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Tomcat example source code file (HandlerDispatch.java)
The Tomcat HandlerDispatch.java source code/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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 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 org.apache.juli.logging.Log log= org.apache.juli.logging.LogFactory.getLog( HandlerDispatch.class ); 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.isDebugEnabled() ) log.debug( "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.isDebugEnabled() ) log.debug( "Invalid handler " + type ); return ERROR; } if( log.isDebugEnabled() ) log.debug( "Received " + type + " " + handlers[type].getName()); JkHandler handler=handlers[type]; return handler.invoke( msg, ep ); } } Other Tomcat examples (source code examples)Here is a short list of links related to this Tomcat HandlerDispatch.java source code file: |
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