com.eBilling.util.S3Example.java Source code

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Here is the source code for com.eBilling.util.S3Example.java

Source

package com.eBilling.util;

/*
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/**
 *
 * @author srinivasa.dova
 */
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

import com.amazonaws.AmazonClientException;
import com.amazonaws.AmazonServiceException;
import com.amazonaws.auth.AWSCredentials;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3Client;
import com.amazonaws.services.s3.model.CannedAccessControlList;
import com.amazonaws.services.s3.model.DeleteObjectRequest;
import com.amazonaws.services.s3.model.GetObjectRequest;
import com.amazonaws.services.s3.model.PutObjectRequest;
import com.amazonaws.services.s3.model.S3Object;

public class S3Example {
    private static String bucketName = "dovasoftbucket";
    private static String keyName = "sample";
    private static String uploadFileName = "/home/koti/Downloads/secure_otp.gif";
    ///Users/srinivasa.dova/Documents/personalDocs

    void uploadfile(AWSCredentials credentials) {
        AmazonS3 s3client = new AmazonS3Client(credentials);

        try {
            File file = new File(uploadFileName);
            PutObjectRequest p = new PutObjectRequest(bucketName, keyName, file);
            p.setCannedAcl(CannedAccessControlList.PublicRead);
            s3client.putObject(p);
            String _finalUrl = "https://" + bucketName + ".s3.amazonaws.com/" + keyName;
            System.out.println(_finalUrl);
        } 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());
        }
    }

    void deletefile(AWSCredentials credentials1) {
        AmazonS3 s3client = new AmazonS3Client(credentials1);
        try {
            s3client.deleteObject(new DeleteObjectRequest(bucketName, keyName));
        } catch (AmazonServiceException ase) {
            System.out.println("Caught an AmazonServiceException.");
            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.");
            System.out.println("Error Message: " + ace.getMessage());
        }
    }

    void downloadfile(AWSCredentials credentials2) throws IOException {
        AmazonS3 s3client = new AmazonS3Client(credentials2);
        try {
            System.out.println("Downloading an object");
            S3Object s3object = s3client.getObject(new GetObjectRequest(bucketName, keyName));
            System.out.println("Content-Type: " + s3object.getObjectMetadata().getContentType());
            InputStream input = s3object.getObjectContent();

            BufferedReader reader = new BufferedReader(new InputStreamReader(input));
            while (true) {
                String line = reader.readLine();
                if (line == null)
                    break;

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

    public static void main(String[] args) throws IOException {
        AWSCredentials Credentials = new BasicAWSCredentials("AKIAJKLWA7ECH7VQKWVQ",
                "7XxAbyy0wZ+Dt25g3Ug4XYS7JW66YBLFyQ00MIg2");
        S3Example s3client = new S3Example();
        s3client.uploadfile(Credentials);
        //s3client.deletefile(Credentials);
        //s3client.downloadfile(Credentials);

    }
}