1 package org.apache.maven.cli;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.io.File;
23 import java.nio.file.Paths;
24
25 /**
26 * Resolve relative file path against the given base directory
27 */
28 public class ResolveFile
29 {
30 public static File resolveFile( File file, String baseDirectory )
31 {
32 if ( file == null )
33 {
34 return null;
35 }
36 else if ( file.isAbsolute() )
37 {
38 return file;
39 }
40 else if ( file.getPath().startsWith( File.separator ) )
41 {
42 // drive-relative Windows path
43 return file.getAbsoluteFile();
44 }
45 else
46 {
47 return Paths.get( baseDirectory, file.getPath() ).normalize().toFile();
48 }
49 }
50 }