aws.sample.GettingStartedApp.java Source code

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Here is the source code for aws.sample.GettingStartedApp.java

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/*
 * Copyright 2010-2012 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.
 */
package aws.sample;

import com.amazonaws.AmazonServiceException;

/**
 * Welcome to your new AWS Java SDK based project!
 * 
 * This class is meant as a starting point for your console-based application that makes one or more calls to the AWS services supported by the Java SDK, such as EC2, SimpleDB, and S3.
 * 
 * In order to use the services in this sample, you need:
 * 
 * - A valid Amazon Web Services account. You can register for AWS at: https://aws-portal.amazon.com/gp/aws/developer/registration/index.html
 * 
 * - Your account's Access Key ID and Secret Access Key: http://aws.amazon.com/security-credentials
 * 
 * - A subscription to Amazon EC2. You can sign up for EC2 at: http://aws.amazon.com/ec2/
 * 
 */
public class GettingStartedApp {
    private static final long SLEEP_CYCLE = 60000;

    /*
     * Important: Be sure to fill in your AWS access credentials in the AwsCredentials.properties file before you try to run this sample. http://aws.amazon.com/security-credentials
     */

    public static void main(String[] args) throws Exception {

        System.out.println("===========================================");
        System.out.println("Welcome to the AWS Java SDK!");
        System.out.println("===========================================");

        /*
         * Amazon EC2
         * 
         * The AWS EC2 client allows you to create, delete, and administer instances programmatically.
         * 
         * In this sample, we use an EC2 client to submit a Spot request, wait for it to reach the active state, and then cancel and terminate the associated instance.
         */
        try {
            // Setup the helper object that will perform all of the API calls.
            Requests requests = new Requests();

            // Submit all of the requests.
            requests.submitRequests();

            // Loop through all of the requests until all bids are in the active state
            // (or at least not in the open state).
            do {
                // Sleep for 60 seconds.
                Thread.sleep(SLEEP_CYCLE);
            } while (requests.areAnyOpen());

            // Cancel all requests and terminate all running instances.
            requests.cleanup();

        } catch (AmazonServiceException ase) {
            // Write out any exceptions that may have occurred.
            ase.printStackTrace();
            System.out.println("Caught Exception: " + ase.getMessage());
            System.out.println("Reponse Status Code: " + ase.getStatusCode());
            System.out.println("Error Code: " + ase.getErrorCode());
            System.out.println("Request ID: " + ase.getRequestId());
        }
    }
}