Java tutorial
/* * Copyright 2010-2015 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 com.zhang.aws.s3; 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; } }