="line.450"></a> |
| <FONT color="green">451</FONT> new Vector().elements();<a name="line.451"></a> |
| <FONT color="green">452</FONT> <a name="line.452"></a> |
| <FONT color="green">453</FONT> ////////////////////////////////////////////////////////////////<a name="line.453"></a> |
| <FONT color="green">454</FONT> // Protected state.<a name="line.454"></a> |
| <FONT color="green">455</FONT> ////////////////////////////////////////////////////////////////<a name="line.455"></a> |
| <FONT color="green">456</FONT> <a name="line.456"></a> |
| <FONT color="green">457</FONT> Hashtable prefixTable;<a name="line.457"></a> |
| <FONT color="green">458</FONT> Hashtable uriTable;<a name="line.458"></a> |
| <FONT color="green">459</FONT> Hashtable elementNameTable;<a name="line.459"></a> |
| <FONT color="green">460</FONT> Hashtable attributeNameTable;<a name="line.460"></a> |
| <FONT color="green">461</FONT> String defaultNS = null;<a name="line.461"></a> |
| <FONT color="green">462</FONT> <a name="line.462"></a> |
| <FONT color="green">463</FONT> ////////////////////////////////////////////////////////////////<a name="line.463"></a> |
| <FONT color="green">464</FONT> // Internal state.<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> private Vector declarations = null;<a name="line.467"></a> |
| <FONT color="green">468</FONT> private boolean tablesDirty = false;<a name="line.468"></a> |
| <FONT color="green">469</FONT> private Context2 parent = null;<a name="line.469"></a> |
| <FONT color="green">470</FONT> private Context2 child = null;<a name="line.470"></a> |
| <FONT color="green">471</FONT> <a name="line.471"></a> |
| <FONT color="green">472</FONT> /**<a name="line.472"></a> |
| <FONT color="green">473</FONT> * Create a new Namespace context.<a name="line.473"></a> |
| <FONT color="green">474</FONT> */<a name="line.474"></a> |
| <FONT color="green">475</FONT> Context2 (Context2 parent)<a name="line.475"></a> |
| <FONT color="green">476</FONT> {<a name="line.476"></a> |
| <FONT color="green">477</FONT> if(parent==null)<a name="line.477"></a> |
| <FONT color="green">478</FONT> {<a name="line.478"></a> |
| <FONT color="green">479</FONT> prefixTable = new Hashtable();<a name="line.479"></a> |
| <FONT color="green">480</FONT> uriTable = new Hashtable();<a name="line.480"></a> |
| <FONT color="green">481</FONT> elementNameTable=null; <a name="line.481"></a> |
| <FONT color="green">482</FONT> attributeNameTable=null; <a name="line.482"></a> |
| <FONT color="green">483</FONT> }<a name="line.483"></a> |
| <FONT color="green">484</FONT> else<a name="line.484"></a> |
| <FONT color="green">485</FONT> setParent(parent);<a name="line.485"></a> |
| <FONT color="green">486</FONT> }<a name="line.486"></a> |
| <FONT color="green">487</FONT> <a name="line.487"></a> |
| <FONT color="green">488</FONT> <a name="line.488"></a> |
| <FONT color="green">489</FONT> /**<a name="line.489"></a> |
| <FONT color="green">490</FONT> * @returns The child Namespace context object, or null if this<a name="line.490"></a> |
| <FONT color="green">491</FONT> * is the last currently on the chain.<a name="line.491"></a> |
| <FONT color="green">492</FONT> */<a name="line.492"></a> |
| <FONT color="green">493</FONT> Context2 getChild()<a name="line.493"></a> |
| <FONT color="green">494</FONT> {<a name="line.494"></a> |
| <FONT color="green">495</FONT> return child;<a name="line.495"></a> |
| <FONT color="green">496</FONT> }<a name="line.496"></a> |
| <FONT color="green">497</FONT> <a name="line.497"></a> |
| <FONT color="green">498</FONT> /**<a name="line.498"></a> |
| <FONT color="green">499</FONT> * @returns The parent Namespace context object, or null if this<a name="line.499"></a> |
| <FONT color="green">500</FONT> * is the root.<a name="line.500"></a> |
| <FONT color="green">501</FONT> */<a name="line.501"></a> |
| <FONT color="green">502</FONT> Context2 getParent()<a name="line.502"></a> |
