| <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<a name="line.6"></a> |
| <FONT color="green">007</FONT> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <FONT color="green">008</FONT> * with the License. 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,<a name="line.12"></a> |
| <FONT color="green">013</FONT> * software distributed under the License is distributed on an<a name="line.13"></a> |
| <FONT color="green">014</FONT> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.14"></a> |
| <FONT color="green">015</FONT> * KIND, either express or implied. See the License for the<a name="line.15"></a> |
| <FONT color="green">016</FONT> * specific language governing permissions and limitations<a name="line.16"></a> |
| <FONT color="green">017</FONT> * under the License.<a name="line.17"></a> |
| <FONT color="green">018</FONT> */<a name="line.18"></a> |
| <FONT color="green">019</FONT> package org.apache.shiro.web.servlet;<a name="line.19"></a> |
| <FONT color="green">020</FONT> <a name="line.20"></a> |
| <FONT color="green">021</FONT> import javax.servlet.ServletContext;<a name="line.21"></a> |
| <FONT color="green">022</FONT> import javax.servlet.http.HttpServletRequest;<a name="line.22"></a> |
| <FONT color="green">023</FONT> import javax.servlet.http.HttpServletResponse;<a name="line.23"></a> |
| <FONT color="green">024</FONT> import javax.servlet.http.HttpServletResponseWrapper;<a name="line.24"></a> |
| <FONT color="green">025</FONT> import javax.servlet.http.HttpSession;<a name="line.25"></a> |
| <FONT color="green">026</FONT> import java.io.IOException;<a name="line.26"></a> |
| <FONT color="green">027</FONT> import java.net.MalformedURLException;<a name="line.27"></a> |
| <FONT color="green">028</FONT> import java.net.URL;<a name="line.28"></a> |
| <FONT color="green">029</FONT> import java.net.URLEncoder;<a name="line.29"></a> |
| <FONT color="green">030</FONT> <a name="line.30"></a> |
| <FONT color="green">031</FONT> /**<a name="line.31"></a> |
| <FONT color="green">032</FONT> * HttpServletResponse implementation to support URL Encoding of Shiro Session IDs.<a name="line.32"></a> |
| <FONT color="green">033</FONT> * <p/><a name="line.33"></a> |
| <FONT color="green">034</FONT> * It is only used when using Shiro's native Session Management configuration (and not when using the Servlet<a name="line.34"></a> |
| <FONT color="green">035</FONT> * Container session configuration, which is Shiro's default in a web environment). Because the servlet container<a name="line.35"></a> |
| <FONT color="green">036</FONT> * already performs url encoding of its own session ids, instances of this class are only needed when using Shiro<a name="line.36"></a> |
| <FONT color="green">037</FONT> * native sessions.<a name="line.37"></a> |
| <FONT color="green">038</FONT> * <p/><a name="line.38"></a> |
| <FONT color="green">039</FONT> * Note that this implementation relies in part on source code from the Tomcat 6.x distribution for<a name="line.39"></a> |
| <FONT color="green">040</FONT> * encoding URLs for session ID URL Rewriting (we didn't want to re-invent the wheel). Since Shiro is also<a name="line.40"></a> |
| <FONT color="green">041</FONT> * Apache 2.0 license, all regular licenses and conditions have remained in tact.<a name="line.41"></a> |
| <FONT color="green">042</FONT> *<a name="line.42"></a> |
| <FONT color="green">043</FONT> * @since 0.2<a name="line.43"></a> |
| <FONT color="green">044</FONT> */<a name="line.44"></a> |
| <FONT color="green">045</FONT> public class ShiroHttpServletResponse extends HttpServletResponseWrapper {<a name="line.45"></a> |
| <FONT color="green">046</FONT> <a name="line.46"></a> |
| <FONT color="green">047</FONT> //TODO - complete JavaDoc<a name="line.47"></a> |
