[英]How do I pass a Java HashMap to a custom Mule connector?
现在,连接器代码如下所示:
// myConnector class
/**
* Process item
*
* {@sample.xml ../../../doc/my-connector.xml.sample myConnector:process}
*
* @param binary
* the item to process
* @param stuff
* key value pairs for processing
*
* @return the status as a string
*
* @throws NullPointerException
* when one of the parameters are null
*/
@Processor
public String process ( @Payload final byte[] binary,
final HashMap<String,String> stuff)
throws NullPointerException {...}
// myConnector.sample
<!-- BEGIN_INCLUDE(myConnector:process) -->
<myConnector:process>
<myConnector:stuff>
<item1>data1</item1>
<item2>data2</item2>
</myConnector:stuff>
</myConnector:process>
<!-- END_INCLUDE(myConnector:process) —>
我有一个HashMap存储在我的Mule流(#[header:session:myHashMap])中的会话标头中,但是我不知道如何将其发送到连接器。
-更新-
如果更改连接器示例和连接器元素以匹配,则在构建连接器时会收到错误消息。
// myConnector.sample
<!-- BEGIN_INCLUDE(myConnector:process) -->
<myConnector:process stuff="#[stuff]"/>
<!-- END_INCLUDE(myConnector:process) —>
// my mule flow
<flow>
<myConnector:process stuff="#[sessionVars.myHashMap]"/>
</flow>
// the error
[ERROR] Error validating example: cvc-complex-type.3.2.2: Attribute 'stuff' is not allowed to appear in element 'myConnector:process'. Failing example: <myConnector:process stuff="#[stuff]"/>
[ERROR] error on execute: An error ocurred while the DevKit was generating Java code. Check the logs for further details.
关于什么:
<myConnector:process>
<myConnector:stuff ref="#[sessionVars['myHashMap']]" />
</myConnector:process>
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