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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: TrAXFilter.java 468645 2006-10-28 06:57:24Z minchau $<a name="line.19"></a> |
| <FONT color="green">020</FONT> */<a name="line.20"></a> |
| <FONT color="green">021</FONT> package org.apache.xalan.transformer;<a name="line.21"></a> |
| <FONT color="green">022</FONT> <a name="line.22"></a> |
| <FONT color="green">023</FONT> import java.io.IOException;<a name="line.23"></a> |
| <FONT color="green">024</FONT> <a name="line.24"></a> |
| <FONT color="green">025</FONT> import javax.xml.XMLConstants;<a name="line.25"></a> |
| <FONT color="green">026</FONT> import javax.xml.transform.ErrorListener;<a name="line.26"></a> |
| <FONT color="green">027</FONT> import javax.xml.transform.Templates;<a name="line.27"></a> |
| <FONT color="green">028</FONT> import javax.xml.transform.TransformerConfigurationException;<a name="line.28"></a> |
| <FONT color="green">029</FONT> <a name="line.29"></a> |
| <FONT color="green">030</FONT> import org.apache.xalan.res.XSLMessages;<a name="line.30"></a> |
| <FONT color="green">031</FONT> import org.apache.xalan.res.XSLTErrorResources;<a name="line.31"></a> |
| <FONT color="green">032</FONT> <a name="line.32"></a> |
| <FONT color="green">033</FONT> import org.xml.sax.ContentHandler;<a name="line.33"></a> |
| <FONT color="green">034</FONT> import org.xml.sax.DTDHandler;<a name="line.34"></a> |
| <FONT color="green">035</FONT> import org.xml.sax.EntityResolver;<a name="line.35"></a> |
| <FONT color="green">036</FONT> import org.xml.sax.InputSource;<a name="line.36"></a> |
| <FONT color="green">037</FONT> import org.xml.sax.XMLReader;<a name="line.37"></a> |
| <FONT color="green">038</FONT> import org.xml.sax.helpers.XMLFilterImpl;<a name="line.38"></a> |
| <FONT color="green">039</FONT> import org.xml.sax.helpers.XMLReaderFactory;<a name="line.39"></a> |
| <FONT color="green">040</FONT> <a name="line.40"></a> |
| <FONT color="green">041</FONT> <a name="line.41"></a> |
| <FONT color="green">042</FONT> public class TrAXFilter extends XMLFilterImpl<a name="line.42"></a> |
| <FONT color="green">043</FONT> {<a name="line.43"></a> |
| <FONT color="green">044</FONT> private Templates m_templates;<a name="line.44"></a> |
| <FONT color="green">045</FONT> private TransformerImpl m_transformer;<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> * Construct an empty XML filter, with no parent.<a name="line.48"></a> |
| <FONT color="green">049</FONT> *<a name="line.49"></a> |
| <FONT color="green">050</FONT> * <p>This filter will have no parent: you must assign a parent<a name="line.50"></a> |
| <FONT color="green">051</FONT> * before you start a parse or do any configuration with<a name="line.51"></a> |
| <FONT color="green">052</FONT> * setFeature or setProperty.</p><a name="line.52"></a> |
| <FONT color="green">053</FONT> *<a name="line.53"></a> |
| <FONT color="green">054</FONT> * @see org.xml.sax.XMLReader#setFeature<a name="line.54"></a> |
| <FONT color="green">055</FONT> * @see org.xml.sax.XMLReader#setProperty<a name="line.55"></a> |
| <FONT color="green">056</FONT> */<a name="line.56"></a> |
| <FONT color="green">057</FONT> public TrAXFilter (Templates templates)<a name="line.57"></a> |
| <FONT color="green">058</FONT> throws TransformerConfigurationException<a name="line.58"></a> |
| <FONT color="green">059</FONT> {<a name="line.59"></a> |
| <FONT color="green">060</FONT> m_templates = templates;<a name="line.60"></a> |
| <FONT color="green">061</FONT> m_transformer = (TransformerImpl)templates.newTransformer();<a name="line.61"></a> |
