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Java > Open Source Codes > org > objectweb > openccm > ast > lib > StringListImpl


1 /*====================================================================
2
3 OpenCCM: The Open CORBA Component Model Platform
4 Copyright (C) 2000-2004 INRIA & USTL - LIFL - GOAL
5 Contact: openccm@objectweb.org
6
7 This library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Lesser General Public
9 License as published by the Free Software Foundation; either
10 version 2.1 of the License, or any later version.
11
12 This library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Lesser General Public License for more details.
16
17 You should have received a copy of the GNU Lesser General Public
18 License along with this library; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20 USA
21
22 Initial developer(s): Philippe Merle, Mathieu Vadet.
23 Contributor(s): Christophe Demarey.
24
25 ====================================================================*/
26
27 package org.objectweb.openccm.ast.lib;
28
29 /**
30  * StringListImpl is a wrapper class for lists of strings.
31  *
32  *
33  * Inherits from:
34  *
35  * - ListBaseImpl: The base class for all lists.
36  *
37  * - StringList: OMG IDL for lists of strings.
38  *
39  *
40  * @author <a HREF="mailto:Philippe.Merle@lifl.fr">Philippe Merle</a>
41  *
42  * @version 0.1
43  */
44
45 public class StringListImpl
46        extends ListBaseImpl
47        implements org.objectweb.openccm.ast.api.StringList
48 {
49     // ==================================================================
50 //
51 // Internal state.
52 //
53 // ==================================================================
54
55     // ==================================================================
56 //
57 // Constructor.
58 //
59 // ==================================================================
60
61     /**
62      * The default constructor.
63      */
64     public
65     StringListImpl()
66     {
67         // Call the ListBaseImpl constructor.
68 super();
69     }
70
71     // ==================================================================
72 //
73 // Internal methods.
74 //
75 // ==================================================================
76
77     /*
78      * Check if an same element of the list is present several times
79      *
80      * @return : -1 if all elements are distinct
81      * the index of element present several times.
82      */
83     public int
84     checkSameItem()
85     {
86         for(int i=0; i<getSize(); i++)
87         {
88             String JavaDoc s1 = (String JavaDoc)get(i);
89
90             for(int j=i+1; j<getSize(); j++)
91             {
92                 String JavaDoc s2 = (String JavaDoc)get(j);
93
94                 if( s1.compareTo(s2) == 0 )
95                     return i;
96             }
97         }
98         return -1;
99     }
100
101     // ==================================================================
102 //
103 // Public methods.
104 //
105 // ==================================================================
106
107     // ==================================================================
108 //
109 // Methods for OMG IDL org.objectweb.openccm.ast.api.List
110 //
111 // ==================================================================
112
113     // ==================================================================
114 //
115 // Methods for OMG IDL org.objectweb.openccm.ast.api.StringList
116 //
117 // ==================================================================
118
119     /**
120      * Add a string to this list.
121      *
122      * @param s The string to add to the list.
123      */
124     public void
125     add(String JavaDoc s)
126     {
127         super.addObject(s);
128     }
129
130     /**
131      * Obtain all the strings added to this list.
132      *
133      * @return All the strings added to this list.
134      */
135     public String JavaDoc[]
136     getStrings()
137     {
138        return (String JavaDoc[])super.toArray(new String JavaDoc[0]);
139     }
140 }
141
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