JmsSendReceiveTestSupport xref

    1   /***
    2    *
    3    * Copyright 2004 Protique Ltd
    4    *
    5    * Licensed under the Apache License, Version 2.0 (the "License");
    6    * you may not use this file except in compliance with the License.
    7    * You may obtain a copy of the License at
    8    *
    9    * http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   *
    17   **/
    18
    19  package org.codehaus.activemq;
    20
    21  import javax.jms.DeliveryMode;
    22  import javax.jms.Destination;
    23  import javax.jms.JMSException;
    24  import javax.jms.Message;
    25  import javax.jms.MessageConsumer;
    26  import javax.jms.MessageListener;
    27  import javax.jms.MessageProducer;
    28  import javax.jms.Session;
    29  import javax.jms.TextMessage;
    30  import java.util.ArrayList;
    31  import java.util.Arrays;
    32  import java.util.Collections;
    33  import java.util.Date;
    34  import java.util.Iterator;
    35  import java.util.List;
    36
    37  /***
    38   * @version $Revision: 1.27 $
    39   */
    40  public class JmsSendReceiveTestSupport extends TestSupport implements MessageListener {
    41      protected int messageCount = 100;
    42      protected String[] data;
    43      protected Session session;
    44      protected MessageConsumer consumer;
    45      protected MessageProducer producer;
    46      protected Destination consumerDestination;
    47      protected Destination producerDestination;
    48      protected List messages = createConcurrentList();
    49      protected boolean topic = true;
    50      protected boolean durable = false;
    51      protected int deliveryMode = DeliveryMode.PERSISTENT;
    52      protected final Object lock = new Object();
    53      protected boolean verbose = false;
    54
    55      public void testSendReceive() throws Exception {
    56          messages.clear();
    57          for (int i = 0; i < data.length; i++) {
    58              Message message = session.createTextMessage(data[i]);
    59              if (verbose) {
    60                  System.out.println("About to send a message: " + message + " with text: " + data[i]);
    61              }
    62              producer.send(producerDestination, message);
    63          }
    64          assertMessagesAreReceived();
    65          System.out.println("" + data.length + " messages(s) received, closing down connections");
    66      }
    67
    68      protected void assertMessagesAreReceived() throws JMSException {
    69          waitForMessagesToBeDelivered();
    70          assertMessagesReceivedAreValid(messages);
    71      }
    72
    73      protected void assertMessagesReceivedAreValid(List receivedMessages) throws JMSException {
    74          List copyOfMessages = Arrays.asList(receivedMessages.toArray());
    75          int counter = 0;
    76          if (data.length != copyOfMessages.size()) {
    77              for (Iterator iter = copyOfMessages.iterator(); iter.hasNext();) {
    78                  TextMessage message = (TextMessage) iter.next();
    79                  System.out.println("<== " + counter++ + " = " + message);
    80              }
    81          }
    82          assertEquals("Not enough messages received", data.length, receivedMessages.size());
    83          for (int i = 0; i < data.length; i++) {
    84              TextMessage received = (TextMessage) receivedMessages.get(i);
    85              String text = received.getText();
    86              if (verbose) {
    87                  System.out.println("Received Text: " + text);
    88              }
    89              assertEquals("Message: " + i, data[i], text);
    90          }
    91      }
    92
    93      protected void waitForMessagesToBeDelivered() {
    94          long maxWaitTime = 30000;
    95          long waitTime = maxWaitTime;
    96          long start = (maxWaitTime <= 0) ? 0 : System.currentTimeMillis();
    97          synchronized (lock) {
    98              while (messages.size() < data.length && waitTime >= 0) {
    99                  try {
    100                     lock.wait(200);
    101                 }
    102                 catch (InterruptedException e) {
    103                     e.printStackTrace();
    104                 }
    105                 waitTime = maxWaitTime - (System.currentTimeMillis() - start);
    106             }
    107         }
    108     }
    109
    110     private void waitForTimeOrNotify(long timeout) {
    111         try {
    112             synchronized (lock) {
    113                 lock.wait(timeout);
    114             }
    115         }
    116         catch (InterruptedException e) {
    117             System.out.println("Caught: " + e);
    118         }
    119     }
    120
    121     protected void setUp() throws Exception {
    122         super.setUp();
    123         String temp = System.getProperty("messageCount");
    124         if (temp != null) {
    125             int i = Integer.parseInt(temp);
    126             if (i > 0) {
    127                 messageCount = i;
    128             }
    129         }
    130         System.out.println("Message count for test case is: " + messageCount);
    131         data = new String[messageCount];
    132         for (int i = 0; i < messageCount; i++) {
    133             data[i] = "Text for message: " + i + " at " + new Date();
    134         }
    135     }
    136
    137     public synchronized void onMessage(Message message) {
    138         consumeMessage(message, messages);
    139     }
    140
    141     protected void consumeMessage(Message message, List messageList) {
    142         if (verbose) {
    143             System.out.println("Received message: " + message);
    144         }
    145         messageList.add(message);
    146         if (messageList.size() >= data.length) {
    147             synchronized (lock) {
    148                 lock.notifyAll();
    149             }
    150         }
    151     }
    152
    153     protected List createConcurrentList() {
    154         return Collections.synchronizedList(new ArrayList());
    155     }
    156 }