1 package org.codehaus.mojo.natives.plugin;
2
3 /*
4 * The MIT License
5 *
6 * Copyright (c) 2005-2006, The Codehaus
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a copy of
9 * this software and associated documentation files (the "Software"), to deal in
10 * the Software without restriction, including without limitation the rights to
11 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
12 * of the Software, and to permit persons to whom the Software is furnished to do
13 * so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included in all
16 * copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 * SOFTWARE.
25 */
26
27 import java.util.ArrayList;
28 import java.util.List;
29 import org.codehaus.plexus.util.StringUtils;
30
31 public class NativeMojoUtils
32 {
33 /**
34 * Remove/trim empty or null member of a string array
35 *
36 * @param args
37 * @return
38 */
39 public static String[] trimParams( List args )
40 {
41 if ( args == null )
42 {
43 return new String[0];
44 }
45
46 List tokenArray = new ArrayList();
47
48 for ( int i = 0; i < args.size(); ++i )
49 {
50 String arg = (String) args.get( i );
51
52 if ( arg == null || arg.length() == 0 )
53 {
54 continue;
55 }
56
57 String[] tokens = StringUtils.split( arg );
58
59 for ( int k = 0; k < tokens.length; ++k )
60 {
61 if ( tokens[k] == null || tokens[k].trim().length() == 0 )
62 {
63 continue;
64 }
65
66 tokenArray.add( tokens[k].trim() );
67 }
68 }
69
70 return (String[]) tokenArray.toArray( new String[tokenArray.size()] );
71 }
72
73 }