S3Console.java Source code

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Here is the source code for S3Console.java

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/*
 * Copyright 2010 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file 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.
 * 
 * Modified by Sambit Sahu
 * Modified by Kyung-Hwa Kim (kk2515@columbia.edu)
 * 
 * 
 */
import java.io.BufferedReader;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.Writer;

import com.amazonaws.services.s3.AmazonS3Client;
import com.amazonaws.services.s3.model.GetObjectRequest;
import com.amazonaws.services.s3.model.PutObjectRequest;
import com.amazonaws.services.s3.model.S3Object;

public class S3Console {

    AmazonS3Client s3;

    // We assume that we've already created an instance. Use the id of the instance.
    String instanceId = "i-5a9fa127"; //put your own instance id to test this code.

    void createS3Bucket(AmazonS3Client s3, String mc_no) throws IOException {
        this.s3 = s3;

        //create bucket
        String bucketName = "prachi-amazon-s3-bucket-" + mc_no + Virtualize.no_of_days;
        s3.createBucket(bucketName);

        //set key
        String key = "ReadMe.txt";

        //set value
        File file = File.createTempFile("temp", ".txt");
        file.deleteOnExit();
        Writer writer = new OutputStreamWriter(new FileOutputStream(file));
        writer.write("Amazon S3 Bucket Created.\r ........Success !!");
        writer.close();

        //put object - bucket, key, value(file)
        s3.putObject(new PutObjectRequest(bucketName, key, file));

        //get object
        S3Object object = s3.getObject(new GetObjectRequest(bucketName, key));
        BufferedReader reader = new BufferedReader(new InputStreamReader(object.getObjectContent()));
        String data = null;
        while ((data = reader.readLine()) != null) {
            System.out.println(data);
        }
    }
}