| /* |
| * 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.openide.filesystems; |
| |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| import org.openide.modules.PatchFor; |
| import org.openide.util.actions.SystemAction; |
| |
| /** |
| * |
| * @author sdedic |
| */ |
| @PatchFor(MultiFileSystem.class) |
| public abstract class MultiFileSystemCompat extends FileSystem { |
| /** Merge actions from all delegates. |
| */ |
| public SystemAction[] getActions() { |
| List<SystemAction> al = new ArrayList<SystemAction>(101); // randomly choosen constant |
| Set<SystemAction> uniq = new HashSet<SystemAction>(101); // not that randommly choosen |
| |
| FileSystem[] del = this.getDelegates(); |
| |
| for (int i = 0; i < del.length; i++) { |
| if (del[i] == null) { |
| continue; |
| } |
| |
| SystemAction[] acts = compat(del[i]).getActions(); |
| |
| for (int j = 0; j < acts.length; j++) { |
| if (uniq.add(acts[j])) { |
| al.add(acts[j]); |
| } |
| } |
| } |
| |
| return al.toArray(new SystemAction[al.size()]); |
| } |
| |
| public SystemAction[] getActions(final Set<FileObject> foSet) { |
| List<SystemAction> al = new ArrayList<SystemAction>(101); // randomly choosen constant |
| Set<SystemAction> uniq = new HashSet<SystemAction>(101); // not that randommly choosen |
| |
| final FileSystem[] del = this.getDelegates(); |
| |
| for (int i = 0; i < del.length; i++) { |
| if (del[i] == null) { |
| continue; |
| } |
| |
| final SystemAction[] acts = compat(del[i]).getActions(foSet); |
| |
| for (int j = 0; j < acts.length; j++) { |
| if (uniq.add(acts[j])) { |
| al.add(acts[j]); |
| } |
| } |
| } |
| |
| return al.toArray(new SystemAction[al.size()]); |
| } |
| |
| static FileSystemCompat compat(FileSystem fs) { |
| Object o = fs; |
| return (FileSystemCompat)o; |
| } |
| |
| /** Lets any sub filesystems prepare the environment. |
| * If they do not support it, it does not care. |
| * @deprecated Useless. |
| */ |
| @Deprecated |
| public void prepareEnvironment(FileSystem$Environment env) |
| throws EnvironmentNotSupportedException { |
| FileSystem[] layers = getDelegates(); |
| |
| for (int i = 0; i < layers.length; i++) { |
| if (layers[i] != null) { |
| try { |
| compat(layers[i]).prepareEnvironment(env); |
| } catch (EnvironmentNotSupportedException ense) { |
| // Fine. |
| } |
| } |
| } |
| } |
| |
| protected abstract FileSystem[] getDelegates(); |
| } |