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58 lines
1.1 KiB
58 lines
1.1 KiB
/*
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* Copyright (c) 2000, 2004, Oracle and/or its affiliates. All rights reserved.
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*/
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package java.awt;
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/**
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* Thrown when code that is dependent on a keyboard, display, or mouse
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* is called in an environment that does not support a keyboard, display,
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* or mouse.
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*
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* @since 1.4
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* @author Michael Martak
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*/
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public class HeadlessException extends UnsupportedOperationException {
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/*
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* JDK 1.4 serialVersionUID
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*/
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private static final long serialVersionUID = 167183644944358563L;
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public HeadlessException() {}
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public HeadlessException(String msg) {
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super(msg);
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}
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public String getMessage() {
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String superMessage = super.getMessage();
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String headlessMessage = GraphicsEnvironment.getHeadlessMessage();
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if (superMessage == null) {
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return headlessMessage;
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} else if (headlessMessage == null) {
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return superMessage;
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} else {
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return superMessage + headlessMessage;
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}
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}
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}
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