Headerenricher Spring Integration和Java DSL [英] Headerenricher Spring Integration and java dsl
问题描述
我正在使用Spring Integration和java dsl规范来实现我的IntegrationFlow。
我想使用自定义的头文件扩充工具来向头文件添加一些文件名,就像这样:
I'me using Spring Integration and java dsl specifications to implement my IntegrationFlow. I want to use an custom header enricher to add some file names to the header, it will be something like :
public class FileHeaderNamingEnricher {
public Message<File> enrichHeader(Message<File> fileMessage) {
// getting some details fom the database ...
return messageBuilder
.setHeader("filename", "somestuff")
.build();
}
}
我的集成流程如下:
public IntegrationFlow myflow() {
return IntegrationFlows.from("input")
.enrich // here I want to enrich the header using my class
}
丰富标题,请问有人可以帮我吗?
Can any one help me with this please ?
推荐答案
您可以将 FileHeaderNamingEnricher
扩展为 AbstractReplyProducingMesageHandler
(将您的代码放入 handleRequestMessage()
中)。
You can have your FileHeaderNamingEnricher
extend AbstractReplyProducingMesageHandler
(put your code in handleRequestMessage()
).
或者,实现 GenericHandler< T>
(其句柄
方法将有效负载和标头作为参数,并可以返回消息。)
Or, implement GenericHandler<T>
(its handle
method gets the payload and headers as parameters and can return a message).
然后使用 .handle
方法...
...
.handle(myEnricher())
...
@Bean
public void MessageHandler myEnricher() {
return new FileHeaderNamingEnricher();
}
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