1 /*
2 * Copyright 2006-2012 smartics, Kronseder & Reiner GmbH
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package de.smartics.maven.util;
17
18 import java.io.File;
19 import java.util.ArrayList;
20 import java.util.List;
21
22 import org.apache.maven.artifact.Artifact;
23 import org.codehaus.plexus.util.StringUtils;
24
25 /**
26 * Utilities for handling paths Maven.
27 *
28 * @author <a href="mailto:robert.reiner@smartics.de">Robert Reiner</a>
29 * @version $Revision:591 $
30 */
31 public final class PathUtils
32 {
33 // ********************************* Fields *********************************
34
35 // --- constants ------------------------------------------------------------
36
37 // --- members --------------------------------------------------------------
38
39 // ****************************** Initializer *******************************
40
41 // ****************************** Constructors ******************************
42
43 /**
44 * Utility class pattern.
45 */
46 private PathUtils()
47 {
48 }
49
50 // ****************************** Inner Classes *****************************
51
52 // ********************************* Methods ********************************
53
54 // --- init -----------------------------------------------------------------
55
56 // --- get&set --------------------------------------------------------------
57
58 // --- business -------------------------------------------------------------
59
60 /**
61 * Builds a class path string from the list of artifacts.
62 *
63 * @param artifacts the artifacts to include into the class path.
64 * @param pathSeparator the separator to put between the path elements.
65 * @return the generated class path string.
66 */
67 public static String toClassPathString(final List<Artifact> artifacts,
68 final char pathSeparator)
69 {
70 final StringBuffer buffer = new StringBuffer(1024);
71
72 for (Artifact artifact : artifacts)
73 {
74 final File file = artifact.getFile();
75 final String path = file.getPath();
76 buffer.append(path).append(pathSeparator);
77 }
78
79 return StringUtils.chop(buffer.toString());
80 }
81
82 /**
83 * Builds a class path from the list of artifacts.
84 *
85 * @param artifacts the artifacts to include into the class path.
86 * @return the generated class path elements ({@link String}s).
87 */
88 public static List<String> toClassPath(final List<Artifact> artifacts)
89 {
90 final List<String> classPathElements =
91 new ArrayList<String>(artifacts.size());
92
93 for (Artifact artifact : artifacts)
94 {
95 final File file = artifact.getFile();
96 final String path = file.getPath();
97 classPathElements.add(path);
98 }
99
100 return classPathElements;
101 }
102
103 /**
104 * Checks if any elements of the list of directory roots exists.
105 *
106 * @param roots the directory roots check for existence.
107 * @return <code>true</code> if at least one of the roots exists,
108 * <code>false</code> otherwise.
109 */
110 public static boolean exists(final List<String> roots)
111 {
112 for (String root : roots)
113 {
114 final File rootDir = new File(root);
115 if (rootDir.isDirectory())
116 {
117 return true;
118 }
119 }
120 return false;
121 }
122
123 public static String getUpPath(final String relativePath)
124 {
125 if (StringUtils.isBlank(relativePath))
126 {
127 return (".");
128 }
129 final String normalized = relativePath.replace('\\', '/');
130 final int count = StringUtils.countMatches(normalized, "/");
131 if (count > 0)
132 {
133 final String path = StringUtils.repeat("../", count + 1);
134 return StringUtils.chop(path);
135 }
136 else
137 {
138 return ("..");
139 }
140 }
141
142 // --- object basics --------------------------------------------------------
143
144 }