1 package org.apache.maven.shared.utils.io;
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 javax.annotation.Nonnull;
23 import java.io.File;
24 import java.io.IOException;
25 import java.nio.file.Files;
26
27 /**
28 * Java7 feature detection
29 *
30 * @author Kristian Rosenvold
31 *
32 * @deprecated no longer needed, prefer to use {@link java.nio.file.Files} methods directly.
33 */
34 @Deprecated
35 public class Java7Support
36 {
37 /**
38 * @param file The file to check for being a symbolic link.
39 * @return true if the file is a symlink false otherwise.
40 */
41 public static boolean isSymLink( @Nonnull File file )
42 {
43 return Files.isSymbolicLink( file.toPath() );
44 }
45
46 /**
47 * @param symlink The sym link.
48 * @return The file.
49 * @throws IOException in case of error.
50 */
51 @Nonnull public static File readSymbolicLink( @Nonnull File symlink )
52 throws IOException
53 {
54 return Files.readSymbolicLink( symlink.toPath() ).toFile();
55 }
56
57 /**
58 * @param file The file to check.
59 * @return true if exist false otherwise.
60 * @throws IOException in case of failure.
61 */
62 public static boolean exists( @Nonnull File file )
63 throws IOException
64 {
65 return Files.exists( file.toPath() );
66 }
67
68 /**
69 * @param symlink The link name.
70 * @param target The target.
71 * @return The linked file.
72 * @throws IOException in case of an error.
73 */
74 @Nonnull public static File createSymbolicLink( @Nonnull File symlink, @Nonnull File target )
75 throws IOException
76 {
77 return FileUtils.createSymbolicLink( symlink, target );
78 }
79
80 /**
81 * Performs a nio delete
82 * @param file the file to delete
83 * @throws IOException in case of error.
84 */
85 public static void delete( @Nonnull File file )
86 throws IOException
87 {
88 Files.delete( file.toPath() );
89 }
90
91 /**
92 * @return true in case of Java 7.
93 */
94 public static boolean isJava7()
95 {
96 return true;
97 }
98
99 /**
100 * @return true in case of Java7 or greater.
101 */
102 public static boolean isAtLeastJava7()
103 {
104 return true;
105 }
106 }