Mule 3.6.1实现ftp上传文件

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本文介绍了一个Java类，用于将本地文件转换为二进制格式，并通过Mule ESB配置将其上传到FTP服务器的过程。此外，还展示了如何使用自定义转换器将文件内容作为消息发送至JMS队列。

1. 编写java类，该类的主要的目的是将文件转化为二进制

package com.sigmatrix.ftp.service;

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;

import org.mule.api.MuleMessage;
import org.mule.api.transformer.TransformerException;
import org.mule.transformer.AbstractMessageTransformer;

public class CreateFile extends AbstractMessageTransformer{

@Override
public Object transformMessage(MuleMessage message, String outputEncoding)

throws TransformerException {

File file = new File("F:\\001.jpg");

          return getBytesFromFile(file);
     }

     public static byte[] getBytesFromFile(File f){
        if (f == null){
            return null;
        }
        try{
            FileInputStream stream = new FileInputStream(f);
            ByteArrayOutputStream out = new ByteArrayOutputStream(1000);
            byte[] b = new byte[1000];
            int n;
            while ((n = stream.read(b)) != -1)
                out.write(b, 0, n);
                stream.close();
                out.close();
            return out.toByteArray();
        } catch (IOException e){
            e.printStackTrace();
        }
        return null;
    }
}

2. 配置.xml文件

<?xmlversion="1.0"encoding="UTF-8"?>

<mulexmlns:sftp="http://www.mulesoft.org/schema/mule/sftp"

xmlns:ftp="http://www.mulesoft.org/schema/mule/ftp"xmlns:file="http://www.mulesoft.org/schema/mule/file"

xmlns:jms="http://www.mulesoft.org/schema/mule/jms"xmlns:http="http://www.mulesoft.org/schema/mule/http"

xmlns:json="http://www.mulesoft.org/schema/mule/json"xmlns="http://www.mulesoft.org/schema/mule/core"

xmlns:doc="http://www.mulesoft.org/schema/mule/documentation"

xmlns:spring="http://www.springframework.org/schema/beans"version="CE-3.6.1"

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-current.xsd

http://www.mulesoft.org/schema/mule/core http://www.mulesoft.org/schema/mule/core/current/mule.xsd

http://www.mulesoft.org/schema/mule/http http://www.mulesoft.org/schema/mule/http/current/mule-http.xsd

http://www.mulesoft.org/schema/mule/json http://www.mulesoft.org/schema/mule/json/current/mule-json.xsd

http://www.mulesoft.org/schema/mule/jms http://www.mulesoft.org/schema/mule/jms/current/mule-jms.xsd

http://www.mulesoft.org/schema/mule/sftp http://www.mulesoft.org/schema/mule/sftp/current/mule-sftp.xsd

http://www.mulesoft.org/schema/mule/file http://www.mulesoft.org/schema/mule/file/current/mule-file.xsd

http://www.mulesoft.org/schema/mule/ftp http://www.mulesoft.org/schema/mule/ftp/current/mule-ftp.xsd">

<jms:activemq-connectorname="Active_MQ"

username="admin"password="admin"brokerURL="tcp://192.168.1.146:61616"

validateConnections="true"doc:name="Active MQ"/>

<http:listener-configname="HTTP_Listener_Configuration"host="localhost"port="65000"doc:name="HTTP Listener Configuration"/>

<flowname="emailWebService-flow">

<http:listenerconfig-ref="HTTP_Listener_Configuration"path="/ftp"doc:name="HTTP"/>

<custom-transformerclass="com.sigmatrix.ftp.service.CreateFile"doc:name="File To binary"/>

<set-propertypropertyName="imageUrl"value="#[server.dateTime+".jpg"]"doc:name="Set ImageName Property"/>

<ftp:outbound-endpoint host="124.205.21.162"

port="21"path="/home/wwwroot/ftpuser/upload/artVerification/art/mule/"user="ftp_mssc_user"

password="123456"responseTimeout="10000"doc:name="FTP"passive="false"binary="true"outputPattern="#[message.outboundProperties.imageUrl]"/>

<expression-componentdoc:name="Set Message To MQ"><![CDATA[payload = "{\"imgUrl\":\"http://192.168.1.211:86/upload/artVerification/art/mule/"+message.outboundProperties.imageUrl+"\"}";]]></expression-component>