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NewDownloadEntry.java
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package downloader;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Toolkit;
import java.awt.datatransfer.Clipboard;
import java.awt.datatransfer.DataFlavor;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.UnknownHostException;
import javax.swing.JFileChooser;
import javax.swing.JOptionPane;
/**
*
* @author Ashish Gupta
*/
public class NewDownloadEntry extends javax.swing.JFrame {
private String In, Out;
Graphics g;
URL url;
HttpURLConnection connection;
public NewDownloadEntry() {
initComponents();
setVisible(true);
setTitle("Add a new address");
startDownloadButton.addActionListener(new startDownloadButtonHandler());
BrowseButton.addActionListener(new Browser());
startDownloadButton.setToolTipText("Click to begin Download");
PasteButton.addActionListener(new ActionListener(){
@Override
public void actionPerformed(ActionEvent e) {
Toolkit toolkit=Toolkit.getDefaultToolkit();
Clipboard clipboard=toolkit.getSystemClipboard();
try {String data=(String)clipboard.getData(DataFlavor.stringFlavor);
URLBox.setText(data);
} catch(Exception E){
System.out.println("Some error occurred");
}
}
});
}
public void passThrough(){
Downloading d=new Downloading(URLBox.getText(),Out);
setVisible(false);
}
/* Issues */
private String modifyURL(String A){
if("http://".equals(A.substring(0, 6)))
A="http://"+A;
return A;
}
private class Browser implements ActionListener {
@Override
public void actionPerformed(ActionEvent e) {
In=URLBox.getText();
if(In=="") return;
In=In.substring(In.lastIndexOf("/")+1,In.length());
URLBox.setText(modifyURL(URLBox.getText()));
int retval=FileChooser.showOpenDialog(NewDownloadEntry.this);
//FileChooser.setVisible(true);
if(retval==JFileChooser.APPROVE_OPTION)
Out=FileChooser.getSelectedFile().getPath();
Out=Out+'\\'+ In;
destinationBox.setText(Out);
}
}
private class startDownloadButtonHandler implements ActionListener {
@Override
public void actionPerformed(ActionEvent e) {
In=URLBox.getText();
statusDetails.setForeground(Color.GREEN);
statusDetails.setText("Connecting");
if(In.isEmpty()){
JOptionPane.showMessageDialog(NewDownloadEntry.this,"Error 101: Empty URL" , "Invalid URL", JOptionPane.ERROR_MESSAGE);
statusDetails.setText("Invalid URL");
statusDetails.setForeground(Color.RED);
} else {
try{
URLBox.setText(modifyURL(URLBox.getText()));
url=new URL(URLBox.getText());
connection=(HttpURLConnection) url.openConnection();
if(connection.getInputStream().read()>0){
connection.disconnect();
passThrough();
}
} catch (UnknownHostException E){
JOptionPane.showMessageDialog(NewDownloadEntry.this,"Error 102: Connection Failed. Please make sure you are connected to a network" , "Connection Failed", JOptionPane.ERROR_MESSAGE);
statusDetails.setText("Unable to Connect");
statusDetails.setForeground(Color.RED);
System.out.println("Exception thrown");
E.printStackTrace();
} catch (Exception E){
JOptionPane.showMessageDialog(NewDownloadEntry.this,"Error 103: Error while parsing URL" , "Invalid URL", JOptionPane.ERROR_MESSAGE);
statusDetails.setForeground(Color.RED);
E.printStackTrace();
statusDetails.setText("Error while parsing URL");
}
}
}
}
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
private void initComponents() {
FileChooser = new javax.swing.JFileChooser();
jLabel1 = new javax.swing.JLabel();
URLBox = new javax.swing.JTextField();
startDownloadButton = new javax.swing.JButton();
jLabel2 = new javax.swing.JLabel();
statusDetails = new javax.swing.JLabel();
jLabel3 = new javax.swing.JLabel();
destinationBox = new javax.swing.JTextField();
BrowseButton = new javax.swing.JButton();
PasteButton = new javax.swing.JButton();
FileChooser.setDialogTitle("Select File");
FileChooser.setFileSelectionMode(javax.swing.JFileChooser.DIRECTORIES_ONLY);
setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
setResizable(false);
setType(java.awt.Window.Type.UTILITY);
jLabel1.setText("Enter URL:");
URLBox.setToolTipText("Enter new Download URL here");
startDownloadButton.setText("Start Download");
startDownloadButton.setToolTipText("");
jLabel2.setFont(new java.awt.Font("sansserif", 0, 18)); // NOI18N
jLabel2.setText("Add a new Download");
statusDetails.setText("Please enter URL");
jLabel3.setText("Destination:");
BrowseButton.setText("Browse..");
PasteButton.setIcon(new javax.swing.ImageIcon(getClass().getResource("/icons/pasteicon.jpg"))); // NOI18N
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(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(layout.createSequentialGroup()
.addGap(0, 0, Short.MAX_VALUE)
.addComponent(jLabel1))
.addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
.addComponent(jLabel3)
.addGap(0, 0, Short.MAX_VALUE)))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(URLBox, javax.swing.GroupLayout.PREFERRED_SIZE, 460, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(PasteButton, javax.swing.GroupLayout.PREFERRED_SIZE, 28, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addGap(6, 6, 6)
.addComponent(destinationBox, javax.swing.GroupLayout.PREFERRED_SIZE, 410, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(BrowseButton, javax.swing.GroupLayout.PREFERRED_SIZE, 89, javax.swing.GroupLayout.PREFERRED_SIZE))))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(statusDetails)
.addGap(114, 114, 114)
.addComponent(startDownloadButton, javax.swing.GroupLayout.PREFERRED_SIZE, 165, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap())
.addGroup(layout.createSequentialGroup()
.addGap(184, 184, 184)
.addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 189, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(7, 7, 7)
.addComponent(jLabel2)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(URLBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel1))
.addComponent(PasteButton, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(destinationBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(BrowseButton)
.addComponent(jLabel3))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(startDownloadButton)
.addComponent(statusDetails))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
pack();
}// </editor-fold>//GEN-END:initComponents
/**
* @param args the command line arguments
*/
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JButton BrowseButton;
private javax.swing.JFileChooser FileChooser;
private javax.swing.JButton PasteButton;
private javax.swing.JTextField URLBox;
private javax.swing.JTextField destinationBox;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JLabel jLabel3;
private javax.swing.JButton startDownloadButton;
private javax.swing.JLabel statusDetails;
// End of variables declaration//GEN-END:variables
}