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.File;
020import java.io.FileInputStream;
021import java.io.IOException;
022import java.io.InputStream;
023import java.net.MalformedURLException;
024import java.net.URL;
025
026import javax.jms.JMSException;
027
028import org.apache.activemq.command.ActiveMQBlobMessage;
029import org.apache.commons.net.ftp.FTPClient;
030
031/**
032 * A FTP implementation of {@link BlobUploadStrategy}.
033 */
034public class FTPBlobUploadStrategy extends FTPStrategy implements BlobUploadStrategy {
035        
036        public FTPBlobUploadStrategy(BlobTransferPolicy transferPolicy) throws MalformedURLException {
037                super(transferPolicy);
038        }
039
040        public URL uploadFile(ActiveMQBlobMessage message, File file) throws JMSException, IOException {
041                return uploadStream(message, new FileInputStream(file));
042        }
043
044        public URL uploadStream(ActiveMQBlobMessage message, InputStream in)
045                        throws JMSException, IOException {
046
047            FTPClient ftp = createFTP();
048            try {
049                String path = url.getPath();
050            String workingDir = path.substring(0, path.lastIndexOf("/"));
051                String filename = message.getMessageId().toString().replaceAll(":", "_");
052            ftp.setFileType(FTPClient.BINARY_FILE_TYPE);
053            
054            String url;
055            if(!ftp.changeWorkingDirectory(workingDir)) {
056                url = this.url.toString().replaceFirst(this.url.getPath(), "")+"/";
057            } else {
058                url = this.url.toString();
059            }
060            
061                if (!ftp.storeFile(filename, in)) {
062                    throw new JMSException("FTP store failed: " + ftp.getReplyString());
063                }
064                return new URL(url + filename);
065            } finally {
066                ftp.quit();
067                ftp.disconnect();
068            }
069                
070        }
071
072}