| <HTML> |
| <BODY BGCOLOR="white"> |
| <PRE> |
| <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: ExsltStrings.java 1225758 2011-12-30 05:44:27Z 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.lib;<a name="line.21"></a> |
| <FONT color="green">022</FONT> <a name="line.22"></a> |
| <FONT color="green">023</FONT> import java.util.StringTokenizer;<a name="line.23"></a> |
| <FONT color="green">024</FONT> <a name="line.24"></a> |
| <FONT color="green">025</FONT> import javax.xml.parsers.DocumentBuilderFactory;<a name="line.25"></a> |
| <FONT color="green">026</FONT> import javax.xml.parsers.ParserConfigurationException;<a name="line.26"></a> |
| <FONT color="green">027</FONT> <a name="line.27"></a> |
| <FONT color="green">028</FONT> import org.apache.xpath.NodeSet;<a name="line.28"></a> |
| <FONT color="green">029</FONT> import org.w3c.dom.Document;<a name="line.29"></a> |
| <FONT color="green">030</FONT> import org.w3c.dom.Element;<a name="line.30"></a> |
| <FONT color="green">031</FONT> import org.w3c.dom.Node;<a name="line.31"></a> |
| <FONT color="green">032</FONT> import org.w3c.dom.NodeList;<a name="line.32"></a> |
| <FONT color="green">033</FONT> import org.w3c.dom.Text;<a name="line.33"></a> |
| <FONT color="green">034</FONT> <a name="line.34"></a> |
| <FONT color="green">035</FONT> /**<a name="line.35"></a> |
| <FONT color="green">036</FONT> * This class contains EXSLT strings extension functions.<a name="line.36"></a> |
| <FONT color="green">037</FONT> *<a name="line.37"></a> |
| <FONT color="green">038</FONT> * It is accessed by specifying a namespace URI as follows:<a name="line.38"></a> |
| <FONT color="green">039</FONT> * <pre><a name="line.39"></a> |
| <FONT color="green">040</FONT> * xmlns:str="http://exslt.org/strings"<a name="line.40"></a> |
| <FONT color="green">041</FONT> * </pre><a name="line.41"></a> |
| <FONT color="green">042</FONT> * The documentation for each function has been copied from the relevant<a name="line.42"></a> |
| <FONT color="green">043</FONT> * EXSLT Implementer page.<a name="line.43"></a> |
| <FONT color="green">044</FONT> * <a name="line.44"></a> |
| <FONT color="green">045</FONT> * @see <a href="http://www.exslt.org/">EXSLT</a><a name="line.45"></a> |
| <FONT color="green">046</FONT> <a name="line.46"></a> |
| <FONT color="green">047</FONT> * @xsl.usage general<a name="line.47"></a> |
| <FONT color="green">048</FONT> */<a name="line.48"></a> |
| <FONT color="green">049</FONT> public class ExsltStrings extends ExsltBase<a name="line.49"></a> |
| <FONT color="green">050</FONT> {<a name="line.50"></a> |
| <FONT color="green">051</FONT> /**<a name="line.51"></a> |
| <FONT color="green">052</FONT> * The str:align function aligns a string within another string. <a name="line.52"></a> |
| <FONT color="green">053</FONT> * <p><a name="line.53"></a> |
| <FONT color="green">054</FONT> * The first argument gives the target string to be aligned. The second argument gives <a name="line.54"></a> |
| <FONT color="green">055</FONT> * the padding string within which it is to be aligned. <a name="line.55"></a> |
| <FONT color="green">056</FONT> * <p><a name="line.56"></a> |
| <FONT color="green">057</FONT> * If the target string is shorter than the padding string then a range of characters <a name="line.57"></a> |
| <FONT color="green">058</FONT> * in the padding string are repaced with those in the target string. Which characters <a name="line.58"></a> |
| <FONT color="green">059</FONT> * are replaced depends on the value of the third argument, which gives the type of <a name="line.59"></a> |
| <FONT color="green">060</FONT> * alignment. It can be one of 'left', 'right' or 'center'. If no third argument is <a name="line.60"></a> |
| <FONT color="green">061</FONT> * given or if it is not one of these values, then it defaults to left alignment. <a name="line.61"></a> |
