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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: XSLTProcessorApplet.java 1225408 2011-12-29 01:11:41Z 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.client;<a name="line.21"></a> |
| <FONT color="green">022</FONT> <a name="line.22"></a> |
| <FONT color="green">023</FONT> import java.applet.Applet;<a name="line.23"></a> |
| <FONT color="green">024</FONT> import java.awt.Graphics;<a name="line.24"></a> |
| <FONT color="green">025</FONT> import java.io.IOException;<a name="line.25"></a> |
| <FONT color="green">026</FONT> import java.io.PrintWriter;<a name="line.26"></a> |
| <FONT color="green">027</FONT> import java.io.StringReader;<a name="line.27"></a> |
| <FONT color="green">028</FONT> import java.io.StringWriter;<a name="line.28"></a> |
| <FONT color="green">029</FONT> import java.net.MalformedURLException;<a name="line.29"></a> |
| <FONT color="green">030</FONT> import java.net.URL;<a name="line.30"></a> |
| <FONT color="green">031</FONT> import java.util.Hashtable;<a name="line.31"></a> |
| <FONT color="green">032</FONT> import java.util.Iterator;<a name="line.32"></a> |
| <FONT color="green">033</FONT> import java.util.Map;<a name="line.33"></a> |
| <FONT color="green">034</FONT> <a name="line.34"></a> |
| <FONT color="green">035</FONT> import javax.xml.transform.Templates;<a name="line.35"></a> |
| <FONT color="green">036</FONT> import javax.xml.transform.Transformer;<a name="line.36"></a> |
| <FONT color="green">037</FONT> import javax.xml.transform.TransformerConfigurationException;<a name="line.37"></a> |
| <FONT color="green">038</FONT> import javax.xml.transform.TransformerException;<a name="line.38"></a> |
| <FONT color="green">039</FONT> import javax.xml.transform.TransformerFactory;<a name="line.39"></a> |
| <FONT color="green">040</FONT> import javax.xml.transform.stream.StreamResult;<a name="line.40"></a> |
| <FONT color="green">041</FONT> import javax.xml.transform.stream.StreamSource;<a name="line.41"></a> |
| <FONT color="green">042</FONT> <a name="line.42"></a> |
| <FONT color="green">043</FONT> import org.apache.xalan.res.XSLMessages;<a name="line.43"></a> |
| <FONT color="green">044</FONT> import org.apache.xalan.res.XSLTErrorResources;<a name="line.44"></a> |
| <FONT color="green">045</FONT> <a name="line.45"></a> |
| <FONT color="green">046</FONT> /**<a name="line.46"></a> |
| <FONT color="green">047</FONT> * Provides applet host for the XSLT processor. To perform transformations on an HTML client:<a name="line.47"></a> |
| <FONT color="green">048</FONT> * <ol><a name="line.48"></a> |
| <FONT color="green">049</FONT> * <li>Use an &lt;applet&gt; tag to embed this applet in the HTML client.</li><a name="line.49"></a> |
| <FONT color="green">050</FONT> * <li>Use the DocumentURL and StyleURL PARAM tags or the {@link #setDocumentURL} and<a name="line.50"></a> |
| <FONT color="green">051</FONT> * {@link #setStyleURL} methods to specify the XML source document and XSL stylesheet.</li><a name="line.51"></a> |
| <FONT color="green">052</FONT> * <li>Call the {@link #getHtmlText} method (or one of the transformToHtml() methods)<a name="line.52"></a> |
| <FONT color="green">053</FONT> * to perform the transformation and return the result as a String.</li><a name="line.53"></a> |
| <FONT color="green">054</FONT> * </ol><a name="line.54"></a> |
| <FONT color="green">055</FONT> * <a name="line.55"></a> |
| <FONT color="green">056</FONT> * This class extends Applet which ultimately causes this class to implement Serializable.<a name="line.56"></a> |
| <FONT color="green">057</FONT> * This is a serious restriction on this class. All fields that are not transient and not<a name="line.57"></a> |
| <FONT color="green">058</FONT> * static are written-out/read-in during serialization. So even private fields essentially<a name="line.58"></a> |
| <FONT color="green">059</FONT> * become part of the API. Developers need to take care when modifying fields.<a name="line.59"></a> |
| <FONT color="green">060</FONT> * @xsl.usage general<a name="line.60"></a> |
| <FONT color="green">061</FONT> */<a name="line.61"></a> |
| <FONT color="green">062</FONT> public class XSLTProcessorApplet extends Applet<a name="line.62"></a> |
| <FONT color="green">063</FONT> {<a name="line.63"></a> |
| <FONT color="green">064</FONT> <a name="line.64"></a> |
| <FONT color="green">065</FONT> /**<a name="line.65"></a> |
| <FONT color="green">066</FONT> * The stylesheet processor.<a name="line.66"></a> |
| <FONT color="green">067</FONT> * This field is now transient because a <a name="line.67"></a> |
| <FONT color="green">068</FONT> * javax.xml.transform.TransformerFactory from JAXP <a name="line.68"></a> |
| <FONT color="green">069</FONT> * makes no claims to be serializable.<a name="line.69"></a> |
| <FONT color="green">070</FONT> */<a name="line.70"></a> |
| <FONT color="green">071</FONT> transient TransformerFactory m_tfactory = null;<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> * @serial<a name="line.74"></a> |
| <FONT color="green">075</FONT> */<a name="line.75"></a> |
| <FONT color="green">076</FONT> private String m_styleURL;<a name="line.76"></a> |
| <FONT color="green">077</FONT> <a name="line.77"></a> |
| <FONT color="green">078</FONT> /**<a name="line.78"></a> |
| <FONT color="green">079</FONT> * @serial<a name="line.79"></a> |
| <FONT color="green">080</FONT> */<a name="line.80"></a> |
| <FONT color="green">081</FONT> private String m_documentURL;<a name="line.81"></a> |
| <FONT color="green">082</FONT> <a name="line.82"></a> |
| <FONT color="green">083</FONT> // Parameter names. To change a name of a parameter, you need only make<a name="line.83"></a> |
| <FONT color="green">084</FONT> // a single change. Simply modify the value of the parameter string below.<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> * @serial<a name="line.88"></a> |
| <FONT color="green">089</FONT> */<a name="line.89"></a> |
| <FONT color="green">090</FONT> private final String PARAM_styleURL = "styleURL";<a name="line.90"></a> |
| <FONT color="green">091</FONT> <a name="line.91"></a> |
| <FONT color="green">092</FONT> /**<a name="line.92"></a> |
| <FONT color="green">093</FONT> * @serial<a name="line.93"></a> |
| <FONT color="green">094</FONT> */<a name="line.94"></a> |
| <FONT color="green">095</FONT> private final String PARAM_documentURL = "documentURL";<a name="line.95"></a> |
| <FONT color="green">096</FONT> <a name="line.96"></a> |
| <FONT color="green">097</FONT> <a name="line.97"></a> |
| <FONT color="green">098</FONT> // We'll keep the DOM trees around, so tell which trees<a name="line.98"></a> |
| <FONT color="green">099</FONT> // are cached.<a name="line.99"></a> |
| <FONT color="green">100</FONT> <a name="line.100"></a> |
| <FONT color="green">101</FONT> /**<a name="line.101"></a> |
| <FONT color="green">102</FONT> * @serial<a name="line.102"></a> |
| <FONT color="green">103</FONT> */<a name="line.103"></a> |
| <FONT color="green">104</FONT> private String m_styleURLOfCached = null;<a name="line.104"></a> |
| <FONT color="green">105</FONT> <a name="line.105"></a> |
| <FONT color="green">106</FONT> /**<a name="line.106"></a> |
| <FONT color="green">107</FONT> * @serial<a name="line.107"></a> |
| <FONT color="green">108</FONT> */<a name="line.108"></a> |
