001    package biweekly;
002    
003    import java.util.Collection;
004    
005    import biweekly.util.CaseClasses;
006    
007    /*
008     Copyright (c) 2013, Michael Angstadt
009     All rights reserved.
010    
011     Redistribution and use in source and binary forms, with or without
012     modification, are permitted provided that the following conditions are met: 
013    
014     1. Redistributions of source code must retain the above copyright notice, this
015     list of conditions and the following disclaimer. 
016     2. Redistributions in binary form must reproduce the above copyright notice,
017     this list of conditions and the following disclaimer in the documentation
018     and/or other materials provided with the distribution. 
019    
020     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
021     ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
022     WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
023     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
024     ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
025     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
026     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
027     ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
028     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
029     SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
030     */
031    
032    /**
033     * Defines the data type of a property's value.
034     * @author Michael Angstadt
035     * @rfc 5545 p.29-50
036     */
037    public class ICalDataType {
038            private static final CaseClasses<ICalDataType, String> enums = new CaseClasses<ICalDataType, String>(ICalDataType.class) {
039                    @Override
040                    protected ICalDataType create(String value) {
041                            return new ICalDataType(value);
042                    }
043    
044                    @Override
045                    protected boolean matches(ICalDataType dataType, String value) {
046                            return dataType.name.equalsIgnoreCase(value);
047                    }
048            };
049    
050            public static final ICalDataType BINARY = new ICalDataType("BINARY");
051            public static final ICalDataType BOOLEAN = new ICalDataType("BOOLEAN");
052            public static final ICalDataType CAL_ADDRESS = new ICalDataType("CAL-ADDRESS");
053            public static final ICalDataType DATE = new ICalDataType("DATE");
054            public static final ICalDataType DATE_TIME = new ICalDataType("DATE-TIME");
055            public static final ICalDataType DURATION = new ICalDataType("DURATION");
056            public static final ICalDataType FLOAT = new ICalDataType("FLOAT");
057            public static final ICalDataType INTEGER = new ICalDataType("INTEGER");
058            public static final ICalDataType PERIOD = new ICalDataType("PERIOD");
059            public static final ICalDataType RECUR = new ICalDataType("RECUR");
060            public static final ICalDataType TEXT = new ICalDataType("TEXT");
061            public static final ICalDataType TIME = new ICalDataType("TIME");
062            public static final ICalDataType URI = new ICalDataType("URI");
063            public static final ICalDataType UTC_OFFSET = new ICalDataType("UTC-OFFSET");
064    
065            private final String name;
066    
067            private ICalDataType(String name) {
068                    this.name = name;
069            }
070    
071            /**
072             * Gets the name of the data type.
073             * @return the name of the data type (e.g. "text")
074             */
075            public String getName() {
076                    return name;
077            }
078    
079            @Override
080            public String toString() {
081                    return name;
082            }
083    
084            /**
085             * Searches for a parameter value that is defined as a static constant in
086             * this class.
087             * @param value the parameter value
088             * @return the object or null if not found
089             */
090            public static ICalDataType find(String value) {
091                    return enums.find(value);
092            }
093    
094            /**
095             * Searches for a parameter value and creates one if it cannot be found. All
096             * objects are guaranteed to be unique, so they can be compared with
097             * {@code ==} equality.
098             * @param value the parameter value
099             * @return the object
100             */
101            public static ICalDataType get(String value) {
102                    return enums.get(value);
103            }
104    
105            /**
106             * Gets all of the parameter values that are defined as static constants in
107             * this class.
108             * @return the parameter values
109             */
110            public static Collection<ICalDataType> all() {
111                    return enums.all();
112            }
113    }