| <FONT color="green">062</FONT> * <p><a name="line.62"></a> |
| <FONT color="green">063</FONT> * With left alignment, the range of characters replaced by the target string begins <a name="line.63"></a> |
| <FONT color="green">064</FONT> * with the first character in the padding string. With right alignment, the range of <a name="line.64"></a> |
| <FONT color="green">065</FONT> * characters replaced by the target string ends with the last character in the padding <a name="line.65"></a> |
| <FONT color="green">066</FONT> * string. With center alignment, the range of characters replaced by the target string <a name="line.66"></a> |
| <FONT color="green">067</FONT> * is in the middle of the padding string, such that either the number of unreplaced <a name="line.67"></a> |
| <FONT color="green">068</FONT> * characters on either side of the range is the same or there is one less on the left <a name="line.68"></a> |
| <FONT color="green">069</FONT> * than there is on the right. <a name="line.69"></a> |
| <FONT color="green">070</FONT> * <p><a name="line.70"></a> |
| <FONT color="green">071</FONT> * If the target string is longer than the padding string, then it is truncated to be <a name="line.71"></a> |
| <FONT color="green">072</FONT> * the same length as the padding string and returned.<a name="line.72"></a> |
| <FONT color="green">073</FONT> *<a name="line.73"></a> |
| <FONT color="green">074</FONT> * @param targetStr The target string<a name="line.74"></a> |
| <FONT color="green">075</FONT> * @param paddingStr The padding string<a name="line.75"></a> |
| <FONT color="green">076</FONT> * @param type The type of alignment<a name="line.76"></a> |
| <FONT color="green">077</FONT> * <a name="line.77"></a> |
| <FONT color="green">078</FONT> * @return The string after alignment<a name="line.78"></a> |
| <FONT color="green">079</FONT> */<a name="line.79"></a> |
| <FONT color="green">080</FONT> public static String align(String targetStr, String paddingStr, String type)<a name="line.80"></a> |
| <FONT color="green">081</FONT> {<a name="line.81"></a> |
| <FONT color="green">082</FONT> if (targetStr.length() >= paddingStr.length())<a name="line.82"></a> |
| <FONT color="green">083</FONT> return targetStr.substring(0, paddingStr.length());<a name="line.83"></a> |
| <FONT color="green">084</FONT> <a name="line.84"></a> |
| <FONT color="green">085</FONT> if (type.equals("right"))<a name="line.85"></a> |
| <FONT color="green">086</FONT> {<a name="line.86"></a> |
| <FONT color="green">087</FONT> return paddingStr.substring(0, paddingStr.length() - targetStr.length()) + targetStr;<a name="line.87"></a> |
| <FONT color="green">088</FONT> }<a name="line.88"></a> |
| <FONT color="green">089</FONT> else if (type.equals("center"))<a name="line.89"></a> |
| <FONT color="green">090</FONT> {<a name="line.90"></a> |
| <FONT color="green">091</FONT> int startIndex = (paddingStr.length() - targetStr.length()) / 2;<a name="line.91"></a> |
| <FONT color="green">092</FONT> return paddingStr.substring(0, startIndex) + targetStr + paddingStr.substring(startIndex + targetStr.length());<a name="line.92"></a> |
| <FONT color="green">093</FONT> }<a name="line.93"></a> |
| <FONT color="green">094</FONT> // Default is left<a name="line.94"></a> |
| <FONT color="green">095</FONT> else<a name="line.95"></a> |
| <FONT color="green">096</FONT> {<a name="line.96"></a> |
| <FONT color="green">097</FONT> return targetStr + paddingStr.substring(targetStr.length());<a name="line.97"></a> |
| <FONT color="green">098</FONT> } <a name="line.98"></a> |
| <FONT color="green">099</FONT> }<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> * See above<a name="line.102"></a> |
| <FONT color="green">103</FONT> */<a name="line.103"></a> |
| <FONT color="green">104</FONT> public static String align(String targetStr, String paddingStr)<a name="line.104"></a> |