| <FONT color="green">062</FONT> }<a name="line.62"></a> |
| <FONT color="green">063</FONT> <a name="line.63"></a> |
| <FONT color="green">064</FONT> /**<a name="line.64"></a> |
| <FONT color="green">065</FONT> * Return the Transformer object used for this XML filter.<a name="line.65"></a> |
| <FONT color="green">066</FONT> */<a name="line.66"></a> |
| <FONT color="green">067</FONT> public TransformerImpl getTransformer()<a name="line.67"></a> |
| <FONT color="green">068</FONT> {<a name="line.68"></a> |
| <FONT color="green">069</FONT> return m_transformer;<a name="line.69"></a> |
| <FONT color="green">070</FONT> }<a name="line.70"></a> |
| <FONT color="green">071</FONT> <a name="line.71"></a> |
| <FONT color="green">072</FONT> /** Set the parent reader.<a name="line.72"></a> |
| <FONT color="green">073</FONT> *<a name="line.73"></a> |
| <FONT color="green">074</FONT> * <p>This is the {@link org.xml.sax.XMLReader XMLReader} from which <a name="line.74"></a> |
| <FONT color="green">075</FONT> * this filter will obtain its events and to which it will pass its <a name="line.75"></a> |
| <FONT color="green">076</FONT> * configuration requests. The parent may itself be another filter.</p><a name="line.76"></a> |
| <FONT color="green">077</FONT> *<a name="line.77"></a> |
| <FONT color="green">078</FONT> * <p>If there is no parent reader set, any attempt to parse<a name="line.78"></a> |
| <FONT color="green">079</FONT> * or to set or get a feature or property will fail.</p><a name="line.79"></a> |
| <FONT color="green">080</FONT> *<a name="line.80"></a> |
| <FONT color="green">081</FONT> * @param parent The parent XML reader.<a name="line.81"></a> |
| <FONT color="green">082</FONT> * @throws java.lang.NullPointerException If the parent is null.<a name="line.82"></a> |
| <FONT color="green">083</FONT> */<a name="line.83"></a> |
| <FONT color="green">084</FONT> public void setParent (XMLReader parent)<a name="line.84"></a> |
| <FONT color="green">085</FONT> { <a name="line.85"></a> |
| <FONT color="green">086</FONT> super.setParent(parent);<a name="line.86"></a> |
| <FONT color="green">087</FONT> <a name="line.87"></a> |
| <FONT color="green">088</FONT> if(null != parent.getContentHandler())<a name="line.88"></a> |
| <FONT color="green">089</FONT> this.setContentHandler(parent.getContentHandler());<a name="line.89"></a> |
| <FONT color="green">090</FONT> <a name="line.90"></a> |
| <FONT color="green">091</FONT> // Not really sure if we should do this here, but <a name="line.91"></a> |
| <FONT color="green">092</FONT> // it seems safer in case someone calls parse() on <a name="line.92"></a> |
| <FONT color="green">093</FONT> // the parent.<a name="line.93"></a> |
| <FONT color="green">094</FONT> setupParse ();<a name="line.94"></a> |
| <FONT color="green">095</FONT> }<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> * Parse a document.<a name="line.98"></a> |
| <FONT color="green">099</FONT> *<a name="line.99"></a> |
| <FONT color="green">100</FONT> * @param input The input source for the document entity.<a name="line.100"></a> |
| <FONT color="green">101</FONT> * @throws org.xml.sax.SAXException Any SAX exception, possibly<a name="line.101"></a> |
| <FONT color="green">102</FONT> * wrapping another exception.<a name="line.102"></a> |
| <FONT color="green">103</FONT> * @throws java.io.IOException An IO exception from the parser,<a name="line.103"></a> |
| <FONT color="green">104</FONT> * possibly from a byte stream or character stream<a name="line.104"></a> |
