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rusefi
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a bit better error handling

This commit is contained in:
rusEfi 2019-08-04 01:29:11 -04:00
parent 4d508693c4
commit 5a73522e83
1 changed files with 12 additions and 2 deletions
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14
java_console/io/src/com/rusefi/io/serial/PortHolder.java
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@ -9,6 +9,10 @@ import com.opensr5.io.DataListener;
import com.rusefi.io.IoStream;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
import java.awt.*;
import java.util.Objects;
/**
* This class holds the reference to the actual Serial port object
* <p/>
@ -92,8 +96,14 @@ public class PortHolder {
* this method blocks till a connection is available
*/
public void packAndSend(final String command, boolean fireEvent) throws InterruptedException {
if (bp == null)
throw new NullPointerException("bp");
if (bp == null) {
Window[] windows = JDialog.getWindows();
Window window = windows.length == 0 ? null : windows[0];
JOptionPane.showMessageDialog(window, "No connectivity",
"Error", JOptionPane.ERROR_MESSAGE);
System.exit(-1);
}
bp.doSend(command, fireEvent);
}