Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
PathSet |
|
| 1.3157894736842106;1,316 |
1 | package org.apache.maven.plugin.war.util; | |
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 org.codehaus.plexus.util.DirectoryScanner; | |
23 | import org.codehaus.plexus.util.StringUtils; | |
24 | ||
25 | import java.io.File; | |
26 | import java.util.Collection; | |
27 | import java.util.HashSet; | |
28 | import java.util.Iterator; | |
29 | import java.util.LinkedHashSet; | |
30 | import java.util.Set; | |
31 | ||
32 | /** | |
33 | * Set of file's paths. | |
34 | * <p/> | |
35 | * The class extends functionality of a "normal" set of strings by a process of | |
36 | * the paths normalization. All paths are converted to unix form (slashes) and | |
37 | * they don't start with starting /. | |
38 | * | |
39 | * @author Piotr Tabor | |
40 | * @version $Id: PathSet.java 791368 2009-07-06 04:08:27Z snicoll $ | |
41 | */ | |
42 | ||
43 | public class PathSet | |
44 | { | |
45 | ||
46 | /** | |
47 | * Set of normalized paths | |
48 | */ | |
49 | 784 | private Set/* <String> */pathsSet = new LinkedHashSet(); |
50 | ||
51 | /** | |
52 | * The method normalizes the path. | |
53 | * <p/> | |
54 | * <ul> | |
55 | * <li>changes directory separator to unix's separator(/)</li> | |
56 | * <li>deletes all trailing slashes</li> | |
57 | * </ul> | |
58 | * | |
59 | * @param path to normalization | |
60 | * @return normalized path | |
61 | */ | |
62 | protected String normalizeFilePath( String path ) | |
63 | { | |
64 | 4936 | return normalizeFilePathStatic( path ); |
65 | } | |
66 | ||
67 | /*-------------------- Business interface ------------------------------*/ | |
68 | ||
69 | /** | |
70 | * Creates an empty paths set | |
71 | */ | |
72 | public PathSet() | |
73 | 468 | { |
74 | /*Empty default constructor*/ | |
75 | 468 | } |
76 | ||
77 | /** | |
78 | * Creates paths set and normalizate and adds all 'paths'. | |
79 | * The source 'paths' will not be changed | |
80 | * | |
81 | * @param paths to be added | |
82 | */ | |
83 | public PathSet( Collection/*String>*/ paths ) | |
84 | 2 | { |
85 | 2 | addAll( paths ); |
86 | 2 | } |
87 | ||
88 | /** | |
89 | * Creates paths set and normalizate and adds all 'paths'. | |
90 | * The source 'paths' will not be changed | |
91 | * | |
92 | * @param paths to be added | |
93 | */ | |
94 | public PathSet( String[] paths ) | |
95 | 314 | { |
96 | 314 | addAll( paths ); |
97 | 314 | } |
98 | ||
99 | /** | |
100 | * Normalizes and adds given path to the set. | |
101 | * | |
102 | * @param path to be added | |
103 | */ | |
104 | public void add( String path ) | |
105 | { | |
106 | 1962 | pathsSet.add( normalizeFilePath( path ) ); |
107 | 1962 | } |
108 | ||
109 | /** | |
110 | * Normalizes and adds given paths (collection of strings) | |
111 | * to the set. The source collection will not be changed | |
112 | * | |
113 | * @param paths - collection of strings to be added | |
114 | * @param prefix added to all given paths | |
115 | */ | |
116 | public void addAll( Collection/*<String>*/ paths, String prefix ) | |
117 | { | |
118 | 4 | for ( Iterator iter = paths.iterator(); iter.hasNext(); ) |
119 | { | |
120 | 16 | add( prefix + iter.next() ); |
121 | } | |
122 | 4 | } |
123 | ||
124 | /** | |
125 | * Normalizes and adds given paths to the set. | |
126 | * The source collection will not be changed | |
127 | * | |
128 | * @param paths to be added | |
129 | * @param prefix added to all given paths | |
130 | */ | |
131 | public void addAll( String[] paths, String prefix ) | |
132 | { | |
133 | 1054 | for ( int i = 0; i < paths.length; i++ ) |
134 | { | |
135 | 728 | add( prefix + paths[i] ); |
136 | } | |
137 | 326 | } |
138 | ||
139 | /** | |
140 | * Adds given paths to the set. | |
141 | * The source collection will not be changed | |
142 | * | |
143 | * @param paths to be added | |
144 | * @param prefix added to all given paths | |
145 | */ | |
146 | public void addAll( PathSet paths, String prefix ) | |
147 | { | |
148 | 32 | for ( Iterator iter = paths.iterator(); iter.hasNext(); ) |
149 | { | |
150 | 82 | add( prefix + iter.next() ); |
151 | } | |
152 | 32 | } |
153 | ||
154 | /** | |
155 | * Normalizes and adds given paths (collection of strings) | |
156 | * to the set. The source collection will not be changed | |
157 | * | |
