List of fromMessage() Examples

Examples of fromMessage()

org.springframework.amqp.support.converter.JsonMessageConverter.fromMessage()
org.springframework.amqp.support.converter.MessageConverter.fromMessage()
Convert from a Message to a Java object. @param message the message to convert @return the converted Java object @throws MessageConversionException in case of conversion failure
org.springframework.amqp.support.converter.SimpleMessageConverter.fromMessage()
Converts from a AMQP Message to an Object.
org.springframework.jms.support.converter.MessageConverter.fromMessage()
Convert from a JMS Message to a Java object. @param message the message to convert @return the converted Java object @throws javax.jms.JMSException if thrown by JMS API methods @throws MessageConversionException in case of conversion failure
org.springframework.jms.support.converter.SimpleMessageConverter.fromMessage()
This implementation converts a TextMessage back to a String, a ByteMessage back to a byte array, a MapMessage back to a Map, and an ObjectMessage back to a Serializable object. Returns the plain Message object in case of an unknown message type. @see #extractStringFromMessage @see #extractByteArrayFromMessage @see #extractMapFromMessage @see #extractSerializableFromMessage
org.springframework.jms.support.converter.SimpleMessageConverter102.fromMessage()
org.springframework.messaging.converter.CompositeMessageConverter.fromMessage()
org.springframework.messaging.converter.MessageConverter.fromMessage()
Convert the payload of a {@link Message} from serialized form to a typed Object ofthe specified target class. The {@link MessageHeaders#CONTENT_TYPE} header shouldindicate the MIME type to convert from.
If the converter does not support the specified media type or cannot perform the conversion, it should return {@code null}. @param message the input message @param targetClass the target class for the conversion @return the result of the conversion, or {@code null} if the converter cannotperform the conversion

Examples of org.springframework.messaging.converter.CompositeMessageConverter.fromMessage()

  public void testJsonStringToPojo() {
    String json = "{\"foo\":\"bar\"}";
    Message<?> msg = MessageBuilder.withPayload(json)
        .build();
    CompositeMessageConverter converter = converterFactory.newInstance(MimeType.valueOf("application/x-java-object"));
    Message<?> result = (Message<?>) converter.fromMessage(msg, Foo.class);
    Foo foo = (Foo) result.getPayload();
    assertEquals("bar", foo.getFoo());
    assertEquals(MimeType.valueOf("application/x-java-object;type=" + foo.getClass().getName()),
        result.getHeaders().get(MessageHeaders.CONTENT_TYPE));
  }

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Examples of org.springframework.messaging.converter.CompositeMessageConverter.fromMessage()

  public void testJsonStringToMap() {
    String json = "{\"foo\":\"bar\"}";
    Message<?> msg = MessageBuilder.withPayload(json)
        .build();
    CompositeMessageConverter converter = converterFactory.newInstance(MimeType.valueOf("application/x-java-object"));
    Message<Map<String, String>> result = (Message<Map<String, String>>) converter.fromMessage(msg, HashMap.class);
    Map<String, String> map = result.getPayload();
    assertEquals("bar", map.get("foo"));
    assertEquals(MimeType.valueOf("application/x-java-object;type=" + HashMap.class.getName()),
        result.getHeaders().get(MessageHeaders.CONTENT_TYPE));
  }

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Examples of org.springframework.messaging.converter.CompositeMessageConverter.fromMessage()

    Message<?> msg = MessageBuilder.withPayload(json).copyHeaders(
        Collections.singletonMap(MessageHeaders.CONTENT_TYPE, MimeTypeUtils.APPLICATION_JSON))
        .build();
    CompositeMessageConverter converter = converterFactory.newInstance(MimeType.valueOf("application/x-java-object"));


    Message<?> result = (Message<?>) converter.fromMessage(msg, Foo.class);
    Foo foo = (Foo) result.getPayload();
    assertEquals("bar", foo.getFoo());
    assertEquals(MimeType.valueOf("application/x-java-object;type=" + foo.getClass().getName()),
        result.getHeaders().get(MessageHeaders.CONTENT_TYPE));
  }

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Examples of org.springframework.messaging.converter.CompositeMessageConverter.fromMessage()


    Message<?> msg = MessageBuilder.withPayload(json).copyHeaders(
        Collections.singletonMap(MessageHeaders.CONTENT_TYPE, MimeTypeUtils.APPLICATION_XML))
        .build();


