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.ant.s3.model; import java.util.List; import org.apache.tools.ant.Project; import com.amazonaws.services.s3.AmazonS3; import com.amazonaws.services.s3.model.S3ObjectSummary; public class DeleteObjectsCommand extends S3Command { private String _bucket; private String _prefix; public String getBucket() { return _bucket; } public void setBucket(String bucket) { _bucket = bucket; } public String getPrefix() { return _prefix; } public void setPrefix(String prefix) { _prefix = prefix; } @Override public void execute(Project project, AmazonS3 s3Service) { if (_prefix.startsWith("/")) { _prefix = _prefix.substring(1); } System.out.println("deleting all keys with '" + _prefix + "' in bucket '" + _bucket + "'"); List<S3ObjectSummary> objectListing = s3Service.listObjects(_bucket, _prefix).getObjectSummaries(); long size = 0; for (S3ObjectSummary s3ObjectSummary : objectListing) { size += s3ObjectSummary.getSize(); s3Service.deleteObject(_bucket, s3ObjectSummary.getKey()); } System.out.println("deleted " + objectListing.size() + " objects with size of " + size + " bytes"); } }