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Jetty example source code file (WelcomeFilter.java)
The Jetty WelcomeFilter.java source code// ======================================================================== // Copyright 199-2004 Mort Bay Consulting Pty. Ltd. // ------------------------------------------------------------------------ // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // http://www.apache.org/licenses/LICENSE-2.0 // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. // ======================================================================== package org.mortbay.servlet; import java.io.IOException; import javax.servlet.Filter; import javax.servlet.FilterChain; import javax.servlet.FilterConfig; import javax.servlet.ServletException; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; import javax.servlet.http.HttpServletRequest; /* ------------------------------------------------------------ */ /** Welcome Filter * This filter can be used to server an index file for a directory * when no index file actually exists (thus the web.xml mechanism does * not work). * * This filter will dispatch requests to a directory (URLs ending with /) * to the welcome URL determined by the "welcome" init parameter. So if * the filter "welcome" init parameter is set to "index.do" then a request * to "/some/directory/" will be dispatched to "/some/directory/index.do" and * will be handled by any servlets mapped to that URL. * * Requests to "/some/directory" will be redirected to "/some/directory/". */ public class WelcomeFilter implements Filter { private String welcome; public void init(FilterConfig filterConfig) { welcome=filterConfig.getInitParameter("welcome"); if (welcome==null) welcome="index.html"; } /* ------------------------------------------------------------ */ public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { String path=((HttpServletRequest)request).getServletPath(); if (welcome!=null && path.endsWith("/")) request.getRequestDispatcher(path+welcome).forward(request,response); else chain.doFilter(request, response); } public void destroy() {} } Other Jetty examples (source code examples)Here is a short list of links related to this Jetty WelcomeFilter.java source code file: |
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