Examples of org.springframework.jms.support.converter.SimpleMessageConverter

Package org.springframework.jms.support.converter

Examples of org.springframework.jms.support.converter.SimpleMessageConverter

org.springframework.jms.support.converter.SimpleMessageConverter
A simple message converter which is able to handle TextMessages, BytesMessages, MapMessages, and ObjectMessages. Used as default conversion strategy by {@link org.springframework.jms.core.JmsTemplate}, for convertAndSend and receiveAndConvert operations.
Converts a String to a {@link javax.jms.TextMessage}, a byte array to a {@link javax.jms.BytesMessage}, a Map to a {@link javax.jms.MapMessage}, and a Serializable object to a {@link javax.jms.ObjectMessage} (or vice versa).
This converter implementation works for both JMS 1.1 and JMS 1.0.2, except when extracting a byte array from a BytesMessage. So for converting BytesMessages with a JMS 1.0.2 provider, use {@link SimpleMessageConverter102}. (As you would expect, {@link org.springframework.jms.core.JmsTemplate102}uses SimpleMessageConverter102 as default.) @author Juergen Hoeller @since 1.1 @see org.springframework.jms.core.JmsTemplate#convertAndSend @see org.springframework.jms.core.JmsTemplate#receiveAndConvert

   * @see #setMessageConverter
   * @see org.springframework.jms.support.destination.DynamicDestinationResolver
   * @see org.springframework.jms.support.converter.SimpleMessageConverter
   */
  protected void initDefaultStrategies() {
    setMessageConverter(new SimpleMessageConverter());
  }

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    given(session.createMapMessage()).willReturn(message);


    final Map<Integer, String> content = new HashMap<Integer, String>(1);
    content.put(1, "value1");


    final SimpleMessageConverter converter = new SimpleMessageConverter();
    try {
      converter.toMessage(content, session);
      fail("expected MessageConversionException");
    } catch (MessageConversionException ex) { /* expected */ }
  }

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    given(session.createMapMessage()).willReturn(message);


    final Map<Object, String> content = new HashMap<Object, String>(1);
    content.put(null, "value1");


    final SimpleMessageConverter converter = new SimpleMessageConverter();
    try {
      converter.toMessage(content, session);
      fail("expected MessageConversionException");
    } catch (MessageConversionException ex) { /* expected */ }
  }

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  @Test
  public void testConverter() throws Exception {
    JmsTemplate template = createTemplate();
    template.setConnectionFactory(connectionFactory);
    template.setMessageConverter(new SimpleMessageConverter());
    String s = "Hello world";


    MessageProducer messageProducer = mock(MessageProducer.class);
    TextMessage textMessage = mock(TextMessage.class);

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  }


  protected void doTestJmsException(JMSException original, Class<? extends JmsException> thrownExceptionClass) throws Exception {
    JmsTemplate template = createTemplate();
    template.setConnectionFactory(connectionFactory);
    template.setMessageConverter(new SimpleMessageConverter());
    String s = "Hello world";


    MessageProducer messageProducer = mock(MessageProducer.class);
    TextMessage textMessage = mock(TextMessage.class);

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    messagingTemplate.convertAndSend("my Payload");
  }


  @Test
  public void convertAndSendCustomJmsMessageConverter() throws JMSException {
    messagingTemplate.setJmsMessageConverter(new SimpleMessageConverter() {
      @Override
      public javax.jms.Message toMessage(Object object, Session session)
          throws JMSException, org.springframework.jms.support.converter.MessageConversionException {
        throw new org.springframework.jms.support.converter.MessageConversionException("Test exception");
      }

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    String content = "test";


    given(session.createTextMessage(content)).willReturn(message);
    given(message.getText()).willReturn(content);


    SimpleMessageConverter converter = new SimpleMessageConverter();
    Message msg = converter.toMessage(content, session);
    assertEquals(content, converter.fromMessage(msg));
  }

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      public Integer answer(InvocationOnMock invocation) throws Throwable {
        return byteArrayInputStream.read((byte[]) invocation.getArguments()[0]);
      }
    });


    SimpleMessageConverter converter = new SimpleMessageConverter();
    Message msg = converter.toMessage(content, session);
    assertEquals(content.length, ((byte[]) converter.fromMessage(msg)).length);


    verify(message).writeBytes(content);
  }

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    given(session.createMapMessage()).willReturn(message);
    given(message.getMapNames()).willReturn(Collections.enumeration(content.keySet()));
    given(message.getObject("key1")).willReturn("value1");
    given(message.getObject("key2")).willReturn("value2");


    SimpleMessageConverter converter = new SimpleMessageConverter();
    Message msg = converter.toMessage(content, session);
    assertEquals(content, converter.fromMessage(msg));


    verify(message).setObject("key1", "value1");
    verify(message).setObject("key2", "value2");
  }

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    Integer content = new Integer(5);


    given(session.createObjectMessage(content)).willReturn(message);
    given(message.getObject()).willReturn(content);


    SimpleMessageConverter converter = new SimpleMessageConverter();
    Message msg = converter.toMessage(content, session);
    assertEquals(content, converter.fromMessage(msg));
  }

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