| /* |
| * 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; |
| |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.util.KeyedExtensionCollector; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.List; |
| |
| /** |
| * @author peter |
| */ |
| public class ReferenceProviderType { |
| @NonNls public static final String EP_NAME = "com.intellij.referenceProviderType"; |
| private static final Logger LOG = Logger.getInstance("#com.intellij.psi.ReferenceProviderType"); |
| private static final KeyedExtensionCollector<PsiReferenceProvider,ReferenceProviderType> COLLECTOR = |
| new KeyedExtensionCollector<PsiReferenceProvider, ReferenceProviderType>(EP_NAME) { |
| @NotNull |
| @Override |
| protected String keyToString(@NotNull final ReferenceProviderType key) { |
| return key.myId; |
| } |
| }; |
| private final String myId; |
| |
| public ReferenceProviderType(@NonNls @NotNull String id) { |
| myId = id; |
| } |
| |
| @NotNull |
| public PsiReferenceProvider getProvider() { |
| final List<PsiReferenceProvider> list = COLLECTOR.forKey(this); |
| LOG.assertTrue(list.size() == 1, list.toString()); |
| return list.get(0); |
| } |
| |
| public String toString() { |
| return myId; |
| } |
| |
| } |