예제 #1
0
    @Override
    public Component getListCellRendererComponent(
        JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {

      // ### We should indicate the current thread independently of the
      // ### selection, e.g., with an icon, because the user may change
      // ### the selection graphically without affecting the current
      // ### thread.

      super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
      if (value == null) {
        this.setText("<unavailable>");
      } else {
        StackFrame frame = (StackFrame) value;
        Location loc = frame.location();
        Method meth = loc.method();
        String methName = meth.declaringType().name() + '.' + meth.name();
        String position = "";
        if (meth.isNative()) {
          position = " (native method)";
        } else if (loc.lineNumber() != -1) {
          position = ":" + loc.lineNumber();
        } else {
          long pc = loc.codeIndex();
          if (pc != -1) {
            position = ", pc = " + pc;
          }
        }
        // Indices are presented to the user starting from 1, not 0.
        this.setText("[" + (index + 1) + "] " + methName + position);
      }
      return this;
    }
 private static void renderTrace(List<StackFrame> frames, StringBuilder buffer) {
   for (final StackFrame stackFrame : frames) {
     final Location location = stackFrame.location();
     buffer.append("\n\t  ").append(ThreadDumpAction.renderLocation(location));
   }
 }