| /******************************************************************************* |
| * Copyright (c) 2005 BEA Systems, Inc. |
| * 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: |
| * tyeung@bea.com - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.apt.core.internal.declaration; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.jdt.apt.core.internal.env.BaseProcessorEnv; |
| import org.eclipse.jdt.apt.core.internal.util.Factory; |
| import org.eclipse.jdt.core.dom.ASTNode; |
| import org.eclipse.jdt.core.dom.AnnotationTypeMemberDeclaration; |
| import org.eclipse.jdt.core.dom.Expression; |
| import org.eclipse.jdt.core.dom.ITypeBinding; |
| import org.eclipse.jdt.core.dom.SimpleName; |
| import org.eclipse.jdt.core.dom.Type; |
| import com.sun.mirror.declaration.AnnotationTypeDeclaration; |
| import com.sun.mirror.declaration.AnnotationTypeElementDeclaration; |
| import com.sun.mirror.declaration.AnnotationValue; |
| import com.sun.mirror.declaration.ParameterDeclaration; |
| import com.sun.mirror.type.TypeMirror; |
| import com.sun.mirror.util.DeclarationVisitor; |
| |
| public class ASTBasedAnnotationElementDeclarationImpl |
| extends ASTBasedMethodDeclarationImpl implements AnnotationTypeElementDeclaration{ |
| |
| public ASTBasedAnnotationElementDeclarationImpl( |
| final AnnotationTypeMemberDeclaration astNode, |
| final IFile file, |
| final BaseProcessorEnv env) |
| { |
| super(astNode, file, env); |
| } |
| |
| public void accept(DeclarationVisitor visitor) { |
| visitor.visitAnnotationTypeElementDeclaration(this); |
| } |
| |
| public AnnotationTypeDeclaration getDeclaringType() { |
| return (AnnotationTypeDeclaration) super.getDeclaringType(); |
| } |
| |
| /** |
| * @return the default value of this annotation element if one exists. |
| * Return null if the annotation element is defined in binary |
| * (feature not available right now). Return null if the annotation |
| * element is part of a seconary type that is defined outside the |
| * file associated with the environment. |
| */ |
| public AnnotationValue getDefaultValue() { |
| |
| final AnnotationTypeMemberDeclaration decl = getMemberAstNode(); |
| if (decl != null){ |
| final Expression defaultExpr = decl.getDefault(); |
| if( defaultExpr != null ) |
| return Factory.createDefaultValue(defaultExpr.resolveConstantExpressionValue(), this, _env); |
| } |
| |
| return null; |
| } |
| |
| public ASTNode getAstNodeForDefault() { |
| final AnnotationTypeMemberDeclaration decl = (AnnotationTypeMemberDeclaration) getAstNode(); |
| if (decl != null) |
| return decl.getDefault(); |
| |
| return null; |
| } |
| |
| public boolean isVarArgs(){ return false; } |
| |
| public String getSimpleName() |
| { |
| final AnnotationTypeMemberDeclaration memberAstNode = getMemberAstNode(); |
| final SimpleName nameNode = memberAstNode.getName(); |
| return nameNode == null ? EMPTY_STRING : nameNode.getIdentifier(); |
| } |
| |
| public TypeMirror getReturnType() |
| { |
| final AnnotationTypeMemberDeclaration memberAstNode = getMemberAstNode(); |
| final Type retType = memberAstNode.getType(); |
| // some funny error case where the return type is missing but it's not a constructor. |
| if( retType == null ) |
| return Factory.createErrorClassType(EMPTY_STRING); |
| final ITypeBinding typeBinding = retType.resolveBinding(); |
| // This is most likely the reason that we end up with an ast based implementation. |
| if( typeBinding == null ){ |
| return Factory.createErrorClassType(retType.toString()); |
| } |
| else{ |
| final TypeMirror type = Factory.createTypeMirror(typeBinding, _env); |
| if(retType == null ) |
| return Factory.createErrorClassType(retType.toString()); |
| return type; |
| } |
| } |
| |
| public String toString() |
| { |
| final StringBuilder buffer = new StringBuilder(); |
| final AnnotationTypeMemberDeclaration memberAstNode = (AnnotationTypeMemberDeclaration) getAstNode(); |
| |
| if( memberAstNode.getType() != null ) |
| buffer.append(memberAstNode.getType()); |
| buffer.append(' '); |
| buffer.append(memberAstNode.getName()); |
| buffer.append("()"); //$NON-NLS-1$ |
| |
| return buffer.toString(); |
| } |
| |
| public Collection<ParameterDeclaration> getParameters() { |
| return Collections.emptyList(); |
| } |
| |
| public MirrorKind kind() { |
| return MirrorKind.ANNOTATION_ELEMENT; |
| } |
| |
| private AnnotationTypeMemberDeclaration getMemberAstNode(){ |
| return (AnnotationTypeMemberDeclaration)_astNode; |
| } |
| } |