001/** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.activemq.blob; 018 019import java.io.IOException; 020import java.net.ConnectException; 021import java.net.MalformedURLException; 022import java.net.URL; 023 024import javax.jms.JMSException; 025 026import org.apache.activemq.command.ActiveMQBlobMessage; 027import org.apache.commons.net.ftp.FTPClient; 028 029public class FTPStrategy { 030 031 protected BlobTransferPolicy transferPolicy; 032 protected URL url; 033 protected String ftpUser = ""; 034 protected String ftpPass = ""; 035 036 public FTPStrategy(BlobTransferPolicy transferPolicy) throws MalformedURLException { 037 this.transferPolicy = transferPolicy; 038 this.url = new URL(this.transferPolicy.getUploadUrl()); 039 } 040 041 protected void setUserInformation(String userInfo) { 042 if(userInfo != null) { 043 String[] userPass = userInfo.split(":"); 044 if(userPass.length > 0) this.ftpUser = userPass[0]; 045 if(userPass.length > 1) this.ftpPass = userPass[1]; 046 } else { 047 this.ftpUser = "anonymous"; 048 this.ftpPass = "anonymous"; 049 } 050 } 051 052 protected FTPClient createFTP() throws IOException, JMSException { 053 String connectUrl = url.getHost(); 054 setUserInformation(url.getUserInfo()); 055 int port = url.getPort() < 1 ? 21 : url.getPort(); 056 057 FTPClient ftp = new FTPClient(); 058 try { 059 ftp.connect(connectUrl, port); 060 } catch(ConnectException e) { 061 throw new JMSException("Problem connecting the FTP-server"); 062 } 063 if(!ftp.login(ftpUser, ftpPass)) { 064 ftp.quit(); 065 ftp.disconnect(); 066 throw new JMSException("Cant Authentificate to FTP-Server"); 067 } 068 return ftp; 069 } 070 071}