| <FONT color="green">105</FONT> {<a name="line.105"></a> |
| <FONT color="green">106</FONT> return align(targetStr, paddingStr, "left");<a name="line.106"></a> |
| <FONT color="green">107</FONT> }<a name="line.107"></a> |
| <FONT color="green">108</FONT> <a name="line.108"></a> |
| <FONT color="green">109</FONT> /**<a name="line.109"></a> |
| <FONT color="green">110</FONT> * The str:concat function takes a node set and returns the concatenation of the <a name="line.110"></a> |
| <FONT color="green">111</FONT> * string values of the nodes in that node set. If the node set is empty, it returns <a name="line.111"></a> |
| <FONT color="green">112</FONT> * an empty string.<a name="line.112"></a> |
| <FONT color="green">113</FONT> *<a name="line.113"></a> |
| <FONT color="green">114</FONT> * @param nl A node set<a name="line.114"></a> |
| <FONT color="green">115</FONT> * @return The concatenation of the string values of the nodes in that node set<a name="line.115"></a> |
| <FONT color="green">116</FONT> */<a name="line.116"></a> |
| <FONT color="green">117</FONT> public static String concat(NodeList nl)<a name="line.117"></a> |
| <FONT color="green">118</FONT> {<a name="line.118"></a> |
| <FONT color="green">119</FONT> StringBuffer sb = new StringBuffer();<a name="line.119"></a> |
| <FONT color="green">120</FONT> for (int i = 0; i < nl.getLength(); i++)<a name="line.120"></a> |
| <FONT color="green">121</FONT> {<a name="line.121"></a> |
| <FONT color="green">122</FONT> Node node = nl.item(i);<a name="line.122"></a> |
| <FONT color="green">123</FONT> String value = toString(node);<a name="line.123"></a> |
| <FONT color="green">124</FONT> <a name="line.124"></a> |
| <FONT color="green">125</FONT> if (value != null && value.length() > 0)<a name="line.125"></a> |
| <FONT color="green">126</FONT> sb.append(value);<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> return sb.toString();<a name="line.129"></a> |
| <FONT color="green">130</FONT> }<a name="line.130"></a> |
| <FONT color="green">131</FONT> <a name="line.131"></a> |
| <FONT color="green">132</FONT> /**<a name="line.132"></a> |
| <FONT color="green">133</FONT> * The str:padding function creates a padding string of a certain length. <a name="line.133"></a> |
| <FONT color="green">134</FONT> * The first argument gives the length of the padding string to be created. <a name="line.134"></a> |
| <FONT color="green">135</FONT> * The second argument gives a string to be used to create the padding. This <a name="line.135"></a> |
| <FONT color="green">136</FONT> * string is repeated as many times as is necessary to create a string of the <a name="line.136"></a> |
| <FONT color="green">137</FONT> * length specified by the first argument; if the string is more than a character <a name="line.137"></a> |
| <FONT color="green">138</FONT> * long, it may have to be truncated to produce the required length. If no second <a name="line.138"></a> |
| <FONT color="green">139</FONT> * argument is specified, it defaults to a space (' '). If the second argument is <a name="line.139"></a> |
| <FONT color="green">140</FONT> * an empty string, str:padding returns an empty string.<a name="line.140"></a> |
| <FONT color="green">141</FONT> *<a name="line.141"></a> |
| <FONT color="green">142</FONT> * @param length The length of the padding string to be created<a name="line.142"></a> |
| <FONT color="green">143</FONT> * @param pattern The string to be used as pattern<a name="line.143"></a> |
| <FONT color="green">144</FONT> *<a name="line.144"></a> |
| <FONT color="green">145</FONT> * @return A padding string of the given length<a name="line.145"></a> |
| <FONT color="green">146</FONT> */<a name="line.146"></a> |
| <FONT color="green">147</FONT> public static String padding(double length, String pattern)<a name="line.147"></a> |
