/*******************************************************************************
* Copyright (c) 2000, 2006 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.aspectj.org.eclipse.jdt.internal.core.util;
import org.aspectj.org.eclipse.jdt.core.util.ClassFormatException;
import org.aspectj.org.eclipse.jdt.core.util.IClassFileAttribute;
import org.aspectj.org.eclipse.jdt.core.util.IConstantPool;
import org.aspectj.org.eclipse.jdt.core.util.IConstantPoolConstant;
import org.aspectj.org.eclipse.jdt.core.util.IConstantPoolEntry;
/**
* Default implementation of IClassFileAttribute
*/
public class ClassFileAttribute extends ClassFileStruct implements IClassFileAttribute {
public static final IClassFileAttribute[] NO_ATTRIBUTES = new IClassFileAttribute[0];
private long attributeLength;
private int attributeNameIndex;
private char[] attributeName;
public ClassFileAttribute(byte[] classFileBytes, IConstantPool constantPool, int offset) throws ClassFormatException {
this.attributeNameIndex = u2At(classFileBytes, 0, offset);
this.attributeLength = u4At(classFileBytes, 2, offset);
IConstantPoolEntry constantPoolEntry = constantPool.decodeEntry(this.attributeNameIndex);
if (constantPoolEntry.getKind() != IConstantPoolConstant.CONSTANT_Utf8) {
throw new ClassFormatException(ClassFormatException.INVALID_CONSTANT_POOL_ENTRY);
}
this.attributeName = constantPoolEntry.getUtf8Value();
}
public int getAttributeNameIndex() {
return this.attributeNameIndex;
}
/**
* @see IClassFileAttribute#getAttributeName()
*/
public char[] getAttributeName() {
return this.attributeName;
}
/**
* @see IClassFileAttribute#getAttributeLength()
*/
public long getAttributeLength() {
return this.attributeLength;
}
}