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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: DTMException.java 468653 2006-10-28 07:07:05Z 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.dtm;<a name="line.21"></a>
<FONT color="green">022</FONT> <a name="line.22"></a>
<FONT color="green">023</FONT> <a name="line.23"></a>
<FONT color="green">024</FONT> import java.lang.reflect.InvocationTargetException;<a name="line.24"></a>
<FONT color="green">025</FONT> import java.lang.reflect.Method;<a name="line.25"></a>
<FONT color="green">026</FONT> <a name="line.26"></a>
<FONT color="green">027</FONT> import javax.xml.transform.SourceLocator;<a name="line.27"></a>
<FONT color="green">028</FONT> <a name="line.28"></a>
<FONT color="green">029</FONT> import org.apache.xml.res.XMLErrorResources;<a name="line.29"></a>
<FONT color="green">030</FONT> import org.apache.xml.res.XMLMessages;<a name="line.30"></a>
<FONT color="green">031</FONT> <a name="line.31"></a>
<FONT color="green">032</FONT> <a name="line.32"></a>
<FONT color="green">033</FONT> /**<a name="line.33"></a>
<FONT color="green">034</FONT> * This class specifies an exceptional condition that occured<a name="line.34"></a>
<FONT color="green">035</FONT> * in the DTM module.<a name="line.35"></a>
<FONT color="green">036</FONT> */<a name="line.36"></a>
<FONT color="green">037</FONT> public class DTMException extends RuntimeException {<a name="line.37"></a>
<FONT color="green">038</FONT> static final long serialVersionUID = -775576419181334734L;<a name="line.38"></a>
<FONT color="green">039</FONT> <a name="line.39"></a>
<FONT color="green">040</FONT> /** Field locator specifies where the error occured.<a name="line.40"></a>
<FONT color="green">041</FONT> * @serial */<a name="line.41"></a>
<FONT color="green">042</FONT> SourceLocator locator;<a name="line.42"></a>
<FONT color="green">043</FONT> <a name="line.43"></a>
<FONT color="green">044</FONT> /**<a name="line.44"></a>
<FONT color="green">045</FONT> * Method getLocator retrieves an instance of a SourceLocator<a name="line.45"></a>
<FONT color="green">046</FONT> * object that specifies where an error occured.<a name="line.46"></a>
<FONT color="green">047</FONT> *<a name="line.47"></a>
<FONT color="green">048</FONT> * @return A SourceLocator object, or null if none was specified.<a name="line.48"></a>
<FONT color="green">049</FONT> */<a name="line.49"></a>
<FONT color="green">050</FONT> public SourceLocator getLocator() {<a name="line.50"></a>
<FONT color="green">051</FONT> return locator;<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> * Method setLocator sets an instance of a SourceLocator<a name="line.55"></a>
<FONT color="green">056</FONT> * object that specifies where an error occured.<a name="line.56"></a>
<FONT color="green">057</FONT> *<a name="line.57"></a>
<FONT color="green">058</FONT> * @param location A SourceLocator object, or null to clear the location.<a name="line.58"></a>
<FONT color="green">059</FONT> */<a name="line.59"></a>
<FONT color="green">060</FONT> public void setLocator(SourceLocator location) {<a name="line.60"></a>
<FONT color="green">061</FONT> locator = location;<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> /** Field containedException specifies a wrapped exception. May be null.<a name="line.64"></a>
<FONT color="green">065</FONT> * @serial */<a name="line.65"></a>
<FONT color="green">066</FONT> Throwable containedException;<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> * This method retrieves an exception that this exception wraps.<a name="line.69"></a>
<FONT color="green">070</FONT> *<a name="line.70"></a>
<FONT color="green">071</FONT> * @return An Throwable object, or null.<a name="line.71"></a>
<FONT color="green">072</FONT> * @see #getCause<a name="line.72"></a>
