| /* |
| * 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.apache.sling.ide.eclipse.ui.nav.model; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.eclipse.core.resources.IFolder; |
| |
| /** |
| * TODO: Currently static - change into a service |
| * <p> |
| * This manager keeps track of SyncDir (models) and allows to |
| * register a listener that gets informed if the model changes. |
| * <p> |
| * Alternative would be to move the update/listener mechanism |
| * into the SyncDir object itself.. |
| */ |
| public class SyncDirManager { |
| |
| private static Map<IFolder,SyncDir> syncDirs = new HashMap<>(); |
| private static List<UpdateHandler> handlers = new LinkedList<>(); |
| |
| public static void registerNewSyncDir(SyncDir syncDir) { |
| syncDirs.put(syncDir.getFolder(), syncDir); |
| syncDirChanged(syncDir); |
| } |
| |
| public static void syncDirChanged(SyncDir syncDir) { |
| List<UpdateHandler> handlersCopy; |
| synchronized(handlers) { |
| handlersCopy = new ArrayList<>(handlers); |
| } |
| for (UpdateHandler updateHandler : handlersCopy) { |
| updateHandler.syncDirUpdated(syncDir); |
| } |
| } |
| |
| public static SyncDir getSyncDirOrNull(IFolder folder) { |
| return syncDirs.get(folder); |
| } |
| |
| public static void registerUpdateListener(UpdateHandler updateHandler) { |
| synchronized(handlers) { |
| handlers.add(updateHandler); |
| } |
| } |
| |
| } |