java/java-impl/src/com/intellij/codeInsight/editorActions/wordSelection/JavaBasicWordSelectionFilter.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.codeInsight.editorActions.wordSelection;
  17
  18 import com.intellij.openapi.util.Condition;
  19 import com.intellij.psi.*;
  20 import com.intellij.psi.javadoc.PsiDocTag;
  21
  22 /**
  23  * @author yole
  24  */
  25 public class JavaBasicWordSelectionFilter implements Condition<PsiElement> {
  26   public boolean value(final PsiElement e) {
  27     if (e instanceof PsiJavaToken && ((PsiJavaToken)e).getTokenType() == JavaTokenType.IDENTIFIER) {
  28       return true;
  29     }
  30     return !(e instanceof PsiCodeBlock) &&
  31            !(e instanceof PsiArrayInitializerExpression) &&
  32            !(e instanceof PsiParameterList) &&
  33            !(e instanceof PsiExpressionList) &&
  34            !(e instanceof PsiBlockStatement) &&
  35            !(e instanceof PsiJavaCodeReferenceElement) &&
  36            !(e instanceof PsiJavaToken &&
  37            !(e instanceof PsiKeyword)) &&
  38            !(e instanceof PsiDocTag);
  39   }
  40 }