michael@0: /**
michael@0:  * Copyright (c) 2012, Ben Fortuna
michael@0:  * All rights reserved.
michael@0:  *
michael@0:  * Redistribution and use in source and binary forms, with or without
michael@0:  * modification, are permitted provided that the following conditions
michael@0:  * are met:
michael@0:  *
michael@0:  *  o Redistributions of source code must retain the above copyright
michael@0:  * notice, this list of conditions and the following disclaimer.
michael@0:  *
michael@0:  *  o Redistributions in binary form must reproduce the above copyright
michael@0:  * notice, this list of conditions and the following disclaimer in the
michael@0:  * documentation and/or other materials provided with the distribution.
michael@0:  *
michael@0:  *  o Neither the name of Ben Fortuna nor the names of any other contributors
michael@0:  * may be used to endorse or promote products derived from this software
michael@0:  * without specific prior written permission.
michael@0:  *
michael@0:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0:  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
michael@0:  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
michael@0:  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
michael@0:  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
michael@0:  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
michael@0:  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
michael@0:  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
michael@0:  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
michael@0:  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
michael@0:  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0:  */
michael@0: package net.fortuna.ical4j.model.property;
michael@0: 
michael@0: import net.fortuna.ical4j.model.ParameterList;
michael@0: import net.fortuna.ical4j.model.Property;
michael@0: import net.fortuna.ical4j.model.PropertyFactoryImpl;
michael@0: import net.fortuna.ical4j.model.ValidationException;
michael@0: import net.fortuna.ical4j.util.CompatibilityHints;
michael@0: 
michael@0: /**
michael@0:  * $Id$
michael@0:  * 
michael@0:  * Created: [Apr 6, 2004]
michael@0:  *
michael@0:  * Defines a CALSCALE iCalendar property.
michael@0:  * @author benf
michael@0:  */
michael@0: public class CalScale extends Property {
michael@0: 
michael@0:     private static final long serialVersionUID = 7446184786984981423L;
michael@0: 
michael@0:     /**
michael@0:      * Constant for Gregorian calendar representation.
michael@0:      */
michael@0:     public static final CalScale GREGORIAN = new ImmutableCalScale("GREGORIAN");
michael@0: 
michael@0:     /**
michael@0:      * @author Ben Fortuna An immutable instance of CalScale.
michael@0:      */
michael@0:     private static final class ImmutableCalScale extends CalScale {
michael@0: 
michael@0:         private static final long serialVersionUID = 1750949550694413878L;
michael@0: 
michael@0:         /**
michael@0:          * @param value
michael@0:          */
michael@0:         private ImmutableCalScale(final String value) {
michael@0:             super(new ParameterList(true), value);
michael@0:         }
michael@0: 
michael@0:         /**
michael@0:          * {@inheritDoc}
michael@0:          */
michael@0:         public void setValue(final String aValue) {
michael@0:             throw new UnsupportedOperationException(
michael@0:                     "Cannot modify constant instances");
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     private String value;
michael@0: 
michael@0:     /**
michael@0:      * Default constructor.
michael@0:      */
michael@0:     public CalScale() {
michael@0:         super(CALSCALE, PropertyFactoryImpl.getInstance());
michael@0:     }
michael@0: 
michael@0:     /**
michael@0:      * @param aValue a value string for this component
michael@0:      */
michael@0:     public CalScale(final String aValue) {
michael@0:         super(CALSCALE, PropertyFactoryImpl.getInstance());
michael@0:         this.value = aValue;
michael@0:     }
michael@0: 
michael@0:     /**
michael@0:      * @param aList a list of parameters for this component
michael@0:      * @param aValue a value string for this component
michael@0:      */
michael@0:     public CalScale(final ParameterList aList, final String aValue) {
michael@0:         super(CALSCALE, aList, PropertyFactoryImpl.getInstance());
michael@0:         this.value = aValue;
michael@0:     }
michael@0: 
michael@0:     /**
michael@0:      * {@inheritDoc}
michael@0:      */
michael@0:     public void setValue(final String aValue) {
michael@0:         this.value = aValue;
michael@0:     }
michael@0: 
michael@0:     /**
michael@0:      * {@inheritDoc}
michael@0:      */
michael@0:     public final String getValue() {
michael@0:         return value;
michael@0:     }
michael@0: 
michael@0:     /**
michael@0:      * {@inheritDoc}
michael@0:      */
michael@0:     public final void validate() throws ValidationException {
michael@0:     	if (CompatibilityHints.isHintEnabled(CompatibilityHints.KEY_RELAXED_VALIDATION)) {
michael@0:             if (!GREGORIAN.getValue().equalsIgnoreCase(value)) {
michael@0:                 throw new ValidationException("Invalid value [" + value + "]");
michael@0:             }
michael@0:     	}
michael@0:     	else {
michael@0:             if (!GREGORIAN.getValue().equals(value)) {
michael@0:                 throw new ValidationException("Invalid value [" + value + "]");
michael@0:             }
michael@0:     	}
michael@0:     }
michael@0: }