| <FONT color="green">109</FONT> private String m_documentURLOfCached = null;<a name="line.109"></a> |
| <FONT color="green">110</FONT> <a name="line.110"></a> |
| <FONT color="green">111</FONT> /**<a name="line.111"></a> |
| <FONT color="green">112</FONT> * Save this for use on the worker thread; may not be necessary.<a name="line.112"></a> |
| <FONT color="green">113</FONT> * @serial<a name="line.113"></a> |
| <FONT color="green">114</FONT> */<a name="line.114"></a> |
| <FONT color="green">115</FONT> private URL m_codeBase = null;<a name="line.115"></a> |
| <FONT color="green">116</FONT> <a name="line.116"></a> |
| <FONT color="green">117</FONT> /**<a name="line.117"></a> |
| <FONT color="green">118</FONT> * @serial<a name="line.118"></a> |
| <FONT color="green">119</FONT> */<a name="line.119"></a> |
| <FONT color="green">120</FONT> private String m_treeURL = null;<a name="line.120"></a> |
| <FONT color="green">121</FONT> <a name="line.121"></a> |
| <FONT color="green">122</FONT> /** <a name="line.122"></a> |
| <FONT color="green">123</FONT> * DocumentBase URL<a name="line.123"></a> |
| <FONT color="green">124</FONT> * @serial <a name="line.124"></a> |
| <FONT color="green">125</FONT> */<a name="line.125"></a> |
| <FONT color="green">126</FONT> private URL m_documentBase = null;<a name="line.126"></a> |
| <FONT color="green">127</FONT> <a name="line.127"></a> |
| <FONT color="green">128</FONT> /**<a name="line.128"></a> |
| <FONT color="green">129</FONT> * Thread stuff for the trusted worker thread.<a name="line.129"></a> |
| <FONT color="green">130</FONT> */<a name="line.130"></a> |
| <FONT color="green">131</FONT> transient private Thread m_callThread = null;<a name="line.131"></a> |
| <FONT color="green">132</FONT> <a name="line.132"></a> |
| <FONT color="green">133</FONT> /**<a name="line.133"></a> |
| <FONT color="green">134</FONT> */<a name="line.134"></a> |
| <FONT color="green">135</FONT> transient private TrustedAgent m_trustedAgent = null;<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> * Thread for running TrustedAgent.<a name="line.138"></a> |
| <FONT color="green">139</FONT> */<a name="line.139"></a> |
| <FONT color="green">140</FONT> transient private Thread m_trustedWorker = null;<a name="line.140"></a> |
| <FONT color="green">141</FONT> <a name="line.141"></a> |
| <FONT color="green">142</FONT> /**<a name="line.142"></a> |
| <FONT color="green">143</FONT> * Where the worker thread puts the HTML text.<a name="line.143"></a> |
| <FONT color="green">144</FONT> */<a name="line.144"></a> |
| <FONT color="green">145</FONT> transient private String m_htmlText = null;<a name="line.145"></a> |
| <FONT color="green">146</FONT> <a name="line.146"></a> |
| <FONT color="green">147</FONT> /**<a name="line.147"></a> |
| <FONT color="green">148</FONT> * Where the worker thread puts the document/stylesheet text.<a name="line.148"></a> |
| <FONT color="green">149</FONT> */<a name="line.149"></a> |
| <FONT color="green">150</FONT> transient private String m_sourceText = null;<a name="line.150"></a> |
| <FONT color="green">151</FONT> <a name="line.151"></a> |
| <FONT color="green">152</FONT> /**<a name="line.152"></a> |
| <FONT color="green">153</FONT> * Stylesheet attribute name and value that the caller can set.<a name="line.153"></a> |
| <FONT color="green">154</FONT> */<a name="line.154"></a> |
| <FONT color="green">155</FONT> transient private String m_nameOfIDAttrOfElemToModify = null;<a name="line.155"></a> |
| <FONT color="green">156</FONT> <a name="line.156"></a> |
| <FONT color="green">157</FONT> /**<a name="line.157"></a> |
| <FONT color="green">158</FONT> */<a name="line.158"></a> |
| <FONT color="green">159</FONT> transient private String m_elemIdToModify = null;<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> transient private String m_attrNameToSet = null;<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> transient private String m_attrValueToSet = null;<a name="line.167"></a> |
| <FONT color="green">168</FONT> <a name="line.168"></a> |
| <FONT color="green">169</FONT> /**<a name="line.169"></a> |
| <FONT color="green">170</FONT> * The XSLTProcessorApplet constructor takes no arguments.<a name="line.170"></a> |
| <FONT color="green">171</FONT> */<a name="line.171"></a> |
| <FONT color="green">172</FONT> public XSLTProcessorApplet(){}<a name="line.172"></a> |
| <FONT color="green">173</FONT> <a name="line.173"></a> |
| <FONT color="green">174</FONT> /**<a name="line.174"></a> |
| <FONT color="green">175</FONT> * Get basic information about the applet<a name="line.175"></a> |
| <FONT color="green">176</FONT> * @return A String with the applet name and author.<a name="line.176"></a> |
| <FONT color="green">177</FONT> */<a name="line.177"></a> |
| <FONT color="green">178</FONT> public String getAppletInfo()<a name="line.178"></a> |
| <FONT color="green">179</FONT> {<a name="line.179"></a> |
| <FONT color="green">180</FONT> return "Name: XSLTProcessorApplet\r\n" + "Author: Scott Boag";<a name="line.180"></a> |
| <FONT color="green">181</FONT> }<a name="line.181"></a> |
| <FONT color="green">182</FONT> <a name="line.182"></a> |
| <FONT color="green">183</FONT> /**<a name="line.183"></a> |
| <FONT color="green">184</FONT> * Get descriptions of the applet parameters.<a name="line.184"></a> |
| <FONT color="green">185</FONT> * @return A two-dimensional array of Strings with Name, Type, and Description<a name="line.185"></a> |
| <FONT color="green">186</FONT> * for each parameter.<a name="line.186"></a> |
| <FONT color="green">187</FONT> */<a name="line.187"></a> |
| <FONT color="green">188</FONT> public String[][] getParameterInfo()<a name="line.188"></a> |
| <FONT color="green">189</FONT> {<a name="line.189"></a> |
| <FONT color="green">190</FONT> <a name="line.190"></a> |
| <FONT color="green">191</FONT> String[][] info =<a name="line.191"></a> |
| <FONT color="green">192</FONT> {<a name="line.192"></a> |
| <FONT color="green">193</FONT> { PARAM_styleURL, "String", "URL to an XSL stylesheet" },<a name="line.193"></a> |
| <FONT color="green">194</FONT> { PARAM_documentURL, "String", "URL to an XML document" },<a name="line.194"></a> |
| <FONT color="green">195</FONT> };<a name="line.195"></a> |
| <FONT color="green">196</FONT> <a name="line.196"></a> |
| <FONT color="green">197</FONT> return info;<a name="line.197"></a> |
| <FONT color="green">198</FONT> }<a name="line.198"></a> |
| <FONT color="green">199</FONT> <a name="line.199"></a> |
| <FONT color="green">200</FONT> /**<a name="line.200"></a> |
| <FONT color="green">201</FONT> * Standard applet initialization.<a name="line.201"></a> |
| <FONT color="green">202</FONT> */<a name="line.202"></a> |
| <FONT color="green">203</FONT> public void init()<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> // PARAMETER SUPPORT<a name="line.206"></a> |
| <FONT color="green">207</FONT> // The following code retrieves the value of each parameter<a name="line.207"></a> |
| <FONT color="green">208</FONT> // specified with the <PARAM> tag and stores it in a member<a name="line.208"></a> |
| <FONT color="green">209</FONT> // variable.<a name="line.209"></a> |
| <FONT color="green">210</FONT> //----------------------------------------------------------------------<a name="line.210"></a> |
| <FONT color="green">211</FONT> String param;<a name="line.211"></a> |
