Copyright (c) 2004, 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) 2004, 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.IAnnotation;
import org.eclipse.jdt.core.util.IConstantPool;
import org.eclipse.jdt.core.util.IParameterAnnotation;

Default implementation of IParameterAnnotation
/**
 * Default implementation of IParameterAnnotation
 */
public class ParameterAnnotation extends ClassFileStruct implements IParameterAnnotation {

	private static final IAnnotation[] NO_ENTRIES = new IAnnotation[0];

	private int annotationsNumber;
	private IAnnotation[] annotations;
	private int readOffset;

	
Constructor for Annotation.
Params:
classFileBytes – 
constantPool – 
offset – 
Throws:
ClassFormatException – /**
	 * Constructor for Annotation.
	 *
	 * @param classFileBytes
	 * @param constantPool
	 * @param offset
	 * @throws ClassFormatException
	 */
	public ParameterAnnotation(
			byte[] classFileBytes,
			IConstantPool constantPool,
			int offset) throws ClassFormatException {

		final int length = u2At(classFileBytes, 0, offset);
		this.readOffset = 2;
		this.annotationsNumber = length;
		if (length != 0) {
			this.annotations = new IAnnotation[length];
			for (int i = 0; i < length; i++) {
				Annotation annotation = new Annotation(classFileBytes, constantPool, offset + this.readOffset);
				this.annotations[i] = annotation;
				this.readOffset += annotation.sizeInBytes();
			}
		} else {
			this.annotations = NO_ENTRIES;
		}
	}

	int sizeInBytes() {
		return this.readOffset;
	}

	@Override
	public IAnnotation[] getAnnotations() {
		return this.annotations;
	}

	@Override
	public int getAnnotationsNumber() {
		return this.annotationsNumber;
	}
}