java/java-impl/src/com/intellij/refactoring/rename/JavaVetoRenameCondition.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.refactoring.rename;
  17
  18 import com.intellij.codeInsight.daemon.impl.CollectHighlightsUtil;
  19 import com.intellij.openapi.util.Condition;
  20 import com.intellij.psi.PsiElement;
  21 import com.intellij.psi.PsiFile;
  22 import com.intellij.psi.PsiJavaFile;
  23 import com.intellij.psi.JspPsiUtil;
  24
  25 public class JavaVetoRenameCondition implements Condition<PsiElement> {
  26   public boolean value(final PsiElement element) {
  27     return element instanceof PsiJavaFile &&
  28            !JspPsiUtil.isInJspFile(element) &&
  29            !CollectHighlightsUtil.isOutsideSourceRootJavaFile((PsiFile)element) &&
  30            ((PsiJavaFile) element).getClasses().length > 0;
  31   }
  32 }