com.github.cshubhamrao.MediaConverter.MainUI.java Source code

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Here is the source code for com.github.cshubhamrao.MediaConverter.MainUI.java

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/*
 * Copyright (C) 2015 Shubham Rao
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.github.cshubhamrao.MediaConverter;

import com.github.cshubhamrao.MediaConverter.Library.FFMpegLoader;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JOptionPane;
import javax.swing.JTextArea;
import javax.swing.SwingWorker;
import org.apache.commons.exec.*;

/**
 * This class is the main UI for the app.
 *
 * @author Shubham Rao
 * @version 0.1.0
 */
public class MainUI extends javax.swing.JFrame {

    /*
     * Represents Files used by all parts of program
     */
    File inputFileLocation;
    File outputFileLocation;
    /** Constant <code>logFile</code> */
    public static File logFile;

    /**
     * Creates new form MainUI
     */
    public MainUI() {
        initComponents();
    }

    /**
     * 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() {

        inputFileChooser = new javax.swing.JFileChooser();
        outputFileChooser = new javax.swing.JFileChooser();
        filePanel = new javax.swing.JPanel();
        inputFileLabel = new javax.swing.JLabel();
        inputFile = new javax.swing.JTextField();
        inputFileBrowse = new javax.swing.JButton();
        outputFileLabel = new javax.swing.JLabel();
        outputFile = new javax.swing.JTextField();
        outputFileBrowse = new javax.swing.JButton();
        progressBar = new javax.swing.JProgressBar();
        exitButton = new javax.swing.JButton();
        startButton = new javax.swing.JButton();
        versionInfo = new javax.swing.JButton();
        outputLogLabel = new javax.swing.JLabel();
        jScrollPane2 = new javax.swing.JScrollPane();
        outputArea = new javax.swing.JTextArea();

        inputFileChooser.setCurrentDirectory(new java.io.File("C:\\Users\\Shubham\\Videos"));
        inputFileChooser.setDialogTitle("Open file for conversion");

        outputFileChooser.setDialogType(javax.swing.JFileChooser.SAVE_DIALOG);
        outputFileChooser.setCurrentDirectory(new java.io.File("C:\\Users\\Shubham\\Videos"));
        outputFileChooser.setDialogTitle("Save the output file as");

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("Media Converter");
        setLocationByPlatform(true);
        setResizable(false);

        filePanel.setBorder(javax.swing.BorderFactory.createTitledBorder(null, "File Selection",
                javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION,
                javax.swing.border.TitledBorder.DEFAULT_POSITION, new java.awt.Font("Tahoma", 0, 12))); // NOI18N

        inputFileLabel.setText("Input File");

        inputFileBrowse.setText("Browse");
        inputFileBrowse.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                inputFileBrowseActionPerformed(evt);
            }
        });

        outputFileLabel.setText("Output File");

        outputFileBrowse.setText("Browse");
        outputFileBrowse.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                outputFileBrowseActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout filePanelLayout = new javax.swing.GroupLayout(filePanel);
        filePanel.setLayout(filePanelLayout);
        filePanelLayout.setHorizontalGroup(filePanelLayout
                .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(filePanelLayout.createSequentialGroup().addContainerGap()
                        .addGroup(filePanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                                .addComponent(outputFileLabel).addComponent(inputFileLabel))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(filePanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                .addComponent(outputFile).addComponent(inputFile))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(filePanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                .addComponent(inputFileBrowse, javax.swing.GroupLayout.Alignment.TRAILING)
                                .addComponent(outputFileBrowse, javax.swing.GroupLayout.Alignment.TRAILING))
                        .addContainerGap()));
        filePanelLayout.setVerticalGroup(filePanelLayout
                .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(filePanelLayout.createSequentialGroup()
                        .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                        .addGroup(filePanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                .addComponent(inputFileLabel)
                                .addComponent(inputFile, javax.swing.GroupLayout.PREFERRED_SIZE,
                                        javax.swing.GroupLayout.DEFAULT_SIZE,
                                        javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addComponent(inputFileBrowse))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(filePanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                .addComponent(outputFileLabel)
                                .addComponent(outputFile, javax.swing.GroupLayout.PREFERRED_SIZE,
                                        javax.swing.GroupLayout.DEFAULT_SIZE,
                                        javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addComponent(outputFileBrowse))));

        progressBar.setName(""); // NOI18N
        progressBar.setStringPainted(true);

        exitButton.setText("Exit");
        exitButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                exitButtonActionPerformed(evt);
            }
        });

        startButton.setText("Start");

        versionInfo.setText("Display Version");
        versionInfo.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                versionInfoActionPerformed(evt);
            }
        });

        outputLogLabel.setText("Output Log");

        outputArea.setColumns(20);
        outputArea.setRows(5);
        outputArea.setText("Version: 0.1.0 Pre Alpha");
        jScrollPane2.setViewportView(outputArea);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(layout.createSequentialGroup().addContainerGap().addComponent(exitButton)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 172, Short.MAX_VALUE)
                        .addComponent(startButton).addContainerGap())
                .addGroup(layout.createSequentialGroup().addGap(10, 10, 10)
                        .addComponent(filePanel, javax.swing.GroupLayout.DEFAULT_SIZE,
                                javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                        .addGap(10, 10, 10))
                .addGroup(layout.createSequentialGroup().addGap(10, 10, 10)
                        .addComponent(progressBar, javax.swing.GroupLayout.DEFAULT_SIZE,
                                javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                        .addGap(10, 10, 10))
                .addGroup(layout.createSequentialGroup().addContainerGap().addComponent(jScrollPane2)
                        .addContainerGap())
                .addGroup(layout.createSequentialGroup().addContainerGap().addComponent(outputLogLabel)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED,
                                javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                        .addComponent(versionInfo).addContainerGap()));
        layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(layout.createSequentialGroup().addContainerGap()
                        .addComponent(filePanel, javax.swing.GroupLayout.PREFERRED_SIZE,
                                javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                .addComponent(outputLogLabel).addComponent(versionInfo))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jScrollPane2)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.CENTER)
                                .addComponent(exitButton).addComponent(startButton))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(progressBar, javax.swing.GroupLayout.PREFERRED_SIZE,
                                javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addContainerGap()));