    Message<?> result = (Message<?>) converter.fromMessage(msg, Foo.class);
    assertNull(result);
  }


  @Test
  public void testByteArrayToString() {

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Examples of org.springframework.messaging.converter.CompositeMessageConverter.fromMessage()

  public void testByteArrayToString() {
    String json = "{\"foo\":\"bar\"}";
    Message<?> msg = MessageBuilder.withPayload(json.getBytes()).build();
    CompositeMessageConverter converter = converterFactory.newInstance(MimeType.valueOf("text/plain"));


    Object result = converter.fromMessage(msg, String.class);
    assertEquals(json, result);
  }


  @Test
  public void testByteArrayToStringWithCharset() throws UnsupportedEncodingException {

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Examples of org.springframework.messaging.converter.CompositeMessageConverter.fromMessage()

    CompositeMessageConverter converter = converterFactory.newInstance(MimeType.valueOf("application/x-xd-string"));
    Message<?> msg = MessageBuilder.withPayload(text.getBytes("UTF-8")).copyHeaders(
        Collections.singletonMap(MessageHeaders.CONTENT_TYPE, MimeType.valueOf("text/plain;Charset=UTF-8")))
        .build();


    Object result = converter.fromMessage(msg, String.class);
    assertEquals(text, result);


    msg = MessageBuilder.withPayload(text.getBytes("ISO-8859-1")).copyHeaders(
        Collections.singletonMap(MessageHeaders.CONTENT_TYPE, MimeType.valueOf("text/plain;Charset=ISO-8859-1")))
        .build();

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Examples of org.springframework.messaging.converter.CompositeMessageConverter.fromMessage()

    assertEquals(text, result);


    msg = MessageBuilder.withPayload(text.getBytes("ISO-8859-1")).copyHeaders(
        Collections.singletonMap(MessageHeaders.CONTENT_TYPE, MimeType.valueOf("text/plain;Charset=ISO-8859-1")))
        .build();
    result = converter.fromMessage(msg, String.class);
    assertEquals("Hello ??", result);
  }


  @SuppressWarnings("unchecked")
  @Test

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Examples of org.springframework.messaging.converter.CompositeMessageConverter.fromMessage()

  @Test
  public void testJsonToTuple() {
    String json = "{\"foo\":\"bar\"}";
    Message<?> msg = MessageBuilder.withPayload(json).build();
    CompositeMessageConverter converter = converterFactory.newInstance(MimeType.valueOf("application/x-xd-tuple"));
    Message<Tuple> result = (Message<Tuple>) converter.fromMessage(msg, DefaultTuple.class);
    assertEquals("bar", result.getPayload().getString("foo"));
    assertEquals(MessageConverterUtils.javaObjectMimeType(DefaultTuple.class),
        result.getHeaders().get(MessageHeaders.CONTENT_TYPE));
  }

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Examples of org.springframework.messaging.converter.CompositeMessageConverter.fromMessage()

  public void testTupleToJson() {
    Tuple t = TupleBuilder.fromString("{\"foo\":\"bar\"}");
    Message<?> msg = MessageBuilder.withPayload(t).build();
    CompositeMessageConverter converter = converterFactory.newInstance(MimeTypeUtils.APPLICATION_JSON);


    Message<String> result = (Message<String>) converter.fromMessage(msg, String.class);
    assertTrue(result.getPayload(), result.getPayload().contains("\"foo\":\"bar\""));
    assertEquals(MimeTypeUtils.APPLICATION_JSON,
        result.getHeaders().get(MessageHeaders.CONTENT_TYPE));
  }

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Examples of org.springframework.messaging.converter.CompositeMessageConverter.fromMessage()

  public void testJavaSerialization() {
    Foo foo = new Foo();
    CompositeMessageConverter converter = converterFactory.newInstance(MimeType.valueOf("application/x-java-serialized-object"));
    Message<Foo> msg = MessageBuilder.withPayload(foo).copyHeaders(
        Collections.singletonMap(MessageHeaders.CONTENT_TYPE, MimeType.valueOf("application/x-java-object"))).build();
    Message<?> result = (Message<?>) converter.fromMessage(msg, byte[].class);
    assertTrue(result.getPayload() instanceof byte[]);
    assertEquals(MimeType.valueOf("application/x-java-serialized-object"),
        result.getHeaders().get(MessageHeaders.CONTENT_TYPE));


    // Now convert back

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