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ClassDefinition.java
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88 lines (81 loc) · 1.89 KB
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/*
* Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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package java.lang.instrument;
/*
* Copyright 2003 Wily Technology, Inc.
*/
/**
* This class serves as a parameter block to the <code>Instrumentation.redefineClasses</code> method.
* Serves to bind the <code>Class</code> that needs redefining together with the new class file bytes.
*
* @see java.lang.instrument.Instrumentation#redefineClasses
* @since 1.5
*/
public final class ClassDefinition {
/**
* The class to redefine
*/
private final Class<?> mClass;
/**
* The replacement class file bytes
*/
private final byte[] mClassFile;
/**
* Creates a new <code>ClassDefinition</code> binding using the supplied
* class and class file bytes. Does not copy the supplied buffer, just captures a reference to it.
*
* @param theClass the <code>Class</code> that needs redefining
* @param theClassFile the new class file bytes
*
* @throws java.lang.NullPointerException if the supplied class or array is <code>null</code>.
*/
public
ClassDefinition( Class<?> theClass,
byte[] theClassFile) {
if (theClass == null || theClassFile == null) {
throw new NullPointerException();
}
mClass = theClass;
mClassFile = theClassFile;
}
/**
* Returns the class.
*
* @return the <code>Class</code> object referred to.
*/
public Class<?>
getDefinitionClass() {
return mClass;
}
/**
* Returns the array of bytes that contains the new class file.
*
* @return the class file bytes.
*/
public byte[]
getDefinitionClassFile() {
return mClassFile;
}
}