Copyright (c) 2000, 2009 IBM Corporation and others.
This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
which accompanies this distribution, and is available at
https://www.eclipse.org/legal/epl-2.0/
SPDX-License-Identifier: EPL-2.0
Contributors:
    IBM Corporation - initial API and implementation
/*******************************************************************************
 * Copyright (c) 2000, 2009 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.internal.core.util;

import org.eclipse.jdt.core.util.ClassFormatException;
import org.eclipse.jdt.core.util.IConstantPool;
import org.eclipse.jdt.core.util.IConstantPoolConstant;
import org.eclipse.jdt.core.util.IConstantPoolEntry;
import org.eclipse.jdt.core.util.ISourceAttribute;

Default implementation of ISourceAttribute
/**
 * Default implementation of ISourceAttribute
 */
public class SourceFileAttribute
	extends ClassFileAttribute
	implements ISourceAttribute {

	private int sourceFileIndex;
	private char[] sourceFileName;

	
Constructor for SourceFileAttribute.
Params:
classFileBytes – 
constantPool – 
offset – 
Throws:
ClassFormatException – /**
	 * Constructor for SourceFileAttribute.
	 * @param classFileBytes
	 * @param constantPool
	 * @param offset
	 * @throws ClassFormatException
	 */
	public SourceFileAttribute(
		byte[] classFileBytes,
		IConstantPool constantPool,
		int offset)
		throws ClassFormatException {
		super(classFileBytes, constantPool, offset);
		this.sourceFileIndex = u2At(classFileBytes, 6, offset);
		IConstantPoolEntry constantPoolEntry = constantPool.decodeEntry(this.sourceFileIndex);
		if (constantPoolEntry.getKind() != IConstantPoolConstant.CONSTANT_Utf8) {
			throw new ClassFormatException(ClassFormatException.INVALID_CONSTANT_POOL_ENTRY);
		}
		this.sourceFileName = constantPoolEntry.getUtf8Value();
	}
	
See Also:
getSourceFileIndex.getSourceFileIndex()/**
	 * @see ISourceAttribute#getSourceFileIndex()
	 */
	@Override
	public int getSourceFileIndex() {
		return this.sourceFileIndex;
	}

	
See Also:
getSourceFileName.getSourceFileName()/**
	 * @see ISourceAttribute#getSourceFileName()
	 */
	@Override
	public char[] getSourceFileName() {
		return this.sourceFileName;
	}

}