java.awt: public class: HeadlessException

java.awt
public class: HeadlessException [javadoc | source]

java.lang.Object
   java.lang.Throwable
      java.lang.Exception
         java.lang.RuntimeException
            java.lang.UnsupportedOperationException
               java.awt.HeadlessException

All Implemented Interfaces:
Serializable

Thrown when code that is dependent on a keyboard, display, or mouse is called in an environment that does not support a keyboard, display, or mouse.

since: 1.4 -

author: Michael - Martak

Fields inherited from java.lang.UnsupportedOperationException:
serialVersionUID

Fields inherited from java.lang.RuntimeException:
serialVersionUID

Fields inherited from java.lang.Exception:
serialVersionUID

Constructor:
public HeadlessException() { }
public HeadlessException(String msg) { super(msg); }

Method from java.awt.HeadlessException Summary:
getMessage

Methods from java.lang.Throwable:
fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

Methods from java.lang.Object:
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method from java.awt.HeadlessException Detail:
public String getMessage() { String superMessage = super.getMessage(); String headlessMessage = GraphicsEnvironment.getHeadlessMessage(); if (superMessage == null) { return headlessMessage; } else if (headlessMessage == null) { return superMessage; } else { return superMessage + headlessMessage; } }

Method from java.awt.HeadlessException Detail:

 public String getMessage() {
        String superMessage = super.getMessage();
        String headlessMessage = GraphicsEnvironment.getHeadlessMessage();
        if (superMessage == null) {
            return headlessMessage;
        } else if (headlessMessage == null) {
            return superMessage;
        } else {
            return superMessage + headlessMessage;
        }
}