java/java-impl/src/com/intellij/psi/impl/compiled/ClsAnnotationValueImpl.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package com.intellij.psi.impl.compiled;
  17
  18 import com.intellij.openapi.diagnostic.Logger;
  19 import com.intellij.pom.Navigatable;
  20 import com.intellij.psi.*;
  21 import com.intellij.psi.impl.PsiImplUtil;
  22 import com.intellij.psi.impl.meta.MetaRegistry;
  23 import com.intellij.psi.impl.source.SourceTreeToPsiMap;
  24 import com.intellij.psi.impl.source.tree.TreeElement;
  25 import com.intellij.psi.meta.PsiMetaData;
  26 import com.intellij.util.IncorrectOperationException;
  27 import org.jetbrains.annotations.NonNls;
  28 import org.jetbrains.annotations.NotNull;
  29 import org.jetbrains.annotations.Nullable;
  30
  31 /**
  32  * @author ven
  33  */
  34 public abstract class ClsAnnotationValueImpl extends ClsElementImpl implements PsiAnnotation, Navigatable {
  35   private static final Logger LOG = Logger.getInstance("com.intellij.psi.impl.compiled.ClsAnnotationValueImpl");
  36   public static final ClsAnnotationImpl[] EMPTY_ARRAY = new ClsAnnotationImpl[0];
  37   private final ClsJavaCodeReferenceElementImpl myReferenceElement;
  38   private final ClsAnnotationParameterListImpl myParameterList;
  39   private final ClsElementImpl myParent;
  40
  41   public ClsAnnotationValueImpl(ClsElementImpl parent) {
  42     myReferenceElement = createReference();
  43     myParameterList = createParameterList();
  44     myParent = parent;
  45   }
  46
  47   protected abstract ClsAnnotationParameterListImpl createParameterList();
  48
  49   protected abstract ClsJavaCodeReferenceElementImpl createReference();
  50
  51   public void appendMirrorText(final int indentLevel, final StringBuffer buffer) {
  52     buffer.append("@").append(myReferenceElement.getCanonicalText());
  53     myParameterList.appendMirrorText(indentLevel, buffer);
  54   }
  55
  56   public void setMirror(@NotNull TreeElement element) {
  57     setMirrorCheckingType(element, null);
  58
  59     PsiAnnotation mirror = (PsiAnnotation)SourceTreeToPsiMap.treeElementToPsi(element);
  60       ((ClsElementImpl)getParameterList()).setMirror((TreeElement)SourceTreeToPsiMap.psiElementToTree(mirror.getParameterList()));
  61       ((ClsElementImpl)getNameReferenceElement()).setMirror((TreeElement)SourceTreeToPsiMap.psiElementToTree(mirror.getNameReferenceElement()));
  62   }
  63
  64   @NotNull
  65   public PsiElement[] getChildren() {
  66     return new PsiElement[]{myReferenceElement, myParameterList};
  67   }
  68
  69   public PsiElement getParent() {
  70     return myParent;
  71   }
  72
  73   public void accept(@NotNull PsiElementVisitor visitor) {
  74     if (visitor instanceof JavaElementVisitor) {
  75       ((JavaElementVisitor)visitor).visitAnnotation(this);
  76     }
  77     else {
  78       visitor.visitElement(this);
  79     }
  80   }
  81
  82   @NotNull
  83   public PsiAnnotationParameterList getParameterList() {
  84     return myParameterList;
  85   }
  86
  87   @Nullable public String getQualifiedName() {
  88     if (myReferenceElement == null) return null;
  89     return myReferenceElement.getCanonicalText();
  90   }
  91
  92   public PsiJavaCodeReferenceElement getNameReferenceElement() {
  93     return myReferenceElement;
  94   }
  95
  96   public PsiAnnotationMemberValue findAttributeValue(String attributeName) {
  97     return PsiImplUtil.findAttributeValue(this, attributeName);
  98   }
  99
 100   @Nullable
 101   public PsiAnnotationMemberValue findDeclaredAttributeValue(@NonNls final String attributeName) {
 102     return PsiImplUtil.findDeclaredAttributeValue(this, attributeName);
 103   }
 104
 105   public <T extends PsiAnnotationMemberValue>  T setDeclaredAttributeValue(@NonNls String attributeName, T value) {
 106     throw new IncorrectOperationException(CAN_NOT_MODIFY_MESSAGE);
 107   }
 108
 109   public String getText() {
 110     final StringBuffer buffer = new StringBuffer();
 111     appendMirrorText(0, buffer);
 112     return buffer.toString();
 113   }
 114
 115   public PsiMetaData getMetaData() {
 116     return MetaRegistry.getMetaBase(this);
 117   }
 118 }