| <FONT color="green">503</FONT> {<a name="line.503"></a> |
| <FONT color="green">504</FONT> return parent;<a name="line.504"></a> |
| <FONT color="green">505</FONT> }<a name="line.505"></a> |
| <FONT color="green">506</FONT> <a name="line.506"></a> |
| <FONT color="green">507</FONT> /**<a name="line.507"></a> |
| <FONT color="green">508</FONT> * (Re)set the parent of this Namespace context.<a name="line.508"></a> |
| <FONT color="green">509</FONT> * This is separate from the c'tor because it's re-applied<a name="line.509"></a> |
| <FONT color="green">510</FONT> * when a Context2 is reused by push-after-pop.<a name="line.510"></a> |
| <FONT color="green">511</FONT> *<a name="line.511"></a> |
| <FONT color="green">512</FONT> * @param context The parent Namespace context object.<a name="line.512"></a> |
| <FONT color="green">513</FONT> */<a name="line.513"></a> |
| <FONT color="green">514</FONT> void setParent (Context2 parent)<a name="line.514"></a> |
| <FONT color="green">515</FONT> {<a name="line.515"></a> |
| <FONT color="green">516</FONT> this.parent = parent;<a name="line.516"></a> |
| <FONT color="green">517</FONT> parent.child = this; // JJK: Doubly-linked<a name="line.517"></a> |
| <FONT color="green">518</FONT> declarations = null;<a name="line.518"></a> |
| <FONT color="green">519</FONT> prefixTable = parent.prefixTable;<a name="line.519"></a> |
| <FONT color="green">520</FONT> uriTable = parent.uriTable;<a name="line.520"></a> |
| <FONT color="green">521</FONT> elementNameTable = parent.elementNameTable;<a name="line.521"></a> |
| <FONT color="green">522</FONT> attributeNameTable = parent.attributeNameTable;<a name="line.522"></a> |
| <FONT color="green">523</FONT> defaultNS = parent.defaultNS;<a name="line.523"></a> |
| <FONT color="green">524</FONT> tablesDirty = false;<a name="line.524"></a> |
| <FONT color="green">525</FONT> }<a name="line.525"></a> |
| <FONT color="green">526</FONT> <a name="line.526"></a> |
| <FONT color="green">527</FONT> <a name="line.527"></a> |
| <FONT color="green">528</FONT> /**<a name="line.528"></a> |
| <FONT color="green">529</FONT> * Declare a Namespace prefix for this context.<a name="line.529"></a> |
| <FONT color="green">530</FONT> *<a name="line.530"></a> |
| <FONT color="green">531</FONT> * @param prefix The prefix to declare.<a name="line.531"></a> |
| <FONT color="green">532</FONT> * @param uri The associated Namespace URI.<a name="line.532"></a> |
| <FONT color="green">533</FONT> * @see org.xml.sax.helpers.NamespaceSupport2#declarePrefix<a name="line.533"></a> |
| <FONT color="green">534</FONT> */<a name="line.534"></a> |
| <FONT color="green">535</FONT> void declarePrefix (String prefix, String uri)<a name="line.535"></a> |
| <FONT color="green">536</FONT> {<a name="line.536"></a> |
| <FONT color="green">537</FONT> // Lazy processing...<a name="line.537"></a> |
| <FONT color="green">538</FONT> if (!tablesDirty) {<a name="line.538"></a> |
| <FONT color="green">539</FONT> copyTables();<a name="line.539"></a> |
| <FONT color="green">540</FONT> }<a name="line.540"></a> |
| <FONT color="green">541</FONT> if (declarations == null) {<a name="line.541"></a> |
| <FONT color="green">542</FONT> declarations = new Vector();<a name="line.542"></a> |
| <FONT color="green">543</FONT> }<a name="line.543"></a> |
| <FONT color="green">544</FONT> <a name="line.544"></a> |
| <FONT color="green">545</FONT> prefix = prefix.intern();<a name="line.545"></a> |
| <FONT color="green">546</FONT> uri = uri.intern();<a name="line.546"></a> |
| <FONT color="green">547</FONT> if ("".equals(prefix)) {<a name="line.547"></a> |
| <FONT color="green">548</FONT> if ("".equals(uri)) {<a name="line.548"></a> |
| <FONT color="green">549</FONT> defaultNS = null;<a name="line.549"></a> |
| <FONT color="green">550</FONT> } else {<a name="line.550"></a> |
| <FONT color="green">551</FONT> defaultNS = uri;<a name="line.551"></a> |
| <FONT color="green">552</FONT> }<a name="line.552"></a> |