| <FONT color="green">212</FONT> <a name="line.212"></a> |
| <FONT color="green">213</FONT> // styleURL: Parameter description<a name="line.213"></a> |
| <FONT color="green">214</FONT> //----------------------------------------------------------------------<a name="line.214"></a> |
| <FONT color="green">215</FONT> param = getParameter(PARAM_styleURL);<a name="line.215"></a> |
| <FONT color="green">216</FONT> <a name="line.216"></a> |
| <FONT color="green">217</FONT> // stylesheet parameters<a name="line.217"></a> |
| <FONT color="green">218</FONT> m_parameters = new Hashtable();<a name="line.218"></a> |
| <FONT color="green">219</FONT> <a name="line.219"></a> |
| <FONT color="green">220</FONT> if (param != null)<a name="line.220"></a> |
| <FONT color="green">221</FONT> setStyleURL(param);<a name="line.221"></a> |
| <FONT color="green">222</FONT> <a name="line.222"></a> |
| <FONT color="green">223</FONT> // documentURL: Parameter description<a name="line.223"></a> |
| <FONT color="green">224</FONT> //----------------------------------------------------------------------<a name="line.224"></a> |
| <FONT color="green">225</FONT> param = getParameter(PARAM_documentURL);<a name="line.225"></a> |
| <FONT color="green">226</FONT> <a name="line.226"></a> |
| <FONT color="green">227</FONT> if (param != null)<a name="line.227"></a> |
| <FONT color="green">228</FONT> setDocumentURL(param);<a name="line.228"></a> |
| <FONT color="green">229</FONT> <a name="line.229"></a> |
| <FONT color="green">230</FONT> m_codeBase = this.getCodeBase();<a name="line.230"></a> |
| <FONT color="green">231</FONT> m_documentBase = this.getDocumentBase();<a name="line.231"></a> |
| <FONT color="green">232</FONT> <a name="line.232"></a> |
| <FONT color="green">233</FONT> // If you use a ResourceWizard-generated "control creator" class to<a name="line.233"></a> |
| <FONT color="green">234</FONT> // arrange controls in your applet, you may want to call its<a name="line.234"></a> |
| <FONT color="green">235</FONT> // CreateControls() method from within this method. Remove the following<a name="line.235"></a> |
| <FONT color="green">236</FONT> // call to resize() before adding the call to CreateControls();<a name="line.236"></a> |
| <FONT color="green">237</FONT> // CreateControls() does its own resizing.<a name="line.237"></a> |
| <FONT color="green">238</FONT> //----------------------------------------------------------------------<a name="line.238"></a> |
| <FONT color="green">239</FONT> resize(320, 240);<a name="line.239"></a> |
| <FONT color="green">240</FONT> }<a name="line.240"></a> |
| <FONT color="green">241</FONT> <a name="line.241"></a> |
| <FONT color="green">242</FONT> /**<a name="line.242"></a> |
| <FONT color="green">243</FONT> * Automatically called when the HTML client containing the applet loads.<a name="line.243"></a> |
| <FONT color="green">244</FONT> * This method starts execution of the applet thread.<a name="line.244"></a> |
| <FONT color="green">245</FONT> */<a name="line.245"></a> |
| <FONT color="green">246</FONT> public void start()<a name="line.246"></a> |
| <FONT color="green">247</FONT> {<a name="line.247"></a> |
| <FONT color="green">248</FONT> <a name="line.248"></a> |
| <FONT color="green">249</FONT> m_trustedAgent = new TrustedAgent();<a name="line.249"></a> |
| <FONT color="green">250</FONT> Thread currentThread = Thread.currentThread();<a name="line.250"></a> |
| <FONT color="green">251</FONT> m_trustedWorker = new Thread(currentThread.getThreadGroup(),<a name="line.251"></a> |
| <FONT color="green">252</FONT> m_trustedAgent);<a name="line.252"></a> |
| <FONT color="green">253</FONT> m_trustedWorker.start();<a name="line.253"></a> |
| <FONT color="green">254</FONT> try<a name="line.254"></a> |
| <FONT color="green">255</FONT> {<a name="line.255"></a> |
| <FONT color="green">256</FONT> m_tfactory = TransformerFactory.newInstance();<a name="line.256"></a> |
| <FONT color="green">257</FONT> this.showStatus("Causing Transformer and Parser to Load and JIT...");<a name="line.257"></a> |
| <FONT color="green">258</FONT> <a name="line.258"></a> |
| <FONT color="green">259</FONT> // Prime the pump so that subsequent transforms are faster.<a name="line.259"></a> |
| <FONT color="green">260</FONT> StringReader xmlbuf = new StringReader("<?xml version='1.0'?><foo/>");<a name="line.260"></a> |
| <FONT color="green">261</FONT> StringReader xslbuf = new StringReader(<a name="line.261"></a> |
| <FONT color="green">262</FONT> "<?xml version='1.0'?><xsl:stylesheet xmlns:xsl='http://www.w3.org/1999/XSL/Transform' version='1.0'><xsl:template match='foo'><out/></xsl:template></xsl:stylesheet>");<a name="line.262"></a> |
| <FONT color="green">263</FONT> PrintWriter pw = new PrintWriter(new StringWriter());<a name="line.263"></a> |
| <FONT color="green">264</FONT> <a name="line.264"></a> |
| <FONT color="green">265</FONT> synchronized (m_tfactory)<a name="line.265"></a> |
| <FONT color="green">266</FONT> {<a name="line.266"></a> |
| <FONT color="green">267</FONT> Templates templates = m_tfactory.newTemplates(new StreamSource(xslbuf));<a name="line.267"></a> |
| <FONT color="green">268</FONT> Transformer transformer = templates.newTransformer();<a name="line.268"></a> |
| <FONT color="green">269</FONT> transformer.transform(new StreamSource(xmlbuf), new StreamResult(pw));<a name="line.269"></a> |
| <FONT color="green">270</FONT> }<a name="line.270"></a> |
| <FONT color="green">271</FONT> System.out.println("Primed the pump!");<a name="line.271"></a> |
| <FONT color="green">272</FONT> this.showStatus("Ready to go!");<a name="line.272"></a> |
| <FONT color="green">273</FONT> }<a name="line.273"></a> |
| <FONT color="green">274</FONT> catch (Exception e)<a name="line.274"></a> |
| <FONT color="green">275</FONT> {<a name="line.275"></a> |
| <FONT color="green">276</FONT> this.showStatus("Could not prime the pump!");<a name="line.276"></a> |
| <FONT color="green">277</FONT> System.out.println("Could not prime the pump!");<a name="line.277"></a> |
| <FONT color="green">278</FONT> e.printStackTrace();<a name="line.278"></a> |
| <FONT color="green">279</FONT> }<a name="line.279"></a> |
| <FONT color="green">280</FONT> }<a name="line.280"></a> |
| <FONT color="green">281</FONT> <a name="line.281"></a> |
| <FONT color="green">282</FONT> /**<a name="line.282"></a> |
| <FONT color="green">283</FONT> * Do not call; this applet contains no UI or visual components.<a name="line.283"></a> |
| <FONT color="green">284</FONT> *<a name="line.284"></a> |
| <FONT color="green">285</FONT> */<a name="line.285"></a> |
| <FONT color="green">286</FONT> public void paint(Graphics g){} <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> * Automatically called when the HTML page containing the applet is no longer<a name="line.289"></a> |
| <FONT color="green">290</FONT> * on the screen. Stops execution of the applet thread.<a name="line.290"></a> |
| <FONT color="green">291</FONT> */<a name="line.291"></a> |
| <FONT color="green">292</FONT> public void stop()<a name="line.292"></a> |
| <FONT color="green">293</FONT> {<a name="line.293"></a> |
| <FONT color="green">294</FONT> if (null != m_trustedWorker)<a name="line.294"></a> |
| <FONT color="green">295</FONT> {<a name="line.295"></a> |
| <FONT color="green">296</FONT> m_trustedWorker.stop();<a name="line.296"></a> |
