Example usage for org.springframework.messaging.converter MessageConversionException MessageConversionException

Introduction

In this page you can find the example usage for org.springframework.messaging.converter MessageConversionException MessageConversionException.

Prototype

public MessageConversionException(Message<?> failedMessage, @Nullable String description,
            @Nullable Throwable cause) 

Source Link

Usage

From source file:com.kinglcc.spring.jms.core.converter.Jackson2MessageAdapterConverter.java

@Override
public Object fromMessage(Message<?> message, Type targetType, Class<?> contextClass) {
    ObjectMapper objectMapper = getObjectMapper();
    JavaType javaType = objectMapper.getTypeFactory().constructType(targetType, contextClass);
    try {//from   w  ww .  j  a v  a2  s  . c o  m
        Object payload = message.getPayload();
        if (payload instanceof byte[]) {
            return objectMapper.readValue((byte[]) payload, javaType);
        } else {
            return objectMapper.readValue((String) payload, javaType);
        }
    } catch (IOException ex) {
        throw new MessageConversionException(message, "Could not read JSON: " + ex.getMessage(), ex);
    }
}

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From source file:org.eclipse.hawkbit.event.BusProtoStuffMessageConverter.java

@Override
public Object convertFromInternal(final Message<?> message, final Class<?> targetClass,
        final Object conversionHint) {
    final Object payload = message.getPayload();

    try {//from   w  w w  .  j av a2s .c om
        final Class<?> deserializeClass = ClassUtils
                .getClass(message.getHeaders().get(DEFAULT_CLASS_FIELD_NAME).toString());
        if (payload instanceof byte[]) {
            @SuppressWarnings("unchecked")
            final Schema<Object> schema = (Schema<Object>) RuntimeSchema.getSchema(deserializeClass);
            final Object deserializeEvent = schema.newMessage();
            ProtobufIOUtil.mergeFrom((byte[]) message.getPayload(), deserializeEvent, schema);
            return deserializeEvent;
        }
    } catch (final ClassNotFoundException e) {
        LOG.error("Protostuff cannot find derserialize class", e);
        throw new MessageConversionException(message, "Failed to read payload", e);
    }

    return null;
}

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