| <FONT color="green">148</FONT> {<a name="line.148"></a> |
| <FONT color="green">149</FONT> if (pattern == null || pattern.length() == 0)<a name="line.149"></a> |
| <FONT color="green">150</FONT> return "";<a name="line.150"></a> |
| <FONT color="green">151</FONT> <a name="line.151"></a> |
| <FONT color="green">152</FONT> StringBuffer sb = new StringBuffer();<a name="line.152"></a> |
| <FONT color="green">153</FONT> int len = (int)length;<a name="line.153"></a> |
| <FONT color="green">154</FONT> int numAdded = 0;<a name="line.154"></a> |
| <FONT color="green">155</FONT> int index = 0;<a name="line.155"></a> |
| <FONT color="green">156</FONT> while (numAdded < len)<a name="line.156"></a> |
| <FONT color="green">157</FONT> {<a name="line.157"></a> |
| <FONT color="green">158</FONT> if (index == pattern.length())<a name="line.158"></a> |
| <FONT color="green">159</FONT> index = 0;<a name="line.159"></a> |
| <FONT color="green">160</FONT> <a name="line.160"></a> |
| <FONT color="green">161</FONT> sb.append(pattern.charAt(index));<a name="line.161"></a> |
| <FONT color="green">162</FONT> index++;<a name="line.162"></a> |
| <FONT color="green">163</FONT> numAdded++;<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> return sb.toString();<a name="line.166"></a> |
| <FONT color="green">167</FONT> }<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> * See above<a name="line.170"></a> |
| <FONT color="green">171</FONT> */<a name="line.171"></a> |
| <FONT color="green">172</FONT> public static String padding(double length)<a name="line.172"></a> |
| <FONT color="green">173</FONT> {<a name="line.173"></a> |
| <FONT color="green">174</FONT> return padding(length, " ");<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> /**<a name="line.177"></a> |
| <FONT color="green">178</FONT> * The str:split function splits up a string and returns a node set of token <a name="line.178"></a> |
| <FONT color="green">179</FONT> * elements, each containing one token from the string. <a name="line.179"></a> |
| <FONT color="green">180</FONT> * <p><a name="line.180"></a> |
| <FONT color="green">181</FONT> * The first argument is the string to be split. The second argument is a pattern <a name="line.181"></a> |
| <FONT color="green">182</FONT> * string. The string given by the first argument is split at any occurrence of <a name="line.182"></a> |
| <FONT color="green">183</FONT> * this pattern. For example: <a name="line.183"></a> |
| <FONT color="green">184</FONT> * <pre><a name="line.184"></a> |
| <FONT color="green">185</FONT> * str:split('a, simple, list', ', ') gives the node set consisting of: <a name="line.185"></a> |
| <FONT color="green">186</FONT> *<a name="line.186"></a> |
| <FONT color="green">187</FONT> * <token>a</token><a name="line.187"></a> |
| <FONT color="green">188</FONT> * <token>simple</token><a name="line.188"></a> |
| <FONT color="green">189</FONT> * <token>list</token><a name="line.189"></a> |
| <FONT color="green">190</FONT> * </pre><a name="line.190"></a> |
| <FONT color="green">191</FONT> * If the second argument is omitted, the default is the string '&#x20;' (i.e. a space).<a name="line.191"></a> |
| <FONT color="green">192</FONT> *<a name="line.192"></a> |
| <FONT color="green">193</FONT> * @param str The string to be split<a name="line.193"></a> |
| <FONT color="green">194</FONT> * @param pattern The pattern<a name="line.194"></a> |
| <FONT color="green">195</FONT> *<a name="line.195"></a> |
| <FONT color="green">196</FONT> * @return A node set of split tokens<a name="line.196"></a> |
| <FONT color="green">197</FONT> */<a name="line.197"></a> |
| <FONT color="green">198</FONT> public static NodeList split(String str, String pattern)<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> <a name="line.201"></a> |
| <FONT color="green">202</FONT> NodeSet resultSet = new NodeSet();<a name="line.202"></a> |