| <FONT color="green">048</FONT> <a name="line.48"></a> |
| <FONT color="green">049</FONT> private static final String DEFAULT_SESSION_ID_PARAMETER_NAME = ShiroHttpSession.DEFAULT_SESSION_ID_NAME;<a name="line.49"></a> |
| <FONT color="green">050</FONT> <a name="line.50"></a> |
| <FONT color="green">051</FONT> private ServletContext context = null;<a name="line.51"></a> |
| <FONT color="green">052</FONT> //the associated request<a name="line.52"></a> |
| <FONT color="green">053</FONT> private ShiroHttpServletRequest request = null;<a name="line.53"></a> |
| <FONT color="green">054</FONT> <a name="line.54"></a> |
| <FONT color="green">055</FONT> public ShiroHttpServletResponse(HttpServletResponse wrapped, ServletContext context, ShiroHttpServletRequest request) {<a name="line.55"></a> |
| <FONT color="green">056</FONT> super(wrapped);<a name="line.56"></a> |
| <FONT color="green">057</FONT> this.context = context;<a name="line.57"></a> |
| <FONT color="green">058</FONT> this.request = request;<a name="line.58"></a> |
| <FONT color="green">059</FONT> }<a name="line.59"></a> |
| <FONT color="green">060</FONT> <a name="line.60"></a> |
| <FONT color="green">061</FONT> @SuppressWarnings({"UnusedDeclaration"})<a name="line.61"></a> |
| <FONT color="green">062</FONT> public ServletContext getContext() {<a name="line.62"></a> |
| <FONT color="green">063</FONT> return context;<a name="line.63"></a> |
| <FONT color="green">064</FONT> }<a name="line.64"></a> |
| <FONT color="green">065</FONT> <a name="line.65"></a> |
| <FONT color="green">066</FONT> @SuppressWarnings({"UnusedDeclaration"})<a name="line.66"></a> |
| <FONT color="green">067</FONT> public void setContext(ServletContext context) {<a name="line.67"></a> |
| <FONT color="green">068</FONT> this.context = context;<a name="line.68"></a> |
| <FONT color="green">069</FONT> }<a name="line.69"></a> |
| <FONT color="green">070</FONT> <a name="line.70"></a> |
| <FONT color="green">071</FONT> public ShiroHttpServletRequest getRequest() {<a name="line.71"></a> |
| <FONT color="green">072</FONT> return request;<a name="line.72"></a> |
| <FONT color="green">073</FONT> }<a name="line.73"></a> |
| <FONT color="green">074</FONT> <a name="line.74"></a> |
| <FONT color="green">075</FONT> @SuppressWarnings({"UnusedDeclaration"})<a name="line.75"></a> |
| <FONT color="green">076</FONT> public void setRequest(ShiroHttpServletRequest request) {<a name="line.76"></a> |
| <FONT color="green">077</FONT> this.request = request;<a name="line.77"></a> |
| <FONT color="green">078</FONT> }<a name="line.78"></a> |
| <FONT color="green">079</FONT> <a name="line.79"></a> |
| <FONT color="green">080</FONT> /**<a name="line.80"></a> |
| <FONT color="green">081</FONT> * Encode the session identifier associated with this response<a name="line.81"></a> |
| <FONT color="green">082</FONT> * into the specified redirect URL, if necessary.<a name="line.82"></a> |
| <FONT color="green">083</FONT> *<a name="line.83"></a> |
| <FONT color="green">084</FONT> * @param url URL to be encoded<a name="line.84"></a> |
| <FONT color="green">085</FONT> */<a name="line.85"></a> |
| <FONT color="green">086</FONT> public String encodeRedirectURL(String url) {<a name="line.86"></a> |
| <FONT color="green">087</FONT> if (isEncodeable(toAbsolute(url))) {<a name="line.87"></a> |
| <FONT color="green">088</FONT> return toEncoded(url, request.getSession().getId());<a name="line.88"></a> |
| <FONT color="green">089</FONT> } else {<a name="line.89"></a> |
| <FONT color="green">090</FONT> return url;<a name="line.90"></a> |
| <FONT color="green">091</FONT> }<a name="line.91"></a> |
| <FONT color="green">092</FONT> }<a name="line.92"></a> |
| <FONT color="green">093</FONT> <a name="line.93"></a> |
| <FONT color="green">094</FONT> <a name="line.94"></a> |
