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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) 2010 SpringSource, 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
 * ******************************************************************/
package org.aspectj.weaver;

import java.io.IOException;
import java.util.List;

import org.aspectj.bridge.ISourceLocation;

/**
 * Weaver representation of an intertype declared member class. The munger captures the name of the type being declared and the
 * target.
 *
 * @author Andy Clement
 * @since 1.6.9
 */
public class NewMemberClassTypeMunger extends ResolvedTypeMunger {

	private UnresolvedType targetType;
	private String memberTypeName; // short (last part of) name
	private int version = 1; // 1.6.9m2

	public NewMemberClassTypeMunger(UnresolvedType targetType, String memberTypeName) {
		super(ResolvedTypeMunger.InnerClass, null);
		this.targetType = targetType;
		this.memberTypeName = memberTypeName;
	}

	@Override
	public void write(CompressingDataOutputStream stream) throws IOException {
		kind.write(stream);
		stream.writeInt(version);
		targetType.write(stream);
		stream.writeUTF(memberTypeName);
		writeSourceLocation(stream);
		writeOutTypeAliases(stream);
	}

	public static ResolvedTypeMunger readInnerClass(VersionedDataInputStream stream, ISourceContext context) throws IOException {
		/* int version = */stream.readInt();
		UnresolvedType targetType = UnresolvedType.read(stream);
		String memberTypeName = stream.readUTF();
		ISourceLocation sourceLocation = readSourceLocation(stream);
		List typeVarAliases = readInTypeAliases(stream);

		NewMemberClassTypeMunger newInstance = new NewMemberClassTypeMunger(targetType, memberTypeName);
		newInstance.setTypeVariableAliases(typeVarAliases);
		newInstance.setSourceLocation(sourceLocation);
		return newInstance;
	}

	public UnresolvedType getTargetType() {
		return targetType;
	}

	public UnresolvedType getDeclaringType() {
		return targetType;
	}

	public String getMemberTypeName() {
		return memberTypeName;
	}

	public int hashCode() {
		int result = 17;
		result = 37 * result + kind.hashCode();
		result = 37 * result + memberTypeName.hashCode();
		result = 37 * result + targetType.hashCode();
		result = 37 * result + ((typeVariableAliases == null) ? 0 : typeVariableAliases.hashCode());
		return result;
	}

	public boolean equals(Object other) {
		if (!(other instanceof NewMemberClassTypeMunger)) {
			return false;
		}
		NewMemberClassTypeMunger o = (NewMemberClassTypeMunger) other;
		return ((kind == null) ? (o.kind == null) : kind.equals(o.kind))
				&& memberTypeName.equals(o.memberTypeName)
				&& targetType.equals(o.targetType)
				&& ((typeVariableAliases == null) ? (o.typeVariableAliases == null) : typeVariableAliases
						.equals(o.typeVariableAliases));
	}
}