001    /*
002     * Copyright 2010-2015 JetBrains s.r.o.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    
017    package com.intellij.ide.plugins;
018    
019    import com.intellij.openapi.extensions.ExtensionPoint;
020    import com.intellij.openapi.extensions.ExtensionsArea;
021    import com.intellij.util.containers.ContainerUtil;
022    import org.jetbrains.annotations.NotNull;
023    import org.jetbrains.annotations.Nullable;
024    import org.jetbrains.kotlin.utils.UtilsPackage;
025    
026    import java.io.File;
027    import java.lang.reflect.Method;
028    import java.util.List;
029    import java.util.Set;
030    
031    // TODO drop this temporary hack to access to PluginManagerCore methods when CoreApplicationEnvironment got similar features.
032    public class PluginManagerCoreProxy {
033        private PluginManagerCoreProxy() {}
034    
035        @Nullable
036        public static IdeaPluginDescriptorImpl loadDescriptorFromDir(@NotNull File file, @NotNull String fileName) {
037            return PluginManagerCore.loadDescriptorFromDir(file, fileName);
038        }
039    
040        @Nullable
041        public static IdeaPluginDescriptorImpl loadDescriptorFromJar(@NotNull File file, @NotNull String fileName) {
042            try {
043                Method loadDescriptorFromJar = PluginManagerCore.class.getDeclaredMethod("loadDescriptorFromJar", File.class, String.class);
044                loadDescriptorFromJar.setAccessible(true);
045                return (IdeaPluginDescriptorImpl) loadDescriptorFromJar.invoke(null, file, fileName);
046            }
047            catch (Exception e) {
048                throw UtilsPackage.rethrow(e);
049            }
050        }
051    
052        // copied as is from PluginManagerCore#registerExtensionPointsAndExtensions
053        public static void registerExtensionPointsAndExtensions(ExtensionsArea area, List<IdeaPluginDescriptorImpl> loadedPlugins) {
054            for (IdeaPluginDescriptorImpl descriptor : loadedPlugins) {
055                descriptor.registerExtensionPoints(area);
056            }
057    
058            Set<String> epNames = ContainerUtil.newHashSet();
059            for (ExtensionPoint point : area.getExtensionPoints()) {
060                epNames.add(point.getName());
061            }
062    
063            for (IdeaPluginDescriptorImpl descriptor : loadedPlugins) {
064                for (String epName : epNames) {
065                    descriptor.registerExtensions(area, epName);
066                }
067            }
068        }
069    }