| <FONT color="green">553</FONT> } else {<a name="line.553"></a> |
| <FONT color="green">554</FONT> prefixTable.put(prefix, uri);<a name="line.554"></a> |
| <FONT color="green">555</FONT> uriTable.put(uri, prefix); // may wipe out another prefix<a name="line.555"></a> |
| <FONT color="green">556</FONT> }<a name="line.556"></a> |
| <FONT color="green">557</FONT> declarations.addElement(prefix);<a name="line.557"></a> |
| <FONT color="green">558</FONT> }<a name="line.558"></a> |
| <FONT color="green">559</FONT> <a name="line.559"></a> |
| <FONT color="green">560</FONT> <a name="line.560"></a> |
| <FONT color="green">561</FONT> /**<a name="line.561"></a> |
| <FONT color="green">562</FONT> * Process a raw XML 1.0 name in this context.<a name="line.562"></a> |
| <FONT color="green">563</FONT> *<a name="line.563"></a> |
| <FONT color="green">564</FONT> * @param qName The raw XML 1.0 name.<a name="line.564"></a> |
| <FONT color="green">565</FONT> * @param isAttribute true if this is an attribute name.<a name="line.565"></a> |
| <FONT color="green">566</FONT> * @return An array of three strings containing the<a name="line.566"></a> |
| <FONT color="green">567</FONT> * URI part (or empty string), the local part,<a name="line.567"></a> |
| <FONT color="green">568</FONT> * and the raw name, all internalized, or null<a name="line.568"></a> |
| <FONT color="green">569</FONT> * if there is an undeclared prefix.<a name="line.569"></a> |
| <FONT color="green">570</FONT> * @see org.xml.sax.helpers.NamespaceSupport2#processName<a name="line.570"></a> |
| <FONT color="green">571</FONT> */<a name="line.571"></a> |
| <FONT color="green">572</FONT> String [] processName (String qName, boolean isAttribute)<a name="line.572"></a> |
| <FONT color="green">573</FONT> {<a name="line.573"></a> |
| <FONT color="green">574</FONT> String name[];<a name="line.574"></a> |
| <FONT color="green">575</FONT> Hashtable table;<a name="line.575"></a> |
| <FONT color="green">576</FONT> <a name="line.576"></a> |
| <FONT color="green">577</FONT> // Select the appropriate table.<a name="line.577"></a> |
| <FONT color="green">578</FONT> if (isAttribute) {<a name="line.578"></a> |
| <FONT color="green">579</FONT> if(elementNameTable==null)<a name="line.579"></a> |
| <FONT color="green">580</FONT> elementNameTable=new Hashtable();<a name="line.580"></a> |
| <FONT color="green">581</FONT> table = elementNameTable;<a name="line.581"></a> |
| <FONT color="green">582</FONT> } else {<a name="line.582"></a> |
| <FONT color="green">583</FONT> if(attributeNameTable==null)<a name="line.583"></a> |
| <FONT color="green">584</FONT> attributeNameTable=new Hashtable();<a name="line.584"></a> |
| <FONT color="green">585</FONT> table = attributeNameTable;<a name="line.585"></a> |
| <FONT color="green">586</FONT> }<a name="line.586"></a> |
| <FONT color="green">587</FONT> <a name="line.587"></a> |
| <FONT color="green">588</FONT> // Start by looking in the cache, and<a name="line.588"></a> |
| <FONT color="green">589</FONT> // return immediately if the name<a name="line.589"></a> |
| <FONT color="green">590</FONT> // is already known in this content<a name="line.590"></a> |
| <FONT color="green">591</FONT> name = (String[])table.get(qName);<a name="line.591"></a> |
| <FONT color="green">592</FONT> if (name != null) {<a name="line.592"></a> |
| <FONT color="green">593</FONT> return name;<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> // We haven't seen this name in this<a name="line.596"></a> |
| <FONT color="green">597</FONT> // context before.<a name="line.597"></a> |
| <FONT color="green">598</FONT> name = new String[3];<a name="line.598"></a> |
| <FONT color="green">599</FONT> int index = qName.indexOf(':');<a name="line.599"></a> |
| <FONT color="green">600</FONT> <a name="line.600"></a> |
| <FONT color="green">601</FONT> <a name="line.601"></a> |
| <FONT color="green">602</FONT> // No prefix.<a name="line.602"></a> |
