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);
}
private void createContext(String host, String portStr, String comm, String socketType) {
int port = SnmpContextBasisFace.DEFAULT_PORT;
try {
port = Integer.valueOf(portStr).intValue();
} catch (NumberFormatException exc) {
}
if (context != null) {
context.destroy();
// context.dumpContexts("destroy");
}
try {
context = new SnmpContextPool(host, port, socketType);
context.setCommunity(comm);
// context.dumpContexts("create:");
System.out.println(context);
} catch (java.io.IOException exc) {
exc.printStackTrace();
}
}
/**
* Gets an image resource.
*
* @param strResourceFilename Name of the image file.
* @param srcClass Class from which the location of the resource is determined.
* @return Instance of an <code>Image</code>.
*/
public static Image getImageResourceFile(String strResourceFilename, Class srcClass) {
PngImage pngImage = null;
Image image = null;
try {
BufferedInputStream in =
new BufferedInputStream(srcClass.getResourceAsStream(strResourceFilename));
if (in == null) {
System.err.println("Image not found:" + strResourceFilename);
return null;
}
if (strResourceFilename.endsWith(".png")) {
pngImage = new PngImage(in);
image = Toolkit.getDefaultToolkit().createImage(pngImage);
} else {
ByteArrayOutputStream out = new ByteArrayOutputStream();
copy(in, out);
image = Toolkit.getDefaultToolkit().createImage(out.toByteArray());
}
} catch (java.io.IOException e) {
System.err.println("Unable to read image " + strResourceFilename + ".");
e.printStackTrace();
}
return (image);
}