| <FONT color="green">203</FONT> resultSet.setShouldCacheNodes(true);<a name="line.203"></a> |
| <FONT color="green">204</FONT> <a name="line.204"></a> |
| <FONT color="green">205</FONT> boolean done = false;<a name="line.205"></a> |
| <FONT color="green">206</FONT> int fromIndex = 0;<a name="line.206"></a> |
| <FONT color="green">207</FONT> int matchIndex = 0;<a name="line.207"></a> |
| <FONT color="green">208</FONT> String token = null;<a name="line.208"></a> |
| <FONT color="green">209</FONT> <a name="line.209"></a> |
| <FONT color="green">210</FONT> while (!done && fromIndex < str.length())<a name="line.210"></a> |
| <FONT color="green">211</FONT> {<a name="line.211"></a> |
| <FONT color="green">212</FONT> matchIndex = str.indexOf(pattern, fromIndex);<a name="line.212"></a> |
| <FONT color="green">213</FONT> if (matchIndex >= 0)<a name="line.213"></a> |
| <FONT color="green">214</FONT> {<a name="line.214"></a> |
| <FONT color="green">215</FONT> token = str.substring(fromIndex, matchIndex);<a name="line.215"></a> |
| <FONT color="green">216</FONT> fromIndex = matchIndex + pattern.length();<a name="line.216"></a> |
| <FONT color="green">217</FONT> }<a name="line.217"></a> |
| <FONT color="green">218</FONT> else<a name="line.218"></a> |
| <FONT color="green">219</FONT> {<a name="line.219"></a> |
| <FONT color="green">220</FONT> done = true;<a name="line.220"></a> |
| <FONT color="green">221</FONT> token = str.substring(fromIndex);<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> Document doc = DocumentHolder.m_doc;<a name="line.224"></a> |
| <FONT color="green">225</FONT> synchronized (doc)<a name="line.225"></a> |
| <FONT color="green">226</FONT> {<a name="line.226"></a> |
| <FONT color="green">227</FONT> Element element = doc.createElement("token");<a name="line.227"></a> |
| <FONT color="green">228</FONT> Text text = doc.createTextNode(token);<a name="line.228"></a> |
| <FONT color="green">229</FONT> element.appendChild(text);<a name="line.229"></a> |
| <FONT color="green">230</FONT> resultSet.addNode(element); <a name="line.230"></a> |
| <FONT color="green">231</FONT> }<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> return resultSet;<a name="line.234"></a> |
| <FONT color="green">235</FONT> }<a name="line.235"></a> |
| <FONT color="green">236</FONT> <a name="line.236"></a> |
| <FONT color="green">237</FONT> /**<a name="line.237"></a> |
| <FONT color="green">238</FONT> * See above<a name="line.238"></a> |
| <FONT color="green">239</FONT> */<a name="line.239"></a> |
| <FONT color="green">240</FONT> public static NodeList split(String str)<a name="line.240"></a> |
| <FONT color="green">241</FONT> {<a name="line.241"></a> |
| <FONT color="green">242</FONT> return split(str, " ");<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> /**<a name="line.245"></a> |
| <FONT color="green">246</FONT> * The str:tokenize function splits up a string and returns a node set of token <a name="line.246"></a> |
| <FONT color="green">247</FONT> * elements, each containing one token from the string. <a name="line.247"></a> |
| <FONT color="green">248</FONT> * <p><a name="line.248"></a> |
| <FONT color="green">249</FONT> * The first argument is the string to be tokenized. The second argument is a <a name="line.249"></a> |
| <FONT color="green">250</FONT> * string consisting of a number of characters. Each character in this string is <a name="line.250"></a> |
| <FONT color="green">251</FONT> * taken as a delimiting character. The string given by the first argument is split <a name="line.251"></a> |
| <FONT color="green">252</FONT> * at any occurrence of any of these characters. For example: <a name="line.252"></a> |
| <FONT color="green">253</FONT> * <pre><a name="line.253"></a> |
| <FONT color="green">254</FONT> * str:tokenize('2001-06-03T11:40:23', '-T:') gives the node set consisting of: <a name="line.254"></a> |
