| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.codehaus.groovy.ast.decompiled; |
| |
| import org.codehaus.groovy.ast.AnnotationNode; |
| import org.codehaus.groovy.ast.ClassNode; |
| import org.codehaus.groovy.ast.expr.*; |
| import org.codehaus.groovy.vmplugin.v5.Java5; |
| import org.objectweb.asm.Type; |
| |
| import java.lang.reflect.Array; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * @author Peter Gromov |
| */ |
| class Annotations { |
| static AnnotationNode createAnnotationNode(AnnotationStub annotation, AsmReferenceResolver resolver) { |
| ClassNode classNode = resolver.resolveClassNullable(Type.getType(annotation.className).getClassName()); |
| if (classNode == null) { |
| // there might be annotations not present in the classpath |
| // e.g. java.lang.Synthetic (http://forge.ow2.org/tracker/?aid=307392&group_id=23&atid=100023&func=detail) |
| // so skip them |
| return null; |
| } |
| |
| AnnotationNode node = new DecompiledAnnotationNode(classNode); |
| for (Map.Entry<String, Object> entry : annotation.members.entrySet()) { |
| node.addMember(entry.getKey(), annotationValueToExpression(entry.getValue(), resolver)); |
| } |
| return node; |
| } |
| |
| private static Expression annotationValueToExpression(Object value, AsmReferenceResolver resolver) { |
| if (value instanceof TypeWrapper) { |
| return new ClassExpression(resolver.resolveType(Type.getType(((TypeWrapper) value).desc))); |
| } |
| |
| if (value instanceof EnumConstantWrapper) { |
| EnumConstantWrapper wrapper = (EnumConstantWrapper) value; |
| return new PropertyExpression(new ClassExpression(resolver.resolveType(Type.getType(wrapper.enumDesc))), wrapper.constant); |
| } |
| |
| if (value instanceof AnnotationStub) { |
| AnnotationNode annotationNode = createAnnotationNode((AnnotationStub) value, resolver); |
| return annotationNode != null ? new AnnotationConstantExpression(annotationNode) : ConstantExpression.NULL; |
| } |
| |
| if (value != null && value.getClass().isArray()) { |
| ListExpression elementExprs = new ListExpression(); |
| int len = Array.getLength(value); |
| for (int i = 0; i != len; ++i) { |
| elementExprs.addExpression(annotationValueToExpression(Array.get(value, i), resolver)); |
| } |
| return elementExprs; |
| } |
| |
| if (value instanceof List) { |
| ListExpression elementExprs = new ListExpression(); |
| for (Object o : (List) value) { |
| elementExprs.addExpression(annotationValueToExpression(o, resolver)); |
| } |
| return elementExprs; |
| } |
| |
| return new ConstantExpression(value); |
| } |
| |
| private static class DecompiledAnnotationNode extends AnnotationNode { |
| private final Object initLock; |
| private volatile boolean lazyInitDone; |
| |
| public DecompiledAnnotationNode(ClassNode type) { |
| super(type); |
| initLock = new Object(); |
| } |
| |
| private void lazyInit() { |
| if (lazyInitDone) return; |
| synchronized (initLock) { |
| if (!lazyInitDone) { |
| for (AnnotationNode annotation : getClassNode().getAnnotations()) { |
| Java5.configureAnnotationFromDefinition(annotation, this); |
| } |
| |
| lazyInitDone = true; |
| } |
| } |
| } |
| |
| @Override |
| public boolean isTargetAllowed(int target) { |
| lazyInit(); |
| return super.isTargetAllowed(target); |
| } |
| |
| @Override |
| public boolean hasRuntimeRetention() { |
| lazyInit(); |
| return super.hasRuntimeRetention(); |
| } |
| |
| @Override |
| public boolean hasSourceRetention() { |
| lazyInit(); |
| return super.hasSourceRetention(); |
| } |
| |
| @Override |
| public boolean hasClassRetention() { |
| lazyInit(); |
| return super.hasClassRetention(); |
| } |
| } |
| } |