| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.netbeans.modules.autoupdate.services; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Map; |
| import org.netbeans.api.autoupdate.UpdateUnit; |
| import org.openide.modules.Dependency; |
| import org.openide.modules.ModuleInfo; |
| |
| /** |
| * |
| * @author Jirka Rechtacek |
| */ |
| public class DependencyAggregator extends Object { |
| private static Map<DependencyDecoratorKey, DependencyAggregator> key2dependency = new HashMap<DependencyDecoratorKey, DependencyAggregator> (11, 11); |
| |
| private Collection<ModuleInfo> depending = new HashSet<ModuleInfo>(); |
| private final DependencyDecoratorKey key; |
| private static final Object LOCK = new Object(); |
| |
| private DependencyAggregator (DependencyDecoratorKey key) { |
| this.key = key; |
| } |
| |
| public static DependencyAggregator getAggregator (Dependency dep) { |
| DependencyDecoratorKey key = new DependencyDecoratorKey (dep.getName (), dep.getType (), dep.getComparison ()); |
| synchronized(LOCK) { |
| DependencyAggregator res = key2dependency.get (key); |
| if (res == null) { |
| res = new DependencyAggregator (key); |
| key2dependency.put (key, res); |
| } |
| return res; |
| } |
| } |
| |
| public int getType () { |
| return key.type; |
| } |
| |
| public String getName () { |
| return key.name; |
| } |
| |
| public boolean addDependee(ModuleInfo dependee) { |
| boolean result = false; |
| synchronized (depending) { |
| result = depending.add (dependee); |
| } |
| return result; |
| } |
| |
| public Collection<ModuleInfo> getDependening() { |
| return depending; |
| } |
| |
| static void clearMaps() { |
| key2dependency = new HashMap<DependencyDecoratorKey, DependencyAggregator> (11, 11); |
| } |
| |
| @Override |
| public String toString () { |
| return "DependencyDecorator[" + key.toString () + "]"; |
| } |
| |
| public static Collection<UpdateUnit> getRequested (Dependency dep) { |
| switch (dep.getType ()) { |
| case Dependency.TYPE_MODULE : |
| return Collections.singleton(UpdateManagerImpl.getInstance ().getUpdateUnit (dep.getName ())); |
| case Dependency.TYPE_NEEDS : |
| case Dependency.TYPE_REQUIRES : |
| case Dependency.TYPE_RECOMMENDS : |
| Collection<UpdateUnit> requestedUnits = new HashSet<UpdateUnit> (); |
| Collection<ModuleInfo> installedProviders = UpdateManagerImpl.getInstance ().getInstalledProviders (dep.getName ()); |
| if (installedProviders.isEmpty ()) { |
| Collection<ModuleInfo> availableProviders = UpdateManagerImpl.getInstance ().getAvailableProviders (dep.getName ()); |
| if (availableProviders.isEmpty ()) { |
| return null; |
| } else { |
| for (ModuleInfo mi : availableProviders) { |
| UpdateUnit availableUnit = UpdateManagerImpl.getInstance ().getUpdateUnit (mi.getCodeNameBase ()); |
| if (availableUnit != null) { |
| requestedUnits.add(availableUnit); |
| } |
| } |
| return requestedUnits; |
| } |
| } else { |
| for (ModuleInfo mi : installedProviders) { |
| UpdateUnit installedUnit = UpdateManagerImpl.getInstance ().getUpdateUnit (mi.getCodeNameBase ()); |
| if (installedUnit != null) { |
| requestedUnits.add(installedUnit); |
| } |
| } |
| return requestedUnits; |
| } |
| case Dependency.TYPE_JAVA : |
| case Dependency.TYPE_PACKAGE : |
| break; |
| } |
| return null; |
| } |
| |
| public static class DependencyDecoratorKey { |
| private final String name; |
| private final int type;//, comparison; |
| private final int hashCode; |
| public DependencyDecoratorKey (String name, int dependencyType, int comparison) { |
| this.name = name; |
| this.type = dependencyType; |
| this.hashCode = 772067 ^ type ^ name.hashCode (); |
| //this.comparison = comparison; |
| } |
| |
| @Override |
| public boolean equals (Object o) { |
| if (o.getClass() != DependencyDecoratorKey.class) { |
| return false; |
| } |
| |
| DependencyDecoratorKey d = (DependencyDecoratorKey) o; |
| |
| return (type == d.type) && name.equals(d.name); |
| } |
| |
| @Override |
| public int hashCode() { |
| return hashCode; |
| } |
| |
| @Override |
| public String toString () { |
| StringBuilder buf = new StringBuilder(100); |
| buf.append ("Key["); |
| |
| if (type == Dependency.TYPE_MODULE) { |
| buf.append("module "); // NOI18N |
| } else if (type == Dependency.TYPE_PACKAGE) { |
| buf.append("package "); // NOI18N |
| } else if (type == Dependency.TYPE_REQUIRES) { |
| buf.append("requires "); // NOI18N |
| } else if (type == Dependency.TYPE_NEEDS) { |
| buf.append("needs "); // NOI18N |
| } else if (type == Dependency.TYPE_RECOMMENDS) { |
| buf.append("recommends "); // NOI18N |
| } |
| |
| buf.append(name); |
| |
| buf.append (']'); |
| |
| return buf.toString(); |
| } |
| } |
| } |