| /* |
| * Copyright 2000-2014 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.maddyhome.idea.copyright.util; |
| |
| import com.intellij.openapi.Disposable; |
| import com.intellij.openapi.vfs.*; |
| import gnu.trove.THashSet; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.Collections; |
| import java.util.Set; |
| |
| public class NewFileTracker { |
| public static NewFileTracker getInstance() { |
| return instance; |
| } |
| |
| public boolean poll(@NotNull VirtualFile file) { |
| return newFiles.remove(file); |
| } |
| |
| private NewFileTracker() { |
| final VirtualFileManager virtualFileManager = VirtualFileManager.getInstance(); |
| virtualFileManager.addVirtualFileListener(new VirtualFileAdapter() { |
| @Override |
| public void fileCreated(@NotNull VirtualFileEvent event) { |
| if (event.isFromRefresh()) return; |
| newFiles.add(event.getFile()); |
| } |
| }); |
| } |
| |
| private final Set<VirtualFile> newFiles = Collections.synchronizedSet(new THashSet<VirtualFile>()); |
| private static final NewFileTracker instance = new NewFileTracker(); |
| |
| public void clear() { |
| newFiles.clear(); |
| } |
| } |