Java tutorial
/** * Copyright 2010 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package datameer.awstasks.util; import java.io.File; import com.amazonaws.services.s3.AmazonS3; import com.amazonaws.services.s3.model.AmazonS3Exception; public class S3Util { public static void uploadFile(AmazonS3 s3Service, String bucket, File file, String remotePath) { if (remotePath.startsWith("/")) { remotePath = remotePath.substring(1); } s3Service.putObject(bucket, remotePath, file); } public static boolean existsFile(AmazonS3 s3Service, String bucketName, String remotePath) { if (remotePath.startsWith("/")) { remotePath = remotePath.substring(1); } try { s3Service.getObjectAcl(bucketName, remotePath); return true; } catch (AmazonS3Exception e) { if ("NoSuchKey".equals(e.getErrorCode())) { return false; } throw e; } } public static String normalizeBucketName(String name) { name = name.toLowerCase(); name = name.replace(' ', '-'); name = name.replace('.', '-'); return name; } }