Chapter 1, Know-How about S3, gives a brief introduction to Amazon S3, covering the basic concepts, buckets, objects, and keys. We will also discuss the features of Amazon S3 that can be utilized at minimal cost and its reliable storage service.

Chapter 2, S3 using the AWS Management Console, teaches you how to use AWS Management Console and manage buckets, folders, objects, and operations on it. Along with basic operations, you will also learn about logging and versioning.

Chapter 3, S3 using AWS SDK – Java (Part 1), shows you how to use Amazon SDK—Java for Amazon S3 web services. We will take a look at how to create, upload, get, and delete the bucket, folder, and objects.

Chapter 4, S3 using AWS SDK – Java (Part 2), explains how to copy objects. It discusses multipart copy objects, which are used for large object sizes; the bucket life cycle, which defines two ways—transition (moving to Glacier) and removal; and CORS configuration, which is used to provide access via different domains.

Chapter 5, Deploying a Website on S3, shows how to configure static website hosting along with the bucket. We will consider how to map our custom domain name with the bucket.

You need the following for this book:

This book is intended for system engineers or developers, software architects, project managers, and users who want to explore Amazon S3 SDK Java. If you want to learn about Amazon S3 quickly, then this book is for you. Basic knowledge of Java programming is expected.

In this book, you will find a number of text styles that distinguish between different kinds of information. Here are some examples of these styles and an explanation of their meaning.

Code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles are shown as follows: "Replace bucketName with the actual bucket name and OBJECT_KEY_OR_FOLDER_NAME with either your object key or the name of the folder which is supposed to be deleted."

A block of code is set as follows:

package com.chapter3;

import java.util.Date;

import com.amazonaws.AmazonClientException;
import com.amazonaws.AmazonServiceException;
import com.amazonaws.services.s3.model.Bucket;

public class CreateBucket  extends AmazonS3ClientInitializer{
  public CreateBucket() {
    super();
  }

  public static void main(String[] args) {
    String bucketName = "sg-bucket-2015-using-java-api-" + new Date().getTime();

    CreateBucket object = new CreateBucket();
    object.createBucket(bucketName);
    object.listBucket();
  }

  public void createBucket(String bucketName){
    System.out.println("================ Create Bucket ================ ");
    try {
      System.out.println("Bucket Name: " + bucketName + "\n");
      s3.createBucket(bucketName);
    } catch (AmazonServiceException exception) {
      exception.printStackTrace();
    } catch (AmazonClientException exception) {
      exception.printStackTrace();
    }
  }

  public void listBucket(){
    System.out.println("================ Listing Buckets ================ ");
    for (Bucket bucket : s3.listBuckets()) {
      System.out.println(" - " + bucket.getName());
    }
  }
}

When we wish to draw your attention to a particular part of a code block, the relevant lines or items are set in bold:

BucketVersioningConfiguration configuration = new
  BucketVersioningConfiguration(BucketVersioningConfiguration.ENABLED);

SetBucketVersioningConfigurationRequest request = new
  SetBucketVersioningConfigurationRequest(bucketName, configuration);

s3.setBucketVersioningConfiguration(request);

New terms and important words are shown in bold. Words that you see on the screen, for example, in menus or dialog boxes, appear in the text like this: "Click on the Create New Group button."

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