org.springframework.cloud.function.context.config

Class NegotiatingMessageConverterWrapper

java.lang.Object

org.springframework.cloud.function.context.config.NegotiatingMessageConverterWrapper

All Implemented Interfaces:

org.springframework.messaging.converter.MessageConverter, org.springframework.messaging.converter.SmartMessageConverter

public final class NegotiatingMessageConverterWrapper
extends Object
implements org.springframework.messaging.converter.SmartMessageConverter

A AbstractMessageConverter wrapper that supports the concept of wildcard negotiation when producing messages. To that effect, messages should contain an "accept" header, that may contain a wildcard type (such as text/*, which may be tested against every supported mime type of the delegate MessageConverter.

Author:

Eric Bottard, Oleg Zhurakousky

Field Summary

Fields

Modifier and Type	Field and Description
static String	ACCEPT The Message Header key that may contain the list of (possibly wildcard) MimeTypes to convert to.

Method Summary

Modifier and Type	Method and Description
Object	fromMessage(org.springframework.messaging.Message<?> message, Class<?> targetClass)
Object	fromMessage(org.springframework.messaging.Message<?> message, Class<?> targetClass, Object conversionHint)
org.springframework.messaging.Message<?>	toMessage(Object payload, org.springframework.messaging.MessageHeaders headers)
org.springframework.messaging.Message<?>	toMessage(Object payload, org.springframework.messaging.MessageHeaders headers, Object conversionHint)
static NegotiatingMessageConverterWrapper	wrap(org.springframework.messaging.converter.AbstractMessageConverter delegate)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ACCEPT

public static final String ACCEPT

The Message Header key that may contain the list of (possibly wildcard) MimeTypes to convert to.

See Also:

Constant Field Values

Method Detail

wrap

public static NegotiatingMessageConverterWrapper wrap(org.springframework.messaging.converter.AbstractMessageConverter delegate)

fromMessage

public Object fromMessage(org.springframework.messaging.Message<?> message,
                          Class<?> targetClass)

Specified by:

fromMessage in interface org.springframework.messaging.converter.MessageConverter

fromMessage

public Object fromMessage(org.springframework.messaging.Message<?> message,
                          Class<?> targetClass,
                          Object conversionHint)

Specified by:

fromMessage in interface org.springframework.messaging.converter.SmartMessageConverter

toMessage

public org.springframework.messaging.Message<?> toMessage(Object payload,
                                                          org.springframework.messaging.MessageHeaders headers,
                                                          Object conversionHint)

Specified by:

toMessage in interface org.springframework.messaging.converter.SmartMessageConverter

toMessage

public org.springframework.messaging.Message<?> toMessage(Object payload,
                                                          org.springframework.messaging.MessageHeaders headers)

Specified by:

toMessage in interface org.springframework.messaging.converter.MessageConverter