<FONT color="green">073</FONT> */<a name="line.73"></a>
<FONT color="green">074</FONT> public Throwable getException() {<a name="line.74"></a>
<FONT color="green">075</FONT> return containedException;<a name="line.75"></a>
<FONT color="green">076</FONT> }<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> * Returns the cause of this throwable or &lt;code&gt;null&lt;/code&gt; if the<a name="line.79"></a>
<FONT color="green">080</FONT> * cause is nonexistent or unknown. (The cause is the throwable that<a name="line.80"></a>
<FONT color="green">081</FONT> * caused this throwable to get thrown.)<a name="line.81"></a>
<FONT color="green">082</FONT> */<a name="line.82"></a>
<FONT color="green">083</FONT> public Throwable getCause() {<a name="line.83"></a>
<FONT color="green">084</FONT> <a name="line.84"></a>
<FONT color="green">085</FONT> return ((containedException == this)<a name="line.85"></a>
<FONT color="green">086</FONT> ? null<a name="line.86"></a>
<FONT color="green">087</FONT> : containedException);<a name="line.87"></a>
<FONT color="green">088</FONT> }<a name="line.88"></a>
<FONT color="green">089</FONT> <a name="line.89"></a>
<FONT color="green">090</FONT> /**<a name="line.90"></a>
<FONT color="green">091</FONT> * Initializes the &lt;i&gt;cause&lt;/i&gt; of this throwable to the specified value.<a name="line.91"></a>
<FONT color="green">092</FONT> * (The cause is the throwable that caused this throwable to get thrown.)<a name="line.92"></a>
<FONT color="green">093</FONT> *<a name="line.93"></a>
<FONT color="green">094</FONT> * &lt;p&gt;This method can be called at most once. It is generally called from<a name="line.94"></a>
<FONT color="green">095</FONT> * within the constructor, or immediately after creating the<a name="line.95"></a>
<FONT color="green">096</FONT> * throwable. If this throwable was created<a name="line.96"></a>
<FONT color="green">097</FONT> * with {@link #DTMException(Throwable)} or<a name="line.97"></a>
<FONT color="green">098</FONT> * {@link #DTMException(String,Throwable)}, this method cannot be called<a name="line.98"></a>
<FONT color="green">099</FONT> * even once.<a name="line.99"></a>
<FONT color="green">100</FONT> *<a name="line.100"></a>
<FONT color="green">101</FONT> * @param cause the cause (which is saved for later retrieval by the<a name="line.101"></a>
<FONT color="green">102</FONT> * {@link #getCause()} method). (A &lt;tt&gt;null&lt;/tt&gt; value is<a name="line.102"></a>
<FONT color="green">103</FONT> * permitted, and indicates that the cause is nonexistent or<a name="line.103"></a>
<FONT color="green">104</FONT> * unknown.)<a name="line.104"></a>
<FONT color="green">105</FONT> * @return a reference to this &lt;code&gt;Throwable&lt;/code&gt; instance.<a name="line.105"></a>
<FONT color="green">106</FONT> * @throws IllegalArgumentException if &lt;code&gt;cause&lt;/code&gt; is this<a name="line.106"></a>
<FONT color="green">107</FONT> * throwable. (A throwable cannot<a name="line.107"></a>
<FONT color="green">108</FONT> * be its own cause.)<a name="line.108"></a>
<FONT color="green">109</FONT> * @throws IllegalStateException if this throwable was<a name="line.109"></a>
<FONT color="green">110</FONT> * created with {@link #DTMException(Throwable)} or<a name="line.110"></a>
<FONT color="green">111</FONT> * {@link #DTMException(String,Throwable)}, or this method has already<a name="line.111"></a>
<FONT color="green">112</FONT> * been called on this throwable.<a name="line.112"></a>
<FONT color="green">113</FONT> */<a name="line.113"></a>
<FONT color="green">114</FONT> public synchronized Throwable initCause(Throwable cause) {<a name="line.114"></a>
<FONT color="green">115</FONT> <a name="line.115"></a>
<FONT color="green">116</FONT> if ((this.containedException == null) &amp;&amp; (cause != null)) {<a name="line.116"></a>
