java/java-impl/src/com/intellij/psi/filters/types/AssignableGroupFilter.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.filters.types;
  17
  18 import com.intellij.psi.JavaPsiFacade;
  19 import com.intellij.psi.PsiClass;
  20 import com.intellij.psi.PsiSubstitutor;
  21 import com.intellij.psi.PsiType;
  22 import com.intellij.psi.filters.FalseFilter;
  23 import com.intellij.psi.filters.InitializableFilter;
  24 import com.intellij.psi.filters.OrFilter;
  25
  26 /**
  27  * Created by IntelliJ IDEA.
  28  * User: ik
  29  * Date: 20.03.2003
  30  * Time: 21:27:25
  31  * To change this template use Options | File Templates.
  32  */
  33 public class AssignableGroupFilter extends OrFilter implements InitializableFilter{
  34   public AssignableGroupFilter(){}
  35
  36   public AssignableGroupFilter(PsiClass[] classes){
  37     init(classes);
  38   }
  39
  40   public void init(Object[] classes){
  41     for (Object aClass : classes) {
  42       if (aClass instanceof PsiClass) {
  43         final PsiClass psiClass = (PsiClass)aClass;
  44         PsiType type = JavaPsiFacade.getInstance(psiClass.getProject()).getElementFactory().createType(psiClass, PsiSubstitutor.EMPTY);
  45         addFilter(new AssignableFromFilter(type));
  46       }
  47       if (aClass instanceof PsiType) {
  48         addFilter(new AssignableFromFilter((PsiType)aClass));
  49       }
  50     }
  51     addFilter(new FalseFilter());
  52   }
  53 }