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| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing,<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * software distributed under the License is distributed on an<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * KIND, either express or implied. See the License for the<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * specific language governing permissions and limitations<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> * under the License.<a name="line.17"></a> |
| <span class="sourceLineNo">018</span> */<a name="line.18"></a> |
| <span class="sourceLineNo">019</span>package org.apache.shiro.util;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span>/**<a name="line.21"></a> |
| <span class="sourceLineNo">022</span> * <p>PathMatcher implementation for Ant-style path patterns.<a name="line.22"></a> |
| <span class="sourceLineNo">023</span> * Examples are provided below.</p><a name="line.23"></a> |
| <span class="sourceLineNo">024</span> *<a name="line.24"></a> |
| <span class="sourceLineNo">025</span> * <p>Part of this mapping code has been kindly borrowed from<a name="line.25"></a> |
| <span class="sourceLineNo">026</span> * <a href="http://ant.apache.org">Apache Ant</a>.<a name="line.26"></a> |
| <span class="sourceLineNo">027</span> *<a name="line.27"></a> |
| <span class="sourceLineNo">028</span> * <p>The mapping matches URLs using the following rules:<br><a name="line.28"></a> |
| <span class="sourceLineNo">029</span> * <ul><a name="line.29"></a> |
| <span class="sourceLineNo">030</span> * <li>? matches one character</li><a name="line.30"></a> |
| <span class="sourceLineNo">031</span> * <li>* matches zero or more characters</li><a name="line.31"></a> |
| <span class="sourceLineNo">032</span> * <li>** matches zero or more 'directories' in a path</li><a name="line.32"></a> |
| <span class="sourceLineNo">033</span> * </ul><a name="line.33"></a> |
| <span class="sourceLineNo">034</span> *<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> * <p>Some examples:<br><a name="line.35"></a> |
| <span class="sourceLineNo">036</span> * <ul><a name="line.36"></a> |
| <span class="sourceLineNo">037</span> * <li><code>com/t?st.jsp</code> - matches <code>com/test.jsp</code> but also<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> * <code>com/tast.jsp</code> or <code>com/txst.jsp</code></li><a name="line.38"></a> |
| <span class="sourceLineNo">039</span> * <li><code>com/*.jsp</code> - matches all <code>.jsp</code> files in the<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> * <code>com</code> directory</li><a name="line.40"></a> |
| <span class="sourceLineNo">041</span> * <li><code>com/&#42;&#42;/test.jsp</code> - matches all <code>test.jsp</code><a name="line.41"></a> |
| <span class="sourceLineNo">042</span> * files underneath the <code>com</code> path</li><a name="line.42"></a> |
| <span class="sourceLineNo">043</span> * <li><code>org/apache/shiro/&#42;&#42;/*.jsp</code> - matches all <code>.jsp</code><a name="line.43"></a> |
| <span class="sourceLineNo">044</span> * files underneath the <code>org/apache/shiro</code> path</li><a name="line.44"></a> |
| <span class="sourceLineNo">045</span> * <li><code>org/&#42;&#42;/servlet/bla.jsp</code> - matches<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> * <code>org/apache/shiro/servlet/bla.jsp</code> but also<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> * <code>org/apache/shiro/testing/servlet/bla.jsp</code> and<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> * <code>org/servlet/bla.jsp</code></li><a name="line.48"></a> |
| <span class="sourceLineNo">049</span> * </ul><a name="line.49"></a> |
| <span class="sourceLineNo">050</span> *<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> * <p><b>N.B.</b>: This class was borrowed (with much appreciation) from the<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> * <a href="http://www.springframework.org">Spring Framework</a> with modifications. We didn't want to reinvent the<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> * wheel of great work they've done, but also didn't want to force every Shiro user to depend on Spring</p><a name="line.53"></a> |
| <span class="sourceLineNo">054</span> *<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> * <p>As per the Apache 2.0 license, the original copyright notice and all author and copyright information have<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> * remained in tact.</p><a name="line.56"></a> |
| <span class="sourceLineNo">057</span> *<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> * @since 16.07.2003<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> */<a name="line.59"></a> |
| <span class="sourceLineNo">060</span>public class AntPathMatcher implements PatternMatcher {<a name="line.60"></a> |
| <span class="sourceLineNo">061</span><a name="line.61"></a> |
| <span class="sourceLineNo">062</span> //TODO - complete JavaDoc<a name="line.62"></a> |
| <span class="sourceLineNo">063</span><a name="line.63"></a> |
| <span class="sourceLineNo">064</span> /**<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> * Default path separator: "/"<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> */<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> public static final String DEFAULT_PATH_SEPARATOR = "/";<a name="line.67"></a> |
| <span class="sourceLineNo">068</span><a name="line.68"></a> |
| <span class="sourceLineNo">069</span> private String pathSeparator = DEFAULT_PATH_SEPARATOR;<a name="line.69"></a> |
| <span class="sourceLineNo">070</span><a name="line.70"></a> |
| <span class="sourceLineNo">071</span><a name="line.71"></a> |
