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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.IOException;
- import java.util.Map;
-
- import org.aspectj.bridge.IMessage;
- import org.aspectj.bridge.MessageUtil;
- import org.aspectj.weaver.BCException;
- import org.aspectj.weaver.CompressingDataOutputStream;
- import org.aspectj.weaver.ISourceContext;
- import org.aspectj.weaver.IntMap;
- import org.aspectj.weaver.ResolvedType;
- import org.aspectj.weaver.TypeVariableReference;
- import org.aspectj.weaver.UnresolvedType;
- import org.aspectj.weaver.VersionedDataInputStream;
- import org.aspectj.weaver.WeaverMessages;
- import org.aspectj.weaver.World;
-
- public class BindingAnnotationTypePattern extends ExactAnnotationTypePattern implements BindingPattern {
-
- protected int formalIndex;
-
- /**
- * @param annotationType
- */
- public BindingAnnotationTypePattern(UnresolvedType annotationType, int index) {
- super(annotationType, null);
- this.formalIndex = index;
- }
-
- public BindingAnnotationTypePattern(FormalBinding binding) {
- this(binding.getType(), binding.getIndex());
- }
-
- public void resolveBinding(World world) {
- if (resolved) {
- return;
- }
- resolved = true;
- annotationType = annotationType.resolve(world);
- ResolvedType resolvedAnnotationType = (ResolvedType) annotationType;
- if (!resolvedAnnotationType.isAnnotation()) {
- IMessage m = MessageUtil.error(WeaverMessages.format(WeaverMessages.REFERENCE_TO_NON_ANNOTATION_TYPE, annotationType
- .getName()), getSourceLocation());
- world.getMessageHandler().handleMessage(m);
- resolved = false;
- }
- if (annotationType.isTypeVariableReference()) {
- return; // we'll deal with this next check when the type var is actually bound...
- }
- verifyRuntimeRetention(world, resolvedAnnotationType);
- }
-
- private void verifyRuntimeRetention(World world, ResolvedType resolvedAnnotationType) {
- if (!resolvedAnnotationType.isAnnotationWithRuntimeRetention()) { // default is class visibility
- // default is class visibility
- IMessage m = MessageUtil.error(WeaverMessages.format(WeaverMessages.BINDING_NON_RUNTIME_RETENTION_ANNOTATION,
- annotationType.getName()), getSourceLocation());
- world.getMessageHandler().handleMessage(m);
- resolved = false;
- }
- }
-
- public AnnotationTypePattern parameterizeWith(Map typeVariableMap, World w) {
- UnresolvedType newAnnotationType = annotationType;
- if (annotationType.isTypeVariableReference()) {
- TypeVariableReference t = (TypeVariableReference) annotationType;
- String key = t.getTypeVariable().getName();
- if (typeVariableMap.containsKey(key)) {
- newAnnotationType = (UnresolvedType) typeVariableMap.get(key);
- }
- } else if (annotationType.isParameterizedType()) {
- newAnnotationType = annotationType.parameterize(typeVariableMap);
- }
- BindingAnnotationTypePattern ret = new BindingAnnotationTypePattern(newAnnotationType, this.formalIndex);
- if (newAnnotationType instanceof ResolvedType) {
- ResolvedType rat = (ResolvedType) newAnnotationType;
- verifyRuntimeRetention(rat.getWorld(), rat);
- }
- ret.copyLocationFrom(this);
- return ret;
- }
-
- public int getFormalIndex() {
- return formalIndex;
- }
-
- public boolean equals(Object obj) {
- if (!(obj instanceof BindingAnnotationTypePattern)) {
- return false;
- }
- BindingAnnotationTypePattern btp = (BindingAnnotationTypePattern) obj;
- return (super.equals(btp) && (btp.formalIndex == formalIndex));
- }
-
- public int hashCode() {
- return super.hashCode() * 37 + formalIndex;
- }
-
- public AnnotationTypePattern remapAdviceFormals(IntMap bindings) {
- if (!bindings.hasKey(formalIndex)) {
- return new ExactAnnotationTypePattern(annotationType, null);
- } else {
- int newFormalIndex = bindings.get(formalIndex);
- return new BindingAnnotationTypePattern(annotationType, newFormalIndex);
- }
- }
-
- private static final byte VERSION = 1; // rev if serialised form changed
-
- @Override
- public void write(CompressingDataOutputStream s) throws IOException {
- s.writeByte(AnnotationTypePattern.BINDING);
- s.writeByte(VERSION);
- annotationType.write(s);
- s.writeShort((short) formalIndex);
- writeLocation(s);
- }
-
- public static AnnotationTypePattern read(VersionedDataInputStream s, ISourceContext context) throws IOException {
- byte version = s.readByte();
- if (version > VERSION) {
- throw new BCException("BindingAnnotationTypePattern was written by a more recent version of AspectJ");
- }
- AnnotationTypePattern ret = new BindingAnnotationTypePattern(UnresolvedType.read(s), s.readShort());
- ret.readLocation(context, s);
- return ret;
- }
- }
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