| /* |
| * 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.extensions.AbstractExtensionPointBean; |
| import com.intellij.openapi.util.NotNullLazyValue; |
| import com.intellij.util.KeyedLazyInstance; |
| import com.intellij.util.ReflectionUtil; |
| import com.intellij.util.xmlb.annotations.Attribute; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * @author peter |
| */ |
| public class WeigherExtensionPoint extends AbstractExtensionPointBean implements KeyedLazyInstance<Weigher> { |
| |
| // these must be public for scrambling compatibility |
| @Attribute("key") |
| public String key; |
| |
| @Attribute("implementationClass") |
| public String implementationClass; |
| |
| @Attribute("id") |
| public String id; |
| |
| private final NotNullLazyValue<Weigher> myHandler = new NotNullLazyValue<Weigher>() { |
| @Override |
| @NotNull |
| protected final Weigher compute() { |
| try { |
| Class<Weigher> tClass = findClass(implementationClass); |
| final Weigher weigher = ReflectionUtil.newInstance(tClass); |
| weigher.setDebugName(id); |
| return weigher; |
| } |
| catch (ClassNotFoundException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| }; |
| |
| @Override |
| public Weigher getInstance() { |
| return myHandler.getValue(); |
| } |
| |
| @Override |
| public String getKey() { |
| return key; |
| } |
| } |