1 /*
2 * $Id: Related.java [18-Apr-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.parameter;
35
36 import net.fortuna.ical4j.model.Parameter;
37
38 /***
39 * Defines an Alarm Trigger Relationship parameter.
40 * @author benfortuna
41 */
42 public class Related extends Parameter {
43
44 public static final String START = "START";
45
46 public static final String END = "END";
47
48 private String value;
49
50 /***
51 * @param aValue a string representation of an alarm
52 * trigger relationship
53 */
54 public Related(final String aValue) {
55 super(RELATED);
56
57 this.value = aValue;
58
59 // value must be one of finite list..
60 if (!START.equals(value)
61 && !END.equals(value)) {
62 throw new IllegalArgumentException("Invalid value [" + value + "]");
63 }
64 }
65
66 /* (non-Javadoc)
67 * @see net.fortuna.ical4j.model.Parameter#getValue()
68 */
69 public String getValue() {
70 return value;
71 }
72 }