NameSender2public class NameSender2 extends Applet
| Fields Summary |
|---|
| final String | CGIProgram | | Button | send | | TextField | name | | TextField | email | | String | str | | Label | l | | Label | l2 | | int | vcount |
| Methods Summary |
|---|
| public boolean | action(java.awt.Event evt, java.lang.Object arg)
if(evt.target.equals(send)) {
l2.setText("");
// Check for errors in data:
if(name.getText().trim()
.indexOf(' ") == -1) {
l.setText(
"Please give first and last name");
l2.setText("");
return true;
}
str = email.getText().trim();
if(str.indexOf(' ") != -1) {
l.setText(
"Spaces not allowed in email name");
l2.setText("");
return true;
}
if(str.indexOf(',") != -1) {
l.setText(
"Commas not allowed in email name");
return true;
}
if(str.indexOf('@") == -1) {
l.setText("Email name must include '@'");
l2.setText("");
return true;
}
if(str.indexOf('@") == 0) {
l.setText(
"Name must preceed '@' in email name");
l2.setText("");
return true;
}
String end =
str.substring(str.indexOf('@"));
if(end.indexOf('.") == -1) {
l.setText("Portion after '@' must " +
"have an extension, such as '.com'");
l2.setText("");
return true;
}
// Build and encode the email data:
String emailData =
"name=" + URLEncoder.encode(
name.getText().trim()) +
"&email=" + URLEncoder.encode(
email.getText().trim().toLowerCase()) +
"&submit=Submit";
// Send the name using CGI's GET process:
try {
l.setText("Sending...");
URL u = new URL(
getDocumentBase(), "cgi-bin/" +
CGIProgram + "?" + emailData);
l.setText("Sent: " + email.getText());
send.setLabel("Re-send");
l2.setText(
"Waiting for reply " + ++vcount);
DataInputStream server =
new DataInputStream(u.openStream());
String line;
while((line = server.readLine()) != null)
l2.setText(line);
} catch(MalformedURLException e) {
l.setText("Bad URl");
} catch(IOException e) {
l.setText("IO Exception");
}
}
else return super.action(evt, arg);
return true;
| | public void | init()
setLayout(new BorderLayout());
Panel p = new Panel();
p.setLayout(new GridLayout(3, 1));
p.add(name);
p.add(email);
p.add(send);
add("North", p);
Panel labels = new Panel();
labels.setLayout(new GridLayout(2, 1));
labels.add(l);
labels.add(l2);
add("Center", labels);
l.setText("Ready to send email address");
|
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