openapi/src/com/intellij/psi/ref/AnnotationAttributeChildLink.java

   1 /*
   2  * Copyright (c) 2000-2005 by JetBrains s.r.o. All Rights Reserved.
   3  * Use is subject to license terms.
   4  */
   5 package com.intellij.psi.ref;
   6
   7 import com.intellij.psi.PsiAnnotation;
   8 import com.intellij.psi.PsiAnnotationMemberValue;
   9 import com.intellij.psi.PsiChildLink;
  10 import com.intellij.util.IncorrectOperationException;
  11 import org.jetbrains.annotations.NonNls;
  12 import org.jetbrains.annotations.NotNull;
  13 import org.jetbrains.annotations.Nullable;
  14
  15 /**
  16  * @author peter
  17 */
  18 public class AnnotationAttributeChildLink extends PsiChildLink<PsiAnnotation, PsiAnnotationMemberValue> {
  19   private final String myAttributeName;
  20
  21   public AnnotationAttributeChildLink(@NotNull @NonNls String attributeName) {
  22     myAttributeName = attributeName;
  23   }
  24
  25   @NotNull
  26   public String getAttributeName() {
  27     return myAttributeName;
  28   }
  29
  30   @Override
  31   public PsiAnnotationMemberValue findLinkedChild(@Nullable PsiAnnotation psiAnnotation) {
  32     if (psiAnnotation == null) return null;
  33
  34     psiAnnotation.getText();
  35     return psiAnnotation.findDeclaredAttributeValue(myAttributeName);
  36   }
  37
  38   @NotNull
  39   public PsiAnnotationMemberValue createChild(@NotNull PsiAnnotation psiAnnotation) throws IncorrectOperationException {
  40     psiAnnotation.getText();
  41     throw new UnsupportedOperationException("Method createChild is not yet implemented in " + getClass().getName());
  42   }
  43
  44 }