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- /* *******************************************************************
- * Copyright (c) 2010 Contributors
- * 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:
- * Andy Clement
- * Nieraj Singh
- * ******************************************************************/
-
- package org.aspectj.weaver.patterns;
-
- import java.io.IOException;
- import java.util.Map;
-
- 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.World;
-
- /**
- * A TypeCategoryTypePattern matches on the category of a type, one of class/interface/aspect/inner/anonymous/enum/annotation, and
- * these are specified in the pointcut via isClass() isInterface() isAspect() isInner() isAnonymous() isEnum() isAnnotation().
- *
- * @author Andy Clement
- * @since 1.6.9
- */
- public class TypeCategoryTypePattern extends TypePattern {
-
- public static final int CLASS = 1;
- public static final int INTERFACE = 2;
- public static final int ASPECT = 3;
- public static final int INNER = 4;
- public static final int ANONYMOUS = 5;
- public static final int ENUM = 6;
- public static final int ANNOTATION = 7;
-
- private int category;
-
- private int VERSION = 1;
-
- public TypeCategoryTypePattern(int category) {
- super(false);
- this.category = category;
- }
-
- public int getTypeCategory() {
- return category;
- }
-
- @Override
- protected boolean matchesExactly(ResolvedType type) {
- return isRightCategory(type);
- }
-
- @Override
- protected boolean matchesExactly(ResolvedType type, ResolvedType annotatedType) {
- return isRightCategory(type);
- }
-
- @Override
- public FuzzyBoolean matchesInstanceof(ResolvedType type) {
- return FuzzyBoolean.fromBoolean(isRightCategory(type));
- }
-
- @Override
- public TypePattern parameterizeWith(Map<String,UnresolvedType> typeVariableMap, World w) {
- return this;
- }
-
- @Override
- public Object accept(PatternNodeVisitor visitor, Object data) {
- return visitor.visit(this, data);
- }
-
- @Override
- public boolean equals(Object other) {
- if (!(other instanceof TypeCategoryTypePattern)) {
- return false;
- }
- TypeCategoryTypePattern o = (TypeCategoryTypePattern) other;
- return o.category == category;
- }
-
- // TODO is sourcelocation part of the identity or just a 'nice to have' - if important it should be in hashcode/equals
- // TODO but if that is the case it needs addressing for all type patterns
-
- @Override
- public int hashCode() {
- return category * 37;
- }
-
- @Override
- public void write(CompressingDataOutputStream s) throws IOException {
- s.writeByte(TypePattern.TYPE_CATEGORY);
- s.writeInt(VERSION);
- s.writeInt(category);
- writeLocation(s);
- }
-
- public static TypePattern read(VersionedDataInputStream s, ISourceContext context) throws IOException {
- int version = s.readInt();
- int category = s.readInt();
- TypeCategoryTypePattern tp = new TypeCategoryTypePattern(category);
- tp.readLocation(context, s);
- return tp;
- }
-
- /**
- * @return true if the supplied type is of the category specified for this type pattern
- */
- private boolean isRightCategory(ResolvedType type) {
- switch (category) {
- case CLASS:
- return type.isClass();
- case INTERFACE:
- return type.isInterface();
- case ASPECT:
- return type.isAspect();
- case ANONYMOUS:
- return type.isAnonymous();
- case INNER:
- return type.isNested();
- case ENUM:
- return type.isEnum();
- case ANNOTATION:
- return type.isAnnotation();
- }
- return false;
- }
-
- }
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