How to upload files on Amazon s3 AWS in java

What is Amazon s3 AWS

package awss3app;

import java.io.File;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.io.BufferedReader;

import com.amazonaws.regions.Region;

import com.amazonaws.regions.Regions;

import com.amazonaws.auth.BasicAWSCredentials;

import com.amazonaws.services.s3.S3ClientOptions;

import com.amazonaws.auth.AWSCredentials;

import com.amazonaws.services.s3.AmazonS3;

import com.amazonaws.services.s3.AmazonS3Client;

import com.amazonaws.ClientConfiguration;

import com.amazonaws.AmazonClientException;

import com.amazonaws.AmazonServiceException;

import com.amazonaws.auth.profile.ProfileCredentialsProvider;

import com.amazonaws.services.s3.AmazonS3;

import com.amazonaws.services.s3.AmazonS3Client;

import com.amazonaws.services.s3.model.PutObjectRequest;

import com.amazonaws.services.s3.model.GetObjectRequest;

import com.amazonaws.services.s3.model.S3Object;

public class S3Sample {

    private static String bucketName     = "purgecoveringletter"; 

    private static String keyId   = "ASASASXIQBFDERREWWW";

    private static String keyName = "wew23434cb/0KBRvubU+vqwqqw223";

    //private static String END_POINT_URL = "http://s3-ap-southeast-1.amazonaws.com";

    private static String END_POINT_URL = "http://s3.amazonaws.com";

    private static String S3_CACHE="60";

    static String fileName = "images.jpg";

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

    AWSCredentials credentials = new BasicAWSCredentials(keyId,keyName);

    java.security.Security.setProperty("networkaddress.cache.ttl", S3_CACHE);

    AmazonS3 s3Client = new AmazonS3Client(credentials);

    Region southEast1 = Region.getRegion(Regions.AP_SOUTHEAST_1);

    //Region res = Region.getRegion(Regions. "ap-south-1");

    s3Client.setRegion(southEast1);

    s3Client.setEndpoint(END_POINT_URL);

    

    ClientConfiguration clientConfiguration = new ClientConfiguration();

    clientConfiguration.setSignerOverride("AWSS3V4SignerType");

    //s3Client.setEndpoint("http://s3.amazonaws.com");

    try {

        System.out.println("Uploading a new object to S3 from a file\n");

        //File file = new File(uploadFileName);

        // Upload file

        //s3Client.putObject(new PutObjectRequest(bucketName, keyName, file));

        s3Client.putObject(new PutObjectRequest(bucketName, fileName,new File("G:\\images.jpg")));

        GetObjectRequest rangeObjectRequest = new GetObjectRequest(bucketName, keyName);

        S3Object objectPortion = s3Client.getObject(rangeObjectRequest);

        System.out.println("Printing bytes retrieved:");

        displayTextInputStream(objectPortion.getObjectContent());

    } catch (AmazonServiceException ase) {

        System.out.println("Caught an AmazonServiceException, which " +

                   "means your request made it " +

                                       "to Amazon S3, but was rejected with an error response" +

                   " for some reason.");

        System.out.println("Error Message:    " + ase.getMessage());

        System.out.println("HTTP Status Code: " + ase.getStatusCode());

        System.out.println("AWS Error Code:   " + ase.getErrorCode());

        System.out.println("Error Type:       " + ase.getErrorType());

        System.out.println("Request ID:       " + ase.getRequestId());

    } catch (AmazonClientException ace) {

        System.out.println("Caught an AmazonClientException, which " +

                   "means the client encountered " +

                                       "an internal error while trying to " +

                                       "communicate with S3, " +

                   "such as not being able to access the network.");

        System.out.println("Error Message: " + ace.getMessage());

    }

    }

    private static void displayTextInputStream(InputStream input)

    throws IOException {

    // Read one text line at a time and display.

    BufferedReader reader = new BufferedReader(new InputStreamReader(input));

    while (true) {

        String line = reader.readLine();

        if (line == null) break;

        System.out.println("    " + line);

    }

    System.out.println();       

    }

}

Dependency jars

After upload the file you can check S3 Browser for uploaded files