| <FONT color="green">095</FONT> public String encodeRedirectUrl(String s) {<a name="line.95"></a> |
| <FONT color="green">096</FONT> return encodeRedirectURL(s);<a name="line.96"></a> |
| <FONT color="green">097</FONT> }<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> * Encode the session identifier associated with this response<a name="line.101"></a> |
| <FONT color="green">102</FONT> * into the specified URL, if necessary.<a name="line.102"></a> |
| <FONT color="green">103</FONT> *<a name="line.103"></a> |
| <FONT color="green">104</FONT> * @param url URL to be encoded<a name="line.104"></a> |
| <FONT color="green">105</FONT> */<a name="line.105"></a> |
| <FONT color="green">106</FONT> public String encodeURL(String url) {<a name="line.106"></a> |
| <FONT color="green">107</FONT> String absolute = toAbsolute(url);<a name="line.107"></a> |
| <FONT color="green">108</FONT> if (isEncodeable(absolute)) {<a name="line.108"></a> |
| <FONT color="green">109</FONT> // W3c spec clearly said<a name="line.109"></a> |
| <FONT color="green">110</FONT> if (url.equalsIgnoreCase("")) {<a name="line.110"></a> |
| <FONT color="green">111</FONT> url = absolute;<a name="line.111"></a> |
| <FONT color="green">112</FONT> }<a name="line.112"></a> |
| <FONT color="green">113</FONT> return toEncoded(url, request.getSession().getId());<a name="line.113"></a> |
| <FONT color="green">114</FONT> } else {<a name="line.114"></a> |
| <FONT color="green">115</FONT> return url;<a name="line.115"></a> |
| <FONT color="green">116</FONT> }<a name="line.116"></a> |
| <FONT color="green">117</FONT> }<a name="line.117"></a> |
| <FONT color="green">118</FONT> <a name="line.118"></a> |
| <FONT color="green">119</FONT> public String encodeUrl(String s) {<a name="line.119"></a> |
| <FONT color="green">120</FONT> return encodeURL(s);<a name="line.120"></a> |
| <FONT color="green">121</FONT> }<a name="line.121"></a> |
| <FONT color="green">122</FONT> <a name="line.122"></a> |
| <FONT color="green">123</FONT> /**<a name="line.123"></a> |
| <FONT color="green">124</FONT> * Return <code>true</code> if the specified URL should be encoded with<a name="line.124"></a> |
| <FONT color="green">125</FONT> * a session identifier. This will be true if all of the following<a name="line.125"></a> |
| <FONT color="green">126</FONT> * conditions are met:<a name="line.126"></a> |
| <FONT color="green">127</FONT> * <ul><a name="line.127"></a> |
| <FONT color="green">128</FONT> * <li>The request we are responding to asked for a valid session<a name="line.128"></a> |
| <FONT color="green">129</FONT> * <li>The requested session ID was not received via a cookie<a name="line.129"></a> |
| <FONT color="green">130</FONT> * <li>The specified URL points back to somewhere within the web<a name="line.130"></a> |
| <FONT color="green">131</FONT> * application that is responding to this request<a name="line.131"></a> |
| <FONT color="green">132</FONT> * </ul><a name="line.132"></a> |
| <FONT color="green">133</FONT> *<a name="line.133"></a> |
| <FONT color="green">134</FONT> * @param location Absolute URL to be validated<a name="line.134"></a> |
| <FONT color="green">135</FONT> * @return {@code true} if the specified URL should be encoded with a session identifier, {@code false} otherwise.<a name="line.135"></a> |
| <FONT color="green">136</FONT> */<a name="line.136"></a> |
| <FONT color="green">137</FONT> protected boolean isEncodeable(final String location) {<a name="line.137"></a> |
| <FONT color="green">138</FONT> <a name="line.138"></a> |
| <FONT color="green">139</FONT> if (location == null)<a name="line.139"></a> |
| <FONT color="green">140</FONT> return (false);<a name="line.140"></a> |
| <FONT color="green">141</FONT> <a name="line.141"></a> |