| <FONT color="green">105</FONT> * supplied by the application.<a name="line.105"></a> |
| <FONT color="green">106</FONT> * @see org.xml.sax.XMLReader#parse(org.xml.sax.InputSource)<a name="line.106"></a> |
| <FONT color="green">107</FONT> */<a name="line.107"></a> |
| <FONT color="green">108</FONT> public void parse (InputSource input)<a name="line.108"></a> |
| <FONT color="green">109</FONT> throws org.xml.sax.SAXException, IOException<a name="line.109"></a> |
| <FONT color="green">110</FONT> {<a name="line.110"></a> |
| <FONT color="green">111</FONT> if(null == getParent())<a name="line.111"></a> |
| <FONT color="green">112</FONT> {<a name="line.112"></a> |
| <FONT color="green">113</FONT> XMLReader reader=null;<a name="line.113"></a> |
| <FONT color="green">114</FONT> <a name="line.114"></a> |
| <FONT color="green">115</FONT> // Use JAXP1.1 ( if possible )<a name="line.115"></a> |
| <FONT color="green">116</FONT> try {<a name="line.116"></a> |
| <FONT color="green">117</FONT> javax.xml.parsers.SAXParserFactory factory=<a name="line.117"></a> |
| <FONT color="green">118</FONT> javax.xml.parsers.SAXParserFactory.newInstance();<a name="line.118"></a> |
| <FONT color="green">119</FONT> factory.setNamespaceAware( true );<a name="line.119"></a> |
| <FONT color="green">120</FONT> <a name="line.120"></a> |
| <FONT color="green">121</FONT> if (m_transformer.getStylesheet().isSecureProcessing()) {<a name="line.121"></a> |
| <FONT color="green">122</FONT> try {<a name="line.122"></a> |
| <FONT color="green">123</FONT> factory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);<a name="line.123"></a> |
| <FONT color="green">124</FONT> }<a name="line.124"></a> |
| <FONT color="green">125</FONT> catch (org.xml.sax.SAXException se) {}<a name="line.125"></a> |
| <FONT color="green">126</FONT> }<a name="line.126"></a> |
| <FONT color="green">127</FONT> <a name="line.127"></a> |
| <FONT color="green">128</FONT> javax.xml.parsers.SAXParser jaxpParser=<a name="line.128"></a> |
| <FONT color="green">129</FONT> factory.newSAXParser();<a name="line.129"></a> |
| <FONT color="green">130</FONT> reader=jaxpParser.getXMLReader();<a name="line.130"></a> |
| <FONT color="green">131</FONT> <a name="line.131"></a> |
| <FONT color="green">132</FONT> } catch( javax.xml.parsers.ParserConfigurationException ex ) {<a name="line.132"></a> |
| <FONT color="green">133</FONT> throw new org.xml.sax.SAXException( ex );<a name="line.133"></a> |
| <FONT color="green">134</FONT> } catch( javax.xml.parsers.FactoryConfigurationError ex1 ) {<a name="line.134"></a> |
| <FONT color="green">135</FONT> throw new org.xml.sax.SAXException( ex1.toString() );<a name="line.135"></a> |
| <FONT color="green">136</FONT> } catch( NoSuchMethodError ex2 ) {<a name="line.136"></a> |
| <FONT color="green">137</FONT> }<a name="line.137"></a> |
| <FONT color="green">138</FONT> catch (AbstractMethodError ame){}<a name="line.138"></a> |
| <FONT color="green">139</FONT> <a name="line.139"></a> |
| <FONT color="green">140</FONT> XMLReader parent;<a name="line.140"></a> |
| <FONT color="green">141</FONT> if( reader==null )<a name="line.141"></a> |
| <FONT color="green">142</FONT> parent= XMLReaderFactory.createXMLReader();<a name="line.142"></a> |
| <FONT color="green">143</FONT> else<a name="line.143"></a> |
| <FONT color="green">144</FONT> parent=reader;<a name="line.144"></a> |
| <FONT color="green">145</FONT> try<a name="line.145"></a> |
| <FONT color="green">146</FONT> {<a name="line.146"></a> |
| <FONT color="green">147</FONT> parent.setFeature("http://xml.org/sax/features/namespace-prefixes",<a name="line.147"></a> |
