001package biweekly.io.scribe.property;
002
003import biweekly.ICalVersion;
004import biweekly.io.WriteContext;
005import biweekly.property.Transparency;
006
007/*
008 Copyright (c) 2013-2015, 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 * Marshals {@link Transparency} properties.
034 * @author Michael Angstadt
035 */
036public class TransparencyScribe extends TextPropertyScribe<Transparency> {
037        public TransparencyScribe() {
038                super(Transparency.class, "TRANSP");
039        }
040
041        @Override
042        protected String _writeText(Transparency property, WriteContext context) {
043                if (context.getVersion() == ICalVersion.V1_0) {
044                        if (property.isOpaque()) {
045                                return "0";
046                        }
047                        if (property.isTransparent()) {
048                                return "1";
049                        }
050                }
051
052                return super._writeText(property, context);
053        }
054
055        @Override
056        protected Transparency newInstance(String value, ICalVersion version) {
057                if (version == ICalVersion.V1_0) {
058                        try {
059                                int intValue = Integer.parseInt(value);
060                                switch (intValue) {
061                                case 0:
062                                        return Transparency.opaque();
063                                case 1:
064                                        //values greater than "1" provide implementation-specific semantics
065                                        return Transparency.transparent();
066                                }
067                        } catch (NumberFormatException e) {
068                                //ignore
069                        }
070                }
071
072                return new Transparency(value);
073        }
074}