| <FONT color="green">142</FONT> // Is this an intra-document reference?<a name="line.142"></a> |
| <FONT color="green">143</FONT> if (location.startsWith("#"))<a name="line.143"></a> |
| <FONT color="green">144</FONT> return (false);<a name="line.144"></a> |
| <FONT color="green">145</FONT> <a name="line.145"></a> |
| <FONT color="green">146</FONT> // Are we in a valid session that is not using cookies?<a name="line.146"></a> |
| <FONT color="green">147</FONT> final HttpServletRequest hreq = request;<a name="line.147"></a> |
| <FONT color="green">148</FONT> final HttpSession session = hreq.getSession(false);<a name="line.148"></a> |
| <FONT color="green">149</FONT> if (session == null)<a name="line.149"></a> |
| <FONT color="green">150</FONT> return (false);<a name="line.150"></a> |
| <FONT color="green">151</FONT> if (hreq.isRequestedSessionIdFromCookie())<a name="line.151"></a> |
| <FONT color="green">152</FONT> return (false);<a name="line.152"></a> |
| <FONT color="green">153</FONT> <a name="line.153"></a> |
| <FONT color="green">154</FONT> return doIsEncodeable(hreq, session, location);<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> private boolean doIsEncodeable(HttpServletRequest hreq, HttpSession session, String location) {<a name="line.157"></a> |
| <FONT color="green">158</FONT> // Is this a valid absolute URL?<a name="line.158"></a> |
| <FONT color="green">159</FONT> URL url;<a name="line.159"></a> |
| <FONT color="green">160</FONT> try {<a name="line.160"></a> |
| <FONT color="green">161</FONT> url = new URL(location);<a name="line.161"></a> |
| <FONT color="green">162</FONT> } catch (MalformedURLException e) {<a name="line.162"></a> |
| <FONT color="green">163</FONT> return (false);<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> // Does this URL match down to (and including) the context path?<a name="line.166"></a> |
| <FONT color="green">167</FONT> if (!hreq.getScheme().equalsIgnoreCase(url.getProtocol()))<a name="line.167"></a> |
| <FONT color="green">168</FONT> return (false);<a name="line.168"></a> |
| <FONT color="green">169</FONT> if (!hreq.getServerName().equalsIgnoreCase(url.getHost()))<a name="line.169"></a> |
| <FONT color="green">170</FONT> return (false);<a name="line.170"></a> |
| <FONT color="green">171</FONT> int serverPort = hreq.getServerPort();<a name="line.171"></a> |
| <FONT color="green">172</FONT> if (serverPort == -1) {<a name="line.172"></a> |
| <FONT color="green">173</FONT> if ("https".equals(hreq.getScheme()))<a name="line.173"></a> |
| <FONT color="green">174</FONT> serverPort = 443;<a name="line.174"></a> |
| <FONT color="green">175</FONT> else<a name="line.175"></a> |
| <FONT color="green">176</FONT> serverPort = 80;<a name="line.176"></a> |
| <FONT color="green">177</FONT> }<a name="line.177"></a> |
| <FONT color="green">178</FONT> int urlPort = url.getPort();<a name="line.178"></a> |
| <FONT color="green">179</FONT> if (urlPort == -1) {<a name="line.179"></a> |
| <FONT color="green">180</FONT> if ("https".equals(url.getProtocol()))<a name="line.180"></a> |
| <FONT color="green">181</FONT> urlPort = 443;<a name="line.181"></a> |
| <FONT color="green">182</FONT> else<a name="line.182"></a> |
| <FONT color="green">183</FONT> urlPort = 80;<a name="line.183"></a> |
| <FONT color="green">184</FONT> }<a name="line.184"></a> |
| <FONT color="green">185</FONT> if (serverPort != urlPort)<a name="line.185"></a> |
| <FONT color="green">186</FONT> return (false);<a name="line.186"></a> |
| <FONT color="green">187</FONT> <a name="line.187"></a> |
| <FONT color="green">188</FONT> String contextPath = getRequest().getContextPath();<a name="line.188"></a> |
| <FONT color="green">189</FONT> if (contextPath != null) {<a name="line.189"></a> |
