JavaAdapter扩展进行Service调用拦截处理

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Flex
客户端调用
java
服务可以通过
blazeds
来进行桥接，为此我们需要在
java
端配置
blazeds
的几个配置文件，如：
services-config.xml
、
remote-config.xml
等等。

配置完毕之后，我们即可在
flex
端访问
remote-config.xml
中配置的
service
了，有时我们需要在
service
调用时进行拦截处理，如调用前的相关验证处理，调用后的结果处理，为此就需要对
JavaAdapter
进行扩展。

package flex.messaging.services.remoting.adapters;

import flex.messaging.FactoryInstance;

import flex.messaging.messages.Message;

import
flex.messaging.messages.RemotingMessage;

import
flex.messaging.services.remoting.RemotingDestination;

public class JavaAdapterEX extends
JavaAdapter {

@Override

public
Object invoke(Message message) {

//RemotingMessage
remotingMessage = (RemotingMessage) message;

//RemotingDestination
remotingDestination = (RemotingDestination) getDestination();

//FactoryInstance
factoryInstance = remotingDestination

//
.getFactoryInstance();

//String
className = factoryInstance.getSource();

//do
something before invoke.

Object
result = super.invoke(message);

//do
something after invoke.

return
result;

}

}

修改
remote-config.xml
配置文件如下：

<
adapters
>

<
adapter-definition
id
=
"java-object"

class
=
"flex.messaging.services.remoting.adapters.JavaAdapterEX"

default
=
"true"

/>

</
adapters
>