GenericMessageConverter (Spring Framework 4.3.30.RELEASE API)

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

所有已实现的接口:
MessageConverter
```
public class GenericMessageConverter
extends SimpleMessageConverter
```
An extension of the SimpleMessageConverter that uses a ConversionService to convert the payload of the message to the requested type.
Return null if the conversion service cannot convert from the payload type to the requested type.
从以下版本开始:
4.1
作者:
Stephane Nicoll
另请参阅:
ConversionService

构造器概要

构造器
构造器	说明
`GenericMessageConverter()`	Create a new instance with a default `ConversionService`.
`GenericMessageConverter(ConversionService conversionService)`	Create a new instance with the given `ConversionService`.

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.

从类继承的方法 org.springframework.messaging.converter.SimpleMessageConverter
toMessage

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
  - GenericMessageConverter
```
public GenericMessageConverter()
```
    Create a new instance with a default ConversionService.
  - GenericMessageConverter
```
public GenericMessageConverter(ConversionService conversionService)
```
    Create a new instance with the given ConversionService.
- 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
    覆盖:
    fromMessage 在类中 SimpleMessageConverter
    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