| <span class="sourceLineNo">072</span> /**<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> * Set the path separator to use for pattern parsing.<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> * Default is "/", as in Ant.<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> */<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> public void setPathSeparator(String pathSeparator) {<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> this.pathSeparator = (pathSeparator != null ? pathSeparator : DEFAULT_PATH_SEPARATOR);<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> }<a name="line.78"></a> |
| <span class="sourceLineNo">079</span><a name="line.79"></a> |
| <span class="sourceLineNo">080</span><a name="line.80"></a> |
| <span class="sourceLineNo">081</span> public boolean isPattern(String path) {<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> return (path.indexOf('*') != -1 || path.indexOf('?') != -1);<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> }<a name="line.83"></a> |
| <span class="sourceLineNo">084</span><a name="line.84"></a> |
| <span class="sourceLineNo">085</span> public boolean matches(String pattern, String source) {<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> return match(pattern, source);<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> }<a name="line.87"></a> |
| <span class="sourceLineNo">088</span><a name="line.88"></a> |
| <span class="sourceLineNo">089</span> public boolean match(String pattern, String path) {<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> return doMatch(pattern, path, true);<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> }<a name="line.91"></a> |
| <span class="sourceLineNo">092</span><a name="line.92"></a> |
| <span class="sourceLineNo">093</span> public boolean matchStart(String pattern, String path) {<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> return doMatch(pattern, path, false);<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> }<a name="line.95"></a> |
| <span class="sourceLineNo">096</span><a name="line.96"></a> |
| <span class="sourceLineNo">097</span><a name="line.97"></a> |
| <span class="sourceLineNo">098</span> /**<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> * Actually match the given <code>path</code> against the given <code>pattern</code>.<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> *<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> * @param pattern the pattern to match against<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> * @param path the path String to test<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> * @param fullMatch whether a full pattern match is required<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> * (else a pattern match as far as the given base path goes is sufficient)<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> * @return <code>true</code> if the supplied <code>path</code> matched,<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> * <code>false</code> if it didn't<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> */<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> protected boolean doMatch(String pattern, String path, boolean fullMatch) {<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> if (path.startsWith(this.pathSeparator) != pattern.startsWith(this.pathSeparator)) {<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> return false;<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> }<a name="line.111"></a> |
| <span class="sourceLineNo">112</span><a name="line.112"></a> |
| <span class="sourceLineNo">113</span> String[] pattDirs = StringUtils.tokenizeToStringArray(pattern, this.pathSeparator);<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> String[] pathDirs = StringUtils.tokenizeToStringArray(path, this.pathSeparator);<a name="line.114"></a> |
| <span class="sourceLineNo">115</span><a name="line.115"></a> |
| <span class="sourceLineNo">116</span> int pattIdxStart = 0;<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> int pattIdxEnd = pattDirs.length - 1;<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> int pathIdxStart = 0;<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> int pathIdxEnd = pathDirs.length - 1;<a name="line.119"></a> |
| <span class="sourceLineNo">120</span><a name="line.120"></a> |
| <span class="sourceLineNo">121</span> // Match all elements up to the first **<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> while (pattIdxStart <= pattIdxEnd && pathIdxStart <= pathIdxEnd) {<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> String patDir = pattDirs[pattIdxStart];<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> if ("**".equals(patDir)) {<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> break;<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> }<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> if (!matchStrings(patDir, pathDirs[pathIdxStart])) {<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> return false;<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> }<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> pattIdxStart++;<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> pathIdxStart++;<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> }<a name="line.132"></a> |
| <span class="sourceLineNo">133</span><a name="line.133"></a> |
