1 /*
2 * $Id: ExDate.java [Apr 6, 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.property;
35
36 import java.text.ParseException;
37
38 import net.fortuna.ical4j.model.DateList;
39 import net.fortuna.ical4j.model.Parameter;
40 import net.fortuna.ical4j.model.ParameterList;
41 import net.fortuna.ical4j.model.Property;
42 import net.fortuna.ical4j.model.ValidationException;
43 import net.fortuna.ical4j.model.parameter.Value;
44 import net.fortuna.ical4j.util.ParameterValidator;
45
46 /***
47 * Defines a EXDATE iCalendar component property.
48 *
49 * @author benf
50 */
51 public class ExDate extends Property {
52
53 private DateList dates;
54
55 /***
56 * @param aList
57 * a list of parameters for this component
58 * @param aValue
59 * a value string for this component
60 * @throws ParseException
61 * where the specified value string is not a valid
62 * date-time/date representation
63 */
64 public ExDate(final ParameterList aList, final String aValue)
65 throws ParseException {
66 this(aList, new DateList(aValue, (Value) aList
67 .getParameter(Parameter.VALUE)));
68 }
69
70 /***
71 * @param aList
72 * a list of parameters for this component
73 * @param dList
74 * a list of dates
75 */
76 public ExDate(final ParameterList aList, final DateList dList) {
77 super(EXDATE, aList);
78
79 dates = dList;
80 }
81
82 /***
83 * @return Returns the dates.
84 */
85 public final DateList getDates() {
86 return dates;
87 }
88
89 /***
90 * @see net.fortuna.ical4j.model.Property#validate()
91 */
92 public final void validate() throws ValidationException {
93
94 /*
95 * ; the following are optional, ; but MUST NOT occur more than once
96 *
97 * (";" "VALUE" "=" ("DATE-TIME" / "DATE")) / (";" tzidparam) /
98 */
99 ParameterValidator.getInstance().validateOneOrLess(Parameter.VALUE,
100 getParameters());
101
102 Parameter valueParam = getParameters().getParameter(Parameter.VALUE);
103
104 if (valueParam != null
105 && !Value.DATE_TIME.equals(valueParam.getValue())
106 && !Value.DATE.equals(valueParam.getValue())) { throw new ValidationException(
107 "Parameter [" + Parameter.VALUE + "] is invalid"); }
108
109 ParameterValidator.getInstance().validateOneOrLess(Parameter.TZID,
110 getParameters());
111
112 /*
113 * ; the following is optional, ; and MAY occur more than once
114 *
115 * (";" xparam)
116 */
117 }
118
119 /*
120 * (non-Javadoc)
121 *
122 * @see net.fortuna.ical4j.model.Property#getValue()
123 */
124 public String getValue() {
125 return getDates().toString();
126 }
127 }