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.apache.maven.cli;
20
21 import java.io.File;
22 import java.nio.file.Paths;
23
24 /**
25 * Resolve relative file path against the given base directory
26 */
27 public class ResolveFile {
28 public static File resolveFile(File file, String baseDirectory) {
29 if (file == null) {
30 return null;
31 } else if (file.isAbsolute()) {
32 return file;
33 } else if (file.getPath().startsWith(File.separator)) {
34 // drive-relative Windows path
35 return file.getAbsoluteFile();
36 } else {
37 return Paths.get(baseDirectory, file.getPath()).normalize().toFile();
38 }
39 }
40 }