| <FONT color="green">255</FONT> *<a name="line.255"></a> |
| <FONT color="green">256</FONT> * <token>2001</token><a name="line.256"></a> |
| <FONT color="green">257</FONT> * <token>06</token><a name="line.257"></a> |
| <FONT color="green">258</FONT> * <token>03</token><a name="line.258"></a> |
| <FONT color="green">259</FONT> * <token>11</token><a name="line.259"></a> |
| <FONT color="green">260</FONT> * <token>40</token><a name="line.260"></a> |
| <FONT color="green">261</FONT> * <token>23</token><a name="line.261"></a> |
| <FONT color="green">262</FONT> * </pre><a name="line.262"></a> |
| <FONT color="green">263</FONT> * If the second argument is omitted, the default is the string '&#x9;&#xA;&#xD;&#x20;' <a name="line.263"></a> |
| <FONT color="green">264</FONT> * (i.e. whitespace characters). <a name="line.264"></a> |
| <FONT color="green">265</FONT> * <p><a name="line.265"></a> |
| <FONT color="green">266</FONT> * If the second argument is an empty string, the function returns a set of token <a name="line.266"></a> |
| <FONT color="green">267</FONT> * elements, each of which holds a single character.<a name="line.267"></a> |
| <FONT color="green">268</FONT> * <p><a name="line.268"></a> |
| <FONT color="green">269</FONT> * Note: This one is different from the tokenize extension function in the Xalan<a name="line.269"></a> |
| <FONT color="green">270</FONT> * namespace. The one in Xalan returns a set of Text nodes, while this one wraps<a name="line.270"></a> |
| <FONT color="green">271</FONT> * the Text nodes inside the token Element nodes.<a name="line.271"></a> |
| <FONT color="green">272</FONT> *<a name="line.272"></a> |
| <FONT color="green">273</FONT> * @param toTokenize The string to be tokenized<a name="line.273"></a> |
| <FONT color="green">274</FONT> * @param delims The delimiter string<a name="line.274"></a> |
| <FONT color="green">275</FONT> *<a name="line.275"></a> |
| <FONT color="green">276</FONT> * @return A node set of split token elements<a name="line.276"></a> |
| <FONT color="green">277</FONT> */<a name="line.277"></a> |
| <FONT color="green">278</FONT> public static NodeList tokenize(String toTokenize, String delims)<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> NodeSet resultSet = new NodeSet();<a name="line.282"></a> |
| <FONT color="green">283</FONT> <a name="line.283"></a> |
| <FONT color="green">284</FONT> if (delims != null && delims.length() > 0)<a name="line.284"></a> |
| <FONT color="green">285</FONT> {<a name="line.285"></a> |
| <FONT color="green">286</FONT> StringTokenizer lTokenizer = new StringTokenizer(toTokenize, delims);<a name="line.286"></a> |
| <FONT color="green">287</FONT> <a name="line.287"></a> |
| <FONT color="green">288</FONT> Document doc = DocumentHolder.m_doc;<a name="line.288"></a> |
| <FONT color="green">289</FONT> synchronized (doc)<a name="line.289"></a> |
| <FONT color="green">290</FONT> {<a name="line.290"></a> |
| <FONT color="green">291</FONT> while (lTokenizer.hasMoreTokens())<a name="line.291"></a> |
| <FONT color="green">292</FONT> {<a name="line.292"></a> |
| <FONT color="green">293</FONT> Element element = doc.createElement("token");<a name="line.293"></a> |
| <FONT color="green">294</FONT> element.appendChild(doc.createTextNode(lTokenizer.nextToken()));<a name="line.294"></a> |
| <FONT color="green">295</FONT> resultSet.addNode(element); <a name="line.295"></a> |
| <FONT color="green">296</FONT> }<a name="line.296"></a> |
| <FONT color="green">297</FONT> }<a name="line.297"></a> |
| <FONT color="green">298</FONT> }<a name="line.298"></a> |
| <FONT color="green">299</FONT> // If the delimiter is an empty string, create one token Element for <a name="line.299"></a> |
| <FONT color="green">300</FONT> // every single character.<a name="line.300"></a> |
| <FONT color="green">301</FONT> else<a name="line.301"></a> |
