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.IInnerClassesAttribute;
import org.eclipse.jdt.core.util.IInnerClassesAttributeEntry;

Default implementation of IInnerClassesAttribute.
/**
 * Default implementation of IInnerClassesAttribute.
 */
public class InnerClassesAttribute extends ClassFileAttribute implements IInnerClassesAttribute {
	private static final IInnerClassesAttributeEntry[] NO_ENTRIES = new IInnerClassesAttributeEntry[0];

	private int numberOfClasses;
	private IInnerClassesAttributeEntry[] entries;
	
Constructor for InnerClassesAttribute.
Params:
classFileBytes – 
constantPool – 
offset – 
Throws:
ClassFormatException – /**
	 * Constructor for InnerClassesAttribute.
	 * @param classFileBytes
	 * @param constantPool
	 * @param offset
	 * @throws ClassFormatException
	 */
	public InnerClassesAttribute(
		byte[] classFileBytes,
		IConstantPool constantPool,
		int offset)
		throws ClassFormatException {
		super(classFileBytes, constantPool, offset);
		this.numberOfClasses = u2At(classFileBytes, 6, offset);
		final int length = this.numberOfClasses;
		if (length != 0) {
			int readOffset = 8;
			this.entries = new IInnerClassesAttributeEntry[length];
			for (int i = 0; i < length; i++) {
				this.entries[i] = new InnerClassesAttributeEntry(classFileBytes, constantPool, offset + readOffset);
				readOffset += 8;
			}
		} else {
			this.entries = NO_ENTRIES;
		}
	}

	
See Also:
getInnerClassAttributesEntries.getInnerClassAttributesEntries()/**
	 * @see IInnerClassesAttribute#getInnerClassAttributesEntries()
	 */
	@Override
	public IInnerClassesAttributeEntry[] getInnerClassAttributesEntries() {
		return this.entries;
	}

	
See Also:
getNumberOfClasses.getNumberOfClasses()/**
	 * @see IInnerClassesAttribute#getNumberOfClasses()
	 */
	@Override
	public int getNumberOfClasses() {
		return this.numberOfClasses;
	}

}