Postpublic class Post extends JPanel implements ActionListener
| Fields Summary |
|---|
| JTextField | nameField | | JTextField | passwordField | | String | postURL | | GridBagConstraints | constraints |
| Constructors Summary |
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public Post(String postURL)
this.postURL = postURL;
JButton postButton = new JButton("Post");
postButton.addActionListener( this );
setLayout( new GridBagLayout( ) );
addGB( new JLabel("Name:"), 0,0 );
addGB( nameField = new JTextField(20), 1,0 );
addGB( new JLabel("Password:"), 0,1 );
addGB( passwordField = new JPasswordField(20),1,1 );
constraints.gridwidth = 2;
addGB( postButton, 0,2 );
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| Methods Summary |
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| public void | actionPerformed(java.awt.event.ActionEvent e)
postData( );
| | void | addGB(java.awt.Component component, int x, int y)
constraints.gridx = x; constraints.gridy = y;
add ( component, constraints );
| | public static void | main(java.lang.String[] args)
JFrame frame = new JFrame("SimplePost");
frame.getContentPane( ).add( new Post( args[0] ), "Center" );
frame.pack( );
frame.setVisible(true);
| | protected void | postData()
StringBuffer sb = new StringBuffer( );
sb.append( URLEncoder.encode("Name") + "=" );
sb.append( URLEncoder.encode(nameField.getText( )) );
sb.append( "&" + URLEncoder.encode("Password") + "=" );
sb.append( URLEncoder.encode(passwordField.getText( )) );
String formData = sb.toString( );
try {
URL url = new URL( postURL );
HttpURLConnection urlcon =
(HttpURLConnection) url.openConnection( );
urlcon.setRequestMethod("POST");
urlcon.setRequestProperty("Content-type",
"application/x-www-form-urlencoded");
urlcon.setDoOutput(true);
urlcon.setDoInput(true);
PrintWriter pout = new PrintWriter( new OutputStreamWriter(
urlcon.getOutputStream( ), "8859_1"), true );
pout.print( formData );
pout.flush( );
// read results...
if ( urlcon.getResponseCode( ) != HttpURLConnection.HTTP_OK )
System.out.println("Posted ok!");
else {
System.out.println("Bad post...");
return;
}
//InputStream in = urlcon.getInputStream( );
// ...
} catch (MalformedURLException e) {
System.out.println(e); // bad postURL
} catch (IOException e2) {
System.out.println(e2); // I/O error
}
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