biz.neustar.webmetrics.plugins.neustar_s3_maven_plugin.S3UploadMojo.java Source code

Introduction

Here is the source code for biz.neustar.webmetrics.plugins.neustar_s3_maven_plugin.S3UploadMojo.java

Source

package biz.neustar.webmetrics.plugins.neustar_s3_maven_plugin;

/*
 * Copyright 2001-2005 The Apache Software Foundation.
 *
 * 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.
 */

import java.io.File;
import java.util.List;

import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;

import com.amazonaws.AmazonClientException;
import com.amazonaws.AmazonServiceException;
import com.amazonaws.auth.AWSCredentials;
import com.amazonaws.auth.AWSCredentialsProvider;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.auth.DefaultAWSCredentialsProviderChain;
import com.amazonaws.internal.StaticCredentialsProvider;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3Client;
import com.amazonaws.services.s3.transfer.Transfer;
import com.amazonaws.services.s3.transfer.TransferManager;

/**
 * <p></p>
 * 
 * @author <a href="mailto:kevin.murdoff@neustar.biz">Kevin F. Murdoff</a>
 */
@Mojo(name = "upload")
public class S3UploadMojo extends AbstractMojo {

    /** Access key for S3. */
    @Parameter(alias = "accessKey")
    private String accessKey;

    /** Secret key for S3. */
    @Parameter(alias = "secretKey")
    private String secretKey;

    /**
     *  Execute all steps up except the upload to the S3.
     *  This can be set to true to perform a "dryRun" execution.
     */
    @Parameter(alias = "doNotUpload", defaultValue = "false")
    private boolean doNotUpload;

    /** Force override of endpoint for S3 regions such as EU. */
    @Parameter(alias = "endpoint")
    private String endpoint;

    /** In the case of a directory upload, recursively upload the contents. */
    @Parameter(alias = "recursive", defaultValue = "false")
    private boolean recursive;

    /** */
    @Parameter(alias = "files")
    private List<UploadFile> files;

    /** */
    @Parameter(alias = "buckets")
    private List<String> buckets;

    /** */
    @Parameter(alias = "failOnError", defaultValue = "true")
    private boolean failOnError;

    /** */
    public void execute() throws MojoExecutionException {

        getLog().debug("accessKey:  " + accessKey);
        getLog().debug("secretKey:  " + secretKey);
        //      getLog().debug("bucketName:  " + bucketName);

        if ((files == null) || (files.isEmpty())) {
            throw new MojoExecutionException("No files configured to upload!");
        }

        if ((buckets == null) || (buckets.isEmpty())) {
            throw new MojoExecutionException("No buckets configured to upload files to!");
        }

        AmazonS3 s3 = getS3Client(accessKey, secretKey);

        for (String bucket : buckets) {

            for (UploadFile uf : files) {
                File source = new File(uf.getSource());
                if (!source.exists()) {
                    throw new MojoExecutionException(
                            "File/folder '" + source.getAbsolutePath() + "' doesn't exist.");
                }

                if (!doNotUpload) {

                    //   Upload the source File to the S3 bucket.
                    boolean success = upload(s3, bucket, source, uf.getTarget());

                    if (!success) {
                        if (failOnError) {
                            throw new MojoExecutionException("S3 file upload failed!");
                        }
                    }
                } else {
                    getLog().debug("File " + source.getAbsolutePath() + " would have been uploaded to " + bucket
                            + "/" + uf.getTarget());
                }
            }
        }
    }

    /** */
    private boolean upload(AmazonS3 s3, String bucketName, File sourceFile, String targetPath)
            throws MojoExecutionException {

        TransferManager mgr = new TransferManager(s3);
        Transfer transfer = null;
        transfer = mgr.upload(bucketName, targetPath, sourceFile);

        try {
            transfer.waitForCompletion();
            getLog().info("Transferred " + transfer.getProgress().getBytesTransfered() + " bytes.");
        } catch (AmazonServiceException e) {
            e.printStackTrace();
            return false;
        } catch (AmazonClientException e) {
            e.printStackTrace();
            return false;
        } catch (InterruptedException e) {
            e.printStackTrace();
            return false;
        }

        return true;
    }

    /** */
    private static AmazonS3 getS3Client(String accessKey, String secretKey) {

        AWSCredentialsProvider provider = null;

        if (accessKey != null && secretKey != null) {
            AWSCredentials credentials = new BasicAWSCredentials(accessKey, secretKey);
            provider = new StaticCredentialsProvider(credentials);
        } else {
            provider = new DefaultAWSCredentialsProviderChain();
        }
        return new AmazonS3Client(provider);
    }

    /** */
    public String getAccessKey() {
        return accessKey;
    }

    /** */
    public String getSecretKey() {
        return secretKey;
    }

    /** */
    public boolean isDoNotUpload() {
        return doNotUpload;
    }

    /** */
    public String getEndpoint() {
        return endpoint;
    }

    /** */
    public boolean isRecursive() {
        return recursive;
    }

    /** */
    public List<UploadFile> getFiles() {
        return files;
    }

    /** */
    public List<String> getBuckets() {
        return buckets;
    }

    /** */
    public boolean isFailOnError() {
        return failOnError;
    }

    /** */
    public void setAccessKey(String accessKey) {
        this.accessKey = accessKey;
    }

    /** */
    public void setSecretKey(String secretKey) {
        this.secretKey = secretKey;
    }

    /** */
    public void setDoNotUpload(boolean doNotUpload) {
        this.doNotUpload = doNotUpload;
    }

    /** */
    public void setEndpoint(String endpoint) {
        this.endpoint = endpoint;
    }

    /** */
    public void setRecursive(boolean recursive) {
        this.recursive = recursive;
    }

    /** */
    public void setFiles(List<UploadFile> files) {
        this.files = files;
    }

    /** */
    public void setBuckets(List<String> buckets) {
        this.buckets = buckets;
    }

    /** */
    public void setFailOnError(boolean failOnError) {
        this.failOnError = failOnError;
    }
}