<FONT color="green">117</FONT> throw new IllegalStateException(XMLMessages.createXMLMessage(XMLErrorResources.ER_CANNOT_OVERWRITE_CAUSE, null)); //"Can't overwrite cause");<a name="line.117"></a>
<FONT color="green">118</FONT> }<a name="line.118"></a>
<FONT color="green">119</FONT> <a name="line.119"></a>
<FONT color="green">120</FONT> if (cause == this) {<a name="line.120"></a>
<FONT color="green">121</FONT> throw new IllegalArgumentException(<a name="line.121"></a>
<FONT color="green">122</FONT> XMLMessages.createXMLMessage(XMLErrorResources.ER_SELF_CAUSATION_NOT_PERMITTED, null)); //"Self-causation not permitted");<a name="line.122"></a>
<FONT color="green">123</FONT> }<a name="line.123"></a>
<FONT color="green">124</FONT> <a name="line.124"></a>
<FONT color="green">125</FONT> this.containedException = cause;<a name="line.125"></a>
<FONT color="green">126</FONT> <a name="line.126"></a>
<FONT color="green">127</FONT> return this;<a name="line.127"></a>
<FONT color="green">128</FONT> }<a name="line.128"></a>
<FONT color="green">129</FONT> <a name="line.129"></a>
<FONT color="green">130</FONT> /**<a name="line.130"></a>
<FONT color="green">131</FONT> * Create a new DTMException.<a name="line.131"></a>
<FONT color="green">132</FONT> *<a name="line.132"></a>
<FONT color="green">133</FONT> * @param message The error or warning message.<a name="line.133"></a>
<FONT color="green">134</FONT> */<a name="line.134"></a>
<FONT color="green">135</FONT> public DTMException(String message) {<a name="line.135"></a>
<FONT color="green">136</FONT> <a name="line.136"></a>
<FONT color="green">137</FONT> super(message);<a name="line.137"></a>
<FONT color="green">138</FONT> <a name="line.138"></a>
<FONT color="green">139</FONT> this.containedException = null;<a name="line.139"></a>
<FONT color="green">140</FONT> this.locator = 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> /**<a name="line.143"></a>
<FONT color="green">144</FONT> * Create a new DTMException wrapping an existing exception.<a name="line.144"></a>
<FONT color="green">145</FONT> *<a name="line.145"></a>
<FONT color="green">146</FONT> * @param e The exception to be wrapped.<a name="line.146"></a>
<FONT color="green">147</FONT> */<a name="line.147"></a>
<FONT color="green">148</FONT> public DTMException(Throwable e) {<a name="line.148"></a>
<FONT color="green">149</FONT> <a name="line.149"></a>
<FONT color="green">150</FONT> super(e.getMessage());<a name="line.150"></a>
<FONT color="green">151</FONT> <a name="line.151"></a>
<FONT color="green">152</FONT> this.containedException = e;<a name="line.152"></a>
<FONT color="green">153</FONT> this.locator = null;<a name="line.153"></a>
<FONT color="green">154</FONT> }<a name="line.154"></a>
<FONT color="green">155</FONT> <a name="line.155"></a>
<FONT color="green">156</FONT> /**<a name="line.156"></a>
<FONT color="green">157</FONT> * Wrap an existing exception in a DTMException.<a name="line.157"></a>
<FONT color="green">158</FONT> *<a name="line.158"></a>
<FONT color="green">159</FONT> * &lt;p&gt;This is used for throwing processor exceptions before<a name="line.159"></a>
<FONT color="green">160</FONT> * the processing has started.&lt;/p&gt;<a name="line.160"></a>
<FONT color="green">161</FONT> *<a name="line.161"></a>
<FONT color="green">162</FONT> * @param message The error or warning message, or null to<a name="line.162"></a>
<FONT color="green">163</FONT> * use the message from the embedded exception.<a name="line.163"></a>
<FONT color="green">164</FONT> * @param e Any exception<a name="line.164"></a>
<FONT color="green">165</FONT> */<a name="line.165"></a>
<FONT color="green">166</FONT> public DTMException(String message, Throwable e) {<a name="line.166"></a>
<FONT color="green">167</FONT> <a name="line.167"></a>
