java/java-impl/src/com/intellij/ide/hierarchy/method/MethodHierarchyUtil.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.ide.hierarchy.method;
  17
  18 import com.intellij.psi.PsiClass;
  19 import com.intellij.psi.PsiMethod;
  20 import com.intellij.psi.PsiModifier;
  21 import com.intellij.psi.PsiSubstitutor;
  22 import com.intellij.psi.util.MethodSignatureUtil;
  23 import com.intellij.psi.util.MethodSignature;
  24
  25 final class MethodHierarchyUtil {
  26   public static PsiMethod findBaseMethodInClass(final PsiMethod baseMethod, final PsiClass aClass, final boolean checkBases) {
  27     if (baseMethod == null) return null; // base method is invalid
  28     if (cannotBeOverridding(baseMethod)) return null;
  29     /*if (!checkBases) return MethodSignatureUtil.findMethodBySignature(aClass, signature, false);*/
  30     return MethodSignatureUtil.findMethodBySuperMethod(aClass, baseMethod, checkBases);
  31     /*final MethodSignatureBackedByPsiMethod signature = SuperMethodsSearch.search(baseMethod, aClass, checkBases, false).findFirst();
  32     return signature == null ? null : signature.getMethod();*/
  33   }
  34
  35   private static boolean cannotBeOverridding(final PsiMethod method) {
  36     final PsiClass parentClass = method.getContainingClass();
  37     return parentClass == null
  38            || method.isConstructor()
  39            || method.hasModifierProperty(PsiModifier.STATIC)
  40            || method.hasModifierProperty(PsiModifier.PRIVATE);
  41   }
  42
  43 }