| <FONT color="green">297</FONT> <a name="line.297"></a> |
| <FONT color="green">298</FONT> // m_trustedWorker.destroy();<a name="line.298"></a> |
| <FONT color="green">299</FONT> m_trustedWorker = null;<a name="line.299"></a> |
| <FONT color="green">300</FONT> }<a name="line.300"></a> |
| <FONT color="green">301</FONT> <a name="line.301"></a> |
| <FONT color="green">302</FONT> m_styleURLOfCached = null;<a name="line.302"></a> |
| <FONT color="green">303</FONT> m_documentURLOfCached = null;<a name="line.303"></a> |
| <FONT color="green">304</FONT> } <a name="line.304"></a> |
| <FONT color="green">305</FONT> <a name="line.305"></a> |
| <FONT color="green">306</FONT> /**<a name="line.306"></a> |
| <FONT color="green">307</FONT> * Cleanup; called when applet is terminated and unloaded.<a name="line.307"></a> |
| <FONT color="green">308</FONT> */<a name="line.308"></a> |
| <FONT color="green">309</FONT> public void destroy()<a name="line.309"></a> |
| <FONT color="green">310</FONT> {<a name="line.310"></a> |
| <FONT color="green">311</FONT> if (null != m_trustedWorker)<a name="line.311"></a> |
| <FONT color="green">312</FONT> {<a name="line.312"></a> |
| <FONT color="green">313</FONT> m_trustedWorker.stop();<a name="line.313"></a> |
| <FONT color="green">314</FONT> <a name="line.314"></a> |
| <FONT color="green">315</FONT> // m_trustedWorker.destroy();<a name="line.315"></a> |
| <FONT color="green">316</FONT> m_trustedWorker = null;<a name="line.316"></a> |
| <FONT color="green">317</FONT> }<a name="line.317"></a> |
| <FONT color="green">318</FONT> m_styleURLOfCached = null;<a name="line.318"></a> |
| <FONT color="green">319</FONT> m_documentURLOfCached = null;<a name="line.319"></a> |
| <FONT color="green">320</FONT> }<a name="line.320"></a> |
| <FONT color="green">321</FONT> <a name="line.321"></a> |
| <FONT color="green">322</FONT> /**<a name="line.322"></a> |
| <FONT color="green">323</FONT> * Set the URL to the XSL stylesheet that will be used<a name="line.323"></a> |
| <FONT color="green">324</FONT> * to transform the input XML. No processing is done yet.<a name="line.324"></a> |
| <FONT color="green">325</FONT> * @param urlString valid URL string for XSL stylesheet.<a name="line.325"></a> |
| <FONT color="green">326</FONT> */<a name="line.326"></a> |
| <FONT color="green">327</FONT> public void setStyleURL(String urlString)<a name="line.327"></a> |
| <FONT color="green">328</FONT> {<a name="line.328"></a> |
| <FONT color="green">329</FONT> m_styleURL = urlString;<a name="line.329"></a> |
| <FONT color="green">330</FONT> }<a name="line.330"></a> |
| <FONT color="green">331</FONT> <a name="line.331"></a> |
| <FONT color="green">332</FONT> /**<a name="line.332"></a> |
| <FONT color="green">333</FONT> * Set the URL to the XML document that will be transformed<a name="line.333"></a> |
| <FONT color="green">334</FONT> * with the XSL stylesheet. No processing is done yet.<a name="line.334"></a> |
| <FONT color="green">335</FONT> * @param urlString valid URL string for XML document.<a name="line.335"></a> |
| <FONT color="green">336</FONT> */<a name="line.336"></a> |
| <FONT color="green">337</FONT> public void setDocumentURL(String urlString)<a name="line.337"></a> |
| <FONT color="green">338</FONT> {<a name="line.338"></a> |
| <FONT color="green">339</FONT> m_documentURL = urlString;<a name="line.339"></a> |
| <FONT color="green">340</FONT> }<a name="line.340"></a> |
| <FONT color="green">341</FONT> <a name="line.341"></a> |
| <FONT color="green">342</FONT> /**<a name="line.342"></a> |
| <FONT color="green">343</FONT> * The processor keeps a cache of the source and<a name="line.343"></a> |
| <FONT color="green">344</FONT> * style trees, so call this method if they have changed<a name="line.344"></a> |
| <FONT color="green">345</FONT> * or you want to do garbage collection.<a name="line.345"></a> |
| <FONT color="green">346</FONT> */<a name="line.346"></a> |
| <FONT color="green">347</FONT> public void freeCache()<a name="line.347"></a> |
| <FONT color="green">348</FONT> {<a name="line.348"></a> |
| <FONT color="green">349</FONT> m_styleURLOfCached = null;<a name="line.349"></a> |
| <FONT color="green">350</FONT> m_documentURLOfCached = null;<a name="line.350"></a> |
| <FONT color="green">351</FONT> }<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> * Set an attribute in the stylesheet, which gives the ability<a name="line.354"></a> |
| <FONT color="green">355</FONT> * to have some dynamic selection control.<a name="line.355"></a> |
| <FONT color="green">356</FONT> * @param nameOfIDAttrOfElemToModify The name of an attribute to search for a unique id.<a name="line.356"></a> |
| <FONT color="green">357</FONT> * @param elemId The unique ID to look for.<a name="line.357"></a> |
| <FONT color="green">358</FONT> * @param attrName Once the element is found, the name of the attribute to set.<a name="line.358"></a> |
| <FONT color="green">359</FONT> * @param value The value to set the attribute to.<a name="line.359"></a> |
| <FONT color="green">360</FONT> */<a name="line.360"></a> |
| <FONT color="green">361</FONT> public void setStyleSheetAttribute(String nameOfIDAttrOfElemToModify,<a name="line.361"></a> |
| <FONT color="green">362</FONT> String elemId, String attrName,<a name="line.362"></a> |
| <FONT color="green">363</FONT> String value)<a name="line.363"></a> |
| <FONT color="green">364</FONT> {<a name="line.364"></a> |
| <FONT color="green">365</FONT> m_nameOfIDAttrOfElemToModify = nameOfIDAttrOfElemToModify;<a name="line.365"></a> |
| <FONT color="green">366</FONT> m_elemIdToModify = elemId;<a name="line.366"></a> |
| <FONT color="green">367</FONT> m_attrNameToSet = attrName;<a name="line.367"></a> |
| <FONT color="green">368</FONT> m_attrValueToSet = value;<a name="line.368"></a> |
| <FONT color="green">369</FONT> }<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> * Stylesheet parameter key/value pair stored in a hashtable<a name="line.373"></a> |
| <FONT color="green">374</FONT> */<a name="line.374"></a> |
| <FONT color="green">375</FONT> transient Hashtable m_parameters; <a name="line.375"></a> |
| <FONT color="green">376</FONT> <a name="line.376"></a> |
| <FONT color="green">377</FONT> /**<a name="line.377"></a> |
| <FONT color="green">378</FONT> * Submit a stylesheet parameter.<a name="line.378"></a> |
| <FONT color="green">379</FONT> *<a name="line.379"></a> |
| <FONT color="green">380</FONT> * @param key stylesheet parameter key<a name="line.380"></a> |
| <FONT color="green">381</FONT> * @param expr the parameter expression to be submitted.<a name="line.381"></a> |
| <FONT color="green">382</FONT> * @see javax.xml.transform.Transformer#setParameter(String,Object)<a name="line.382"></a> |
| <FONT color="green">383</FONT> */<a name="line.383"></a> |
| <FONT color="green">384</FONT> public void setStylesheetParam(String key, String expr)<a name="line.384"></a> |
| <FONT color="green">385</FONT> {<a name="line.385"></a> |
| <FONT color="green">386</FONT> m_parameters.put(key, expr);<a name="line.386"></a> |
| <FONT color="green">387</FONT> }<a name="line.387"></a> |
| <FONT color="green">388</FONT> <a name="line.388"></a> |
| <FONT color="green">389</FONT> /**<a name="line.389"></a> |
| <FONT color="green">390</FONT> * Given a String containing markup, escape the markup so it<a name="line.390"></a> |
