MailComposeBeanpublic class MailComposeBean extends JPanel | MailComposeBean - Mail gather and send Component Bean.
Can be used as a Visible bean or as a Non-Visible bean.
If setVisible(true), puts up a mail compose window with a Send button.
If user clicks on it, tries to send the mail to a Mail Server
for delivery on the Internet.
If not visible, use addXXX(), setXXX(), and doSend() methods. |
| Fields Summary |
|---|
| private Container | parentThe parent frame to be hidden/disposed; may be JFrame, JInternalFrame
or JPanel, as necessary | | private JButton | sendButton | | private JButton | cancelButton | | private JTextArea | msgText | | private JTextField[] | tfs | | private JTextField | toTF | | private JTextField | ccTF | | private JTextField | subjectTF | | private int | tfsMax | | private final int | TO | | private final int | SUBJ | | private final int | CC | | private final int | BCC | | private final int | MAXTF | | private Session | sessionThe JavaMail session object | | private Message | mesgThe JavaMail message object | | private int | mywidth | | private int | myheight |
| Constructors Summary |
|---|
MailComposeBean(Container parent, String title, int height, int width)Construct a MailComposeBean with no default recipient
this(parent, title, null, height, width);
| MailComposeBean()Construct a MailComposeBean with no arguments (needed for Beans)
this(null, "Compose", null, 300, 200);
| MailComposeBean(Container parent, String title, String recipient, int width, int height)Constructor for MailComposeBean object.
super();
this.parent = parent;
mywidth = width;
myheight = height;
// THE GUI
Container cp = this;
cp.setLayout(new BorderLayout());
// Top is a JPanel for name, address, etc.
// Centre is the TextArea.
// Bottom is a panel with Send and Cancel buttons.
JPanel tp = new JPanel();
tp.setLayout(new GridLayout(3,2));
cp.add(BorderLayout.NORTH, tp);
tfs = new JTextField[MAXTF];
tp.add(new JLabel("To: ", JLabel.RIGHT));
tp.add(tfs[TO] = toTF = new JTextField(35));
if (recipient != null)
toTF.setText(recipient);
toTF.requestFocus();
tp.add(new JLabel("Subject: ", JLabel.RIGHT));
tp.add(tfs[SUBJ] = subjectTF = new JTextField(35));
subjectTF.requestFocus();
tp.add(new JLabel("Cc: ", JLabel.RIGHT));
tp.add(tfs[CC] = ccTF = new JTextField(35));
// Centre is the TextArea
cp.add(BorderLayout.CENTER, msgText = new JTextArea(70, 10));
msgText.setBorder(BorderFactory.createTitledBorder("Message Text"));
// Bottom is the apply/cancel button
JPanel bp = new JPanel();
bp.setLayout(new FlowLayout());
bp.add(sendButton = new JButton("Send"));
sendButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
try {
doSend();
} catch(Exception err) {
System.err.println("Error: " + err);
JOptionPane.showMessageDialog(null,
"Sending error:\n" + err.toString(),
"Send failed", JOptionPane.ERROR_MESSAGE);
}
}
});
bp.add(cancelButton = new JButton("Cancel"));
cancelButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
maybeKillParent();
}
});
cp.add(BorderLayout.SOUTH, bp);
|
| Methods Summary |
|---|
| public void | doSend()Do the work: send the mail to the SMTP server.
ASSERT: must have set at least one recipient.
try {
Mailer m = new Mailer();
FileProperties props =
new FileProperties(MailConstants.PROPS_FILE_NAME);
String serverHost = props.getProperty(MailConstants.SEND_HOST);
if (serverHost == null) {
JOptionPane.showMessageDialog(parent,
"\"" + MailConstants.SEND_HOST +
"\" must be set in properties",
"No server!",
JOptionPane.ERROR_MESSAGE);
return;
}
m.setServer(serverHost);
String tmp = props.getProperty(MailConstants.SEND_DEBUG);
m.setVerbose(tmp != null && tmp.equals("true"));
String myAddress = props.getProperty("Mail.address");
if (myAddress == null) {
JOptionPane.showMessageDialog(parent,
"\"Mail.address\" must be set in properties",
"No From: address!",
JOptionPane.ERROR_MESSAGE);
return;
}
m.setFrom(myAddress);
m.setToList(toTF.getText());
m.setCcList(ccTF.getText());
// m.setBccList(bccTF.getText());
if (subjectTF.getText().length() != 0) {
m.setSubject(subjectTF.getText());
}
// Now copy the text from the Compose TextArea.
m.setBody(msgText.getText());
// XXX I18N: use setBody(msgText.getText(), charset)
// Finally, send the sucker!
m.doSend();
// Now hide the main window
maybeKillParent();
} catch (MessagingException me) {
me.printStackTrace();
while ((me = (MessagingException)me.getNextException()) != null) {
me.printStackTrace();
}
JOptionPane.showMessageDialog(null,
"Mail Sending Error:\n" + me.toString(),
"Error", JOptionPane.ERROR_MESSAGE);
} catch (Exception e) {
JOptionPane.showMessageDialog(null,
"Mail Sending Error:\n" + e.toString(),
"Error", JOptionPane.ERROR_MESSAGE);
}
| | public java.awt.Dimension | getMinimumSize()
return getPreferredSize();
| | public java.awt.Dimension | getPreferredSize()
return new Dimension(mywidth, myheight);
| | public static void | main(java.lang.String[] av)Simple test case driver
final JFrame jf = new JFrame("DarwinSys Compose Mail Tester");
System.getProperties().setProperty("Mail.server", "mailhost");
System.getProperties().setProperty("Mail.address", "nobody@home");
MailComposeBean sm =
new MailComposeBean(jf,
"Test Mailer", "spam-magnet@darwinsys.com", 500, 400);
sm.setSize(500, 400);
jf.getContentPane().add(sm);
jf.setLocation(100, 100);
jf.setVisible(true);
jf.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
jf.setVisible(false);
jf.dispose();
System.exit(0);
}
});
jf.pack();
| | private void | maybeKillParent()
if (parent == null)
return;
if (parent instanceof Frame) {
((Frame)parent).setVisible(true);
((Frame)parent).dispose();
}
if (parent instanceof JInternalFrame) {
((JInternalFrame)parent).setVisible(true);
((JInternalFrame)parent).dispose();
}
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