001    package ezvcard.property;
002    
003    import java.util.List;
004    
005    import ezvcard.VCard;
006    import ezvcard.VCardVersion;
007    import ezvcard.Warning;
008    
009    /*
010     Copyright (c) 2013, Michael Angstadt
011     All rights reserved.
012    
013     Redistribution and use in source and binary forms, with or without
014     modification, are permitted provided that the following conditions are met: 
015    
016     1. Redistributions of source code must retain the above copyright notice, this
017     list of conditions and the following disclaimer. 
018     2. Redistributions in binary form must reproduce the above copyright notice,
019     this list of conditions and the following disclaimer in the documentation
020     and/or other materials provided with the distribution. 
021    
022     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
023     ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
024     WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
025     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
026     ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
027     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
028     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
029     ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
030     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
031     SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
032    
033     The views and conclusions contained in the software and documentation are those
034     of the authors and should not be interpreted as representing official policies, 
035     either expressed or implied, of the FreeBSD Project.
036     */
037    
038    /**
039     * Represents a property whose data model consists of a single Java object.
040     * @param <T> the class of the property's value
041     * @author Michael Angstadt
042     */
043    public class SimpleProperty<T> extends VCardProperty {
044            protected T value;
045    
046            /**
047             * Creates a valued property
048             * @param value the value
049             */
050            public SimpleProperty(T value) {
051                    this.value = value;
052            }
053    
054            /**
055             * Gets the value of this property.
056             * @return the value or null if not set
057             */
058            public T getValue() {
059                    return value;
060            }
061    
062            /**
063             * Sets the value of this property.
064             * @param value the value
065             */
066            public void setValue(T value) {
067                    this.value = value;
068            }
069    
070            @Override
071            protected void _validate(List<Warning> warnings, VCardVersion version, VCard vcard) {
072                    if (value == null) {
073                            warnings.add(new Warning(8));
074                    }
075            }
076    }