1 /*
2 * $Id: DayList.java [29-May-2004]
3 *
4 * Copyright (c) 2004, Ben Fortuna
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * o Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
14 * o Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * o Neither the name of Ben Fortuna nor the names of any other contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
25 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
26 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
27 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
28 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
29 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
30 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
31 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
32 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 */
34 package net.fortuna.ical4j.model;
35
36 import java.util.ArrayList;
37 import java.util.Iterator;
38 import java.util.List;
39 import java.util.StringTokenizer;
40
41 /***
42 * Defines a list of days.
43 * @author benfortuna
44 */
45 public class DayList {
46
47 private List days;
48
49 /***
50 * Constructor.
51 */
52 public DayList() {
53 days = new ArrayList();
54 }
55
56 /***
57 * Constructor.
58 * @param aString a string representation of a day list
59 */
60 public DayList(final String aString) {
61 days = new ArrayList();
62
63 for (StringTokenizer t = new StringTokenizer(aString, ","); t
64 .hasMoreTokens();) {
65 days.add(t.nextToken());
66 }
67 }
68
69 /***
70 * @param aDay a day to add to the list
71 * @return
72 */
73 public final boolean add(final String aDay) {
74 return days.add(aDay);
75 }
76
77 /***
78 * @return
79 */
80 public final boolean isEmpty() {
81 return days.isEmpty();
82 }
83
84 /***
85 * @return
86 */
87 public final Iterator iterator() {
88 return days.iterator();
89 }
90
91 /***
92 * @param aDay a day to remove from the list
93 * @return
94 */
95 public final boolean remove(final String aDay) {
96 return days.remove(aDay);
97 }
98
99 /***
100 * @return
101 */
102 public final int size() {
103 return days.size();
104 }
105
106
107 /***
108 * @see java.lang.Object#toString()
109 */
110 public final String toString() {
111 StringBuffer b = new StringBuffer();
112
113 for (Iterator i = iterator(); i.hasNext();) {
114 b.append(i.next());
115
116 if (i.hasNext()) {
117 b.append(',');
118 }
119 }
120
121 return b.toString();
122 }
123 }