/* * Computoser is a music-composition algorithm and a website to present the results * Copyright (C) 2012-2014 Bozhidar Bozhanov * * Computoser is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * Computoser is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with Computoser. If not, see <http://www.gnu.org/licenses/>. */ package com.music.service; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import javax.inject.Inject; import org.jets3t.service.S3Service; import org.jets3t.service.S3ServiceException; import org.jets3t.service.ServiceException; import org.jets3t.service.model.S3Object; import org.springframework.beans.factory.annotation.Value; import org.springframework.stereotype.Service; @Service public class AmazonFileStorageService implements FileStorageService { @Inject private S3Service service; @Value("${s3.bucket.name}") private String bucketName; @Override public void storeFile(String path, byte[] content) throws IOException { storeFile(path, new ByteArrayInputStream(content), content.length); } @Override public void storeFile(String path, InputStream is, long size) throws IOException { path = stripLeadingSlash(path); S3Object fileObject = new S3Object(path); fileObject.setDataInputStream(is); if (size != -1) { fileObject.setContentLength(size); } try { service.putObject(bucketName, fileObject); } catch (S3ServiceException e) { throw new IOException(e); } } @Override public InputStream getFile(String path) throws IOException { try { path = stripLeadingSlash(path); S3Object object = service.getObject(bucketName, path); return object.getDataInputStream(); } catch (ServiceException e) { throw new IOException(e); } } @Override public void moveFile(String sourcePath, String targetPath) throws IOException { try { sourcePath = stripLeadingSlash(sourcePath); targetPath = stripLeadingSlash(targetPath); S3Object targetObject = new S3Object(targetPath); service.moveObject(bucketName, sourcePath, bucketName, targetObject, true); } catch (ServiceException ex) { throw new IOException(ex); } } @Override public void delete(String path) throws IOException { path = stripLeadingSlash(path); try { service.deleteObject(bucketName, path); } catch (ServiceException ex) { throw new IOException(ex); } } private String stripLeadingSlash(String path) { if (path.charAt(0) == '/') { return path.substring(1); } return path; } }