| <FONT color="green">603</FONT> if (index == -1) {<a name="line.603"></a> |
| <FONT color="green">604</FONT> if (isAttribute || defaultNS == null) {<a name="line.604"></a> |
| <FONT color="green">605</FONT> name[0] = "";<a name="line.605"></a> |
| <FONT color="green">606</FONT> } else {<a name="line.606"></a> |
| <FONT color="green">607</FONT> name[0] = defaultNS;<a name="line.607"></a> |
| <FONT color="green">608</FONT> }<a name="line.608"></a> |
| <FONT color="green">609</FONT> name[1] = qName.intern();<a name="line.609"></a> |
| <FONT color="green">610</FONT> name[2] = name[1];<a name="line.610"></a> |
| <FONT color="green">611</FONT> }<a name="line.611"></a> |
| <FONT color="green">612</FONT> <a name="line.612"></a> |
| <FONT color="green">613</FONT> // Prefix<a name="line.613"></a> |
| <FONT color="green">614</FONT> else {<a name="line.614"></a> |
| <FONT color="green">615</FONT> String prefix = qName.substring(0, index);<a name="line.615"></a> |
| <FONT color="green">616</FONT> String local = qName.substring(index+1);<a name="line.616"></a> |
| <FONT color="green">617</FONT> String uri;<a name="line.617"></a> |
| <FONT color="green">618</FONT> if ("".equals(prefix)) {<a name="line.618"></a> |
| <FONT color="green">619</FONT> uri = defaultNS;<a name="line.619"></a> |
| <FONT color="green">620</FONT> } else {<a name="line.620"></a> |
| <FONT color="green">621</FONT> uri = (String)prefixTable.get(prefix);<a name="line.621"></a> |
| <FONT color="green">622</FONT> }<a name="line.622"></a> |
| <FONT color="green">623</FONT> if (uri == null) {<a name="line.623"></a> |
| <FONT color="green">624</FONT> return null;<a name="line.624"></a> |
| <FONT color="green">625</FONT> }<a name="line.625"></a> |
| <FONT color="green">626</FONT> name[0] = uri;<a name="line.626"></a> |
| <FONT color="green">627</FONT> name[1] = local.intern();<a name="line.627"></a> |
| <FONT color="green">628</FONT> name[2] = qName.intern();<a name="line.628"></a> |
| <FONT color="green">629</FONT> }<a name="line.629"></a> |
| <FONT color="green">630</FONT> <a name="line.630"></a> |
| <FONT color="green">631</FONT> // Save in the cache for future use.<a name="line.631"></a> |
| <FONT color="green">632</FONT> table.put(name[2], name);<a name="line.632"></a> |
| <FONT color="green">633</FONT> tablesDirty = true;<a name="line.633"></a> |
| <FONT color="green">634</FONT> return name;<a name="line.634"></a> |
| <FONT color="green">635</FONT> }<a name="line.635"></a> |
| <FONT color="green">636</FONT> <a name="line.636"></a> |
| <FONT color="green">637</FONT> <a name="line.637"></a> |
| <FONT color="green">638</FONT> /**<a name="line.638"></a> |
| <FONT color="green">639</FONT> * Look up the URI associated with a prefix in this context.<a name="line.639"></a> |
| <FONT color="green">640</FONT> *<a name="line.640"></a> |
| <FONT color="green">641</FONT> * @param prefix The prefix to look up.<a name="line.641"></a> |
| <FONT color="green">642</FONT> * @return The associated Namespace URI, or null if none is<a name="line.642"></a> |
| <FONT color="green">643</FONT> * declared. <a name="line.643"></a> |
| <FONT color="green">644</FONT> * @see org.xml.sax.helpers.NamespaceSupport2#getURI<a name="line.644"></a> |
| <FONT color="green">645</FONT> */<a name="line.645"></a> |
| <FONT color="green">646</FONT> String getURI (String prefix)<a name="line.646"></a> |
| <FONT color="green">647</FONT> {<a name="line.647"></a> |
| <FONT color="green">648</FONT> if ("".equals(prefix)) {<a name="line.648"></a> |
| <FONT color="green">649</FONT> return defaultNS;<a name="line.649"></a> |
| <FONT color="green">650</FONT> } else if (prefixTable == null) {<a name="line.650"></a> |
| <FONT color="green">651</FONT> return null;<a name="line.651"></a> |
| <FONT color="green">652</FONT> } else {<a name="line.652"></a> |
| <FONT color="green">653</FONT> return (String)prefixTable.get(prefix);<a name="line.653"></a> |
