/* * Copyright (c) 2006, 2007, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions.
*/
privatestaticvoid validate(JPanel panel) {
BorderLayout layout = (BorderLayout) panel.getLayout(); for (Component component : panel.getComponents()) {
String name = (String) layout.getConstraints(component); if (name == null) thrownew Error("The component is not layed out: " + component);
JLabel label = (JLabel) component; if (!name.equals(label.getText())) thrownew Error("The component is layed out on " + name + ": " + component);
}
}
publicstaticfinalclass MyPanel extends JPanel { public MyPanel() { // the bug is reproducible for containers // that uses BorderLayout as default layout manager. super(new BorderLayout(3, 3));
}
}
}
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