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Tomcat example source code file (TestDomainFilter.java)

This example Tomcat source code file (TestDomainFilter.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

arraylist, channel, channel, domainfilterinterceptor, exception, exception, groupchannel, managedchannel, membershiplistener, testcase, testmbrlistener, testmbrlistener, thread, thread, util

The Tomcat TestDomainFilter.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.catalina.tribes.test.membership;

import java.util.ArrayList;

import org.apache.catalina.tribes.Channel;
import org.apache.catalina.tribes.ManagedChannel;
import org.apache.catalina.tribes.Member;
import org.apache.catalina.tribes.MembershipListener;
import org.apache.catalina.tribes.group.GroupChannel;
import junit.framework.TestCase;
import org.apache.catalina.tribes.group.interceptors.DomainFilterInterceptor;
import org.apache.catalina.tribes.util.UUIDGenerator;

public class TestDomainFilter
    extends TestCase {
    private static int count = 10;
    private ManagedChannel[] channels = new ManagedChannel[count];
    private TestMbrListener[] listeners = new TestMbrListener[count];

    protected void setUp() throws Exception {
        super.setUp();
        for (int i = 0; i < channels.length; i++) {
            channels[i] = new GroupChannel();
            channels[i].getMembershipService().setPayload( ("Channel-" + (i + 1)).getBytes("ASCII"));
            listeners[i] = new TestMbrListener( ("Listener-" + (i + 1)));
            channels[i].addMembershipListener(listeners[i]);
            DomainFilterInterceptor filter = new DomainFilterInterceptor();
            filter.setDomain(UUIDGenerator.randomUUID(false));
            channels[i].addInterceptor(filter);
        }
    }

    public void clear() {
        for (int i = 0; i < channels.length; i++) {
            listeners[i].members.clear();
        }
    }

    public void testMemberArrival() throws Exception {
        //purpose of this test is to make sure that we have received all the members
        //that we can expect before the start method returns
        Thread[] threads = new Thread[channels.length];
        for (int i=0; i<channels.length; i++ ) {
            final Channel channel = channels[i];
            Thread t = new Thread() {
                public void run() {
                    try {
                        channel.start(Channel.DEFAULT);
                    }catch ( Exception x ) {
                        throw new RuntimeException(x);
                    }
                }
            };
            threads[i] = t;
        }
        for (int i=0; i<threads.length; i++ ) threads[i].start();
        for (int i=0; i<threads.length; i++ ) threads[i].join();
        System.out.println("All channels started.");
        for (int i=listeners.length-1; i>=0; i-- ) assertEquals("Checking member arrival length",0,listeners[i].members.size());
    }

    protected void tearDown() throws Exception {

        for (int i = 0; i < channels.length; i++) {
            try {
                channels[i].stop(Channel.DEFAULT);
            } catch (Exception ignore) {}
        }
        super.tearDown();
    }

    public class TestMbrListener
        implements MembershipListener {
        public String name = null;
        public TestMbrListener(String name) {
            this.name = name;
        }

        public ArrayList members = new ArrayList();
        public void memberAdded(Member member) {
            if (!members.contains(member)) {
                members.add(member);
                try {
                    System.out.println(name + ":member added[" + new String(member.getPayload(), "ASCII") + "; Thread:"+Thread.currentThread().getName()+"]");
                } catch (Exception x) {
                    System.out.println(name + ":member added[unknown]");
                }
            }
        }

        public void memberDisappeared(Member member) {
            if (members.contains(member)) {
                members.remove(member);
                try {
                    System.out.println(name + ":member disappeared[" + new String(member.getPayload(), "ASCII") + "; Thread:"+Thread.currentThread().getName()+"]");
                } catch (Exception x) {
                    System.out.println(name + ":member disappeared[unknown]");
                }
            }
        }

    }

}

Other Tomcat examples (source code examples)

Here is a short list of links related to this Tomcat TestDomainFilter.java source code file:



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