| <FONT color="green">391</FONT> * can be displayed in the browser.<a name="line.391"></a> |
| <FONT color="green">392</FONT> *<a name="line.392"></a> |
| <FONT color="green">393</FONT> * @param s String to escape<a name="line.393"></a> |
| <FONT color="green">394</FONT> *<a name="line.394"></a> |
| <FONT color="green">395</FONT> * The escaped string.<a name="line.395"></a> |
| <FONT color="green">396</FONT> */<a name="line.396"></a> |
| <FONT color="green">397</FONT> public String escapeString(String s)<a name="line.397"></a> |
| <FONT color="green">398</FONT> {<a name="line.398"></a> |
| <FONT color="green">399</FONT> StringBuffer sb = new StringBuffer();<a name="line.399"></a> |
| <FONT color="green">400</FONT> int length = s.length();<a name="line.400"></a> |
| <FONT color="green">401</FONT> <a name="line.401"></a> |
| <FONT color="green">402</FONT> for (int i = 0; i < length; i++)<a name="line.402"></a> |
| <FONT color="green">403</FONT> {<a name="line.403"></a> |
| <FONT color="green">404</FONT> char ch = s.charAt(i);<a name="line.404"></a> |
| <FONT color="green">405</FONT> <a name="line.405"></a> |
| <FONT color="green">406</FONT> if ('<' == ch)<a name="line.406"></a> |
| <FONT color="green">407</FONT> {<a name="line.407"></a> |
| <FONT color="green">408</FONT> sb.append("&lt;");<a name="line.408"></a> |
| <FONT color="green">409</FONT> }<a name="line.409"></a> |
| <FONT color="green">410</FONT> else if ('>' == ch)<a name="line.410"></a> |
| <FONT color="green">411</FONT> {<a name="line.411"></a> |
| <FONT color="green">412</FONT> sb.append("&gt;");<a name="line.412"></a> |
| <FONT color="green">413</FONT> }<a name="line.413"></a> |
| <FONT color="green">414</FONT> else if ('&' == ch)<a name="line.414"></a> |
| <FONT color="green">415</FONT> {<a name="line.415"></a> |
| <FONT color="green">416</FONT> sb.append("&amp;");<a name="line.416"></a> |
| <FONT color="green">417</FONT> }<a name="line.417"></a> |
| <FONT color="green">418</FONT> else if (0xd800 <= ch && ch < 0xdc00)<a name="line.418"></a> |
| <FONT color="green">419</FONT> {<a name="line.419"></a> |
| <FONT color="green">420</FONT> // UTF-16 surrogate<a name="line.420"></a> |
| <FONT color="green">421</FONT> int next;<a name="line.421"></a> |
| <FONT color="green">422</FONT> <a name="line.422"></a> |
| <FONT color="green">423</FONT> if (i + 1 >= length)<a name="line.423"></a> |
| <FONT color="green">424</FONT> {<a name="line.424"></a> |
| <FONT color="green">425</FONT> throw new RuntimeException(<a name="line.425"></a> |
| <FONT color="green">426</FONT> XSLMessages.createMessage(<a name="line.426"></a> |
| <FONT color="green">427</FONT> XSLTErrorResources.ER_INVALID_UTF16_SURROGATE,<a name="line.427"></a> |
| <FONT color="green">428</FONT> new Object[]{ Integer.toHexString(ch) })); //"Invalid UTF-16 surrogate detected: "<a name="line.428"></a> |
| <FONT color="green">429</FONT> <a name="line.429"></a> |
| <FONT color="green">430</FONT> //+Integer.toHexString(ch)+ " ?");<a name="line.430"></a> |
| <FONT color="green">431</FONT> }<a name="line.431"></a> |
| <FONT color="green">432</FONT> else<a name="line.432"></a> |
| <FONT color="green">433</FONT> {<a name="line.433"></a> |
| <FONT color="green">434</FONT> next = s.charAt(++i);<a name="line.434"></a> |
| <FONT color="green">435</FONT> <a name="line.435"></a> |
| <FONT color="green">436</FONT> if (!(0xdc00 <= next && next < 0xe000))<a name="line.436"></a> |
| <FONT color="green">437</FONT> throw new RuntimeException(<a name="line.437"></a> |
| <FONT color="green">438</FONT> XSLMessages.createMessage(<a name="line.438"></a> |
| <FONT color="green">439</FONT> XSLTErrorResources.ER_INVALID_UTF16_SURROGATE,<a name="line.439"></a> |
| <FONT color="green">440</FONT> new Object[]{<a name="line.440"></a> |
| <FONT color="green">441</FONT> Integer.toHexString(ch) + " "<a name="line.441"></a> |
| <FONT color="green">442</FONT> + Integer.toHexString(next) })); //"Invalid UTF-16 surrogate detected: "<a name="line.442"></a> |
| <FONT color="green">443</FONT> <a name="line.443"></a> |
| <FONT color="green">444</FONT> //+Integer.toHexString(ch)+" "+Integer.toHexString(next));<a name="line.444"></a> |
| <FONT color="green">445</FONT> next = ((ch - 0xd800) << 10) + next - 0xdc00 + 0x00010000;<a name="line.445"></a> |
| <FONT color="green">446</FONT> }<a name="line.446"></a> |
| <FONT color="green">447</FONT> sb.append("&#x");<a name="line.447"></a> |
| <FONT color="green">448</FONT> sb.append(Integer.toHexString(next));<a name="line.448"></a> |
| <FONT color="green">449</FONT> sb.append(";");<a name="line.449"></a> |
| <FONT color="green">450</FONT> }<a name="line.450"></a> |
| <FONT color="green">451</FONT> else<a name="line.451"></a> |
| <FONT color="green">452</FONT> {<a name="line.452"></a> |
| <FONT color="green">453</FONT> sb.append(ch);<a name="line.453"></a> |
| <FONT color="green">454</FONT> }<a name="line.454"></a> |
| <FONT color="green">455</FONT> }<a name="line.455"></a> |
| <FONT color="green">456</FONT> return sb.toString();<a name="line.456"></a> |
| <FONT color="green">457</FONT> }<a name="line.457"></a> |
| <FONT color="green">458</FONT> <a name="line.458"></a> |
| <FONT color="green">459</FONT> /**<a name="line.459"></a> |
| <FONT color="green">460</FONT> * Assuming the stylesheet URL and the input XML URL have been set,<a name="line.460"></a> |
| <FONT color="green">461</FONT> * perform the transformation and return the result as a String.<a name="line.461"></a> |
| <FONT color="green">462</FONT> *<a name="line.462"></a> |
| <FONT color="green">463</FONT> * @return A string that contains the contents pointed to by the URL.<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> public String getHtmlText()<a name="line.466"></a> |
| <FONT color="green">467</FONT> {<a name="line.467"></a> |
| <FONT color="green">468</FONT> m_trustedAgent.m_getData = true;<a name="line.468"></a> |
| <FONT color="green">469</FONT> m_callThread = Thread.currentThread();<a name="line.469"></a> |
| <FONT color="green">470</FONT> try<a name="line.470"></a> |
| <FONT color="green">471</FONT> {<a name="line.471"></a> |
| <FONT color="green">472</FONT> synchronized (m_callThread)<a name="line.472"></a> |
| <FONT color="green">473</FONT> {<a name="line.473"></a> |
| <FONT color="green">474</FONT> m_callThread.wait();<a name="line.474"></a> |
| <FONT color="green">475</FONT> }<a name="line.475"></a> |
| <FONT color="green">476</FONT> }<a name="line.476"></a> |
| <FONT color="green">477</FONT> catch (InterruptedException ie)<a name="line.477"></a> |
| <FONT color="green">478</FONT> {<a name="line.478"></a> |
| <FONT color="green">479</FONT> System.out.println(ie.getMessage());<a name="line.479"></a> |
| <FONT color="green">480</FONT> }<a name="line.480"></a> |
| <FONT color="green">481</FONT> return m_htmlText;<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> /**<a name="line.484"></a> |
| <FONT color="green">485</FONT> * Get an XML document (or stylesheet)<a name="line.485"></a> |
| <FONT color="green">486</FONT> *<a name="line.486"></a> |
| <FONT color="green">487</FONT> * @param treeURL valid URL string for the document.<a name="line.487"></a> |
| <FONT color="green">488</FONT> *<a name="line.488"></a> |
| <FONT color="green">489</FONT> * @return document<a name="line.489"></a> |
| <FONT color="green">490</FONT> *<a name="line.490"></a> |