<FONT color="green">168</FONT> super(((message == null) || (message.length() == 0))<a name="line.168"></a>
<FONT color="green">169</FONT> ? e.getMessage()<a name="line.169"></a>
<FONT color="green">170</FONT> : message);<a name="line.170"></a>
<FONT color="green">171</FONT> <a name="line.171"></a>
<FONT color="green">172</FONT> this.containedException = e;<a name="line.172"></a>
<FONT color="green">173</FONT> this.locator = null;<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> /**<a name="line.176"></a>
<FONT color="green">177</FONT> * Create a new DTMException from a message and a Locator.<a name="line.177"></a>
<FONT color="green">178</FONT> *<a name="line.178"></a>
<FONT color="green">179</FONT> * &lt;p&gt;This constructor is especially useful when an application is<a name="line.179"></a>
<FONT color="green">180</FONT> * creating its own exception from within a DocumentHandler<a name="line.180"></a>
<FONT color="green">181</FONT> * callback.&lt;/p&gt;<a name="line.181"></a>
<FONT color="green">182</FONT> *<a name="line.182"></a>
<FONT color="green">183</FONT> * @param message The error or warning message.<a name="line.183"></a>
<FONT color="green">184</FONT> * @param locator The locator object for the error or warning.<a name="line.184"></a>
<FONT color="green">185</FONT> */<a name="line.185"></a>
<FONT color="green">186</FONT> public DTMException(String message, SourceLocator locator) {<a name="line.186"></a>
<FONT color="green">187</FONT> <a name="line.187"></a>
<FONT color="green">188</FONT> super(message);<a name="line.188"></a>
<FONT color="green">189</FONT> <a name="line.189"></a>
<FONT color="green">190</FONT> this.containedException = null;<a name="line.190"></a>
<FONT color="green">191</FONT> this.locator = locator;<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> /**<a name="line.194"></a>
<FONT color="green">195</FONT> * Wrap an existing exception in a DTMException.<a name="line.195"></a>
<FONT color="green">196</FONT> *<a name="line.196"></a>
<FONT color="green">197</FONT> * @param message The error or warning message, or null to<a name="line.197"></a>
<FONT color="green">198</FONT> * use the message from the embedded exception.<a name="line.198"></a>
<FONT color="green">199</FONT> * @param locator The locator object for the error or warning.<a name="line.199"></a>
<FONT color="green">200</FONT> * @param e Any exception<a name="line.200"></a>
<FONT color="green">201</FONT> */<a name="line.201"></a>
<FONT color="green">202</FONT> public DTMException(String message, SourceLocator locator,<a name="line.202"></a>
<FONT color="green">203</FONT> Throwable e) {<a name="line.203"></a>
<FONT color="green">204</FONT> <a name="line.204"></a>
<FONT color="green">205</FONT> super(message);<a name="line.205"></a>
<FONT color="green">206</FONT> <a name="line.206"></a>
<FONT color="green">207</FONT> this.containedException = e;<a name="line.207"></a>
<FONT color="green">208</FONT> this.locator = locator;<a name="line.208"></a>
<FONT color="green">209</FONT> }<a name="line.209"></a>
<FONT color="green">210</FONT> <a name="line.210"></a>
<FONT color="green">211</FONT> /**<a name="line.211"></a>
<FONT color="green">212</FONT> * Get the error message with location information<a name="line.212"></a>
<FONT color="green">213</FONT> * appended.<a name="line.213"></a>
<FONT color="green">214</FONT> */<a name="line.214"></a>
<FONT color="green">215</FONT> public String getMessageAndLocation() {<a name="line.215"></a>
<FONT color="green">216</FONT> <a name="line.216"></a>
<FONT color="green">217</FONT> StringBuffer sbuffer = new StringBuffer();<a name="line.217"></a>
<FONT color="green">218</FONT> String message = super.getMessage();<a name="line.218"></a>
<FONT color="green">219</FONT> <a name="line.219"></a>
<FONT color="green">220</FONT> if (null != message) {<a name="line.220"></a>