| <FONT color="green">190</FONT> String file = url.getFile();<a name="line.190"></a> |
| <FONT color="green">191</FONT> if ((file == null) || !file.startsWith(contextPath))<a name="line.191"></a> |
| <FONT color="green">192</FONT> return (false);<a name="line.192"></a> |
| <FONT color="green">193</FONT> String tok = ";" + DEFAULT_SESSION_ID_PARAMETER_NAME + "=" + session.getId();<a name="line.193"></a> |
| <FONT color="green">194</FONT> if (file.indexOf(tok, contextPath.length()) >= 0)<a name="line.194"></a> |
| <FONT color="green">195</FONT> return (false);<a name="line.195"></a> |
| <FONT color="green">196</FONT> }<a name="line.196"></a> |
| <FONT color="green">197</FONT> <a name="line.197"></a> |
| <FONT color="green">198</FONT> // This URL belongs to our web application, so it is encodeable<a name="line.198"></a> |
| <FONT color="green">199</FONT> return (true);<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> <a name="line.202"></a> |
| <FONT color="green">203</FONT> <a name="line.203"></a> |
| <FONT color="green">204</FONT> /**<a name="line.204"></a> |
| <FONT color="green">205</FONT> * Convert (if necessary) and return the absolute URL that represents the<a name="line.205"></a> |
| <FONT color="green">206</FONT> * resource referenced by this possibly relative URL. If this URL is<a name="line.206"></a> |
| <FONT color="green">207</FONT> * already absolute, return it unchanged.<a name="line.207"></a> |
| <FONT color="green">208</FONT> *<a name="line.208"></a> |
| <FONT color="green">209</FONT> * @param location URL to be (possibly) converted and then returned<a name="line.209"></a> |
| <FONT color="green">210</FONT> * @return resource location as an absolute url<a name="line.210"></a> |
| <FONT color="green">211</FONT> * @throws IllegalArgumentException if a MalformedURLException is<a name="line.211"></a> |
| <FONT color="green">212</FONT> * thrown when converting the relative URL to an absolute one<a name="line.212"></a> |
| <FONT color="green">213</FONT> */<a name="line.213"></a> |
| <FONT color="green">214</FONT> private String toAbsolute(String location) {<a name="line.214"></a> |
| <FONT color="green">215</FONT> <a name="line.215"></a> |
| <FONT color="green">216</FONT> if (location == null)<a name="line.216"></a> |
| <FONT color="green">217</FONT> return (location);<a name="line.217"></a> |
| <FONT color="green">218</FONT> <a name="line.218"></a> |
| <FONT color="green">219</FONT> boolean leadingSlash = location.startsWith("/");<a name="line.219"></a> |
| <FONT color="green">220</FONT> <a name="line.220"></a> |
| <FONT color="green">221</FONT> if (leadingSlash || !hasScheme(location)) {<a name="line.221"></a> |
| <FONT color="green">222</FONT> <a name="line.222"></a> |
| <FONT color="green">223</FONT> StringBuilder buf = new StringBuilder();<a name="line.223"></a> |
| <FONT color="green">224</FONT> <a name="line.224"></a> |
| <FONT color="green">225</FONT> String scheme = request.getScheme();<a name="line.225"></a> |
| <FONT color="green">226</FONT> String name = request.getServerName();<a name="line.226"></a> |
| <FONT color="green">227</FONT> int port = request.getServerPort();<a name="line.227"></a> |
| <FONT color="green">228</FONT> <a name="line.228"></a> |
| <FONT color="green">229</FONT> try {<a name="line.229"></a> |
| <FONT color="green">230</FONT> buf.append(scheme).append("://").append(name);<a name="line.230"></a> |
| <FONT color="green">231</FONT> if ((scheme.equals("http") && port != 80)<a name="line.231"></a> |
| <FONT color="green">232</FONT> || (scheme.equals("https") && port != 443)) {<a name="line.232"></a> |
| <FONT color="green">233</FONT> buf.append(':').append(port);<a name="line.233"></a> |
| <FONT color="green">234</FONT> }<a name="line.234"></a> |
| <FONT color="green">235</FONT> if (!leadingSlash) {<a name="line.235"></a> |