| <FONT color="green">491</FONT> * @throws IOException<a name="line.491"></a> |
| <FONT color="green">492</FONT> */<a name="line.492"></a> |
| <FONT color="green">493</FONT> public String getTreeAsText(String treeURL) throws IOException<a name="line.493"></a> |
| <FONT color="green">494</FONT> {<a name="line.494"></a> |
| <FONT color="green">495</FONT> m_treeURL = treeURL;<a name="line.495"></a> |
| <FONT color="green">496</FONT> m_trustedAgent.m_getData = true;<a name="line.496"></a> |
| <FONT color="green">497</FONT> m_trustedAgent.m_getSource = true;<a name="line.497"></a> |
| <FONT color="green">498</FONT> m_callThread = Thread.currentThread();<a name="line.498"></a> |
| <FONT color="green">499</FONT> try<a name="line.499"></a> |
| <FONT color="green">500</FONT> {<a name="line.500"></a> |
| <FONT color="green">501</FONT> synchronized (m_callThread)<a name="line.501"></a> |
| <FONT color="green">502</FONT> {<a name="line.502"></a> |
| <FONT color="green">503</FONT> m_callThread.wait();<a name="line.503"></a> |
| <FONT color="green">504</FONT> }<a name="line.504"></a> |
| <FONT color="green">505</FONT> }<a name="line.505"></a> |
| <FONT color="green">506</FONT> catch (InterruptedException ie)<a name="line.506"></a> |
| <FONT color="green">507</FONT> {<a name="line.507"></a> |
| <FONT color="green">508</FONT> System.out.println(ie.getMessage());<a name="line.508"></a> |
| <FONT color="green">509</FONT> }<a name="line.509"></a> |
| <FONT color="green">510</FONT> return m_sourceText;<a name="line.510"></a> |
| <FONT color="green">511</FONT> }<a name="line.511"></a> |
| <FONT color="green">512</FONT> <a name="line.512"></a> |
| <FONT color="green">513</FONT> /**<a name="line.513"></a> |
| <FONT color="green">514</FONT> * Use a Transformer to copy the source document<a name="line.514"></a> |
| <FONT color="green">515</FONT> * to a StreamResult.<a name="line.515"></a> |
| <FONT color="green">516</FONT> * <a name="line.516"></a> |
| <FONT color="green">517</FONT> * @return the document as a string<a name="line.517"></a> |
| <FONT color="green">518</FONT> */<a name="line.518"></a> |
| <FONT color="green">519</FONT> private String getSource() throws TransformerException<a name="line.519"></a> |
| <FONT color="green">520</FONT> {<a name="line.520"></a> |
| <FONT color="green">521</FONT> StringWriter osw = new StringWriter();<a name="line.521"></a> |
| <FONT color="green">522</FONT> PrintWriter pw = new PrintWriter(osw, false);<a name="line.522"></a> |
| <FONT color="green">523</FONT> String text = "";<a name="line.523"></a> |
| <FONT color="green">524</FONT> try<a name="line.524"></a> |
| <FONT color="green">525</FONT> {<a name="line.525"></a> |
| <FONT color="green">526</FONT> URL docURL = new URL(m_documentBase, m_treeURL);<a name="line.526"></a> |
| <FONT color="green">527</FONT> synchronized (m_tfactory)<a name="line.527"></a> |
| <FONT color="green">528</FONT> {<a name="line.528"></a> |
| <FONT color="green">529</FONT> Transformer transformer = m_tfactory.newTransformer();<a name="line.529"></a> |
| <FONT color="green">530</FONT> StreamSource source = new StreamSource(docURL.toString()); <a name="line.530"></a> |
| <FONT color="green">531</FONT> StreamResult result = new StreamResult(pw);<a name="line.531"></a> |
| <FONT color="green">532</FONT> transformer.transform(source, result);<a name="line.532"></a> |
| <FONT color="green">533</FONT> text = osw.toString();<a name="line.533"></a> |
| <FONT color="green">534</FONT> }<a name="line.534"></a> |
| <FONT color="green">535</FONT> }<a name="line.535"></a> |
| <FONT color="green">536</FONT> catch (MalformedURLException e)<a name="line.536"></a> |
| <FONT color="green">537</FONT> {<a name="line.537"></a> |
| <FONT color="green">538</FONT> e.printStackTrace();<a name="line.538"></a> |
| <FONT color="green">539</FONT> throw new RuntimeException(e.getMessage());<a name="line.539"></a> |
| <FONT color="green">540</FONT> } <a name="line.540"></a> |
| <FONT color="green">541</FONT> catch (Exception any_error)<a name="line.541"></a> |
| <FONT color="green">542</FONT> {<a name="line.542"></a> |
| <FONT color="green">543</FONT> any_error.printStackTrace();<a name="line.543"></a> |
| <FONT color="green">544</FONT> }<a name="line.544"></a> |
| <FONT color="green">545</FONT> return text;<a name="line.545"></a> |
| <FONT color="green">546</FONT> }<a name="line.546"></a> |
| <FONT color="green">547</FONT> <a name="line.547"></a> |
| <FONT color="green">548</FONT> /**<a name="line.548"></a> |
| <FONT color="green">549</FONT> * Get the XML source Tree as a text string suitable<a name="line.549"></a> |
| <FONT color="green">550</FONT> * for display in a browser. Note that this is for display of the<a name="line.550"></a> |
| <FONT color="green">551</FONT> * XML itself, not for rendering of HTML by the browser.<a name="line.551"></a> |
| <FONT color="green">552</FONT> *<a name="line.552"></a> |
| <FONT color="green">553</FONT> * @return XML source document as a string.<a name="line.553"></a> |
| <FONT color="green">554</FONT> * @throws Exception thrown if tree can not be converted.<a name="line.554"></a> |
| <FONT color="green">555</FONT> */<a name="line.555"></a> |
| <FONT color="green">556</FONT> public String getSourceTreeAsText() throws Exception<a name="line.556"></a> |
| <FONT color="green">557</FONT> {<a name="line.557"></a> |
| <FONT color="green">558</FONT> return getTreeAsText(m_documentURL);<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> * Get the XSL style Tree as a text string suitable<a name="line.562"></a> |
| <FONT color="green">563</FONT> * for display in a browser. Note that this is for display of the<a name="line.563"></a> |
| <FONT color="green">564</FONT> * XML itself, not for rendering of HTML by the browser.<a name="line.564"></a> |
| <FONT color="green">565</FONT> *<a name="line.565"></a> |
| <FONT color="green">566</FONT> * @return The XSL stylesheet as a string.<a name="line.566"></a> |
| <FONT color="green">567</FONT> * @throws Exception thrown if tree can not be converted.<a name="line.567"></a> |
| <FONT color="green">568</FONT> */<a name="line.568"></a> |
| <FONT color="green">569</FONT> public String getStyleTreeAsText() throws Exception<a name="line.569"></a> |
| <FONT color="green">570</FONT> {<a name="line.570"></a> |
| <FONT color="green">571</FONT> return getTreeAsText(m_styleURL);<a name="line.571"></a> |
| <FONT color="green">572</FONT> }<a name="line.572"></a> |
| <FONT color="green">573</FONT> <a name="line.573"></a> |
| <FONT color="green">574</FONT> /**<a name="line.574"></a> |
| <FONT color="green">575</FONT> * Get the HTML result Tree as a text string suitable<a name="line.575"></a> |
| <FONT color="green">576</FONT> * for display in a browser. Note that this is for display of the<a name="line.576"></a> |
| <FONT color="green">577</FONT> * XML itself, not for rendering of HTML by the browser.<a name="line.577"></a> |
| <FONT color="green">578</FONT> *<a name="line.578"></a> |
| <FONT color="green">579</FONT> * @return Transformation result as unmarked text.<a name="line.579"></a> |
| <FONT color="green">580</FONT> * @throws Exception thrown if tree can not be converted.<a name="line.580"></a> |
| <FONT color="green">581</FONT> */<a name="line.581"></a> |
| <FONT color="green">582</FONT> public String getResultTreeAsText() throws Exception<a name="line.582"></a> |
