VectorTools


1   /**
2    * Copyright (C) 2003-2005 Funambol
3    *
4    * This program is free software; you can redistribute it and/or modify
5    * it under the terms of the GNU General Public License as published by
6    * the Free Software Foundation; either version 2 of the License, or
7    * (at your option) any later version.
8    *
9    * This program is distributed in the hope that it will be useful,
10   * but WITHOUT ANY WARRANTY; without even the implied warranty of
11   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12   * GNU General Public License for more details.
13   *
14   * You should have received a copy of the GNU General Public License
15   * along with this program; if not, write to the Free Software
16   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
17   */
18  
19  package sync4j.syncclient.common;
20  
21  import java.util.Vector  ;
22  
23  public class VectorTools {
24  
25      /**
26       * Adds all elements of the second vector to the first vector
27       * @param v1
28       * @param v2
29       */
30      public static void add(Vector   v1, Vector   v2) {
31          int numElements = v2.size();
32          for (int i=0; i<numElements; i++) {
33              v1.addElement(v2.elementAt(i));
34          }
35      }
36      
37      /**
38       * Adds all elements of the object array to the first vector
39       * @param v
40       * @param a
41       */
42      public static void add(Vector   v, Object  [] a) {
43          for (int i=0; i<a.length; i++) {
44              v.addElement(a[i]);
45          }
46      }
47      
48      /**
49       * Returns the content of the given vector as an array of String
50       *
51       * @param v the vector to convert - NULL = empty vector
52       *
53       * @return a String[] with the content of the vector
54       */
55      public static String  [] toStringArray(Vector   v) {
56          if (v == null) {
57              return new String  [0];
58          }
59          
60          String  [] ret = new String  [v.size()];
61          
62          for (int i=0; i<ret.length; ++i) {
63              ret[i] = (String  )v.elementAt(i);
64          }
65          
66          return ret;
67      }
68  }
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