| <FONT color="green">654</FONT> }<a name="line.654"></a> |
| <FONT color="green">655</FONT> }<a name="line.655"></a> |
| <FONT color="green">656</FONT> <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> * Look up one of the prefixes associated with a URI in this context.<a name="line.659"></a> |
| <FONT color="green">660</FONT> *<a name="line.660"></a> |
| <FONT color="green">661</FONT> * <p>Since many prefixes may be mapped to the same URI,<a name="line.661"></a> |
| <FONT color="green">662</FONT> * the return value may be unreliable.</p><a name="line.662"></a> |
| <FONT color="green">663</FONT> *<a name="line.663"></a> |
| <FONT color="green">664</FONT> * @param uri The URI to look up.<a name="line.664"></a> |
| <FONT color="green">665</FONT> * @return The associated prefix, or null if none is declared.<a name="line.665"></a> |
| <FONT color="green">666</FONT> * @see org.xml.sax.helpers.NamespaceSupport2#getPrefix<a name="line.666"></a> |
| <FONT color="green">667</FONT> */<a name="line.667"></a> |
| <FONT color="green">668</FONT> String getPrefix (String uri)<a name="line.668"></a> |
| <FONT color="green">669</FONT> {<a name="line.669"></a> |
| <FONT color="green">670</FONT> if (uriTable == null) {<a name="line.670"></a> |
| <FONT color="green">671</FONT> return null;<a name="line.671"></a> |
| <FONT color="green">672</FONT> } else {<a name="line.672"></a> |
| <FONT color="green">673</FONT> return (String)uriTable.get(uri);<a name="line.673"></a> |
| <FONT color="green">674</FONT> }<a name="line.674"></a> |
| <FONT color="green">675</FONT> }<a name="line.675"></a> |
| <FONT color="green">676</FONT> <a name="line.676"></a> |
| <FONT color="green">677</FONT> <a name="line.677"></a> |
| <FONT color="green">678</FONT> /**<a name="line.678"></a> |
| <FONT color="green">679</FONT> * Return an enumeration of prefixes declared in this context.<a name="line.679"></a> |
| <FONT color="green">680</FONT> *<a name="line.680"></a> |
| <FONT color="green">681</FONT> * @return An enumeration of prefixes (possibly empty).<a name="line.681"></a> |
| <FONT color="green">682</FONT> * @see org.xml.sax.helpers.NamespaceSupport2#getDeclaredPrefixes<a name="line.682"></a> |
| <FONT color="green">683</FONT> */<a name="line.683"></a> |
| <FONT color="green">684</FONT> Enumeration getDeclaredPrefixes ()<a name="line.684"></a> |
| <FONT color="green">685</FONT> {<a name="line.685"></a> |
| <FONT color="green">686</FONT> if (declarations == null) {<a name="line.686"></a> |
| <FONT color="green">687</FONT> return EMPTY_ENUMERATION;<a name="line.687"></a> |
| <FONT color="green">688</FONT> } else {<a name="line.688"></a> |
| <FONT color="green">689</FONT> return declarations.elements();<a name="line.689"></a> |
| <FONT color="green">690</FONT> }<a name="line.690"></a> |
| <FONT color="green">691</FONT> }<a name="line.691"></a> |
| <FONT color="green">692</FONT> <a name="line.692"></a> |
| <FONT color="green">693</FONT> <a name="line.693"></a> |
| <FONT color="green">694</FONT> /**<a name="line.694"></a> |
| <FONT color="green">695</FONT> * Return an enumeration of all prefixes currently in force.<a name="line.695"></a> |
| <FONT color="green">696</FONT> *<a name="line.696"></a> |
| <FONT color="green">697</FONT> * <p>The default prefix, if in force, is <em>not</em><a name="line.697"></a> |
| <FONT color="green">698</FONT> * returned, and will have to be checked for separately.</p><a name="line.698"></a> |
| <FONT color="green">699</FONT> *<a name="line.699"></a> |
| <FONT color="green">700</FONT> * @return An enumeration of prefixes (never empty).<a name="line.700"></a> |
| <FONT color="green">701</FONT> * @see org.xml.sax.helpers.NamespaceSupport2#getPrefixes<a name="line.701"></a> |
| <FONT color="green">702</FONT> */<a name="line.702"></a> |
| <FONT color="green">703</FONT> Enumeration getPrefixes ()<a name="line.703"></a> |
| <FONT color="green">704</FONT> {<a name="line.704"></a> |