<FONT color="green">221</FONT> sbuffer.append(message);<a name="line.221"></a>
<FONT color="green">222</FONT> }<a name="line.222"></a>
<FONT color="green">223</FONT> <a name="line.223"></a>
<FONT color="green">224</FONT> if (null != locator) {<a name="line.224"></a>
<FONT color="green">225</FONT> String systemID = locator.getSystemId();<a name="line.225"></a>
<FONT color="green">226</FONT> int line = locator.getLineNumber();<a name="line.226"></a>
<FONT color="green">227</FONT> int column = locator.getColumnNumber();<a name="line.227"></a>
<FONT color="green">228</FONT> <a name="line.228"></a>
<FONT color="green">229</FONT> if (null != systemID) {<a name="line.229"></a>
<FONT color="green">230</FONT> sbuffer.append("; SystemID: ");<a name="line.230"></a>
<FONT color="green">231</FONT> sbuffer.append(systemID);<a name="line.231"></a>
<FONT color="green">232</FONT> }<a name="line.232"></a>
<FONT color="green">233</FONT> <a name="line.233"></a>
<FONT color="green">234</FONT> if (0 != line) {<a name="line.234"></a>
<FONT color="green">235</FONT> sbuffer.append("; Line#: ");<a name="line.235"></a>
<FONT color="green">236</FONT> sbuffer.append(line);<a name="line.236"></a>
<FONT color="green">237</FONT> }<a name="line.237"></a>
<FONT color="green">238</FONT> <a name="line.238"></a>
<FONT color="green">239</FONT> if (0 != column) {<a name="line.239"></a>
<FONT color="green">240</FONT> sbuffer.append("; Column#: ");<a name="line.240"></a>
<FONT color="green">241</FONT> sbuffer.append(column);<a name="line.241"></a>
<FONT color="green">242</FONT> }<a name="line.242"></a>
<FONT color="green">243</FONT> }<a name="line.243"></a>
<FONT color="green">244</FONT> <a name="line.244"></a>
<FONT color="green">245</FONT> return sbuffer.toString();<a name="line.245"></a>
<FONT color="green">246</FONT> }<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> * Get the location information as a string.<a name="line.249"></a>
<FONT color="green">250</FONT> *<a name="line.250"></a>
<FONT color="green">251</FONT> * @return A string with location info, or null<a name="line.251"></a>
<FONT color="green">252</FONT> * if there is no location information.<a name="line.252"></a>
<FONT color="green">253</FONT> */<a name="line.253"></a>
<FONT color="green">254</FONT> public String getLocationAsString() {<a name="line.254"></a>
<FONT color="green">255</FONT> <a name="line.255"></a>
<FONT color="green">256</FONT> if (null != locator) {<a name="line.256"></a>
<FONT color="green">257</FONT> StringBuffer sbuffer = new StringBuffer();<a name="line.257"></a>
<FONT color="green">258</FONT> String systemID = locator.getSystemId();<a name="line.258"></a>
<FONT color="green">259</FONT> int line = locator.getLineNumber();<a name="line.259"></a>
<FONT color="green">260</FONT> int column = locator.getColumnNumber();<a name="line.260"></a>
<FONT color="green">261</FONT> <a name="line.261"></a>
<FONT color="green">262</FONT> if (null != systemID) {<a name="line.262"></a>
<FONT color="green">263</FONT> sbuffer.append("; SystemID: ");<a name="line.263"></a>
<FONT color="green">264</FONT> sbuffer.append(systemID);<a name="line.264"></a>
<FONT color="green">265</FONT> }<a name="line.265"></a>
<FONT color="green">266</FONT> <a name="line.266"></a>
<FONT color="green">267</FONT> if (0 != line) {<a name="line.267"></a>
<FONT color="green">268</FONT> sbuffer.append("; Line#: ");<a name="line.268"></a>
<FONT color="green">269</FONT> sbuffer.append(line);<a name="line.269"></a>
<FONT color="green">270</FONT> }<a name="line.270"></a>
<FONT color="green">271</FONT> <a name="line.271"></a>
<FONT color="green">272</FONT> if (0 != column) {<a name="line.272"></a>
<FONT color="green">273</FONT> sbuffer.append("; Column#: ");<a name="line.273"></a>
