1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.eclipse.aether.internal.impl;
20
21 import java.io.File;
22 import java.util.Map;
23 import java.util.Properties;
24
25 /**
26 * Manages access to a properties file.
27 */
28 public interface TrackingFileManager {
29 /**
30 * Reads up the specified properties file into {@link Properties}, if exists, otherwise {@code null} is returned.
31 */
32 Properties read(File file);
33
34 /**
35 * Applies updates to specified properties file and returns resulting {@link Properties} with contents same
36 * as in updated file, never {@code null}.
37 */
38 Properties update(File file, Map<String, String> updates);
39 }