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AspectJ tools most notably contains the AspectJ compiler (AJC). AJC applies aspects to Java classes during compilation, fully replacing Javac for plain Java classes and also compiling native AspectJ or annotation-based @AspectJ syntax. Furthermore, AJC can weave aspects into existing class files in a post-compile binary weaving step. This library is a superset of AspectJ weaver and hence also of AspectJ runtime.

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package org.aspectj.apache.bcel.generic;

/* ====================================================================
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2001 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (https://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Apache" and "Apache Software Foundation" and
 *    "Apache BCEL" must not be used to endorse or promote products
 *    derived from this software without prior written permission. For
 *    written permission, please contact [email protected].
 *
 * 5. Products derived from this software may not be called "Apache",
 *    "Apache BCEL", nor may "Apache" appear in their name, without
 *    prior written permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * .
 */

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import org.aspectj.apache.bcel.classfile.Attribute;
import org.aspectj.apache.bcel.classfile.ConstantPool;
import org.aspectj.apache.bcel.classfile.Modifiers;
import org.aspectj.apache.bcel.classfile.Utility;
import org.aspectj.apache.bcel.classfile.annotation.AnnotationGen;
import org.aspectj.apache.bcel.classfile.annotation.RuntimeAnnos;

/**
 * Super class for FieldGen and MethodGen objects, since they have some methods in common!
 *
 * @version $Id: FieldGenOrMethodGen.java,v 1.8 2009/09/15 19:40:14 aclement Exp $
 * @author M. Dahm
 */
public abstract class FieldGenOrMethodGen extends Modifiers {

	protected String name;
	protected Type type;
	protected ConstantPool cp;
	private List attributeList = new ArrayList<>();
	protected List annotationList = new ArrayList<>();

	protected FieldGenOrMethodGen() {
	}

	public void setType(Type type) {
		this.type = type;
	}

	public Type getType() {
		return type;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public ConstantPool getConstantPool() {
		return cp;
	}

	public void setConstantPool(ConstantPool cp) {
		this.cp = cp;
	}

	public void addAttribute(Attribute a) {
		attributeList.add(a);
	}

	public void removeAttribute(Attribute a) {
		attributeList.remove(a);
	}

	public void removeAttributes() {
		attributeList.clear();
	}

	public List getAnnotations() {
		return annotationList;
	}

	public void addAnnotation(AnnotationGen ag) {
		annotationList.add(ag);
	}

	public void removeAnnotation(AnnotationGen ag) {
		annotationList.remove(ag);
	}

	public void removeAnnotations() {
		annotationList.clear();
	}

	public List getAttributes() {
		return attributeList;
	}

	public Attribute[] getAttributesImmutable() {
		Attribute[] attributes = new Attribute[attributeList.size()];
		attributeList.toArray(attributes);
		return attributes;
	}

	protected void addAnnotationsAsAttribute(ConstantPool cp) {
		Collection attrs = Utility.getAnnotationAttributes(cp, annotationList);
		if (attrs != null) {
			for (Attribute attr : attrs) {
				addAttribute(attr);
			}
		}
	}

	public abstract String getSignature();

}