Examples of org.springframework.messaging.converter.GenericMessageConverter

Package org.springframework.messaging.converter

Examples of org.springframework.messaging.converter.GenericMessageConverter

org.springframework.messaging.converter.GenericMessageConverter
An extension of the {@link SimpleMessageConverter} that uses a{@link ConversionService} to convert the payload of the messageto the requested type.
Return {@code null} if the conversion service cannot convertfrom the payload type to the requested type. @author Stephane Nicoll @since 4.1 @see ConversionService


  @Test
  public void receiveAndConvertFailed() {
    Message<?> expected = new GenericMessage<Object>("not a number test");
    this.template.setReceiveMessage(expected);
    this.template.setMessageConverter(new GenericMessageConverter());


    thrown.expect(MessageConversionException.class);
    thrown.expectCause(isA(ConversionFailedException.class));
    this.template.receiveAndConvert("somewhere", Integer.class);
  }

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  @Test
  public void receiveAndConvertNoConverter() {
    Message<?> expected = new GenericMessage<Object>("payload");
    this.template.setDefaultDestination("home");
    this.template.setReceiveMessage(expected);
    this.template.setMessageConverter(new GenericMessageConverter());
    try {
      this.template.receiveAndConvert(Writer.class);
    }
    catch (MessageConversionException ex) {
      assertTrue("Invalid exception message '" + ex.getMessage() + "'", ex.getMessage().contains("payload"));

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  @Test
  public void receiveAndConvertWithConversion() {
    javax.jms.Message jmsMessage = createJmsTextMessage("123");
    given(jmsTemplate.receive("myQueue")).willReturn(jmsMessage);


    messagingTemplate.setMessageConverter(new GenericMessageConverter());


    Integer payload = messagingTemplate.receiveAndConvert("myQueue", Integer.class);
    assertEquals(Integer.valueOf(123), payload);
    verify(jmsTemplate).receive("myQueue");
  }

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  }


  @Override
  public void afterPropertiesSet() {
    if (this.messageConverter == null) {
      this.messageConverter = new GenericMessageConverter(this.conversionService);
    }
    if (this.argumentResolvers.getResolvers().isEmpty()) {
      this.argumentResolvers.addResolvers(initArgumentResolvers());
    }
  }

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  @Test
  public void receiveAndConvertWithConversion() {
    org.springframework.amqp.core.Message amqpMessage = createAmqpTextMessage("123");
    given(rabbitTemplate.receive("myQueue")).willReturn(amqpMessage);


    messagingTemplate.setMessageConverter(new GenericMessageConverter());


    Integer payload = messagingTemplate.receiveAndConvert("myQueue", Integer.class);
    assertEquals(Integer.valueOf(123), payload);
    verify(rabbitTemplate).receive("myQueue");
  }

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Related Classes of org.springframework.messaging.converter.GenericMessageConverter

org.springframework.amqp.rabbit.core.RabbitMessagingTemplateTests

org.springframework.core.convert.support.DefaultConversionService

org.springframework.jms.core.JmsMessagingTemplateTests

org.springframework.messaging.core.MessageReceivingTemplateTests

org.springframework.messaging.handler.annotation.support.DefaultMessageHandlerMethodFactory

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