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/* *******************************************************************
 * Copyright (c) 2004 IBM Corporation.
 * All rights reserved. 
 * This program and the accompanying materials are made available 
 * under the terms of the Eclipse Public License v1.0 
 * which accompanies this distribution and is available at 
 * http://www.eclipse.org/legal/epl-v10.html 
 *  
 * ******************************************************************/
package org.aspectj.weaver.patterns;

import java.io.DataOutputStream;
import java.io.IOException;
import java.util.Map;

import org.aspectj.util.FuzzyBoolean;
import org.aspectj.weaver.AnnotatedElement;
import org.aspectj.weaver.ISourceContext;
import org.aspectj.weaver.VersionedDataInputStream;
import org.aspectj.weaver.World;
import org.aspectj.weaver.AjAttribute.WeaverVersionInfo;
import org.aspectj.weaver.ResolvedType;
/**
 * @author colyer
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class AndAnnotationTypePattern extends AnnotationTypePattern {

	private AnnotationTypePattern left;
	private AnnotationTypePattern right;
	
	public AndAnnotationTypePattern(AnnotationTypePattern left, AnnotationTypePattern right) {
		this.left = left;
		this.right = right;
		setLocation(left.getSourceContext(), left.getStart(), right.getEnd());
	}

	public FuzzyBoolean matches(AnnotatedElement annotated) {
		return left.matches(annotated).and(right.matches(annotated));
	}
	
	public FuzzyBoolean matches(AnnotatedElement annotated, ResolvedType[] parameterAnnotations ) {
		return left.matches(annotated,parameterAnnotations).and(right.matches(annotated,parameterAnnotations));
	}

	public void resolve(World world) {
		left.resolve(world);
		right.resolve(world);
	}
	
	/* (non-Javadoc)
	 * @see org.aspectj.weaver.patterns.AnnotationTypePattern#resolveBindings(org.aspectj.weaver.patterns.IScope, org.aspectj.weaver.patterns.Bindings, boolean)
	 */
	public AnnotationTypePattern resolveBindings(IScope scope,
			Bindings bindings, boolean allowBinding) {
		left = left.resolveBindings(scope,bindings,allowBinding);
		right =right.resolveBindings(scope,bindings,allowBinding);
		return this;
	}
	
	public AnnotationTypePattern parameterizeWith(Map typeVariableMap,World w) {
		AnnotationTypePattern newLeft = left.parameterizeWith(typeVariableMap,w);
		AnnotationTypePattern newRight = right.parameterizeWith(typeVariableMap,w);
		AndAnnotationTypePattern ret = new AndAnnotationTypePattern(newLeft,newRight);
		ret.copyLocationFrom(this);
		if (this.isForParameterAnnotationMatch()) ret.setForParameterAnnotationMatch();
		return ret;
	}
	
	public static AnnotationTypePattern read(VersionedDataInputStream s, ISourceContext context) throws IOException {
		AnnotationTypePattern p = new AndAnnotationTypePattern(
				AnnotationTypePattern.read(s,context),
				AnnotationTypePattern.read(s,context));
		p.readLocation(context,s);
		if (s.getMajorVersion()>=WeaverVersionInfo.WEAVER_VERSION_MAJOR_AJ160) {
			if (s.readBoolean()) p.setForParameterAnnotationMatch();			
		}
		return p;		
	}
	
	public void write(DataOutputStream s) throws IOException {
		s.writeByte(AnnotationTypePattern.AND);
		left.write(s);
		right.write(s);
		writeLocation(s);
		s.writeBoolean(isForParameterAnnotationMatch());
	}
	
	public boolean equals(Object obj) {
		if (!(obj instanceof AndAnnotationTypePattern)) return false;
		AndAnnotationTypePattern other = (AndAnnotationTypePattern) obj;
		return (left.equals(other.left) && right.equals(other.right) && left.isForParameterAnnotationMatch()==right.isForParameterAnnotationMatch());
	}
	
	public int hashCode() {
		int result = 17;
		result = result*37 + left.hashCode();
		result = result*37 + right.hashCode();
		result = result*37 + (isForParameterAnnotationMatch()?0:1);
		return result;		
	}
	
	public String toString() {
		return left.toString() + " " + right.toString();
	}
	
	public AnnotationTypePattern getLeft() { return left; }
	public AnnotationTypePattern getRight() { return right; }

    public Object accept(PatternNodeVisitor visitor, Object data) {
        return visitor.visit(this, data);
    }
	
	public Object traverse(PatternNodeVisitor visitor, Object data) {
		Object ret = accept(visitor,data);
		left.traverse(visitor,ret);
		right.traverse(visitor,ret);
		return ret;
	}

	public void setForParameterAnnotationMatch() {
		left.setForParameterAnnotationMatch();
		right.setForParameterAnnotationMatch();
	}
}