How to use

clearBody

method

in

javax.jms.TextMessage

 import javax.jms.JMSException;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.TextMessage;
import javax.servlet.http.HttpServlet;
import javax.ws.rs.Consumes;
import javax.ws.rs.PUT;
import javax.ws.rs.core.MediaType;

public class MessageServlet extends HttpServlet {

  @PUT
  @Consumes(MediaType.TEXT_PLAIN)
  public void putString(String myString) throws JMSException {
    MessageProducer producer = (MessageProducer) getServletContext()
        .getAttribute(MyContextListener.ACTIVE_MQ_PRODUCER);

    Session session = (Session) getServletContext().getAttribute(
        MyContextListener.ACTIVE_MQ_SESSION);
    TextMessage txtmessage = session.createTextMessage();
    if (txtmessage != null && producer != null) {
      txtmessage.clearBody();
      txtmessage.setText(myString);
      producer.send(txtmessage);
    }
  }
}

/**
* Test that the <code>TextMessage.clearBody()</code> effectively clear the body of the message
*/
public void testClearBody_1()
{
 try
 {
   TextMessage message = senderSession.createTextMessage();
   message.setText("bar");
   message.clearBody();
   assertEquals("3 .11.1 the clearBody method of Message resets the value of the message body "
      + "to the 'empty' initial message value as set by the message type's create "
      + "method provided by Session.\n", null, message.getText());
 }
 catch (JMSException e)
 {
   fail(e);
 }
}

/**
* Test that the <code>TextMessage.clearBody()</code> method does nto clear the 
* message properties.
*/
public void testClearBody_2()
{
 try
 {
   TextMessage message = senderSession.createTextMessage();
   message.setStringProperty("prop", "foo");
   message.clearBody();
   assertEquals("3.11.1 Clearing a message's body does not clear its property entries.\n", "foo", message
      .getStringProperty("prop"));
 }
 catch (JMSException e)
 {
   fail(e);
 }
}

m2.clearBody();
ProxyAssertSupport.assertNull(m2.getText());
m2.setText("Now it is read-write");

/**
* Test that the <code>TextMessage.clearBody()</code> effectively clear the body of the message
*/
@Test
public void testClearBody_1() {
 try {
   TextMessage message = senderSession.createTextMessage();
   message.setText("bar");
   message.clearBody();
   Assert.assertEquals("sec. 3 .11.1 the clearBody method of Message resets the value of the message body " + "to the 'empty' initial message value as set by the message type's create " + "method provided by Session.\n", null, message.getText());
 } catch (JMSException e) {
   fail(e);
 }
}

/**
* Test that the <code>TextMessage.clearBody()</code> method does not clear the
* message properties.
*/
@Test
public void testClearBody_2() {
 try {
   TextMessage message = senderSession.createTextMessage();
   message.setStringProperty("prop", "foo");
   message.clearBody();
   Assert.assertEquals("sec. 3.11.1 Clearing a message's body does not clear its property entries.\n", "foo", message.getStringProperty("prop"));
 } catch (JMSException e) {
   fail(e);
 }
}