| <span class="sourceLineNo">134</span> if (pathIdxStart > pathIdxEnd) {<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> // Path is exhausted, only match if rest of pattern is * or **'s<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> if (pattIdxStart > pattIdxEnd) {<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> return (pattern.endsWith(this.pathSeparator) ?<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> path.endsWith(this.pathSeparator) : !path.endsWith(this.pathSeparator));<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> }<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> if (!fullMatch) {<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> return true;<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> }<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> if (pattIdxStart == pattIdxEnd && pattDirs[pattIdxStart].equals("*") &&<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> path.endsWith(this.pathSeparator)) {<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> return true;<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> }<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> for (int i = pattIdxStart; i <= pattIdxEnd; i++) {<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> if (!pattDirs[i].equals("**")) {<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> return false;<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> }<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> }<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> return true;<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> } else if (pattIdxStart > pattIdxEnd) {<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> // String not exhausted, but pattern is. Failure.<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> return false;<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> } else if (!fullMatch && "**".equals(pattDirs[pattIdxStart])) {<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> // Path start definitely matches due to "**" part in pattern.<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> return true;<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> }<a name="line.159"></a> |
| <span class="sourceLineNo">160</span><a name="line.160"></a> |
| <span class="sourceLineNo">161</span> // up to last '**'<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> while (pattIdxStart <= pattIdxEnd && pathIdxStart <= pathIdxEnd) {<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> String patDir = pattDirs[pattIdxEnd];<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> if (patDir.equals("**")) {<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> break;<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> }<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> if (!matchStrings(patDir, pathDirs[pathIdxEnd])) {<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> return false;<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> }<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> pattIdxEnd--;<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> pathIdxEnd--;<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> }<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> if (pathIdxStart > pathIdxEnd) {<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> // String is exhausted<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> for (int i = pattIdxStart; i <= pattIdxEnd; i++) {<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> if (!pattDirs[i].equals("**")) {<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> return false;<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> }<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> }<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> return true;<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> }<a name="line.181"></a> |
| <span class="sourceLineNo">182</span><a name="line.182"></a> |
| <span class="sourceLineNo">183</span> while (pattIdxStart != pattIdxEnd && pathIdxStart <= pathIdxEnd) {<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> int patIdxTmp = -1;<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> for (int i = pattIdxStart + 1; i <= pattIdxEnd; i++) {<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> if (pattDirs[i].equals("**")) {<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> patIdxTmp = i;<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> break;<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> }<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> }<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> if (patIdxTmp == pattIdxStart + 1) {<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> // '**/**' situation, so skip one<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> pattIdxStart++;<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> continue;<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> }<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> // Find the pattern between padIdxStart & padIdxTmp in str between<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> // strIdxStart & strIdxEnd<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> int patLength = (patIdxTmp - pattIdxStart - 1);<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> int strLength = (pathIdxEnd - pathIdxStart + 1);<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> int foundIdx = -1;<a name="line.200"></a> |
| <span class="sourceLineNo">201</span><a name="line.201"></a> |
| <span class="sourceLineNo">202</span> strLoop:<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> for (int i = 0; i <= strLength - patLength; i++) {<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> for (int j = 0; j < patLength; j++) {<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> String subPat = (String) pattDirs[pattIdxStart + j + 1];<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> String subStr = (String) pathDirs[pathIdxStart + i + j];<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> if (!matchStrings(subPat, subStr)) {<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> continue strLoop;<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> }<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> }<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> foundIdx = pathIdxStart + i;<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> break;<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> }<a name="line.213"></a> |
| <span class="sourceLineNo">214</span><a name="line.214"></a> |
| <span class="sourceLineNo">215</span> if (foundIdx == -1) {<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> return false;<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> }<a name="line.217"></a> |
