| /* |
| * Copyright 2000-2010 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.lang.java; |
| |
| import com.intellij.lang.Language; |
| import com.intellij.psi.PsiClass; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiField; |
| import com.intellij.psi.PsiMethod; |
| import com.intellij.psi.impl.source.tree.java.ImportStatementElement; |
| import com.intellij.usages.UsageToPsiElementProvider; |
| |
| /** |
| * @author Konstantin Bulenkov |
| */ |
| public class JavaUsageToPsiElementProvider extends UsageToPsiElementProvider { |
| private static final Language JAVA = Language.findLanguageByID("JAVA"); |
| private static final int MAX_HOPES = 17; |
| |
| @Override |
| public PsiElement getAppropriateParentFrom(PsiElement element) { |
| if (element.getLanguage() == JAVA) { |
| int hopes = 0; |
| while (hopes++ < MAX_HOPES && element != null) { |
| if (element instanceof PsiField || |
| element instanceof PsiMethod || |
| element instanceof ImportStatementElement || |
| element instanceof PsiClass |
| ) return element; |
| |
| element = element.getParent(); |
| } |
| } |
| return null; |
| } |
| } |