| <FONT color="green">705</FONT> if (prefixTable == null) {<a name="line.705"></a> |
| <FONT color="green">706</FONT> return EMPTY_ENUMERATION;<a name="line.706"></a> |
| <FONT color="green">707</FONT> } else {<a name="line.707"></a> |
| <FONT color="green">708</FONT> return prefixTable.keys();<a name="line.708"></a> |
| <FONT color="green">709</FONT> }<a name="line.709"></a> |
| <FONT color="green">710</FONT> }<a name="line.710"></a> |
| <FONT color="green">711</FONT> <a name="line.711"></a> |
| <FONT color="green">712</FONT> ////////////////////////////////////////////////////////////////<a name="line.712"></a> |
| <FONT color="green">713</FONT> // Internal methods.<a name="line.713"></a> |
| <FONT color="green">714</FONT> ////////////////////////////////////////////////////////////////<a name="line.714"></a> |
| <FONT color="green">715</FONT> <a name="line.715"></a> |
| <FONT color="green">716</FONT> /**<a name="line.716"></a> |
| <FONT color="green">717</FONT> * Copy on write for the internal tables in this context.<a name="line.717"></a> |
| <FONT color="green">718</FONT> *<a name="line.718"></a> |
| <FONT color="green">719</FONT> * <p>This class is optimized for the normal case where most<a name="line.719"></a> |
| <FONT color="green">720</FONT> * elements do not contain Namespace declarations. In that case,<a name="line.720"></a> |
| <FONT color="green">721</FONT> * the Context2 will share data structures with its parent.<a name="line.721"></a> |
| <FONT color="green">722</FONT> * New tables are obtained only when new declarations are issued,<a name="line.722"></a> |
| <FONT color="green">723</FONT> * so they can be popped off the stack.</p><a name="line.723"></a> |
| <FONT color="green">724</FONT> *<a name="line.724"></a> |
| <FONT color="green">725</FONT> * <p> JJK: **** Alternative: each Context2 might declare<a name="line.725"></a> |
| <FONT color="green">726</FONT> * _only_ its local bindings, and delegate upward if not found.</p><a name="line.726"></a> |
| <FONT color="green">727</FONT> */ <a name="line.727"></a> |
| <FONT color="green">728</FONT> private void copyTables ()<a name="line.728"></a> |
| <FONT color="green">729</FONT> {<a name="line.729"></a> |
| <FONT color="green">730</FONT> // Start by copying our parent's bindings<a name="line.730"></a> |
| <FONT color="green">731</FONT> prefixTable = (Hashtable)prefixTable.clone();<a name="line.731"></a> |
| <FONT color="green">732</FONT> uriTable = (Hashtable)uriTable.clone();<a name="line.732"></a> |
| <FONT color="green">733</FONT> <a name="line.733"></a> |
| <FONT color="green">734</FONT> // Replace the caches with empty ones, rather than<a name="line.734"></a> |
| <FONT color="green">735</FONT> // trying to determine which bindings should be flushed.<a name="line.735"></a> |
| <FONT color="green">736</FONT> // As far as I can tell, these caches are never actually<a name="line.736"></a> |
| <FONT color="green">737</FONT> // used in Xalan... More efficient to remove the whole<a name="line.737"></a> |
| <FONT color="green">738</FONT> // cache system? ****<a name="line.738"></a> |
| <FONT color="green">739</FONT> if(elementNameTable!=null)<a name="line.739"></a> |
| <FONT color="green">740</FONT> elementNameTable=new Hashtable(); <a name="line.740"></a> |
| <FONT color="green">741</FONT> if(attributeNameTable!=null)<a name="line.741"></a> |
| <FONT color="green">742</FONT> attributeNameTable=new Hashtable(); <a name="line.742"></a> |
| <FONT color="green">743</FONT> tablesDirty = true;<a name="line.743"></a> |
| <FONT color="green">744</FONT> }<a name="line.744"></a> |
| <FONT color="green">745</FONT> <a name="line.745"></a> |
| <FONT color="green">746</FONT> }<a name="line.746"></a> |
| <FONT color="green">747</FONT> <a name="line.747"></a> |
| <FONT color="green">748</FONT> <a name="line.748"></a> |
| <FONT color="green">749</FONT> // end of NamespaceSupport2.java<a name="line.749"></a> |
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