SimpleMessageConverter (Spring Framework 4.3.30.RELEASE API)

java.lang.Object
- org.springframework.messaging.converter.SimpleMessageConverter

所有已实现的接口:
MessageConverter
直接已知子类:
GenericMessageConverter
```
public class SimpleMessageConverter
extends Object
implements MessageConverter
```
A simple converter that simply unwraps the message payload as long as it matches the expected target class. Or reversely, simply wraps the payload in a message.
Note that this converter ignores any content type information that may be present in message headers and should not be used if payload conversion is actually required.
从以下版本开始:
4.0
作者:
Rossen Stoyanchev

构造器概要
构造器
构造器说明
SimpleMessageConverter()

方法概要

所有方法实例方法具体方法
修饰符和类型	方法	说明
`Object`	`fromMessage(Message<?> message, Class<?> targetClass)`	Convert the payload of a `Message` from a serialized form to a typed Object of the specified target class.
`Message<?>`	`toMessage(Object payload, MessageHeaders headers)`	Create a `Message` whose payload is the result of converting the given payload Object to serialized form.

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 构造器详细资料
  - SimpleMessageConverter
```
public SimpleMessageConverter()
```
- 方法详细资料
  - fromMessage
```
public Object fromMessage(Message<?> message,
                          Class<?> targetClass)
```
    从接口复制的说明: MessageConverter
    Convert the payload of a Message from a serialized form to a typed Object of the specified target class. The MessageHeaders.CONTENT_TYPE header should indicate the MIME type to convert from.
    If the converter does not support the specified media type or cannot perform the conversion, it should return null.
    指定者:
    fromMessage 在接口中 MessageConverter
    参数:
    message - the input message
    targetClass - the target class for the conversion
    返回:
    the result of the conversion, or null if the converter cannot perform the conversion
  - toMessage
```
public Message<?> toMessage(Object payload,
                            MessageHeaders headers)
```
    从接口复制的说明: MessageConverter
    Create a Message whose payload is the result of converting the given payload Object to serialized form. The optional MessageHeaders parameter may contain a MessageHeaders.CONTENT_TYPE header to specify the target me