| /* |
| * 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.patterns.compiler; |
| |
| import com.intellij.openapi.extensions.ExtensionPointName; |
| import com.intellij.util.ArrayUtil; |
| import com.intellij.util.containers.ConcurrentFactoryMap; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * @author Gregory.Shrago |
| */ |
| public class PatternCompilerFactoryImpl extends PatternCompilerFactory { |
| public static final ExtensionPointName<PatternClassBean> PATTERN_CLASS_EP = |
| new ExtensionPointName<PatternClassBean>("com.intellij.patterns.patternClass"); |
| |
| |
| private final Map<String, Class[]> myClasses = new ConcurrentFactoryMap<String, Class[]>() { |
| @Override |
| protected Class[] create(String key) { |
| final ArrayList<Class> result = new ArrayList<Class>(1); |
| final List<String> typeList = key == null? null : Arrays.asList(key.split(",|\\s")); |
| for (PatternClassBean bean : PATTERN_CLASS_EP.getExtensions()) { |
| if (typeList == null || typeList.contains(bean.getAlias())) result.add(bean.getPatternClass()); |
| } |
| return result.isEmpty()? ArrayUtil.EMPTY_CLASS_ARRAY : result.toArray(new Class[result.size()]); |
| } |
| }; |
| private final Map<List<Class>, PatternCompiler> myCompilers = new ConcurrentFactoryMap<List<Class>, PatternCompiler>() { |
| @Override |
| protected PatternCompiler create(List<Class> key) { |
| return new PatternCompilerImpl(key); |
| } |
| }; |
| |
| @NotNull |
| @Override |
| public Class[] getPatternClasses(String alias) { |
| return myClasses.get(alias); |
| } |
| |
| @NotNull |
| @Override |
| public <T> PatternCompiler<T> getPatternCompiler(@NotNull Class[] patternClasses) { |
| return myCompilers.get(Arrays.asList(patternClasses)); |
| } |
| } |