content: /**
   * 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.activemq.benchmark;
  
  import java.io.BufferedReader;
  import java.io.File;
  import java.io.FileReader;
  import java.io.IOException;
  
  import jakarta.jms.DeliveryMode;
  import jakarta.jms.Destination;
  import jakarta.jms.JMSException;
  import jakarta.jms.Message;
  import jakarta.jms.MessageProducer;
  import jakarta.jms.Session;
  
  /**
   * @author James Strachan
   * 
   */
  public class Producer extends BenchmarkSupport {
  
      int loops = -1;
      int loopSize = 1000;
      private int messageSize = 1000;
  
      public Producer() {
      }
  
      public static void main(String[] args) {
          Producer tool = new Producer();
          if (args.length > 0) {
              tool.setUrl(args[0]);
          }
          if (args.length > 1) {
              tool.setTopic(parseBoolean(args[1]));
          }
          if (args.length > 2) {
              tool.setSubject(args[2]);
          }
          if (args.length > 3) {
              tool.setDurable(parseBoolean(args[3]));
          }
          if (args.length > 4) {
              tool.setMessageSize(Integer.parseInt(args[4]));
          }
          if (args.length > 5) {
              tool.setConnectionCount(Integer.parseInt(args[5]));
          }
          try {
              tool.run();
          } catch (Exception e) {
              System.out.println("Caught: " + e);
              e.printStackTrace();
          }
      }
  
      public void run() throws Exception {
          start();
          publish();
      }
  
      // Properties
      // -------------------------------------------------------------------------
      public int getMessageSize() {
          return messageSize;
      }
  
      public void setMessageSize(int messageSize) {
          this.messageSize = messageSize;
      }
  
      public int getLoopSize() {
          return loopSize;
      }
  
      public void setLoopSize(int loopSize) {
          this.loopSize = loopSize;
      }
  
      // Implementation methods
      // -------------------------------------------------------------------------
  
      protected void publish() throws Exception {
          final String text = getMessage();
  
          System.out.println("Publishing to: " + subjects.length + " subject(s)");
  
          for (int i = 0; i < subjects.length; i++) {
              final String subject = subjects[i];
              Thread thread = new Thread() {
                  public void run() {
                      try {
                          publish(text, subject);
                      } catch (JMSException e) {
                          System.out.println("Caught: " + e);
                          e.printStackTrace();
                      }
                  }
              };
              thread.start();
          }
  
      }
  
      protected String getMessage() {
          StringBuffer buffer = new StringBuffer();
          for (int i = 0; i < messageSize; i++) {
              char ch = 'X';
              buffer.append(ch);
          }
          return buffer.toString();
      }
  
      protected void publish(String text, String subject) throws JMSException {
          Session session = createSession();
  
          Destination destination = createDestination(session, subject);
  
          MessageProducer publisher = session.createProducer(destination);
          if (isDurable()) {
              publisher.setDeliveryMode(DeliveryMode.PERSISTENT);
          } else {
              publisher.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
          }
  
          System.out.println("Starting publisher on : " + destination + " of type: " + destination.getClass().getName());
          System.out.println("Message length: " + text.length());
  
          if (loops <= 0) {
              while (true) {
                  publishLoop(session, publisher, text);
              }
          } else {
              for (int i = 0; i < loops; i++) {
                  publishLoop(session, publisher, text);
              }
          }
      }
  
      protected void publishLoop(Session session, MessageProducer publisher, String text) throws JMSException {
          for (int i = 0; i < loopSize; i++) {
              Message message = session.createTextMessage(text);
  
              publisher.send(message);
              count(1);
          }
      }
  
      protected String loadFile(String file) throws IOException {
          System.out.println("Loading file: " + file);
  
          StringBuffer buffer = new StringBuffer();
          BufferedReader in = new BufferedReader(new FileReader(file));
          while (true) {
              String line = in.readLine();
              if (line == null) {
                  break;
              }
              buffer.append(line);
              buffer.append(File.separator);
          }
          in.close();
          return buffer.toString();
      }
  }
  