Tomcat example source code file (ConnectorCreateRule.java)

This example Tomcat source code file (ConnectorCreateRule.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Tomcat tags/keywords

class, connector, connector, connectorcreaterule, exception, exception, executor, executor, log, method, object, object, reflection, rule, sax, service

The Tomcat ConnectorCreateRule.java source code

/* $Id: ConnectorCreateRule.java 586228 2007-10-19 02:16:41Z fhanik $
 *
 * 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.catalina.startup;


import org.apache.catalina.connector.Connector;
import org.apache.tomcat.util.digester.Rule;
import org.xml.sax.Attributes;
import org.apache.catalina.Service;
import org.apache.catalina.Executor;
import org.apache.tomcat.util.IntrospectionUtils;
import java.lang.reflect.Method;
import org.apache.juli.logging.LogFactory;
import org.apache.juli.logging.Log;


/**
 * Rule implementation that creates a connector.
 */

public class ConnectorCreateRule extends Rule {

    protected static Log log = LogFactory.getLog(ConnectorCreateRule.class);
    // --------------------------------------------------------- Public Methods


    /**
     * Process the beginning of this element.
     *
     * @param attributes The attribute list of this element
     */
    public void begin(Attributes attributes) throws Exception {
        Service svc = (Service)digester.peek();
        Executor ex = null;
        if ( attributes.getValue("executor")!=null ) {
            ex = svc.getExecutor(attributes.getValue("executor"));
        }
        Connector con = new Connector(attributes.getValue("protocol"));
        if ( ex != null )  _setExecutor(con,ex);
        
        digester.push(con);
    }
    
    public void _setExecutor(Connector con, Executor ex) throws Exception {
        Method m = IntrospectionUtils.findMethod(con.getProtocolHandler().getClass(),"setExecutor",new Class[] {java.util.concurrent.Executor.class});
        if (m!=null) {
            m.invoke(con.getProtocolHandler(), new Object[] {ex});
        }else {
            log.warn("Connector ["+con+"] does not support external executors. Method setExecutor(java.util.concurrent.Executor) not found.");
        }
    }


    /**
     * Process the end of this element.
     */
    public void end() throws Exception {
        Object top = digester.pop();
    }


}