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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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/********************************************************************
 * Copyright (c) 2005 Contributors. All rights reserved.
 * This program and the accompanying materials are made available
 * under the terms of the Eclipse Public License v 2.0
 * which accompanies this distribution and is available at
 * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.txt
 *
 * Contributors:
 *       Helen Hawkins - Initial implementation
 *******************************************************************/
package org.aspectj.weaver;

import java.io.DataInputStream;
import java.io.IOException;

import org.aspectj.util.TypeSafeEnum;

/**
 * A TypeSafeEnum similar to the Java5 ElementType Enum
 */
public class AnnotationTargetKind extends TypeSafeEnum {

	public AnnotationTargetKind(String name, int key) {
		super(name, key);
	}

	public static AnnotationTargetKind read(DataInputStream s) throws IOException {
		int key = s.readByte();
		switch (key) {
		case 1:
			return ANNOTATION_TYPE;
		case 2:
			return CONSTRUCTOR;
		case 3:
			return FIELD;
		case 4:
			return LOCAL_VARIABLE;
		case 5:
			return METHOD;
		case 6:
			return PACKAGE;
		case 7:
			return PARAMETER;
		case 8:
			return TYPE;
		}
		throw new BCException("weird annotation target kind " + key);
	}

	public static final AnnotationTargetKind ANNOTATION_TYPE = new AnnotationTargetKind("ANNOTATION_TYPE", 1);
	public static final AnnotationTargetKind CONSTRUCTOR = new AnnotationTargetKind("CONSTRUCTOR", 2);
	public static final AnnotationTargetKind FIELD = new AnnotationTargetKind("FIELD", 3);
	public static final AnnotationTargetKind LOCAL_VARIABLE = new AnnotationTargetKind("LOCAL_VARIABLE", 4);
	public static final AnnotationTargetKind METHOD = new AnnotationTargetKind("METHOD", 5);
	public static final AnnotationTargetKind PACKAGE = new AnnotationTargetKind("PACKAGE", 6);
	public static final AnnotationTargetKind PARAMETER = new AnnotationTargetKind("PARAMETER", 7);
	public static final AnnotationTargetKind TYPE = new AnnotationTargetKind("TYPE", 8);

}