mirror of https://github.com/apache/activemq.git
https://issues.apache.org/activemq/browse/AMQ-3017 - fllesystem blob strategy
git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@1038971 13f79535-47bb-0310-9956-ffa450edef68
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Bosanac Dejan
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9d4f30c018
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@ -17,6 +17,7 @@
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package org.apache.activemq.blob;
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import java.net.MalformedURLException;
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import java.net.URISyntaxException;
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import java.net.URL;
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/**
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@ -132,11 +133,15 @@ public class BlobTransferPolicy {
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if(url.getProtocol().equalsIgnoreCase("FTP")) {
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strategy = new FTPBlobUploadStrategy(this);
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} else if (url.getProtocol().equalsIgnoreCase("FILE")) {
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strategy = new FileSystemBlobStrategy(this);
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} else {
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strategy = new DefaultBlobUploadStrategy(this);
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}
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} catch (MalformedURLException e) {
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strategy = new DefaultBlobUploadStrategy(this);
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strategy = new DefaultBlobUploadStrategy(this);
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} catch (URISyntaxException e) {
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strategy = new DefaultBlobUploadStrategy(this);
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}
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return strategy;
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}
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@ -154,11 +159,15 @@ public class BlobTransferPolicy {
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if(url.getProtocol().equalsIgnoreCase("FTP")) {
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strategy = new FTPBlobDownloadStrategy(this);
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} else if (url.getProtocol().equalsIgnoreCase("FILE")) {
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strategy = new FileSystemBlobStrategy(this);
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} else {
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strategy = new DefaultBlobDownloadStrategy(this);
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}
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} catch (MalformedURLException e) {
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strategy = new DefaultBlobDownloadStrategy(this);
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} catch (URISyntaxException e) {
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strategy = new DefaultBlobDownloadStrategy(this);
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}
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return strategy;
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}
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@ -0,0 +1,129 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.activemq.blob;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.net.MalformedURLException;
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import java.net.URISyntaxException;
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import java.net.URL;
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import javax.jms.JMSException;
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import org.apache.activemq.command.ActiveMQBlobMessage;
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/**
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* {@link BlobUploadStrategy} and {@link BlobDownloadStrategy} implementation which use the local filesystem for storing
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* the payload
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*
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*/
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public class FileSystemBlobStrategy implements BlobUploadStrategy, BlobDownloadStrategy{
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private final BlobTransferPolicy policy;
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private File rootFile;
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public FileSystemBlobStrategy(final BlobTransferPolicy policy) throws MalformedURLException, URISyntaxException {
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this.policy = policy;
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createRootFolder();
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}
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/**
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* Create the root folder if not exist
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*
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* @throws MalformedURLException
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* @throws URISyntaxException
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*/
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protected void createRootFolder() throws MalformedURLException, URISyntaxException {
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rootFile = new File(new URL(policy.getUploadUrl()).toURI());
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if (rootFile.exists() == false) {
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rootFile.mkdirs();
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} else if (rootFile.isDirectory() == false) {
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throw new IllegalArgumentException("Given url is not a directory " + rootFile );
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}
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}
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/*
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* (non-Javadoc)
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* @see org.apache.activemq.blob.BlobUploadStrategy#uploadFile(org.apache.activemq.command.ActiveMQBlobMessage, java.io.File)
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*/
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public URL uploadFile(ActiveMQBlobMessage message, File file) throws JMSException, IOException {
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return uploadStream(message, new FileInputStream(file));
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}
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/*
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* (non-Javadoc)
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* @see org.apache.activemq.blob.BlobUploadStrategy#uploadStream(org.apache.activemq.command.ActiveMQBlobMessage, java.io.InputStream)
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*/
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public URL uploadStream(ActiveMQBlobMessage message, InputStream in) throws JMSException, IOException {
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File f = getFile(message);
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FileOutputStream out = new FileOutputStream(f);
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byte[] buffer = new byte[policy.getBufferSize()];
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for (int c = in.read(buffer); c != -1; c = in.read(buffer)) {
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out.write(buffer, 0, c);
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out.flush();
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}
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out.flush();
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out.close();
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// File.toURL() is deprecated
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return f.toURI().toURL();
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}
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/*
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* (non-Javadoc)
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* @see org.apache.activemq.blob.BlobDownloadStrategy#deleteFile(org.apache.activemq.command.ActiveMQBlobMessage)
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*/
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public void deleteFile(ActiveMQBlobMessage message) throws IOException, JMSException {
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File f = getFile(message);
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if (f.exists()) {
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if (f.delete() == false) throw new IOException("Unable to delete file " + f);
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}
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}
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/**
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* Returns a {@link FileInputStream} for the give {@link ActiveMQBlobMessage}
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*/
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public InputStream getInputStream(ActiveMQBlobMessage message) throws IOException, JMSException {
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return new FileInputStream(getFile(message));
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}
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/**
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* Return the {@link File} for the {@link ActiveMQBlobMessage}.