| <span class="sourceLineNo">218</span><a name="line.218"></a> |
| <span class="sourceLineNo">219</span> pattIdxStart = patIdxTmp;<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> pathIdxStart = foundIdx + patLength;<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> }<a name="line.221"></a> |
| <span class="sourceLineNo">222</span><a name="line.222"></a> |
| <span class="sourceLineNo">223</span> for (int i = pattIdxStart; i <= pattIdxEnd; i++) {<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> if (!pattDirs[i].equals("**")) {<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> return false;<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> }<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> }<a name="line.227"></a> |
| <span class="sourceLineNo">228</span><a name="line.228"></a> |
| <span class="sourceLineNo">229</span> return true;<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> }<a name="line.230"></a> |
| <span class="sourceLineNo">231</span><a name="line.231"></a> |
| <span class="sourceLineNo">232</span> /**<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> * Tests whether or not a string matches against a pattern.<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> * The pattern may contain two special characters:<br><a name="line.234"></a> |
| <span class="sourceLineNo">235</span> * '*' means zero or more characters<br><a name="line.235"></a> |
| <span class="sourceLineNo">236</span> * '?' means one and only one character<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> *<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> * @param pattern pattern to match against.<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> * Must not be <code>null</code>.<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> * @param str string which must be matched against the pattern.<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> * Must not be <code>null</code>.<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> * @return <code>true</code> if the string matches against the<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> * pattern, or <code>false</code> otherwise.<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> */<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> private boolean matchStrings(String pattern, String str) {<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> char[] patArr = pattern.toCharArray();<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> char[] strArr = str.toCharArray();<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> int patIdxStart = 0;<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> int patIdxEnd = patArr.length - 1;<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> int strIdxStart = 0;<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> int strIdxEnd = strArr.length - 1;<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> char ch;<a name="line.252"></a> |
| <span class="sourceLineNo">253</span><a name="line.253"></a> |
| <span class="sourceLineNo">254</span> boolean containsStar = false;<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> for (char aPatArr : patArr) {<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> if (aPatArr == '*') {<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> containsStar = true;<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> break;<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> }<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> }<a name="line.260"></a> |
| <span class="sourceLineNo">261</span><a name="line.261"></a> |
| <span class="sourceLineNo">262</span> if (!containsStar) {<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> // No '*'s, so we make a shortcut<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> if (patIdxEnd != strIdxEnd) {<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> return false; // Pattern and string do not have the same size<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> }<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> for (int i = 0; i <= patIdxEnd; i++) {<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> ch = patArr[i];<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> if (ch != '?') {<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> if (ch != strArr[i]) {<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> return false;// Character mismatch<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> }<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> }<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> }<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> return true; // String matches against pattern<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> }<a name="line.276"></a> |
| <span class="sourceLineNo">277</span><a name="line.277"></a> |
| <span class="sourceLineNo">278</span><a name="line.278"></a> |
| <span class="sourceLineNo">279</span> if (patIdxEnd == 0) {<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> return true; // Pattern contains only '*', which matches anything<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> }<a name="line.281"></a> |
| <span class="sourceLineNo">282</span><a name="line.282"></a> |
