Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.neu.Spark; import java.io.ByteArrayInputStream; import java.io.File; import java.util.List; import com.amazonaws.auth.AWSCredentials; import com.amazonaws.auth.BasicAWSCredentials; import com.amazonaws.util.StringUtils; import com.amazonaws.services.s3.AmazonS3; import com.amazonaws.services.s3.AmazonS3Client; import com.amazonaws.services.s3.model.Bucket; import com.amazonaws.services.s3.model.CannedAccessControlList; //import com.amazonaws.services.s3.model.GeneratePresignedUrlRequest; import com.amazonaws.services.s3.model.GetObjectRequest; import com.amazonaws.services.s3.model.ObjectListing; import com.amazonaws.services.s3.model.ObjectMetadata; import com.amazonaws.services.s3.model.S3ObjectSummary; import com.amazonaws.ClientConfiguration; import com.amazonaws.Protocol; import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.util.logging.Level; import java.util.logging.Logger; /** * * @author Muddassar */ public class MainFrame extends javax.swing.JFrame { AmazonS3 conn = null; /** * Creates new form MainFrame */ public MainFrame() { initComponents(); AWSCredentials credentials = new BasicAWSCredentials(accessKey, secretKey); ClientConfiguration clientConfig = new ClientConfiguration(); clientConfig.setProtocol(Protocol.HTTP); conn = new AmazonS3Client(credentials); conn.setEndpoint("s3.amazonaws.com"); } /** * This method is called from within the constructor to initialize the form. * WARNING: Do NOT modify this code. The content of this method is always * regenerated by the Form Editor. */ @SuppressWarnings("unchecked") // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents private void initComponents() { btnReviewSentiment = new javax.swing.JButton(); jLabel1 = new javax.swing.JLabel(); jScrollPane1 = new javax.swing.JScrollPane(); reviewText = new javax.swing.JTextArea(); setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); btnReviewSentiment.setText("Submit"); btnReviewSentiment.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnReviewSentimentActionPerformed(evt); } }); jLabel1.setText("Review"); reviewText.setColumns(20); reviewText.setRows(5); jScrollPane1.setViewportView(reviewText); javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane()); getContentPane().setLayout(layout); layout.setHorizontalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup().addGap(108, 108, 108) .addComponent(btnReviewSentiment)) .addGroup(layout.createSequentialGroup().addGap(68, 68, 68).addComponent(jLabel1) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED) .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))) .addContainerGap(96, Short.MAX_VALUE))); layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup().addGroup(layout .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup().addGap(130, 130, 130).addComponent(jLabel1)) .addGroup(layout.createSequentialGroup().addGap(95, 95, 95).addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 114, javax.swing.GroupLayout.PREFERRED_SIZE))) .addGap(18, 18, 18).addComponent(btnReviewSentiment) .addContainerGap(142, Short.MAX_VALUE))); pack(); }// </editor-fold>//GEN-END:initComponents private void btnReviewSentimentActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnReviewSentimentActionPerformed // TODO add your handling code here: conn.deleteObject("spark-sentimentanalysis", "file.txt"); try { Thread.sleep(15000); } catch (InterruptedException ex) { Logger.getLogger(MainFrame.class.getName()).log(Level.SEVERE, null, ex); } for (int i = 0; i < 10; i++) { String review = reviewText.getText(); ByteArrayInputStream input = new ByteArrayInputStream(review.getBytes()); conn.putObject("spark-sentimentanalysis", "file.txt", input, new ObjectMetadata()); } }//GEN-LAST:event_btnReviewSentimentActionPerformed /** * @param args the command line arguments */ public static void main(String args[]) { /* Set the Nimbus look and feel */ //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) "> /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel. * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html */ try { for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) { if ("Nimbus".equals(info.getName())) { javax.swing.UIManager.setLookAndFeel(info.getClassName()); break; } } } catch (ClassNotFoundException ex) { java.util.logging.Logger.getLogger(MainFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (InstantiationException ex) { java.util.logging.Logger.getLogger(MainFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (IllegalAccessException ex) { java.util.logging.Logger.getLogger(MainFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (javax.swing.UnsupportedLookAndFeelException ex) { java.util.logging.Logger.getLogger(MainFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } //</editor-fold> //</editor-fold> /* Create and display the form */ java.awt.EventQueue.invokeLater(new Runnable() { public void run() { new MainFrame().setVisible(true); } }); } // Variables declaration - do not modify//GEN-BEGIN:variables private javax.swing.JButton btnReviewSentiment; private javax.swing.JLabel jLabel1; private javax.swing.JScrollPane jScrollPane1; private javax.swing.JTextArea reviewText; // End of variables declaration//GEN-END:variables }