| /* |
| * 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; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.codehaus.groovy.ast.expr.Expression; |
| import org.codehaus.groovy.GroovyBugError; |
| |
| |
| /** |
| * Represents an annotation which can be attached to interfaces, classes, methods and fields. |
| * |
| * @author <a href="mailto:jstrachan@protique.com">James Strachan</a> |
| * @author <a href='mailto:the[dot]mindstorm[at]gmail[dot]com'>Alex Popescu</a> |
| */ |
| public class AnnotationNode extends ASTNode { |
| public static final int CONSTRUCTOR_TARGET = 1 << 1; |
| public static final int METHOD_TARGET = 1 << 2; |
| public static final int FIELD_TARGET = 1 << 3; |
| public static final int PARAMETER_TARGET = 1 << 4; |
| public static final int LOCAL_VARIABLE_TARGET = 1 << 5; |
| public static final int ANNOTATION_TARGET = 1 << 6; |
| public static final int PACKAGE_TARGET = 1 << 7; |
| public static final int TYPE_TARGET = 1 + ANNOTATION_TARGET; //GROOVY-7151 |
| private static final int ALL_TARGETS = TYPE_TARGET | CONSTRUCTOR_TARGET | METHOD_TARGET |
| | FIELD_TARGET | PARAMETER_TARGET | LOCAL_VARIABLE_TARGET | ANNOTATION_TARGET | PACKAGE_TARGET; |
| |
| private final ClassNode classNode; |
| private final Map<String, Expression> members = new HashMap<String, Expression>(); |
| private boolean runtimeRetention= false, sourceRetention= false, classRetention = false; |
| private int allowedTargets = ALL_TARGETS; |
| |
| public AnnotationNode(ClassNode classNode) { |
| this.classNode = classNode; |
| } |
| |
| public ClassNode getClassNode() { |
| return classNode; |
| } |
| |
| public Map<String, Expression> getMembers() { |
| return members; |
| } |
| |
| public Expression getMember(String name) { |
| return members.get(name); |
| } |
| |
| public void addMember(String name, Expression value) { |
| Expression oldValue = members.get(name); |
| if (oldValue == null) { |
| members.put(name, value); |
| } |
| else { |
| throw new GroovyBugError(String.format("Annotation member %s has already been added", name)); |
| } |
| } |
| |
| public void setMember(String name, Expression value) { |
| members.put(name, value); |
| } |
| |
| public boolean isBuiltIn(){ |
| return false; |
| } |
| |
| /** |
| * Flag corresponding to <code>RetentionPolicy</code>. |
| * @return <tt>true</tt> if the annotation should be visible at runtime, |
| * <tt>false</tt> otherwise |
| */ |
| public boolean hasRuntimeRetention() { |
| return this.runtimeRetention; |
| } |
| |
| /** |
| * Sets the internal flag of this annotation runtime retention policy. |
| * If the current annotation has |
| * <code>RetentionPolicy.RUNTIME</code> or if <tt>false</tt> |
| * if the <code>RetentionPolicy.CLASS</code>. |
| * @param flag if <tt>true</tt> then current annotation is marked as having |
| * <code>RetentionPolicy.RUNTIME</code>. If <tt>false</tt> then |
| * the annotation has <code>RetentionPolicy.CLASS</code>. |
| */ |
| public void setRuntimeRetention(boolean flag) { |
| this.runtimeRetention = flag; |
| } |
| |
| /** |
| * Flag corresponding to <code>RetentionPolicy.SOURCE</code>. |
| * @return <tt>true</tt> if the annotation is only allowed in sources |
| * <tt>false</tt> otherwise |
| */ |
| public boolean hasSourceRetention() { |
| if (!runtimeRetention && !classRetention) return true; |
| return this.sourceRetention; |
| } |
| |
| /** Sets the internal flag if the current annotation has |
| * <code>RetentionPolicy.SOURCE</code>. |
| */ |
| public void setSourceRetention(boolean flag) { |
| this.sourceRetention = flag; |
| } |
| |
| /** |
| * Flag corresponding to <code>RetentionPolicy.CLASS</code>. |
| * @return <tt>true</tt> if the annotation is recorded by the compiler, |
| * but not visible at runtime * |
| * <tt>false</tt> otherwise |
| */ |
| public boolean hasClassRetention() { |
| return this.classRetention; |
| } |
| |
| /** Sets the internal flag if the current annotation has |
| * <code>RetentionPolicy.CLASS</code>. |
| */ |
| public void setClassRetention(boolean flag) { |
| this.classRetention = flag; |
| } |
| |
| public void setAllowedTargets(int bitmap) { |
| this.allowedTargets = bitmap; |
| } |
| |
| public boolean isTargetAllowed(int target) { |
| return (this.allowedTargets & target) == target; |
| } |
| |
| public static String targetToName(int target) { |
| switch(target) { |
| case TYPE_TARGET: |
| return "TYPE"; |
| case CONSTRUCTOR_TARGET: |
| return "CONSTRUCTOR"; |
| case METHOD_TARGET: |
| return "METHOD"; |
| case FIELD_TARGET: |
| return "FIELD"; |
| case PARAMETER_TARGET: |
| return "PARAMETER"; |
| case LOCAL_VARIABLE_TARGET: |
| return "LOCAL_VARIABLE"; |
| case ANNOTATION_TARGET: |
| return "ANNOTATION"; |
| case PACKAGE_TARGET: |
| return "PACKAGE"; |
| default: |
| return "unknown target"; |
| } |
| } |
| } |