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*
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* @param message
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* @return file
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* @throws JMSException
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* @throws IOException
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*/
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protected File getFile(ActiveMQBlobMessage message) throws JMSException, IOException {
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if (message.getURL() != null) {
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try {
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return new File(message.getURL().toURI());
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} catch (URISyntaxException e) {
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throw new IOException("Unable to open file for message " + message ,e);
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}
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}
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//replace all : with _ to make windows more happy
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String fileName = message.getJMSMessageID().replaceAll(":", "_");
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return new File(rootFile, fileName);
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}
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}
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@ -0,0 +1,102 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.activemq.blob;
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import java.io.BufferedWriter;
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import java.io.File;
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import java.io.FileWriter;
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import java.io.InputStream;
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import javax.jms.Connection;
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import javax.jms.Message;
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import javax.jms.MessageConsumer;
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import javax.jms.MessageProducer;
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import javax.jms.Session;
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import junit.framework.Assert;
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import org.apache.activemq.ActiveMQSession;
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import org.apache.activemq.BlobMessage;
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import org.apache.activemq.EmbeddedBrokerTestSupport;
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import org.apache.activemq.command.ActiveMQBlobMessage;
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import org.apache.activemq.util.IOHelper;
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public class FilesystemBlobTest extends EmbeddedBrokerTestSupport {
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private Connection connection;
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private String tmpDir = System.getProperty("user.dir") + "/target/FilesystemBlobTest";
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public void setUp() throws Exception {
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super.setUp();
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// replace \ with / to let it work on windows too
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String fileUrl = "file:///" +tmpDir.replaceAll("\\\\", "/");
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bindAddress = "vm://localhost?jms.blobTransferPolicy.defaultUploadUrl=" + fileUrl;
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connectionFactory = createConnectionFactory();
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connection = createConnection();
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connection.start();
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}
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public void testBlobFile() throws Exception {
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// first create Message
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File file = File.createTempFile("amq-data-file-", ".dat");
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// lets write some data
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String content = "hello world " + System.currentTimeMillis();
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BufferedWriter writer = new BufferedWriter(new FileWriter(file));
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writer.append(content);
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writer.close();
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ActiveMQSession session = (ActiveMQSession) connection.createSession(
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false, Session.AUTO_ACKNOWLEDGE);
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MessageProducer producer = session.createProducer(destination);
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MessageConsumer consumer = session.createConsumer(destination);
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BlobMessage message = session.createBlobMessage(file);
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producer.send(message);
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Thread.sleep(1000);
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// check message send
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Message msg = consumer.receive(1000);
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Assert.assertTrue(msg instanceof ActiveMQBlobMessage);
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InputStream input = ((ActiveMQBlobMessage) msg).getInputStream();
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StringBuilder b = new StringBuilder();
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int i = input.read();
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while (i != -1) {
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b.append((char) i);
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i = input.read();
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}
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input.close();
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File uploaded = new File(tmpDir, msg.getJMSMessageID().toString().replace(":", "_"));
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Assert.assertEquals(content, b.toString());
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assertTrue(uploaded.exists());
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((ActiveMQBlobMessage)msg).deleteFile();
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assertFalse(uploaded.exists());
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}
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protected void tearDown() throws Exception {
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if (connection != null) {
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connection.stop();
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}
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super.tearDown();
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IOHelper.deleteFile(new File(tmpDir));
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}
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}
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