| <FONT color="green">236</FONT> String relativePath = request.getRequestURI();<a name="line.236"></a> |
| <FONT color="green">237</FONT> int pos = relativePath.lastIndexOf('/');<a name="line.237"></a> |
| <FONT color="green">238</FONT> relativePath = relativePath.substring(0, pos);<a name="line.238"></a> |
| <FONT color="green">239</FONT> <a name="line.239"></a> |
| <FONT color="green">240</FONT> String encodedURI = URLEncoder.encode(relativePath, getCharacterEncoding());<a name="line.240"></a> |
| <FONT color="green">241</FONT> buf.append(encodedURI).append('/');<a name="line.241"></a> |
| <FONT color="green">242</FONT> }<a name="line.242"></a> |
| <FONT color="green">243</FONT> buf.append(location);<a name="line.243"></a> |
| <FONT color="green">244</FONT> } catch (IOException e) {<a name="line.244"></a> |
| <FONT color="green">245</FONT> IllegalArgumentException iae = new IllegalArgumentException(location);<a name="line.245"></a> |
| <FONT color="green">246</FONT> iae.initCause(e);<a name="line.246"></a> |
| <FONT color="green">247</FONT> throw iae;<a name="line.247"></a> |
| <FONT color="green">248</FONT> }<a name="line.248"></a> |
| <FONT color="green">249</FONT> <a name="line.249"></a> |
| <FONT color="green">250</FONT> return buf.toString();<a name="line.250"></a> |
| <FONT color="green">251</FONT> <a name="line.251"></a> |
| <FONT color="green">252</FONT> } else {<a name="line.252"></a> |
| <FONT color="green">253</FONT> return location;<a name="line.253"></a> |
| <FONT color="green">254</FONT> }<a name="line.254"></a> |
| <FONT color="green">255</FONT> }<a name="line.255"></a> |
| <FONT color="green">256</FONT> <a name="line.256"></a> |
| <FONT color="green">257</FONT> /**<a name="line.257"></a> |
| <FONT color="green">258</FONT> * Determine if the character is allowed in the scheme of a URI.<a name="line.258"></a> |
| <FONT color="green">259</FONT> * See RFC 2396, Section 3.1<a name="line.259"></a> |
| <FONT color="green">260</FONT> *<a name="line.260"></a> |
| <FONT color="green">261</FONT> * @param c the character to check<a name="line.261"></a> |
| <FONT color="green">262</FONT> * @return {@code true} if the character is allowed in a URI scheme, {@code false} otherwise.<a name="line.262"></a> |
| <FONT color="green">263</FONT> */<a name="line.263"></a> |
| <FONT color="green">264</FONT> public static boolean isSchemeChar(char c) {<a name="line.264"></a> |
| <FONT color="green">265</FONT> return Character.isLetterOrDigit(c) ||<a name="line.265"></a> |
| <FONT color="green">266</FONT> c == '+' || c == '-' || c == '.';<a name="line.266"></a> |
| <FONT color="green">267</FONT> }<a name="line.267"></a> |
| <FONT color="green">268</FONT> <a name="line.268"></a> |
| <FONT color="green">269</FONT> <a name="line.269"></a> |
| <FONT color="green">270</FONT> /**<a name="line.270"></a> |
| <FONT color="green">271</FONT> * Returns {@code true} if the URI string has a {@code scheme} component, {@code false} otherwise.<a name="line.271"></a> |
| <FONT color="green">272</FONT> *<a name="line.272"></a> |
| <FONT color="green">273</FONT> * @param uri the URI string to check for a scheme component<a name="line.273"></a> |
| <FONT color="green">274</FONT> * @return {@code true} if the URI string has a {@code scheme} component, {@code false} otherwise.<a name="line.274"></a> |
| <FONT color="green">275</FONT> */<a name="line.275"></a> |
| <FONT color="green">276</FONT> private boolean hasScheme(String uri) {<a name="line.276"></a> |
| <FONT color="green">277</FONT> int len = uri.length();<a name="line.277"></a> |
| <FONT color="green">278</FONT> for (int i = 0; i < len; i++) {<a name="line.278"></a> |
| <FONT color="green">279</FONT> char c = uri.charAt(i);<a name="line.279"></a> |