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void exitButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_exitButtonActionPerformed
        System.exit(0);
    }//GEN-LAST:event_exitButtonActionPerformed

    private void outputFileBrowseActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_outputFileBrowseActionPerformed
        outputFileChooser.showDialog(this, "Open this File");
        outputFile.setText(outputFileChooser.getSelectedFile().getPath());
        // Finally set outputFileLocation as text of the text bar
        outputFileLocation = new File(outputFile.getText());
    }//GEN-LAST:event_outputFileBrowseActionPerformed

    private void inputFileBrowseActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_inputFileBrowseActionPerformed
        inputFileChooser.showDialog(this, "Open this File");
        inputFile.setText(inputFileChooser.getSelectedFile().getPath());
        // Finally set inputFileLocation as text of the text bar
        inputFileLocation = new File(inputFile.getText());
        // If the file doesn't exist, show an error message
        if (!inputFileLocation.exists()) {
            // Creates a scary error message dialog box.
            JOptionPane.showMessageDialog(this, "The input file doesn't exsist." + "\nPlease choose another file",
                    "Inavlid file selected", javax.swing.JOptionPane.ERROR_MESSAGE);
        }
    }//GEN-LAST:event_inputFileBrowseActionPerformed

    private void versionInfoActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_versionInfoActionPerformed
        new DisplayVersion(outputArea).execute();
    }//GEN-LAST:event_versionInfoActionPerformed

    /**
     * This is the main method for {@code MainUI}
     *
     * @param args the command line arguments
     */
    public static void main(String args[]) {

        try {
            logFile = File.createTempFile("MediaConverter", ".txt");
        } catch (IOException ex) {
            Logger.getLogger(MainUI.class.getName()).log(Level.SEVERE, null, ex);
        }

        // Create the FFMpeg executable in %temp% on startup.
        new Thread(new FFMpegLoader()).start();

        try {
            /*
             * Set the Nimbus look and feel
             */
            for (javax.swing.UIManager.LookAndFeelInfo lafInfo : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if (lafInfo.getName().equals("Nimbus")) {
                    System.out.println(lafInfo.getName());
                    javax.swing.UIManager.setLookAndFeel(lafInfo.getClassName());
                } else {
                    //                    javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName());
                }
            }
        } catch (ClassNotFoundException | InstantiationException | IllegalAccessException
                | javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(MainUI.class.getName()).log(java.util.logging.Level.SEVERE, null,
                    ex);
        }

        /*
         * Create and display the form
         */
        // FOR JDK 8
        // java.awt.EventQueue.invokeLater(() -> {new MainUI().setVisible(true);});
        //For JDK 7
        java.awt.EventQueue.invokeLater(new Runnable() {

            @Override
            public void run() {
                new MainUI().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton exitButton;
    private javax.swing.JPanel filePanel;
    private javax.swing.JTextField inputFile;
    private javax.swing.JButton inputFileBrowse;
    private javax.swing.JFileChooser inputFileChooser;
    private javax.swing.JLabel inputFileLabel;
    private javax.swing.JScrollPane jScrollPane2;
    private javax.swing.JTextArea outputArea;
    private javax.swing.JTextField outputFile;
    private javax.swing.JButton outputFileBrowse;
    private javax.swing.JFileChooser outputFileChooser;
    private javax.swing.JLabel outputFileLabel;
    private javax.swing.JLabel outputLogLabel;
    private javax.swing.JProgressBar progressBar;
    private javax.swing.JButton startButton;
    private javax.swing.JButton versionInfo;
    // End of variables declaration//GEN-END:variables
}

class DisplayVersion extends SwingWorker<Void, String> {

    File ffmpeg;
    CommandLine cmd;
    JTextArea outputArea;

    DisplayVersion(JTextArea where) {
        this.outputArea = where;
    }

    /** Runs ffmpeg -version */
    @Override
    protected Void doInBackground() {
        ffmpeg = FFMpegLoader.getFFMpegExecutable();
        if (ffmpeg != null) {
            try {
                cmd = new CommandLine(ffmpeg);
                cmd.addArgument("-version");
                OutputStream outputStream = new ByteArrayOutputStream();
                DefaultExecutor exec = new DefaultExecutor();
                PumpStreamHandler streamHandler = new PumpStreamHandler(outputStream);
                exec.setStreamHandler(streamHandler);
                ExecuteWatchdog watchdog = new ExecuteWatchdog(10000);
                exec.setWatchdog(watchdog);
                exec.execute(cmd);
                publish(outputStream.toString());
            } catch (ExecuteException ex) {
                Logger.getLogger(DisplayVersion.class.getName()).log(Level.SEVERE, null, ex);
            } catch (IOException ex) {
                Logger.getLogger(DisplayVersion.class.getName()).log(Level.SEVERE, null, ex);
            }
        } else {
            try {
                Thread.sleep(1000);
            } catch (InterruptedException ex) {
                Logger.getLogger(DisplayVersion.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
        return null;
    }

    /** Shows output on  textArea */
    @Override
    protected void process(List<String> chunks) {
        for (String versionInfo : chunks) {
            outputArea.setText(versionInfo);
        }
    }
}