<FONT color="green">274</FONT> sbuffer.append(column);<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 sbuffer.toString();<a name="line.277"></a>
<FONT color="green">278</FONT> } else {<a name="line.278"></a>
<FONT color="green">279</FONT> return null;<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> /**<a name="line.283"></a>
<FONT color="green">284</FONT> * Print the the trace of methods from where the error<a name="line.284"></a>
<FONT color="green">285</FONT> * originated. This will trace all nested exception<a name="line.285"></a>
<FONT color="green">286</FONT> * objects, as well as this object.<a name="line.286"></a>
<FONT color="green">287</FONT> */<a name="line.287"></a>
<FONT color="green">288</FONT> public void printStackTrace() {<a name="line.288"></a>
<FONT color="green">289</FONT> printStackTrace(new java.io.PrintWriter(System.err, true));<a name="line.289"></a>
<FONT color="green">290</FONT> }<a name="line.290"></a>
<FONT color="green">291</FONT> <a name="line.291"></a>
<FONT color="green">292</FONT> /**<a name="line.292"></a>
<FONT color="green">293</FONT> * Print the the trace of methods from where the error<a name="line.293"></a>
<FONT color="green">294</FONT> * originated. This will trace all nested exception<a name="line.294"></a>
<FONT color="green">295</FONT> * objects, as well as this object.<a name="line.295"></a>
<FONT color="green">296</FONT> * @param s The stream where the dump will be sent to.<a name="line.296"></a>
<FONT color="green">297</FONT> */<a name="line.297"></a>
<FONT color="green">298</FONT> public void printStackTrace(java.io.PrintStream s) {<a name="line.298"></a>
<FONT color="green">299</FONT> printStackTrace(new java.io.PrintWriter(s));<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> /**<a name="line.302"></a>
<FONT color="green">303</FONT> * Print the the trace of methods from where the error<a name="line.303"></a>
<FONT color="green">304</FONT> * originated. This will trace all nested exception<a name="line.304"></a>
<FONT color="green">305</FONT> * objects, as well as this object.<a name="line.305"></a>
<FONT color="green">306</FONT> * @param s The writer where the dump will be sent to.<a name="line.306"></a>
<FONT color="green">307</FONT> */<a name="line.307"></a>
<FONT color="green">308</FONT> public void printStackTrace(java.io.PrintWriter s) {<a name="line.308"></a>
<FONT color="green">309</FONT> <a name="line.309"></a>
<FONT color="green">310</FONT> if (s == null) {<a name="line.310"></a>
<FONT color="green">311</FONT> s = new java.io.PrintWriter(System.err, true);<a name="line.311"></a>
<FONT color="green">312</FONT> }<a name="line.312"></a>
<FONT color="green">313</FONT> <a name="line.313"></a>
<FONT color="green">314</FONT> try {<a name="line.314"></a>
<FONT color="green">315</FONT> String locInfo = getLocationAsString();<a name="line.315"></a>
<FONT color="green">316</FONT> <a name="line.316"></a>
<FONT color="green">317</FONT> if (null != locInfo) {<a name="line.317"></a>
<FONT color="green">318</FONT> s.println(locInfo);<a name="line.318"></a>
<FONT color="green">319</FONT> }<a name="line.319"></a>
<FONT color="green">320</FONT> <a name="line.320"></a>
<FONT color="green">321</FONT> super.printStackTrace(s);<a name="line.321"></a>
<FONT color="green">322</FONT> } catch (Throwable e) {}<a name="line.322"></a>
<FONT color="green">323</FONT> <a name="line.323"></a>
<FONT color="green">324</FONT> boolean isJdk14OrHigher = false;<a name="line.324"></a>
<FONT color="green">325</FONT> try {<a name="line.325"></a>
<FONT color="green">326</FONT> Throwable.class.getMethod("getCause",null);<a name="line.326"></a>
<FONT color="green">327</FONT> isJdk14OrHigher = true;<a name="line.327"></a>
<FONT color="green">328</FONT> } catch (NoSuchMethodException nsme) {<a name="line.328"></a>