158 | * @param paths - collection of strings to be added | |
159 | */ | |
160 | public void addAll( Collection/*<String>*/ paths ) | |
161 | { | |
162 | 4 | addAll( paths, "" ); |
163 | 4 | } |
164 | ||
165 | /** | |
166 | * Normalizes and adds given paths to the set. | |
167 | * The source collection will not be changed | |
168 | * | |
169 | * @param paths to be added | |
170 | */ | |
171 | public void addAll( String[] paths ) | |
172 | { | |
173 | 316 | addAll( paths, "" ); |
174 | 316 | } |
175 | ||
176 | /** | |
177 | * Adds given paths to the set. | |
178 | * The source collection will not be changed | |
179 | * | |
180 | * @param paths to be added | |
181 | */ | |
182 | public void addAll( PathSet paths ) | |
183 | { | |
184 | 32 | addAll( paths, "" ); |
185 | 32 | } |
186 | ||
187 | /** | |
188 | * Checks if the set constains given path. The path is normalized | |
189 | * before check. | |
190 | * | |
191 | * @param path we are looking for in the set. | |
192 | * @return information if the set constains the path. | |
193 | */ | |
194 | public boolean contains( String path ) | |
195 | { | |
196 | 2968 | return pathsSet.contains( normalizeFilePath( path ) ); |
197 | } | |
198 | ||
199 | /** | |
200 | * Removes the specified path if it exists. | |
201 | * | |
202 | * @param path the path to remove | |
203 | * @return true if the path was removed, false if it did not existed | |
204 | */ | |
205 | boolean remove( String path ) | |
206 | { | |
207 | 2 | final String normalizedPath = normalizeFilePath( path ); |
208 | 2 | return pathsSet.remove( normalizedPath ); |
209 | ||
210 | } | |
211 | ||
212 | /** | |
213 | * Returns iterator of normalized paths (strings) | |
214 | * | |
215 | * @return iterator of normalized paths (strings) | |
216 | */ | |
217 | public Iterator iterator() | |
218 | { | |
219 | 482 | return pathsSet.iterator(); |
220 | } | |
221 | ||
222 | /** | |
223 | * Adds given prefix to all paths in the set. | |
224 | * <p/> | |
225 | * The prefix should be ended by '/'. The generated paths are normalized. | |
226 | * | |
227 | * @param prefix to be added to all items | |
228 | */ | |
229 | public void addPrefix( String prefix ) | |
230 | { | |
231 | 2 | final Set/*<String>*/ newSet = new HashSet(); |
232 | 2 | for ( Iterator iter = pathsSet.iterator(); iter.hasNext(); ) |
233 | { | |
234 | 4 | String path = (String) iter.next(); |
235 | 4 | newSet.add( normalizeFilePath( prefix + path ) ); |
236 | 4 | } |
237 | 2 | pathsSet = newSet; |
238 | 2 | } |
239 | ||
240 | /** | |
241 | * Returns count of the paths in the set | |
242 | * | |
243 | * @return count of the paths in the set | |
244 | */ | |
245 | public int size() | |
246 | { | |
247 | 32 | return pathsSet.size(); |
248 | } | |
249 | ||
250 | /** | |
251 | * Adds to the set all files in the given directory | |
252 | * | |
253 | * @param directory that will be searched for file's paths to add | |
254 | * @param prefix to be added to all found files | |
255 | */ | |
256 | public void addAllFilesInDirectory( File directory, String prefix ) | |
257 | { | |
258 | 6 | DirectoryScanner scanner = new DirectoryScanner(); |
259 | 6 | scanner.setBasedir( directory ); |
260 | 6 | scanner.scan(); |
261 | 6 | addAll( scanner.getIncludedFiles(), prefix ); |
262 | 6 | } |
263 | ||
264 | /*-------------------- Universal static mathods ------------------------*/ | |
265 | /** | |
266 | * The method normalizes the path. | |
267 | * <p/> | |
268 | * <ul> | |
269 | * <li>changes directory separator to unix's separator(/)</li> | |
270 | * <li>deletes all trailing slashes</li> | |
271 | * </ul> | |
272 | * | |
273 | * @param path to normalization | |
274 | * @return normalized path | |
275 | */ | |
276 | public static String normalizeFilePathStatic( String path ) | |
277 | { | |
278 | 4966 | return trimTrailingSlashes( StringUtils.replace( path, '\\', '/' ) ); |
279 | } | |
280 | ||
281 | /** | |
282 | * The method deletes all trailing slashes from the given string | |
283 | * | |
284 | * @param str a string | |
285 | * @return trimed string | |
286 | */ | |
287 | public static String trimTrailingSlashes( String str ) | |
288 | { | |
289 | int i; | |
290 | 4984 | for ( i = 0; i < str.length() && str.charAt( i ) == '/'; i++ ) |
291 | { | |
292 | // just calculate i | |
293 | } | |
294 | 4984 | return str.substring( i ); |
295 | } | |
296 | ||
297 | } |