| <FONT color="green">583</FONT> {<a name="line.583"></a> |
| <FONT color="green">584</FONT> return escapeString(getHtmlText());<a name="line.584"></a> |
| <FONT color="green">585</FONT> }<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> * Process a document and a stylesheet and return<a name="line.588"></a> |
| <FONT color="green">589</FONT> * the transformation result. If one of these is null, the<a name="line.589"></a> |
| <FONT color="green">590</FONT> * existing value (of a previous transformation) is not affected.<a name="line.590"></a> |
| <FONT color="green">591</FONT> *<a name="line.591"></a> |
| <FONT color="green">592</FONT> * @param doc URL string to XML document<a name="line.592"></a> |
| <FONT color="green">593</FONT> * @param style URL string to XSL stylesheet<a name="line.593"></a> |
| <FONT color="green">594</FONT> *<a name="line.594"></a> |
| <FONT color="green">595</FONT> * @return HTML transformation result<a name="line.595"></a> |
| <FONT color="green">596</FONT> */<a name="line.596"></a> |
| <FONT color="green">597</FONT> public String transformToHtml(String doc, String style)<a name="line.597"></a> |
| <FONT color="green">598</FONT> {<a name="line.598"></a> |
| <FONT color="green">599</FONT> <a name="line.599"></a> |
| <FONT color="green">600</FONT> if (null != doc)<a name="line.600"></a> |
| <FONT color="green">601</FONT> {<a name="line.601"></a> |
| <FONT color="green">602</FONT> m_documentURL = doc;<a name="line.602"></a> |
| <FONT color="green">603</FONT> }<a name="line.603"></a> |
| <FONT color="green">604</FONT> <a name="line.604"></a> |
| <FONT color="green">605</FONT> if (null != style)<a name="line.605"></a> |
| <FONT color="green">606</FONT> {<a name="line.606"></a> |
| <FONT color="green">607</FONT> m_styleURL = style;<a name="line.607"></a> |
| <FONT color="green">608</FONT> }<a name="line.608"></a> |
| <FONT color="green">609</FONT> <a name="line.609"></a> |
| <FONT color="green">610</FONT> return getHtmlText();<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> /**<a name="line.613"></a> |
| <FONT color="green">614</FONT> * Process a document and a stylesheet and return<a name="line.614"></a> |
| <FONT color="green">615</FONT> * the transformation result. Use the xsl:stylesheet PI to find the<a name="line.615"></a> |
| <FONT color="green">616</FONT> * document, if one exists.<a name="line.616"></a> |
| <FONT color="green">617</FONT> *<a name="line.617"></a> |
| <FONT color="green">618</FONT> * @param doc URL string to XML document containing an xsl:stylesheet PI.<a name="line.618"></a> |
| <FONT color="green">619</FONT> *<a name="line.619"></a> |
| <FONT color="green">620</FONT> * @return HTML transformation result<a name="line.620"></a> |
| <FONT color="green">621</FONT> */<a name="line.621"></a> |
| <FONT color="green">622</FONT> public String transformToHtml(String doc)<a name="line.622"></a> |
| <FONT color="green">623</FONT> {<a name="line.623"></a> |
| <FONT color="green">624</FONT> <a name="line.624"></a> |
| <FONT color="green">625</FONT> if (null != doc)<a name="line.625"></a> |
| <FONT color="green">626</FONT> {<a name="line.626"></a> |
| <FONT color="green">627</FONT> m_documentURL = doc;<a name="line.627"></a> |
| <FONT color="green">628</FONT> }<a name="line.628"></a> |
| <FONT color="green">629</FONT> <a name="line.629"></a> |
| <FONT color="green">630</FONT> m_styleURL = null;<a name="line.630"></a> |
| <FONT color="green">631</FONT> <a name="line.631"></a> |
| <FONT color="green">632</FONT> return getHtmlText();<a name="line.632"></a> |
| <FONT color="green">633</FONT> }<a name="line.633"></a> |
| <FONT color="green">634</FONT> <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> * Process the transformation.<a name="line.637"></a> |
| <FONT color="green">638</FONT> *<a name="line.638"></a> |
| <FONT color="green">639</FONT> * @return The transformation result as a string.<a name="line.639"></a> |
| <FONT color="green">640</FONT> *<a name="line.640"></a> |
| <FONT color="green">641</FONT> * @throws TransformerException<a name="line.641"></a> |
| <FONT color="green">642</FONT> */<a name="line.642"></a> |
| <FONT color="green">643</FONT> private String processTransformation() throws TransformerException<a name="line.643"></a> |
| <FONT color="green">644</FONT> {<a name="line.644"></a> |
| <FONT color="green">645</FONT> String htmlData = null;<a name="line.645"></a> |
| <FONT color="green">646</FONT> this.showStatus("Waiting for Transformer and Parser to finish loading and JITing...");<a name="line.646"></a> |
| <FONT color="green">647</FONT> <a name="line.647"></a> |
| <FONT color="green">648</FONT> synchronized (m_tfactory)<a name="line.648"></a> |
| <FONT color="green">649</FONT> {<a name="line.649"></a> |
| <FONT color="green">650</FONT> URL documentURL = null;<a name="line.650"></a> |
| <FONT color="green">651</FONT> URL styleURL = null;<a name="line.651"></a> |
| <FONT color="green">652</FONT> StringWriter osw = new StringWriter();<a name="line.652"></a> |
| <FONT color="green">653</FONT> PrintWriter pw = new PrintWriter(osw, false);<a name="line.653"></a> |
| <FONT color="green">654</FONT> StreamResult result = new StreamResult(pw);<a name="line.654"></a> |
| <FONT color="green">655</FONT> <a name="line.655"></a> |
| <FONT color="green">656</FONT> this.showStatus("Begin Transformation...");<a name="line.656"></a> |
| <FONT color="green">657</FONT> try<a name="line.657"></a> |
| <FONT color="green">658</FONT> {<a name="line.658"></a> |
| <FONT color="green">659</FONT> documentURL = new URL(m_codeBase, m_documentURL);<a name="line.659"></a> |
| <FONT color="green">660</FONT> StreamSource xmlSource = new StreamSource(documentURL.toString());<a name="line.660"></a> |
| <FONT color="green">661</FONT> <a name="line.661"></a> |
| <FONT color="green">662</FONT> styleURL = new URL(m_codeBase, m_styleURL);<a name="line.662"></a> |
| <FONT color="green">663</FONT> StreamSource xslSource = new StreamSource(styleURL.toString());<a name="line.663"></a> |
| <FONT color="green">664</FONT> <a name="line.664"></a> |
| <FONT color="green">665</FONT> Transformer transformer = m_tfactory.newTransformer(xslSource);<a name="line.665"></a> |
| <FONT color="green">666</FONT> <a name="line.666"></a> |
| <FONT color="green">667</FONT> Iterator m_entries = m_parameters.entrySet().iterator();<a name="line.667"></a> |
| <FONT color="green">668</FONT> while (m_entries.hasNext()) {<a name="line.668"></a> |
| <FONT color="green">669</FONT> Map.Entry entry = (Map.Entry) m_entries.next();<a name="line.669"></a> |
| <FONT color="green">670</FONT> Object key = entry.getKey();<a name="line.670"></a> |
| <FONT color="green">671</FONT> Object expression = entry.getValue();<a name="line.671"></a> |
| <FONT color="green">672</FONT> transformer.setParameter((String) key, expression);<a name="line.672"></a> |
| <FONT color="green">673</FONT> }<a name="line.673"></a> |
| <FONT color="green">674</FONT> transformer.transform(xmlSource, result);<a name="line.674"></a> |
| <FONT color="green">675</FONT> }<a name="line.675"></a> |
| <FONT color="green">676</FONT> catch (TransformerConfigurationException tfe)<a name="line.676"></a> |
| <FONT color="green">677</FONT> {<a name="line.677"></a> |
| <FONT color="green">678</FONT> tfe.printStackTrace();<a name="line.678"></a> |