| <span class="sourceLineNo">283</span> // Process characters before first star<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> while ((ch = patArr[patIdxStart]) != '*' && strIdxStart <= strIdxEnd) {<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> if (ch != '?') {<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> if (ch != strArr[strIdxStart]) {<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> return false;// Character mismatch<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> }<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> }<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> patIdxStart++;<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> strIdxStart++;<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> }<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> if (strIdxStart > strIdxEnd) {<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> // All characters in the string are used. Check if only '*'s are<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> // left in the pattern. If so, we succeeded. Otherwise failure.<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> for (int i = patIdxStart; i <= patIdxEnd; i++) {<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> if (patArr[i] != '*') {<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> return false;<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> }<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> }<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> return true;<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> }<a name="line.302"></a> |
| <span class="sourceLineNo">303</span><a name="line.303"></a> |
| <span class="sourceLineNo">304</span> // Process characters after last star<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> while ((ch = patArr[patIdxEnd]) != '*' && strIdxStart <= strIdxEnd) {<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> if (ch != '?') {<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> if (ch != strArr[strIdxEnd]) {<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> return false;// Character mismatch<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> }<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> }<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> patIdxEnd--;<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> strIdxEnd--;<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> }<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> if (strIdxStart > strIdxEnd) {<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> // All characters in the string are used. Check if only '*'s are<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> // left in the pattern. If so, we succeeded. Otherwise failure.<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> for (int i = patIdxStart; i <= patIdxEnd; i++) {<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> if (patArr[i] != '*') {<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> return false;<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> }<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> }<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> return true;<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> }<a name="line.323"></a> |
| <span class="sourceLineNo">324</span><a name="line.324"></a> |
| <span class="sourceLineNo">325</span> // process pattern between stars. padIdxStart and patIdxEnd point<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> // always to a '*'.<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> while (patIdxStart != patIdxEnd && strIdxStart <= strIdxEnd) {<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> int patIdxTmp = -1;<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> for (int i = patIdxStart + 1; i <= patIdxEnd; i++) {<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> if (patArr[i] == '*') {<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> patIdxTmp = i;<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> break;<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> }<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> }<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> if (patIdxTmp == patIdxStart + 1) {<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> // Two stars next to each other, skip the first one.<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> patIdxStart++;<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> continue;<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> }<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> // Find the pattern between padIdxStart & padIdxTmp in str between<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> // strIdxStart & strIdxEnd<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> int patLength = (patIdxTmp - patIdxStart - 1);<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> int strLength = (strIdxEnd - strIdxStart + 1);<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> int foundIdx = -1;<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> strLoop:<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> for (int i = 0; i <= strLength - patLength; i++) {<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> for (int j = 0; j < patLength; j++) {<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> ch = patArr[patIdxStart + j + 1];<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> if (ch != '?') {<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> if (ch != strArr[strIdxStart + i + j]) {<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> continue strLoop;<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> }<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> }<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> }<a name="line.354"></a> |
| <span class="sourceLineNo">355</span><a name="line.355"></a> |
| <span class="sourceLineNo">356</span> foundIdx = strIdxStart + i;<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> break;<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> }<a name="line.358"></a> |
| <span class="sourceLineNo">359</span><a name="line.359"></a> |
| <span class="sourceLineNo">360</span> if (foundIdx == -1) {<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> return false;<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> }<a name="line.362"></a> |
| <span class="sourceLineNo">363</span><a name="line.363"></a> |
| <span class="sourceLineNo">364</span> patIdxStart = patIdxTmp;<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> strIdxStart = foundIdx + patLength;<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> }<a name="line.366"></a> |