| <FONT color="green">280</FONT> if (c == ':') {<a name="line.280"></a> |
| <FONT color="green">281</FONT> return i > 0;<a name="line.281"></a> |
| <FONT color="green">282</FONT> } else if (!isSchemeChar(c)) {<a name="line.282"></a> |
| <FONT color="green">283</FONT> return false;<a name="line.283"></a> |
| <FONT color="green">284</FONT> }<a name="line.284"></a> |
| <FONT color="green">285</FONT> }<a name="line.285"></a> |
| <FONT color="green">286</FONT> return false;<a name="line.286"></a> |
| <FONT color="green">287</FONT> }<a name="line.287"></a> |
| <FONT color="green">288</FONT> <a name="line.288"></a> |
| <FONT color="green">289</FONT> /**<a name="line.289"></a> |
| <FONT color="green">290</FONT> * Return the specified URL with the specified session identifier suitably encoded.<a name="line.290"></a> |
| <FONT color="green">291</FONT> *<a name="line.291"></a> |
| <FONT color="green">292</FONT> * @param url URL to be encoded with the session id<a name="line.292"></a> |
| <FONT color="green">293</FONT> * @param sessionId Session id to be included in the encoded URL<a name="line.293"></a> |
| <FONT color="green">294</FONT> * @return the url with the session identifer properly encoded.<a name="line.294"></a> |
| <FONT color="green">295</FONT> */<a name="line.295"></a> |
| <FONT color="green">296</FONT> protected String toEncoded(String url, String sessionId) {<a name="line.296"></a> |
| <FONT color="green">297</FONT> <a name="line.297"></a> |
| <FONT color="green">298</FONT> if ((url == null) || (sessionId == null))<a name="line.298"></a> |
| <FONT color="green">299</FONT> return (url);<a name="line.299"></a> |
| <FONT color="green">300</FONT> <a name="line.300"></a> |
| <FONT color="green">301</FONT> String path = url;<a name="line.301"></a> |
| <FONT color="green">302</FONT> String query = "";<a name="line.302"></a> |
| <FONT color="green">303</FONT> String anchor = "";<a name="line.303"></a> |
| <FONT color="green">304</FONT> int question = url.indexOf('?');<a name="line.304"></a> |
| <FONT color="green">305</FONT> if (question >= 0) {<a name="line.305"></a> |
| <FONT color="green">306</FONT> path = url.substring(0, question);<a name="line.306"></a> |
| <FONT color="green">307</FONT> query = url.substring(question);<a name="line.307"></a> |
| <FONT color="green">308</FONT> }<a name="line.308"></a> |
| <FONT color="green">309</FONT> int pound = path.indexOf('#');<a name="line.309"></a> |
| <FONT color="green">310</FONT> if (pound >= 0) {<a name="line.310"></a> |
| <FONT color="green">311</FONT> anchor = path.substring(pound);<a name="line.311"></a> |
| <FONT color="green">312</FONT> path = path.substring(0, pound);<a name="line.312"></a> |
| <FONT color="green">313</FONT> }<a name="line.313"></a> |
| <FONT color="green">314</FONT> StringBuilder sb = new StringBuilder(path);<a name="line.314"></a> |
| <FONT color="green">315</FONT> if (sb.length() > 0) { // session id param can't be first.<a name="line.315"></a> |
| <FONT color="green">316</FONT> sb.append(";");<a name="line.316"></a> |
| <FONT color="green">317</FONT> sb.append(DEFAULT_SESSION_ID_PARAMETER_NAME);<a name="line.317"></a> |
| <FONT color="green">318</FONT> sb.append("=");<a name="line.318"></a> |
| <FONT color="green">319</FONT> sb.append(sessionId);<a name="line.319"></a> |
| <FONT color="green">320</FONT> }<a name="line.320"></a> |
| <FONT color="green">321</FONT> sb.append(anchor);<a name="line.321"></a> |
| <FONT color="green">322</FONT> sb.append(query);<a name="line.322"></a> |
| <FONT color="green">323</FONT> return (sb.toString());<a name="line.323"></a> |
| <FONT color="green">324</FONT> <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> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </PRE> |
| </BODY> |
| </HTML> |
