| /* |
| * Copyright (c) 2014, the Dart project authors. |
| * |
| * Licensed under the Eclipse Public License v1.0 (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.eclipse.org/legal/epl-v10.html |
| * |
| * 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.google.dart.engine.internal.index.file; |
| |
| import java.io.BufferedInputStream; |
| import java.io.BufferedOutputStream; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| |
| /** |
| * An implementation of {@link FileManager} that keeps each file in a separate file system file. |
| */ |
| public class SeparateFileManager implements FileManager { |
| private final File base; |
| |
| public SeparateFileManager(File base) { |
| this.base = base; |
| clear(); |
| } |
| |
| @Override |
| public void clear() { |
| File[] files = base.listFiles(); |
| if (files != null) { |
| for (File file : files) { |
| file.delete(); |
| } |
| } |
| } |
| |
| @Override |
| public void delete(String name) { |
| getFile(name).delete(); |
| } |
| |
| @Override |
| public InputStream openInputStream(String name) throws Exception { |
| File file = getFile(name); |
| if (!file.isFile()) { |
| return null; |
| } |
| InputStream stream = new FileInputStream(file); |
| return new BufferedInputStream(stream); |
| } |
| |
| @Override |
| public OutputStream openOutputStream(String name) throws Exception { |
| File file = getFile(name); |
| OutputStream stream = new FileOutputStream(file); |
| return new BufferedOutputStream(stream); |
| } |
| |
| private File getFile(String name) { |
| return new File(base, name); |
| } |
| } |