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* Copyright (c) 2005-2010 Laf-Widget Kirill Grouchnikov. All Rights Reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* o Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* o Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* o Neither the name of Laf-Widget Kirill Grouchnikov nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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package org.pushingpixels.lafwidget.ant;
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import org.objectweb.asm.*;
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* Bytecode writer for a forwarding UI delegate class with a single constructor
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* that gets one parameter.
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* @author Kirill Grouchnikov
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public class UiDelegateWriterOneParamCtr extends ClassWriter implements Opcodes {
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* Creates a new bytecode writer.
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public UiDelegateWriterOneParamCtr() {
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* Creates a new class.
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* @param superClassName
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* @param paramClassDesc
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* Description of the parameter classes.
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* @return Class bytecode contents.
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public static byte[] createClass(String packageName, String className,
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String superClassName, String paramClassDesc) {
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packageName = packageName.replace('.', '/');
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superClassName = superClassName.replace('.', '/');
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UiDelegateWriterOneParamCtr cw = new UiDelegateWriterOneParamCtr();
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cw.visit(Opcodes.V1_2, Opcodes.ACC_PUBLIC + Opcodes.ACC_SUPER,
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packageName + "/" + className, null, superClassName, null);
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cw.visitSource(className + ".java", null);
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mv = cw.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC,
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"(Ljavax/swing/JComponent;)Ljavax/swing/plaf/ComponentUI;",
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mv.visitTypeInsn(Opcodes.NEW, packageName + "/" + className);
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mv.visitInsn(Opcodes.DUP);
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mv.visitVarInsn(Opcodes.ALOAD, 0);
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mv.visitTypeInsn(Opcodes.CHECKCAST, paramClassDesc.substring(1,
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paramClassDesc.length() - 1));
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mv.visitMethodInsn(Opcodes.INVOKESPECIAL,
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packageName + "/" + className, "<init>", "(" + paramClassDesc
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mv.visitInsn(Opcodes.ARETURN);
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mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "(" + paramClassDesc
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mv.visitVarInsn(Opcodes.ALOAD, 0);
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mv.visitVarInsn(Opcodes.ALOAD, 1);
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mv.visitMethodInsn(Opcodes.INVOKESPECIAL, superClassName, "<init>", "("
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+ paramClassDesc + ")V");
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mv.visitInsn(Opcodes.RETURN);
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return cw.toByteArray();