/*
* Copyright 2010-2014 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.
*/
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JProgressBar;
import com.amazonaws.AmazonClientException;
import com.amazonaws.auth.AWSCredentials;
import com.amazonaws.auth.profile.ProfileCredentialsProvider;
import com.amazonaws.regions.Region;
import com.amazonaws.regions.Regions;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3Client;
import com.amazonaws.event.ProgressEvent;
import com.amazonaws.event.ProgressListener;
import com.amazonaws.services.s3.model.PutObjectRequest;
import com.amazonaws.services.s3.transfer.TransferManager;
import com.amazonaws.services.s3.transfer.Upload;
/**
* Demonstrates how to upload data to Amazon S3, and track progress, using a
* Swing progress bar.
* <p>
* <b>Prerequisites:</b> You must have a valid Amazon Web Services developer
* account, and be signed up to use Amazon S3. For more information on Amazon
* S3, see http://aws.amazon.com/s3.
* <p>
* Fill in your AWS access credentials in the provided credentials file
* template, and be sure to move the file to the default location
* (~/.aws/credentials) where the sample code will load the credentials from.
* <p>
* <b>WANRNING:</b> To avoid accidental leakage of your credentials, DO NOT keep
* the credentials file in your source directory.
*
* http://aws.amazon.com/security-credentials
*/
public class S3TransferProgressSample {
private static AWSCredentials credentials = null;
private static TransferManager tx;
private static String bucketName;
private JProgressBar pb;
private JFrame frame;
private Upload upload;
private JButton button;
public static void main(String[] args) throws Exception {
/*
* The ProfileCredentialsProvider will return your [default]
* credential profile by reading from the credentials file located at
* (~/.aws/credentials).
*
* TransferManager manages a pool of threads, so we create a
* single instance and share it throughout our application.
*/
try {
credentials = new ProfileCredentialsProvider().getCredentials();
} catch (Exception e) {
throw new AmazonClientException(
"Cannot load the credentials from the credential profiles file. " +
"Please make sure that your credentials file is at the correct " +
"location (~/.aws/credentials), and is in valid format.",
e);
}
AmazonS3 s3 = new AmazonS3Client(credentials);
Region usWest2 = Region.getRegion(Regions.US_WEST_2);
s3.setRegion(usWest2);
tx = new TransferManager(s3);
bucketName = "s3-upload-sdk-sample-" + credentials.getAWSAccessKeyId().toLowerCase();
new S3TransferProgressSample();
}
public S3TransferProgressSample() throws Exception {
frame = new JFrame("Amazon S3 File Upload");
button = new JButton("Choose File...");
button.addActionListener(new ButtonListener());
pb = new JProgressBar(0, 100);
pb.setStringPainted(true);
frame.setContentPane(createContentPane());
frame.pack();
frame.setVisible(true);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
class ButtonListener implements ActionListener {
public void actionPerformed(ActionEvent ae) {
JFileChooser fileChooser = new JFileChooser();
int showOpenDialog = fileChooser.showOpenDialog(frame);
if (showOpenDialog != JFileChooser.APPROVE_OPTION) return;
createAmazonS3Bucket();
ProgressListener progressListener = new ProgressListener() {
public void progressChanged(ProgressEvent progressEvent) {
if (upload == null) return;
pb.setValue((int)upload.getProgress().getPercentTransferred());
switch (progressEvent.getEventCode()) {
case ProgressEvent.COMPLETED_EVENT_CODE:
pb.setValue(100);
break;
case ProgressEvent.FAILED_EVENT_CODE:
try {
AmazonClientException e = upload.waitForException();
JOptionPane.showMessageDialog(frame,
"Unable to upload file to Amazon S3: " + e.getMessage(),
"Error Uploading File", JOptionPane.ERROR_MESSAGE);
} catch (InterruptedException e) {}
break;
}
}
};
File fileToUpload = fileChooser.getSelectedFile();
PutObjectRequest request = new PutObjectRequest(
bucketName, fileToUpload.getName(), fileToUpload)
.withGeneralProgressListener(progressListener);
upload = tx.upload(request);
}
}
private void createAmazonS3Bucket() {
try {
if (tx.getAmazonS3Client().doesBucketExist(bucketName) == false) {
tx.getAmazonS3Client().createBucket(bucketName);
}
} catch (AmazonClientException ace) {
JOptionPane.showMessageDialog(frame, "Unable to create a new Amazon S3 bucket: " + ace.getMessage(),
"Error Creating Bucket", JOptionPane.ERROR_MESSAGE);
}
}
private JPanel createContentPane() {
JPanel panel = new JPanel();
panel.add(button);
panel.add(pb);
JPanel borderPanel = new JPanel();
borderPanel.setLayout(new BorderLayout());
borderPanel.add(panel, BorderLayout.NORTH);
borderPanel.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));
return borderPanel;
}
}