| <FONT color="green">148</FONT> true);<a name="line.148"></a> |
| <FONT color="green">149</FONT> }<a name="line.149"></a> |
| <FONT color="green">150</FONT> catch (org.xml.sax.SAXException se){}<a name="line.150"></a> |
| <FONT color="green">151</FONT> // setParent calls setupParse...<a name="line.151"></a> |
| <FONT color="green">152</FONT> setParent(parent);<a name="line.152"></a> |
| <FONT color="green">153</FONT> }<a name="line.153"></a> |
| <FONT color="green">154</FONT> else<a name="line.154"></a> |
| <FONT color="green">155</FONT> {<a name="line.155"></a> |
| <FONT color="green">156</FONT> // Make sure everything is set up.<a name="line.156"></a> |
| <FONT color="green">157</FONT> setupParse ();<a name="line.157"></a> |
| <FONT color="green">158</FONT> }<a name="line.158"></a> |
| <FONT color="green">159</FONT> if(null == m_transformer.getContentHandler())<a name="line.159"></a> |
| <FONT color="green">160</FONT> {<a name="line.160"></a> |
| <FONT color="green">161</FONT> throw new org.xml.sax.SAXException(XSLMessages.createMessage(XSLTErrorResources.ER_CANNOT_CALL_PARSE, null)); //"parse can not be called if the ContentHandler has not been set!");<a name="line.161"></a> |
| <FONT color="green">162</FONT> }<a name="line.162"></a> |
| <FONT color="green">163</FONT> <a name="line.163"></a> |
| <FONT color="green">164</FONT> getParent().parse(input);<a name="line.164"></a> |
| <FONT color="green">165</FONT> Exception e = m_transformer.getExceptionThrown();<a name="line.165"></a> |
| <FONT color="green">166</FONT> if(null != e)<a name="line.166"></a> |
| <FONT color="green">167</FONT> {<a name="line.167"></a> |
| <FONT color="green">168</FONT> if(e instanceof org.xml.sax.SAXException)<a name="line.168"></a> |
| <FONT color="green">169</FONT> throw (org.xml.sax.SAXException)e;<a name="line.169"></a> |
| <FONT color="green">170</FONT> else<a name="line.170"></a> |
| <FONT color="green">171</FONT> throw new org.xml.sax.SAXException(e);<a name="line.171"></a> |
| <FONT color="green">172</FONT> }<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> /**<a name="line.175"></a> |
| <FONT color="green">176</FONT> * Parse a document.<a name="line.176"></a> |
| <FONT color="green">177</FONT> *<a name="line.177"></a> |
| <FONT color="green">178</FONT> * @param systemId The system identifier as a fully-qualified URI.<a name="line.178"></a> |
| <FONT color="green">179</FONT> * @throws org.xml.sax.SAXException Any SAX exception, possibly<a name="line.179"></a> |
| <FONT color="green">180</FONT> * wrapping another exception.<a name="line.180"></a> |
| <FONT color="green">181</FONT> * @throws java.io.IOException An IO exception from the parser,<a name="line.181"></a> |
| <FONT color="green">182</FONT> * possibly from a byte stream or character stream<a name="line.182"></a> |
| <FONT color="green">183</FONT> * supplied by the application.<a name="line.183"></a> |
| <FONT color="green">184</FONT> * @see org.xml.sax.XMLReader#parse(java.lang.String)<a name="line.184"></a> |
| <FONT color="green">185</FONT> */<a name="line.185"></a> |
| <FONT color="green">186</FONT> public void parse (String systemId)<a name="line.186"></a> |
| <FONT color="green">187</FONT> throws org.xml.sax.SAXException, IOException<a name="line.187"></a> |
| <FONT color="green">188</FONT> {<a name="line.188"></a> |
| <FONT color="green">189</FONT> parse(new InputSource(systemId));<a name="line.189"></a> |
| <FONT color="green">190</FONT> }<a name="line.190"></a> |
| <FONT color="green">191</FONT> <a name="line.191"></a> |
