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Glassfish example source code file (HandlerDispatch.java)
The Glassfish HandlerDispatch.java source code/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved. * * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common Development * and Distribution License("CDDL") (collectively, the "License"). You * may not use this file except in compliance with the License. You can * obtain a copy of the License at * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html * or packager/legal/LICENSE.txt. See the License for the specific * language governing permissions and limitations under the License. * * When distributing the software, include this License Header Notice in each * file and include the License file at packager/legal/LICENSE.txt. * * GPL Classpath Exception: * Oracle designates this particular file as subject to the "Classpath" * exception as provided by Oracle in the GPL Version 2 section of the License * file that accompanied this code. * * Modifications: * If applicable, add the following below the License Header, with the fields * enclosed by brackets [] replaced by your own identifying information: * "Portions Copyright [year] [name of copyright owner]" * * Contributor(s): * If you wish your version of this file to be governed by only the CDDL or * only the GPL Version 2, indicate your decision by adding "[Contributor] * elects to include this software in this distribution under the [CDDL or GPL * Version 2] license." If you don't indicate a single choice of license, a * recipient has the option to distribute your version of this file under * either the CDDL, the GPL Version 2 or to extend the choice of license to * its licensees as provided above. However, if you add GPL Version 2 code * and therefore, elected the GPL Version 2 license, then the option applies * only if the new code is made subject to such option by the copyright * holder. * * * This file incorporates work covered by the following copyright and * permission notice: * * Copyright 2004 The Apache Software Foundation * * 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.apache.jk.common; import java.io.IOException; import java.util.logging.*; import org.apache.jk.core.JkHandler; import org.apache.jk.core.Msg; import org.apache.jk.core.MsgContext; /** * Dispatch based on the message type. ( XXX make it more generic, * now it's specific to ajp13 ). * * @author Costin Manolache */ public class HandlerDispatch extends JkHandler { private static Logger log= Logger.getLogger( HandlerDispatch.class.getName() ); public HandlerDispatch() { } public void init() { } JkHandler handlers[]=new JkHandler[MAX_HANDLERS]; String handlerNames[]=new String[MAX_HANDLERS]; static final int MAX_HANDLERS=32; static final int RESERVED=16; // reserved names, backward compat int currentId=RESERVED; public int registerMessageType( int id, String name, JkHandler h, String sig[] ) { if( log.isLoggable(Level.FINEST) ) log.finest( "Register message " + id + " " + h.getName() + " " + h.getClass().getName()); if( id < 0 ) { // try to find it by name for( int i=0; i< handlerNames.length; i++ ) { if( handlerNames[i]==null ) continue; if( name.equals( handlerNames[i] ) ) return i; } handlers[currentId]=h; handlerNames[currentId]=name; currentId++; return currentId; } handlers[id]=h; handlerNames[currentId]=name; return id; } // -------------------- Incoming message -------------------- public int invoke(Msg msg, MsgContext ep ) throws IOException { int type=msg.peekByte(); ep.setType( type ); if( type > handlers.length || handlers[type]==null ) { if( log.isLoggable(Level.FINEST) ) log.finest( "Invalid handler " + type ); return ERROR; } if( log.isLoggable(Level.FINEST) ) log.finest( "Received " + type + " " + handlers[type].getName()); JkHandler handler=handlers[type]; return handler.invoke( msg, ep ); } } Other Glassfish examples (source code examples)Here is a short list of links related to this Glassfish HandlerDispatch.java source code file: |
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