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The AspectJ weaver introduces advices to java classes
/* *******************************************************************
* Copyright (c) 2002, 2010 Palo Alto Research Center, Incorporated (PARC) and others.
* 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
*
* Contributors:
* PARC initial implementation
* ******************************************************************/
package org.aspectj.weaver.patterns;
import java.io.IOException;
import java.lang.reflect.Modifier;
import java.util.Map;
import org.aspectj.bridge.MessageUtil;
import org.aspectj.util.FuzzyBoolean;
import org.aspectj.weaver.CompressingDataOutputStream;
import org.aspectj.weaver.ISourceContext;
import org.aspectj.weaver.ResolvedType;
import org.aspectj.weaver.UnresolvedType;
import org.aspectj.weaver.VersionedDataInputStream;
import org.aspectj.weaver.WeaverMessages;
import org.aspectj.weaver.World;
/**
* This type represents a type pattern of '*' but with an annotation specified, e.g. '@Color *'
*/
public class AnyWithAnnotationTypePattern extends TypePattern {
public AnyWithAnnotationTypePattern(AnnotationTypePattern atp) {
super(false, false);
annotationPattern = atp;
}
@Override
public Object accept(PatternNodeVisitor visitor, Object data) {
return visitor.visit(this, data);
}
@Override
protected boolean couldEverMatchSameTypesAs(TypePattern other) {
return true;
}
@Override
protected boolean matchesExactly(ResolvedType type) {
annotationPattern.resolve(type.getWorld());
boolean b = false;
if (type.temporaryAnnotationTypes != null) {
b = annotationPattern.matches(type, type.temporaryAnnotationTypes).alwaysTrue();
} else {
b = annotationPattern.matches(type).alwaysTrue();
}
return b;
}
@Override
public TypePattern resolveBindings(IScope scope, Bindings bindings, boolean allowBinding, boolean requireExactType) {
if (requireExactType) {
scope.getWorld().getMessageHandler().handleMessage(
MessageUtil.error(WeaverMessages.format(WeaverMessages.WILDCARD_NOT_ALLOWED), getSourceLocation()));
return NO;
}
return super.resolveBindings(scope, bindings, allowBinding, requireExactType);
}
@Override
protected boolean matchesExactly(ResolvedType type, ResolvedType annotatedType) {
annotationPattern.resolve(type.getWorld());
return annotationPattern.matches(annotatedType).alwaysTrue();
}
@Override
public FuzzyBoolean matchesInstanceof(ResolvedType type) {
if (Modifier.isFinal(type.getModifiers())) {
return FuzzyBoolean.fromBoolean(matchesExactly(type));
}
return FuzzyBoolean.MAYBE;
}
@Override
public TypePattern parameterizeWith(Map typeVariableMap, World w) {
AnyWithAnnotationTypePattern ret = new AnyWithAnnotationTypePattern(this.annotationPattern.parameterizeWith(
typeVariableMap, w));
ret.copyLocationFrom(this);
return ret;
}
@Override
public void write(CompressingDataOutputStream s) throws IOException {
s.writeByte(TypePattern.ANY_WITH_ANNO);
annotationPattern.write(s);
writeLocation(s);
}
public static TypePattern read(VersionedDataInputStream s, ISourceContext c) throws IOException {
AnnotationTypePattern annPatt = AnnotationTypePattern.read(s, c);
AnyWithAnnotationTypePattern ret = new AnyWithAnnotationTypePattern(annPatt);
ret.readLocation(c, s);
return ret;
}
// public FuzzyBoolean matches(IType type, MatchKind kind) {
// return FuzzyBoolean.YES;
// }
@Override
protected boolean matchesSubtypes(ResolvedType type) {
return true;
}
@Override
public boolean isStar() {
return false;
}
@Override
public String toString() {
return "(" + annotationPattern + " *)";
}
public AnnotationTypePattern getAnnotationTypePattern() {
return annotationPattern;
}
@Override
public boolean equals(Object obj) {
if (!(obj instanceof AnyWithAnnotationTypePattern)) {
return false;
}
AnyWithAnnotationTypePattern awatp = (AnyWithAnnotationTypePattern) obj;
return (annotationPattern.equals(awatp.annotationPattern));
}
@Override
public int hashCode() {
return annotationPattern.hashCode();
}
}