| /* |
| * Copyright 2000-2014 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.intellij.psi.filters.classes; |
| |
| import com.intellij.psi.JavaPsiFacade; |
| import com.intellij.psi.PsiClass; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiManager; |
| import com.intellij.psi.filters.ElementFilter; |
| import com.intellij.psi.search.GlobalSearchScope; |
| import com.intellij.reference.SoftReference; |
| import com.intellij.util.ReflectionUtil; |
| |
| /** |
| * Created by IntelliJ IDEA. |
| * User: ik |
| * Date: 26.03.2003 |
| * Time: 21:01:47 |
| * To change this template use Options | File Templates. |
| */ |
| public abstract class ClassAssignableFilter implements ElementFilter{ |
| protected String myClassName = null; |
| protected PsiClass myClass = null; |
| private SoftReference myCachedClass = new SoftReference(null); |
| |
| @Override |
| public abstract boolean isAcceptable(Object aClass, PsiElement context); |
| public abstract String toString(); |
| |
| @Override |
| public boolean isClassAcceptable(Class hintClass){ |
| return ReflectionUtil.isAssignable(PsiClass.class, hintClass); |
| } |
| |
| protected PsiClass getPsiClass(PsiManager manager, GlobalSearchScope scope){ |
| if(myClass != null){ |
| return myClass; |
| } |
| |
| if(myCachedClass.get() == null && manager != null){ |
| myCachedClass = new SoftReference(JavaPsiFacade.getInstance(manager.getProject()).findClass(myClassName, scope)); |
| } |
| return (PsiClass) myCachedClass.get(); |
| } |
| |
| } |