Java tutorial
/* * Copyright 2015-2016 David A. Lee. <dlee@calldei.com> * * This is a derived work from Classmethods, Inc. * * Current License Terms - Dual licensed under the following : * * "Simplified BSD License" included in license.txt * * The original work (derived from) license terms: Apache License, Version 2.0 * included in copyright.origin/LICENSE.TXT */ /* * TOTALLY BOGUS * Stupid */ package org.xmlsh.aws.gradle.s3; import lombok.Getter; import lombok.Setter; import org.gradle.api.GradleException; import org.gradle.api.internal.ConventionTask; import org.gradle.api.tasks.TaskAction; import com.amazonaws.AmazonClientException; import com.amazonaws.services.s3.AmazonS3; import com.amazonaws.services.s3.model.ObjectListing; public class DeleteBucketTask extends ConventionTask { @Getter @Setter String bucketName; @Getter @Setter boolean ifExists; @Getter @Setter boolean deleteObjects; public DeleteBucketTask() { setDescription("Create the Amazon S3 bucket."); setGroup("AWS"); } @TaskAction public void deleteBucket() { // to enable conventionMappings feature String bucketName = getBucketName(); boolean ifExists = isIfExists(); if (bucketName == null) throw new GradleException("bucketName is not specified"); AmazonS3PluginExtension ext = getProject().getExtensions().getByType(AmazonS3PluginExtension.class); AmazonS3 s3 = ext.getClient(); if (ifExists == false || exists(s3)) { if (deleteObjects) { getLogger().info("Delete all S3 objects in bucket [{}]", bucketName); ObjectListing objectListing = s3.listObjects(bucketName); while (objectListing.getObjectSummaries().isEmpty() == false) { objectListing.getObjectSummaries().forEach(summary -> { getLogger().info(" => delete s3://{}/{}", bucketName, summary.getKey()); s3.deleteObject(bucketName, summary.getKey()); }); objectListing = s3.listNextBatchOfObjects(objectListing); } } s3.deleteBucket(bucketName); getLogger().info("S3 bucket {} is deleted", bucketName); } else { getLogger().debug("S3 bucket {} does not exist", bucketName); } } private boolean exists(AmazonS3 s3) { // to enable conventionMappings feature String bucketName = getBucketName(); try { s3.getBucketLocation(bucketName); return true; } catch (AmazonClientException e) { return false; } } }