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POHow to make GUI Client to upload file in java
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  1. POHow to make GUI Client to upload file in java
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    copied!<p>Please help me I want to make a GUI application which upload a file from client to server. when I click on browse button then file is copy in bytes form because we travel data in bytes on network but when I click on upload button then file cannot upload.</p> <pre><code>import javax.swing.*; import java.awt.event.*; import java.io.*; import java.net.*; class ClientUpload extends JFrame implements ActionListener { JFileChooser fc; JButton b, b1; JTextField tf; FileInputStream in; Socket s; DataOutputStream dout; DataInputStream din; int i; ClientUpload() { super("client"); tf = new JTextField(); tf.setBounds(20, 50, 190, 30); add(tf); b = new JButton("Browse"); b.setBounds(250, 50, 80, 30); add(b); b.addActionListener(this); b1 = new JButton("Upload"); b1.setBounds(250, 100, 80, 30); add(b1); b1.addActionListener(this); fc = new JFileChooser(); setLayout(null); setSize(400, 300); setVisible(true); try { s = new Socket("localhost", 10); dout = new DataOutputStream(s.getOutputStream()); din = new DataInputStream(s.getInputStream()); send(); } catch (Exception e) { } } public void actionPerformed(ActionEvent e) { try { if (e.getSource() == b) { int x = fc.showOpenDialog(null); if (x == JFileChooser.APPROVE_OPTION) { copy(); } } if (e.getSource() == b1) { send(); } } catch (Exception ex) { } } public void copy() throws IOException { File f1 = fc.getSelectedFile(); tf.setText(f1.getAbsolutePath()); in = new FileInputStream(f1.getAbsolutePath()); while ((i = in.read()) != -1) { System.out.print(i); } } public void send() throws IOException { dout.write(i); dout.flush(); } public static void main(String... d) { new ClientUpload(); } } </code></pre>
 

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