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• ContextHandlerCollection.java

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org.eclipse.jetty.server.handler.ContextHandlerCollection Maven / Gradle / Ivy

// ========================================================================
// Copyright (c) 2006-2009 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
// The Eclipse Public License is available at 
// http://www.eclipse.org/legal/epl-v10.html
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
// You may elect to redistribute this code under either of these licenses. 
// ========================================================================

package org.eclipse.jetty.server.handler;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.eclipse.jetty.http.PathMap;
import org.eclipse.jetty.server.AsyncContinuation;
import org.eclipse.jetty.server.Handler;
import org.eclipse.jetty.server.HandlerContainer;
import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.util.LazyList;
import org.eclipse.jetty.util.log.Log;

/* ------------------------------------------------------------ */
/** ContextHandlerCollection.
 * 
 * This {@link org.eclipse.jetty.server.handler.HandlerCollection} is creates a 
 * {@link org.eclipse.jetty.http.PathMap} to it's contained handlers based
 * on the context path and virtual hosts of any contained {@link org.eclipse.jetty.server.handler.ContextHandler}s.
 * The contexts do not need to be directly contained, only children of the contained handlers.
 * Multiple contexts may have the same context path and they are called in order until one
 * handles the request.  
 * 
 * @org.apache.xbean.XBean element="contexts"
 */
public class ContextHandlerCollection extends HandlerCollection
{ 
    private volatile PathMap _contextMap;
    private Class _contextClass = ContextHandler.class;
    
    /* ------------------------------------------------------------ */
    public ContextHandlerCollection()
    {
        super(true);
    }


    /* ------------------------------------------------------------ */
    /**
     * Remap the context paths.
     */
    public void mapContexts()
    {
        PathMap contextMap = new PathMap();
        Handler[] branches = getHandlers();
        
        
        for (int b=0;branches!=null && b=0 || contextPath.startsWith("*"))
                    throw new IllegalArgumentException ("Illegal context spec:"+contextPath);

                if(!contextPath.startsWith("/"))
                    contextPath='/'+contextPath;

                if (contextPath.length()>1)
                {
                    if (contextPath.endsWith("/"))
                        contextPath+="*";
                    else if (!contextPath.endsWith("/*"))
                        contextPath+="/*";
                }

                Object contexts=contextMap.get(contextPath);
                String[] vhosts=handler.getVirtualHosts();

                
                if (vhosts!=null && vhosts.length>0)
                {
                    Map hosts;

                    if (contexts instanceof Map)
                        hosts=(Map)contexts;
                    else
                    {
                        hosts=new HashMap(); 
                        hosts.put("*",contexts);
                        contextMap.put(contextPath, hosts);
                    }

                    for (int j=0;j 
	//     { virtual host => context } 
	// }
	PathMap map = _contextMap;
	if (map!=null && target!=null && target.startsWith("/"))
	{
	    // first, get all contexts matched by context path
	    Object contexts = map.getLazyMatches(target);

            for (int i=0; i