jp.classmethod.aws.gradle.s3.BulkUploadTask.java Source code

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/*
 * 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;
    }
}