jp.classmethod.aws.gradle.s3.AmazonS3FileUploadTask.java Source code

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Here is the source code for jp.classmethod.aws.gradle.s3.AmazonS3FileUploadTask.java

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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 java.io.File;
import java.io.IOException;

import org.gradle.api.GradleException;
import org.gradle.api.tasks.TaskAction;

import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3Client;
import com.amazonaws.services.s3.model.ObjectMetadata;
import com.amazonaws.services.s3.model.PutObjectRequest;
import com.google.common.hash.Hashing;
import com.google.common.io.Files;

public class AmazonS3FileUploadTask extends AbstractAmazonS3FileUploadTask {

    public AmazonS3FileUploadTask() {
        setDescription("Upload file to the Amazon S3 bucket.");
        setGroup("AWS");
    }

    @TaskAction
    public void upload() throws IOException {
        // to enable conventionMappings feature
        String bucketName = getBucketName();
        String key = getKey();
        File file = getFile();

        if (bucketName == null) {
            throw new GradleException("bucketName is not specified");
        }
        if (key == null) {
            throw new GradleException("key is not specified");
        }
        if (file == null) {
            throw new GradleException("file is not specified");
        }
        if (file.isFile() == false) {
            throw new GradleException("file must be regular file");
        }

        AmazonS3PluginExtension ext = getProject().getExtensions().getByType(AmazonS3PluginExtension.class);
        AmazonS3 s3 = ext.getClient();

        // metadata will be null iff the object does not exist
        ObjectMetadata metadata = existingObjectMetadata();

        if (metadata == null || (isOverwrite() && metadata.getETag().equals(md5()) == false)) {
            getLogger().info("uploading... " + bucketName + "/" + key);
            s3.putObject(new PutObjectRequest(bucketName, key, file).withMetadata(getObjectMetadata()));
            getLogger().info("upload completed: " + ((AmazonS3Client) s3).getResourceUrl(bucketName, key));
        } else {
            getLogger().info("s3://{}/{} already exists with matching md5 sum -- skipped", bucketName, key);
        }
        setResourceUrl(s3.getUrl(bucketName, key).toString());
    }

    private String md5() throws IOException {
        return Files.hash(getFile(), Hashing.md5()).toString();
    }
}