<FONT color="green">329</FONT> // do nothing<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> // The printStackTrace method of the Throwable class in jdk 1.4 <a name="line.332"></a>
<FONT color="green">333</FONT> // and higher will include the cause when printing the backtrace.<a name="line.333"></a>
<FONT color="green">334</FONT> // The following code is only required when using jdk 1.3 or lower <a name="line.334"></a>
<FONT color="green">335</FONT> if (!isJdk14OrHigher) {<a name="line.335"></a>
<FONT color="green">336</FONT> Throwable exception = getException();<a name="line.336"></a>
<FONT color="green">337</FONT> <a name="line.337"></a>
<FONT color="green">338</FONT> for (int i = 0; (i &lt; 10) &amp;&amp; (null != exception); i++) {<a name="line.338"></a>
<FONT color="green">339</FONT> s.println("---------");<a name="line.339"></a>
<FONT color="green">340</FONT> <a name="line.340"></a>
<FONT color="green">341</FONT> try {<a name="line.341"></a>
<FONT color="green">342</FONT> if (exception instanceof DTMException) {<a name="line.342"></a>
<FONT color="green">343</FONT> String locInfo =<a name="line.343"></a>
<FONT color="green">344</FONT> ((DTMException) exception)<a name="line.344"></a>
<FONT color="green">345</FONT> .getLocationAsString();<a name="line.345"></a>
<FONT color="green">346</FONT> <a name="line.346"></a>
<FONT color="green">347</FONT> if (null != locInfo) {<a name="line.347"></a>
<FONT color="green">348</FONT> s.println(locInfo);<a name="line.348"></a>
<FONT color="green">349</FONT> }<a name="line.349"></a>
<FONT color="green">350</FONT> }<a name="line.350"></a>
<FONT color="green">351</FONT> <a name="line.351"></a>
<FONT color="green">352</FONT> exception.printStackTrace(s);<a name="line.352"></a>
<FONT color="green">353</FONT> } catch (Throwable e) {<a name="line.353"></a>
<FONT color="green">354</FONT> s.println("Could not print stack trace...");<a name="line.354"></a>
<FONT color="green">355</FONT> }<a name="line.355"></a>
<FONT color="green">356</FONT> <a name="line.356"></a>
<FONT color="green">357</FONT> try {<a name="line.357"></a>
<FONT color="green">358</FONT> Method meth =<a name="line.358"></a>
<FONT color="green">359</FONT> ((Object) exception).getClass().getMethod("getException",<a name="line.359"></a>
<FONT color="green">360</FONT> null);<a name="line.360"></a>
<FONT color="green">361</FONT> <a name="line.361"></a>
<FONT color="green">362</FONT> if (null != meth) {<a name="line.362"></a>
<FONT color="green">363</FONT> Throwable prev = exception;<a name="line.363"></a>
<FONT color="green">364</FONT> <a name="line.364"></a>
<FONT color="green">365</FONT> exception = (Throwable) meth.invoke(exception, null);<a name="line.365"></a>
<FONT color="green">366</FONT> <a name="line.366"></a>
<FONT color="green">367</FONT> if (prev == exception) {<a name="line.367"></a>
<FONT color="green">368</FONT> break;<a name="line.368"></a>
<FONT color="green">369</FONT> }<a name="line.369"></a>
<FONT color="green">370</FONT> } else {<a name="line.370"></a>
<FONT color="green">371</FONT> exception = null;<a name="line.371"></a>
<FONT color="green">372</FONT> }<a name="line.372"></a>
<FONT color="green">373</FONT> } catch (InvocationTargetException ite) {<a name="line.373"></a>
<FONT color="green">374</FONT> exception = null;<a name="line.374"></a>
<FONT color="green">375</FONT> } catch (IllegalAccessException iae) {<a name="line.375"></a>
<FONT color="green">376</FONT> exception = null;<a name="line.376"></a>
<FONT color="green">377</FONT> } catch (NoSuchMethodException nsme) {<a name="line.377"></a>
<FONT color="green">378</FONT> exception = null;<a name="line.378"></a>
<FONT color="green">379</FONT> }<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> }<a name="line.383"></a>
</PRE>
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