/* |
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* Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package java.lang.instrument; |
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/* |
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* Copyright 2003 Wily Technology, Inc. |
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*/ |
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/** |
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* This class serves as a parameter block to the <code>Instrumentation.redefineClasses</code> method. |
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* Serves to bind the <code>Class</code> that needs redefining together with the new class file bytes. |
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* |
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* @see java.lang.instrument.Instrumentation#redefineClasses |
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* @since 1.5 |
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*/ |
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public final class ClassDefinition { |
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/** |
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* The class to redefine |
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*/ |
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private final Class<?> mClass; |
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/** |
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* The replacement class file bytes |
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*/ |
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private final byte[] mClassFile; |
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/** |
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* Creates a new <code>ClassDefinition</code> binding using the supplied |
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* class and class file bytes. Does not copy the supplied buffer, just captures a reference to it. |
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* |
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* @param theClass the <code>Class</code> that needs redefining |
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* @param theClassFile the new class file bytes |
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* |
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* @throws java.lang.NullPointerException if the supplied class or array is <code>null</code>. |
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*/ |
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public |
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ClassDefinition( Class<?> theClass, |
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byte[] theClassFile) { |
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if (theClass == null || theClassFile == null) { |
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throw new NullPointerException(); |
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} |
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mClass = theClass; |
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mClassFile = theClassFile; |
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} |
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/** |
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* Returns the class. |
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* |
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* @return the <code>Class</code> object referred to. |
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*/ |
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public Class<?> |
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getDefinitionClass() { |
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return mClass; |
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} |
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/** |
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* Returns the array of bytes that contains the new class file. |
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* |
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* @return the class file bytes. |
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*/ |
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public byte[] |
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getDefinitionClassFile() { |
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return mClassFile; |
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} |
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} |