| <FONT color="green">302</FONT> {<a name="line.302"></a> |
| <FONT color="green">303</FONT> <a name="line.303"></a> |
| <FONT color="green">304</FONT> Document doc = DocumentHolder.m_doc;<a name="line.304"></a> |
| <FONT color="green">305</FONT> synchronized (doc)<a name="line.305"></a> |
| <FONT color="green">306</FONT> {<a name="line.306"></a> |
| <FONT color="green">307</FONT> for (int i = 0; i < toTokenize.length(); i++)<a name="line.307"></a> |
| <FONT color="green">308</FONT> {<a name="line.308"></a> |
| <FONT color="green">309</FONT> Element element = doc.createElement("token");<a name="line.309"></a> |
| <FONT color="green">310</FONT> element.appendChild(doc.createTextNode(toTokenize.substring(i, i+1)));<a name="line.310"></a> |
| <FONT color="green">311</FONT> resultSet.addNode(element); <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> }<a name="line.314"></a> |
| <FONT color="green">315</FONT> <a name="line.315"></a> |
| <FONT color="green">316</FONT> return resultSet;<a name="line.316"></a> |
| <FONT color="green">317</FONT> }<a name="line.317"></a> |
| <FONT color="green">318</FONT> <a name="line.318"></a> |
| <FONT color="green">319</FONT> /**<a name="line.319"></a> |
| <FONT color="green">320</FONT> * See above<a name="line.320"></a> |
| <FONT color="green">321</FONT> */<a name="line.321"></a> |
| <FONT color="green">322</FONT> public static NodeList tokenize(String toTokenize)<a name="line.322"></a> |
| <FONT color="green">323</FONT> {<a name="line.323"></a> |
| <FONT color="green">324</FONT> return tokenize(toTokenize, " \t\n\r");<a name="line.324"></a> |
| <FONT color="green">325</FONT> }<a name="line.325"></a> |
| <FONT color="green">326</FONT> /**<a name="line.326"></a> |
| <FONT color="green">327</FONT> * This class is not loaded until first referenced (see Java Language<a name="line.327"></a> |
| <FONT color="green">328</FONT> * Specification by Gosling/Joy/Steele, section 12.4.1)<a name="line.328"></a> |
| <FONT color="green">329</FONT> *<a name="line.329"></a> |
| <FONT color="green">330</FONT> * The static members are created when this class is first referenced, as a<a name="line.330"></a> |
| <FONT color="green">331</FONT> * lazy initialization not needing checking against null or any<a name="line.331"></a> |
| <FONT color="green">332</FONT> * synchronization.<a name="line.332"></a> |
| <FONT color="green">333</FONT> *<a name="line.333"></a> |
| <FONT color="green">334</FONT> */<a name="line.334"></a> |
| <FONT color="green">335</FONT> private static class DocumentHolder <a name="line.335"></a> |
| <FONT color="green">336</FONT> {<a name="line.336"></a> |
| <FONT color="green">337</FONT> // Reuse the Document object to reduce memory usage.<a name="line.337"></a> |
| <FONT color="green">338</FONT> private static final Document m_doc;<a name="line.338"></a> |
| <FONT color="green">339</FONT> static {<a name="line.339"></a> |
| <FONT color="green">340</FONT> try<a name="line.340"></a> |
| <FONT color="green">341</FONT> {<a name="line.341"></a> |
| <FONT color="green">342</FONT> m_doc =DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument();<a name="line.342"></a> |
| <FONT color="green">343</FONT> }<a name="line.343"></a> |
| <FONT color="green">344</FONT> <a name="line.344"></a> |
| <FONT color="green">345</FONT> catch(ParserConfigurationException pce)<a name="line.345"></a> |
| <FONT color="green">346</FONT> {<a name="line.346"></a> |
| <FONT color="green">347</FONT> throw new org.apache.xml.utils.WrappedRuntimeException(pce);<a name="line.347"></a> |
| <FONT color="green">348</FONT> }<a name="line.348"></a> |
| <FONT color="green">349</FONT> <a name="line.349"></a> |
| <FONT color="green">350</FONT> }<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> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </PRE> |
| </BODY> |
| </HTML> |
