src/net/fortuna/ical4j/model/parameter/Related.java

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1 /**
2 * Copyright (c) 2012, Ben Fortuna
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * o Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * o Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * o Neither the name of Ben Fortuna nor the names of any other contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32 package net.fortuna.ical4j.model.parameter;
33
34 import net.fortuna.ical4j.model.Parameter;
35 import net.fortuna.ical4j.model.ParameterFactoryImpl;
36 import net.fortuna.ical4j.util.Strings;
37
38 /**
39 * $Id$ [18-Apr-2004]
40 *
41 * Defines an Alarm Trigger Relationship parameter.
42 * @author benfortuna
43 */
44 public class Related extends Parameter {
45
46 private static final long serialVersionUID = 1570525804115869565L;
47
48 private static final String VALUE_START = "START";
49
50 private static final String VALUE_END = "END";
51
52 /**
53 * Trigger start.
54 */
55 public static final Related START = new Related(VALUE_START);
56
57 /**
58 * Trigger end.
59 */
60 public static final Related END = new Related(VALUE_END);
61
62 private String value;
63
64 /**
65 * @param aValue a string representation of an alarm trigger relationship
66 */
67 public Related(final String aValue) {
68 super(RELATED, ParameterFactoryImpl.getInstance());
69 this.value = Strings.unquote(aValue);
70
71 // value must be one of finite list..
72 if (!VALUE_START.equals(value) && !VALUE_END.equals(value)) {
73 throw new IllegalArgumentException("Invalid value [" + value + "]");
74 }
75 }
76
77 /**
78 * {@inheritDoc}
79 */
80 public final String getValue() {
81 return value;
82 }
83 }

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