| <span class="sourceLineNo">367</span><a name="line.367"></a> |
| <span class="sourceLineNo">368</span> // All characters in the string are used. Check if only '*'s are left<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> // in the pattern. If so, we succeeded. Otherwise failure.<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> for (int i = patIdxStart; i <= patIdxEnd; i++) {<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> if (patArr[i] != '*') {<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> return false;<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> }<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> }<a name="line.374"></a> |
| <span class="sourceLineNo">375</span><a name="line.375"></a> |
| <span class="sourceLineNo">376</span> return true;<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> }<a name="line.377"></a> |
| <span class="sourceLineNo">378</span><a name="line.378"></a> |
| <span class="sourceLineNo">379</span> /**<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> * Given a pattern and a full path, determine the pattern-mapped part.<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> * <p>For example:<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> * <ul><a name="line.382"></a> |
| <span class="sourceLineNo">383</span> * <li>'<code>/docs/cvs/commit.html</code>' and '<code>/docs/cvs/commit.html</code> -> ''</li><a name="line.383"></a> |
| <span class="sourceLineNo">384</span> * <li>'<code>/docs/*</code>' and '<code>/docs/cvs/commit</code> -> '<code>cvs/commit</code>'</li><a name="line.384"></a> |
| <span class="sourceLineNo">385</span> * <li>'<code>/docs/cvs/*.html</code>' and '<code>/docs/cvs/commit.html</code> -> '<code>commit.html</code>'</li><a name="line.385"></a> |
| <span class="sourceLineNo">386</span> * <li>'<code>/docs/**</code>' and '<code>/docs/cvs/commit</code> -> '<code>cvs/commit</code>'</li><a name="line.386"></a> |
| <span class="sourceLineNo">387</span> * <li>'<code>/docs/**\/*.html</code>' and '<code>/docs/cvs/commit.html</code> -> '<code>cvs/commit.html</code>'</li><a name="line.387"></a> |
| <span class="sourceLineNo">388</span> * <li>'<code>/*.html</code>' and '<code>/docs/cvs/commit.html</code> -> '<code>docs/cvs/commit.html</code>'</li><a name="line.388"></a> |
| <span class="sourceLineNo">389</span> * <li>'<code>*.html</code>' and '<code>/docs/cvs/commit.html</code> -> '<code>/docs/cvs/commit.html</code>'</li><a name="line.389"></a> |
| <span class="sourceLineNo">390</span> * <li>'<code>*</code>' and '<code>/docs/cvs/commit.html</code> -> '<code>/docs/cvs/commit.html</code>'</li><a name="line.390"></a> |
| <span class="sourceLineNo">391</span> * </ul><a name="line.391"></a> |
| <span class="sourceLineNo">392</span> * <p>Assumes that {@link #match} returns <code>true</code> for '<code>pattern</code>'<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> * and '<code>path</code>', but does <strong>not</strong> enforce this.<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> */<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> public String extractPathWithinPattern(String pattern, String path) {<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> String[] patternParts = StringUtils.tokenizeToStringArray(pattern, this.pathSeparator);<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> String[] pathParts = StringUtils.tokenizeToStringArray(path, this.pathSeparator);<a name="line.397"></a> |
| <span class="sourceLineNo">398</span><a name="line.398"></a> |
| <span class="sourceLineNo">399</span> StringBuilder buffer = new StringBuilder();<a name="line.399"></a> |
| <span class="sourceLineNo">400</span><a name="line.400"></a> |
| <span class="sourceLineNo">401</span> // Add any path parts that have a wildcarded pattern part.<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> int puts = 0;<a name="line.402"></a> |
| <span class="sourceLineNo">403</span> for (int i = 0; i < patternParts.length; i++) {<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> String patternPart = patternParts[i];<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> if ((patternPart.indexOf('*') > -1 || patternPart.indexOf('?') > -1) && pathParts.length >= i + 1) {<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> if (puts > 0 || (i == 0 && !pattern.startsWith(this.pathSeparator))) {<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> buffer.append(this.pathSeparator);<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> }<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> buffer.append(pathParts[i]);<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> puts++;<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> }<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> }<a name="line.412"></a> |
| <span class="sourceLineNo">413</span><a name="line.413"></a> |
| <span class="sourceLineNo">414</span> // Append any trailing path parts.<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> for (int i = patternParts.length; i < pathParts.length; i++) {<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> if (puts > 0 || i > 0) {<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> buffer.append(this.pathSeparator);<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> }<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> buffer.append(pathParts[i]);<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> }<a name="line.420"></a> |
| <span class="sourceLineNo">421</span><a name="line.421"></a> |
| <span class="sourceLineNo">422</span> return buffer.toString();<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> }<a name="line.423"></a> |
| <span class="sourceLineNo">424</span><a name="line.424"></a> |
| <span class="sourceLineNo">425</span>}<a name="line.425"></a> |
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