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; import datameer.awstasks.util.S3Util; public class CreateBucketCommand extends S3Command { private String _name; private String _location; private boolean _emptyIfExistent; private boolean _normalizeName; public void setName(String name) { _name = name; } public String getName() { return _name; } public void setLocation(String location) { _location = location; } public String getLocation() { return _location; } public void setEmptyIfExistent(boolean emptyIfExistent) { _emptyIfExistent = emptyIfExistent; } public boolean isEmptyIfExistent() { return _emptyIfExistent; } public void setNormalizeName(boolean normalizeName) { _normalizeName = normalizeName; } public boolean isNormalizeName() { return _normalizeName; } @Override public void execute(Project project, AmazonS3 s3Service) { String name = getNormalizedName(); boolean doesBucketExist = s3Service.doesBucketExist(name); if (isEmptyIfExistent() && doesBucketExist) { List<S3ObjectSummary> s3Objects = s3Service.listObjects(name).getObjectSummaries(); for (S3ObjectSummary s3Object : s3Objects) { s3Service.deleteObject(name, s3Object.getKey()); } doesBucketExist = false; } if (!doesBucketExist) { try { s3Service.createBucket(name, _location); System.out.println("created bucket '" + name + "'"); } catch (Exception e) { throw new RuntimeException("failed to create bucket '" + name + "'", e); } } } private String getNormalizedName() { if (isNormalizeName()) { return S3Util.normalizeBucketName(_name); } return _name; } @Override public String toString() { return this.getClass().getSimpleName() + "[" + getNormalizedName() + "]"; } }