001    package ezvcard.parameter;
002    
003    import java.lang.reflect.Constructor;
004    
005    import ezvcard.VCardVersion;
006    import ezvcard.util.CaseClasses;
007    
008    /*
009     Copyright (c) 2013, Michael Angstadt
010     All rights reserved.
011    
012     Redistribution and use in source and binary forms, with or without
013     modification, are permitted provided that the following conditions are met: 
014    
015     1. Redistributions of source code must retain the above copyright notice, this
016     list of conditions and the following disclaimer. 
017     2. Redistributions in binary form must reproduce the above copyright notice,
018     this list of conditions and the following disclaimer in the documentation
019     and/or other materials provided with the distribution. 
020    
021     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
022     ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
023     WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
024     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
025     ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
026     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
027     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
028     ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
029     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
030     SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
031     */
032    
033    /**
034     * Manages the list of pre-defined values for a parameter that consists of a
035     * single String value.
036     * @author Michael Angstadt
037     * @param <T> the parameter class
038     */
039    public class VCardParameterCaseClasses<T extends VCardParameter> extends CaseClasses<T, String> {
040            public VCardParameterCaseClasses(Class<T> clazz) {
041                    super(clazz);
042            }
043    
044            @Override
045            protected T create(String value) {
046                    //reflection: return new ClassName(value);
047                    try {
048                            //try (String) constructor
049                            Constructor<T> constructor = clazz.getDeclaredConstructor(String.class);
050                            constructor.setAccessible(true);
051                            return constructor.newInstance(value);
052                    } catch (Exception e) {
053                            try {
054                                    //try (String, VCardVersion...) constructor
055                                    Constructor<T> constructor = clazz.getDeclaredConstructor(String.class, VCardVersion[].class);
056                                    constructor.setAccessible(true);
057                                    return constructor.newInstance(value, new VCardVersion[] {});
058                            } catch (Exception e2) {
059                                    throw new RuntimeException(e2);
060                            }
061                    }
062            }
063    
064            @Override
065            protected boolean matches(T object, String value) {
066                    return object.getValue().equalsIgnoreCase(value);
067            }
068    }