JBOSS---ESB 序列之四 helloworld_ftp_action详细介绍
helloworld_ftp_action 展示了如何利用 FtpGateway 来 循环 监听 远程ftp服务器上特定目录下 指定后缀的文件的处理过程这对一些以在远程ftp服务器上以文件为接口方式的集成，特别有用
1. Esb 配置文件
<?xml version = "1.0" encoding = "UTF-8"?>
<jbossesb xmlns="http://anonsvn.labs.jboss.com/labs/jbossesb/trunk/product/etc/schemas/xml/jbossesb-1.1.0.xsd" parameterReloadSecs="5">
<providers>
<ftp-provider name="FTPprovider" hostname="15.154.146.107" >
<ftp-bus busid="helloFTPChannel" >
<ftp-message-filter
username="bea"
password="bea123"
passive="false"
directory="/home/bea/test"
input-suffix=".dat"
work-suffix=".esbWorking"
post-delete="false"
post-rename="true"
post-directory="/home/bea/test/done"
post-suffix=".COMPLETE"
error-delete="false"
error-suffix=".HAS_ERROR"
/>
</ftp-bus>
</ftp-provider>
<jms-provider name="JBossMQ" connection-factory="ConnectionFactory">
<jms-bus busid="quickstartEsbChannel">
<jms-message-filter
dest-type="QUEUE"
dest-name="queue/quickstart_helloworld_ftp_esb"
selector="source='fromHelloworldFTPAction'"
/>
</jms-bus>
</jms-provider>
<schedule-provider name="cronExample">
<cron-schedule scheduleid="cron-schedule" cronExpression="0/10 * * * * ?"/>
</schedule-provider>
</providers>
<services>
<service
category="myCategory"
name="myFileListener"
description="Hello World File Action (esb listener)" >
<listeners>
<ftp-listener name="FtpGateway"
busidref="helloFTPChannel"
is-gateway="true"
scheduleidref="cron-schedule"/>
<jms-listener name="helloWorldFileAction"
busidref="quickstartEsbChannel"
/>
</listeners>
<actions mep="OneWay">
<action name="action1"
class="org.jboss.soa.esb.samples.quickstart.helloworldftpaction.MyAction"
process="displayMessage,playWithMessage"
/>
</actions>
</service>
</services>
</jbossesb>
2. 需要定义三个providers
1. ftp-provider 提供ftp功能
2. jms-provider 提供jms消息队列
3. schedule-provider指定调度频率
3. 需要定义两个listeners
1. ftp 网关监听器
2. jms-bus 监听器
4. action 只是打印文件的内容
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