JBOSS---ESB 序列之三 helloworld_file_action详细介绍

helloworld_file_action 展示了如何利用 FileGateway 来 循环 监听 特定目录下 指定后缀的文件的处理过程
这对一些以文件为接口方式的集成，特别有用


1.helloworld_file_action EBS配置

<?xml version = "1.0" encoding = "UTF-8"?>
<jbossesb xmlns="http://anonsvn.labs.jboss.com/labs/jbossesb/trunk/product/etc/schemas/xml/jbossesb-1.0.1.xsd" parameterReloadSecs="5" >

    <providers>
          <fs-provider name="FSprovider1">
          <fs-bus busid="helloFileChannel" >
          <fs-message-filter
          directory="C:\helloworld_file_action\build\dirs\input"
          input-suffix=".dat"
          work-suffix=".esbWorking"
          post-delete="false"
          post-directory="C:\helloworld_file_action\build\dirs\output"
          post-suffix=".sentToEsb"
          error-delete="false"
          error-directory="C:\helloworld_file_action\build\dirs\error"
          error-suffix=".IN_ERROR"
          />
          </fs-bus>
          </fs-provider>
         
          <jms-provider name="JBossMessaging"  connection-factory="ConnectionFactory" >
           
    <jms-bus busid="quickstartEsbChannel">
        <jms-message-filter dest-type="QUEUE" dest-name="queue/quickstart_helloworld_file_esb" selector="type='fromHelloworldFileAction'"/>
    </jms-bus>

   </jms-provider>

      </providers>
     
      <services>
         
        <service  category="myCategory" name="myFileListener" description="Hello World File Action (esb listener)" >
            <listeners>
            <fs-listener name="FileGateway" busidref="helloFileChannel" is-gateway="true" poll-frequency-seconds="10" />
                <jms-listener name="helloWorldFileAction" busidref="quickstartEsbChannel"/>
            </listeners>
            <actions mep="OneWay">      
               <action name="testAction" class="org.jboss.soa.esb.actions.SystemPrintln" />
                     <action name="action1" class="org.jboss.soa.esb.samples.quickstart.helloworldfileaction.MyAction" process="displayMessage,playWithMessage" />     
                   <action name="dump" class="org.jboss.soa.esb.actions.SystemPrintln">
                   <property name="printfull" value="true"/>
                   </action>
                        <!-- The next action is for Continuous Integration testing -->
                   <action name="testStore" class="org.jboss.soa.esb.actions.TestMessageStore" />
            </actions>
        </service>
      </services>
    
</jbossesb>


2. Provider:
fs-provider 文件provider，主要用来在本地指定目录、指定后缀的文件，将文件的内容作为消息发送到 Service 的 esb bus(该例子是 quickstartEsbChannel )上去。
jms-provider 用来定义  Service 的 esb bus 的消息队列

3. 配置了 FileGateway listener 和  bus listener 监听器 分别 监听 文件 和 消息队列

4. 自定义Action只是打印文件的内容