| <FONT color="green">192</FONT> <a name="line.192"></a> |
| <FONT color="green">193</FONT> /**<a name="line.193"></a> |
| <FONT color="green">194</FONT> * Set up before a parse.<a name="line.194"></a> |
| <FONT color="green">195</FONT> *<a name="line.195"></a> |
| <FONT color="green">196</FONT> * <p>Before every parse, check whether the parent is<a name="line.196"></a> |
| <FONT color="green">197</FONT> * non-null, and re-register the filter for all of the <a name="line.197"></a> |
| <FONT color="green">198</FONT> * events.</p><a name="line.198"></a> |
| <FONT color="green">199</FONT> */<a name="line.199"></a> |
| <FONT color="green">200</FONT> private void setupParse ()<a name="line.200"></a> |
| <FONT color="green">201</FONT> {<a name="line.201"></a> |
| <FONT color="green">202</FONT> XMLReader p = getParent();<a name="line.202"></a> |
| <FONT color="green">203</FONT> if (p == null) {<a name="line.203"></a> |
| <FONT color="green">204</FONT> throw new NullPointerException(XSLMessages.createMessage(XSLTErrorResources.ER_NO_PARENT_FOR_FILTER, null)); //"No parent for filter");<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> ContentHandler ch = m_transformer.getInputContentHandler();<a name="line.207"></a> |
| <FONT color="green">208</FONT> // if(ch instanceof SourceTreeHandler)<a name="line.208"></a> |
| <FONT color="green">209</FONT> // ((SourceTreeHandler)ch).setUseMultiThreading(true);<a name="line.209"></a> |
| <FONT color="green">210</FONT> p.setContentHandler(ch);<a name="line.210"></a> |
| <FONT color="green">211</FONT> p.setEntityResolver(this);<a name="line.211"></a> |
| <FONT color="green">212</FONT> p.setDTDHandler(this);<a name="line.212"></a> |
| <FONT color="green">213</FONT> p.setErrorHandler(this);<a name="line.213"></a> |
| <FONT color="green">214</FONT> }<a name="line.214"></a> |
| <FONT color="green">215</FONT> <a name="line.215"></a> |
| <FONT color="green">216</FONT> /**<a name="line.216"></a> |
| <FONT color="green">217</FONT> * Set the content event handler.<a name="line.217"></a> |
| <FONT color="green">218</FONT> *<a name="line.218"></a> |
| <FONT color="green">219</FONT> * @param handler The new content handler.<a name="line.219"></a> |
| <FONT color="green">220</FONT> * @throws java.lang.NullPointerException If the handler<a name="line.220"></a> |
| <FONT color="green">221</FONT> * is null.<a name="line.221"></a> |
| <FONT color="green">222</FONT> * @see org.xml.sax.XMLReader#setContentHandler<a name="line.222"></a> |
| <FONT color="green">223</FONT> */<a name="line.223"></a> |
| <FONT color="green">224</FONT> public void setContentHandler (ContentHandler handler)<a name="line.224"></a> |
| <FONT color="green">225</FONT> {<a name="line.225"></a> |
| <FONT color="green">226</FONT> m_transformer.setContentHandler(handler);<a name="line.226"></a> |
| <FONT color="green">227</FONT> // super.setContentHandler(m_transformer.getResultTreeHandler());<a name="line.227"></a> |
| <FONT color="green">228</FONT> }<a name="line.228"></a> |
| <FONT color="green">229</FONT> <a name="line.229"></a> |
| <FONT color="green">230</FONT> public void setErrorListener (ErrorListener handler)<a name="line.230"></a> |
| <FONT color="green">231</FONT> {<a name="line.231"></a> |
| <FONT color="green">232</FONT> m_transformer.setErrorListener(handler);<a name="line.232"></a> |
| <FONT color="green">233</FONT> }<a name="line.233"></a> |
| <FONT color="green">234</FONT> <a name="line.234"></a> |
| <FONT color="green">235</FONT> }<a name="line.235"></a> |
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| </PRE> |
| </BODY> |
| </HTML> |
