001    package biweekly.parameter;
002    
003    /*
004     Copyright (c) 2013, Michael Angstadt
005     All rights reserved.
006    
007     Redistribution and use in source and binary forms, with or without
008     modification, are permitted provided that the following conditions are met: 
009    
010     1. Redistributions of source code must retain the above copyright notice, this
011     list of conditions and the following disclaimer. 
012     2. Redistributions in binary form must reproduce the above copyright notice,
013     this list of conditions and the following disclaimer in the documentation
014     and/or other materials provided with the distribution. 
015    
016     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
017     ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
018     WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
019     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
020     ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
021     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
022     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
023     ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
024     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
025     SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
026     */
027    
028    /**
029     * Defines whether a calendar user is free or busy over a time period.
030     * @author Michael Angstadt
031     * @see <a href="http://tools.ietf.org/html/rfc5545#page-20">RFC 5545 p.20-1</a>
032     */
033    public class FreeBusyType extends EnumParameterValue {
034            private static final ICalParameterCaseClasses<FreeBusyType> enums = new ICalParameterCaseClasses<FreeBusyType>(FreeBusyType.class);
035    
036            public static final FreeBusyType FREE = new FreeBusyType("FREE");
037            public static final FreeBusyType BUSY = new FreeBusyType("BUSY");
038            public static final FreeBusyType BUSY_UNAVAILABLE = new FreeBusyType("BUSY-UNAVAILABLE");
039            public static final FreeBusyType BUSY_TENTATIVE = new FreeBusyType("BUSY-TENTATIVE");
040    
041            private FreeBusyType(String value) {
042                    super(value);
043            }
044    
045            /**
046             * Searches for a parameter value that is defined as a static constant in
047             * this class.
048             * @param value the parameter value
049             * @return the object or null if not found
050             */
051            public static FreeBusyType find(String value) {
052                    return enums.find(value);
053            }
054    
055            /**
056             * Searches for a parameter value and creates one if it cannot be found. All
057             * objects are guaranteed to be unique, so they can be compared with
058             * <code>==</code> equality.
059             * @param value the parameter value
060             * @return the object
061             */
062            public static FreeBusyType get(String value) {
063                    return enums.get(value);
064            }
065    }