| <FONT color="green">679</FONT> throw new RuntimeException(tfe.getMessage());<a name="line.679"></a> |
| <FONT color="green">680</FONT> }<a name="line.680"></a> |
| <FONT color="green">681</FONT> catch (MalformedURLException e)<a name="line.681"></a> |
| <FONT color="green">682</FONT> {<a name="line.682"></a> |
| <FONT color="green">683</FONT> e.printStackTrace();<a name="line.683"></a> |
| <FONT color="green">684</FONT> throw new RuntimeException(e.getMessage());<a name="line.684"></a> |
| <FONT color="green">685</FONT> }<a name="line.685"></a> |
| <FONT color="green">686</FONT> <a name="line.686"></a> |
| <FONT color="green">687</FONT> this.showStatus("Transformation Done!");<a name="line.687"></a> |
| <FONT color="green">688</FONT> htmlData = osw.toString();<a name="line.688"></a> |
| <FONT color="green">689</FONT> }<a name="line.689"></a> |
| <FONT color="green">690</FONT> return htmlData;<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> * This class maintains a worker thread that that is<a name="line.694"></a> |
| <FONT color="green">695</FONT> * trusted and can do things like access data. You need<a name="line.695"></a> |
| <FONT color="green">696</FONT> * this because the thread that is called by the browser<a name="line.696"></a> |
| <FONT color="green">697</FONT> * is not trusted and can't access data from the URLs.<a name="line.697"></a> |
| <FONT color="green">698</FONT> */<a name="line.698"></a> |
| <FONT color="green">699</FONT> class TrustedAgent implements Runnable<a name="line.699"></a> |
| <FONT color="green">700</FONT> {<a name="line.700"></a> |
| <FONT color="green">701</FONT> <a name="line.701"></a> |
| <FONT color="green">702</FONT> /** <a name="line.702"></a> |
| <FONT color="green">703</FONT> * Specifies whether the worker thread should perform a transformation.<a name="line.703"></a> |
| <FONT color="green">704</FONT> */<a name="line.704"></a> |
| <FONT color="green">705</FONT> public boolean m_getData = false;<a name="line.705"></a> |
| <FONT color="green">706</FONT> <a name="line.706"></a> |
| <FONT color="green">707</FONT> /** <a name="line.707"></a> |
| <FONT color="green">708</FONT> * Specifies whether the worker thread should get an XML document or XSL stylesheet.<a name="line.708"></a> |
| <FONT color="green">709</FONT> */<a name="line.709"></a> |
| <FONT color="green">710</FONT> public boolean m_getSource = false;<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> * The real work is done from here.<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> public void run()<a name="line.716"></a> |
| <FONT color="green">717</FONT> {<a name="line.717"></a> |
| <FONT color="green">718</FONT> while (true)<a name="line.718"></a> |
| <FONT color="green">719</FONT> {<a name="line.719"></a> |
| <FONT color="green">720</FONT> Thread.yield();<a name="line.720"></a> |
| <FONT color="green">721</FONT> <a name="line.721"></a> |
| <FONT color="green">722</FONT> if (m_getData) // Perform a transformation or get a document.<a name="line.722"></a> |
| <FONT color="green">723</FONT> {<a name="line.723"></a> |
| <FONT color="green">724</FONT> try<a name="line.724"></a> |
| <FONT color="green">725</FONT> {<a name="line.725"></a> |
| <FONT color="green">726</FONT> m_getData = false;<a name="line.726"></a> |
| <FONT color="green">727</FONT> m_htmlText = null;<a name="line.727"></a> |
| <FONT color="green">728</FONT> m_sourceText = null;<a name="line.728"></a> |
| <FONT color="green">729</FONT> if (m_getSource) // Get a document.<a name="line.729"></a> |
| <FONT color="green">730</FONT> {<a name="line.730"></a> |
| <FONT color="green">731</FONT> m_getSource = false;<a name="line.731"></a> |
| <FONT color="green">732</FONT> m_sourceText = getSource();<a name="line.732"></a> |
| <FONT color="green">733</FONT> }<a name="line.733"></a> |
| <FONT color="green">734</FONT> else // Perform a transformation.<a name="line.734"></a> |
| <FONT color="green">735</FONT> m_htmlText = processTransformation();<a name="line.735"></a> |
| <FONT color="green">736</FONT> }<a name="line.736"></a> |
| <FONT color="green">737</FONT> catch (Exception e)<a name="line.737"></a> |
| <FONT color="green">738</FONT> {<a name="line.738"></a> |
| <FONT color="green">739</FONT> e.printStackTrace();<a name="line.739"></a> |
| <FONT color="green">740</FONT> }<a name="line.740"></a> |
| <FONT color="green">741</FONT> finally<a name="line.741"></a> |
| <FONT color="green">742</FONT> {<a name="line.742"></a> |
| <FONT color="green">743</FONT> synchronized (m_callThread)<a name="line.743"></a> |
| <FONT color="green">744</FONT> {<a name="line.744"></a> |
| <FONT color="green">745</FONT> m_callThread.notify();<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> else<a name="line.749"></a> |
| <FONT color="green">750</FONT> {<a name="line.750"></a> |
| <FONT color="green">751</FONT> try<a name="line.751"></a> |
| <FONT color="green">752</FONT> {<a name="line.752"></a> |
| <FONT color="green">753</FONT> Thread.sleep(50);<a name="line.753"></a> |
| <FONT color="green">754</FONT> }<a name="line.754"></a> |
| <FONT color="green">755</FONT> catch (InterruptedException ie)<a name="line.755"></a> |
| <FONT color="green">756</FONT> {<a name="line.756"></a> |
| <FONT color="green">757</FONT> ie.printStackTrace();<a name="line.757"></a> |
| <FONT color="green">758</FONT> }<a name="line.758"></a> |
| <FONT color="green">759</FONT> }<a name="line.759"></a> |
| <FONT color="green">760</FONT> }<a name="line.760"></a> |
| <FONT color="green">761</FONT> }<a name="line.761"></a> |
| <FONT color="green">762</FONT> }<a name="line.762"></a> |
| <FONT color="green">763</FONT> <a name="line.763"></a> |
| <FONT color="green">764</FONT> // For compatiblity with old serialized objects<a name="line.764"></a> |
| <FONT color="green">765</FONT> // We will change non-serialized fields and change methods<a name="line.765"></a> |
| <FONT color="green">766</FONT> // and not have this break us.<a name="line.766"></a> |
| <FONT color="green">767</FONT> private static final long serialVersionUID=4618876841979251422L;<a name="line.767"></a> |
| <FONT color="green">768</FONT> <a name="line.768"></a> |
| <FONT color="green">769</FONT> // For compatibility when de-serializing old objects<a name="line.769"></a> |
| <FONT color="green">770</FONT> private void readObject(java.io.ObjectInputStream inStream) throws IOException, ClassNotFoundException <a name="line.770"></a> |
| <FONT color="green">771</FONT> {<a name="line.771"></a> |
| <FONT color="green">772</FONT> inStream.defaultReadObject();<a name="line.772"></a> |
| <FONT color="green">773</FONT> <a name="line.773"></a> |
| <FONT color="green">774</FONT> // Needed assignment of non-serialized fields<a name="line.774"></a> |
| <FONT color="green">775</FONT> <a name="line.775"></a> |
| <FONT color="green">776</FONT> // A TransformerFactory is not guaranteed to be serializable, <a name="line.776"></a> |
| <FONT color="green">777</FONT> // so we create one here<a name="line.777"></a> |
| <FONT color="green">778</FONT> m_tfactory = TransformerFactory.newInstance();<a name="line.778"></a> |
| <FONT color="green">779</FONT> } <a name="line.779"></a> |
| <FONT color="green">780</FONT> }<a name="line.780"></a> |
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| </PRE> |
| </BODY> |
| </HTML> |
