Java tutorial
/* * Copyright 2015-2016 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 jp.classmethod.aws.gradle.s3; import lombok.Getter; import lombok.Setter; import org.gradle.api.file.EmptyFileVisitor; import org.gradle.api.file.FileTree; import org.gradle.api.file.FileVisitDetails; import org.gradle.api.internal.ConventionTask; import org.gradle.api.tasks.TaskAction; import com.amazonaws.services.s3.AmazonS3; import com.amazonaws.services.s3.model.ObjectMetadata; import com.amazonaws.services.s3.model.PutObjectRequest; import groovy.lang.Closure; public class BulkUploadTask extends ConventionTask { @Getter @Setter private String bucketName; @Getter @Setter private String prefix; @Getter @Setter private FileTree source; @Getter @Setter private Closure<ObjectMetadata> metadataProvider; @TaskAction public void upload() { // to enable conventionMappings feature String bucketName = getBucketName(); String prefix = getNormalizedPrefix(); FileTree source = getSource(); AmazonS3PluginExtension ext = getProject().getExtensions().getByType(AmazonS3PluginExtension.class); AmazonS3 s3 = ext.getClient(); getLogger().info("uploading... {} to s3://{}/{}", source, bucketName, prefix); source.visit(new EmptyFileVisitor() { public void visitFile(FileVisitDetails element) { String key = prefix + element.getRelativePath(); getLogger().info(" => s3://{}/{}", bucketName, key); Closure<ObjectMetadata> metadataProvider = getMetadataProvider(); s3.putObject(new PutObjectRequest(bucketName, key, element.getFile()) .withMetadata(metadataProvider == null ? null : metadataProvider.call(getBucketName(), key, element.getFile()))); } }); } private String getNormalizedPrefix() { String prefix = getPrefix(); if (prefix.startsWith("/")) { prefix = prefix.substring(1); } if (prefix.endsWith("/") == false) { prefix += "/"; } return prefix; } }