private void sendRequest(BlockPdu pdu) {
setButton.setEnabled(false);
getButton.setEnabled(false);
getNextButton.setEnabled(false);
lmessage.setText("Sending request ..");
lmessage.setBackground(Color.white);
try {
varbind var = pdu.getResponseVariableBinding();
AsnObjectId oid = var.getOid();
AsnObject res = var.getValue();
if (res != null) {
toid.setText(oid.toString());
tvalue.setText(res.toString());
lmessage.setText("Received aswer ");
lmessage.setBackground(Color.white);
} else {
lmessage.setText("Received no aswer ");
lmessage.setBackground(Color.red);
}
} catch (PduException exc) {
lmessage.setText("PduException: " + exc.getMessage());
lmessage.setBackground(Color.red);
exc.printStackTrace();
} catch (java.io.IOException exc) {
lmessage.setText("IOException: " + exc.getMessage());
lmessage.setBackground(Color.red);
exc.printStackTrace();
}
setButton.setEnabled(true);
getButton.setEnabled(true);
getNextButton.setEnabled(true);
}
public void actionPerformed(ActionEvent evt) {
Object src = evt.getSource();
try {
if (src == propDialog) {
propDialog_actionPerformed(evt);
} else {
pdu = new BlockPdu(context);
if (src == setButton) {
pdu.setPduType(BlockPdu.SET);
pdu.addOid(toid.getText(), new AsnOctets(tvalue.getText()));
} else if (src == getButton) {
pdu.setPduType(BlockPdu.GET);
pdu.addOid(toid.getText());
} else if (src == getNextButton) {
pdu.setPduType(BlockPdu.GETNEXT);
pdu.addOid(toid.getText());
}
sendRequest(pdu);
}
} catch (Exception exc) {
exc.printStackTrace();
lmessage.setText("Exception: " + exc.getMessage());
lmessage.setBackground(Color.red);
}
}
void propDialog_actionPerformed(ActionEvent evt) {
String cmd = evt.getActionCommand();
if (cmd.equals("Cancel") == false) {
createContext(
propDialog.getHost(),
propDialog.getPort(),
propDialog.getCommunityName(),
propDialog.getSocketType());
sendGetRequest(toid.getText());
} else {
// System.exit(0);
}
}
public void init() {
try {
createPropertyDialog();
jbInit();
propDialog.setVisible(true);
propDialog.toFront();
createContext(
propDialog.getHost(),
propDialog.getPort(),
propDialog.getCommunityName(),
propDialog.getSocketType());
sendGetRequest(toid.getText());
} catch (Exception exc) {
exc.printStackTrace();
lmessage.setText("Exception: " + exc.getMessage());
lmessage.setBackground(Color.red);
}
}