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comparison: src/net/fortuna/ical4j/model/property/Version.java
src/net/fortuna/ical4j/model/property/Version.java
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| 1 /** | |
| 2 * Copyright (c) 2012, Ben Fortuna | |
| 3 * All rights reserved. | |
| 4 * | |
| 5 * Redistribution and use in source and binary forms, with or without | |
| 6 * modification, are permitted provided that the following conditions | |
| 7 * are met: | |
| 8 * | |
| 9 * o Redistributions of source code must retain the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer. | |
| 11 * | |
| 12 * o Redistributions in binary form must reproduce the above copyright | |
| 13 * notice, this list of conditions and the following disclaimer in the | |
| 14 * documentation and/or other materials provided with the distribution. | |
| 15 * | |
| 16 * o Neither the name of Ben Fortuna nor the names of any other contributors | |
| 17 * may be used to endorse or promote products derived from this software | |
| 18 * without specific prior written permission. | |
| 19 * | |
| 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR | |
| 24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 27 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
| 28 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
| 29 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
| 30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 31 */ | |
| 32 package net.fortuna.ical4j.model.property; | |
| 33 | |
| 34 import net.fortuna.ical4j.model.ParameterList; | |
| 35 import net.fortuna.ical4j.model.Property; | |
| 36 import net.fortuna.ical4j.model.PropertyFactoryImpl; | |
| 37 import net.fortuna.ical4j.model.ValidationException; | |
| 38 | |
| 39 /** | |
| 40 * $Id$ | |
| 41 * | |
| 42 * Created: [Apr 6, 2004] | |
| 43 * | |
| 44 * Defines a VERSION iCalendar property. When creating a new calendar you should always add a version property with | |
| 45 * value "2.0". There is actually a constant defined in the Version class for this. e.g: | |
| 46 * <code> Calendar calendar = new Calendar();</code> | |
| 47 * <code> calendar.getProperties().add(Version.VERSION_2_0);</code> | |
| 48 * @author Ben Fortuna | |
| 49 */ | |
| 50 public class Version extends Property { | |
| 51 | |
| 52 private static final long serialVersionUID = 8872508067309087704L; | |
| 53 | |
| 54 /** | |
| 55 * iCalendar version 2.0. | |
| 56 */ | |
| 57 public static final Version VERSION_2_0 = new ImmutableVersion("2.0"); | |
| 58 | |
| 59 /** | |
| 60 * @author Ben Fortuna An immutable instance of Version. | |
| 61 */ | |
| 62 private static final class ImmutableVersion extends Version { | |
| 63 | |
| 64 private static final long serialVersionUID = -5040679357859594835L; | |
| 65 | |
| 66 private ImmutableVersion(final String value) { | |
| 67 super(new ParameterList(true), value); | |
| 68 } | |
| 69 | |
| 70 public void setValue(final String aValue) { | |
| 71 throw new UnsupportedOperationException( | |
| 72 "Cannot modify constant instances"); | |
| 73 } | |
| 74 | |
| 75 public void setMaxVersion(final String maxVersion) { | |
| 76 throw new UnsupportedOperationException( | |
| 77 "Cannot modify constant instances"); | |
| 78 } | |
| 79 | |
| 80 public void setMinVersion(final String minVersion) { | |
| 81 throw new UnsupportedOperationException( | |
| 82 "Cannot modify constant instances"); | |
| 83 } | |
| 84 } | |
| 85 | |
| 86 private String minVersion; | |
| 87 | |
| 88 private String maxVersion; | |
| 89 | |
| 90 /** | |
| 91 * Default constructor. | |
| 92 */ | |
| 93 public Version() { | |
| 94 super(VERSION, PropertyFactoryImpl.getInstance()); | |
| 95 } | |
| 96 | |
| 97 /** | |
| 98 * @param aList a list of parameters for this component | |
| 99 * @param aValue a value string for this component | |
| 100 */ | |
| 101 public Version(final ParameterList aList, final String aValue) { | |
| 102 super(VERSION, aList, PropertyFactoryImpl.getInstance()); | |
| 103 if (aValue.indexOf(';') >= 0) { | |
| 104 this.minVersion = aValue.substring(0, aValue.indexOf(';') - 1); | |
| 105 this.maxVersion = aValue.substring(aValue.indexOf(';')); | |
| 106 } | |
| 107 else { | |
| 108 this.maxVersion = aValue; | |
| 109 } | |
| 110 } | |
| 111 | |
| 112 /** | |
| 113 * @param minVersion a string representation of the minimum version | |
| 114 * @param maxVersion a string representation of the maximum version | |
| 115 */ | |
| 116 public Version(final String minVersion, final String maxVersion) { | |
| 117 super(VERSION, PropertyFactoryImpl.getInstance()); | |
| 118 this.minVersion = minVersion; | |
| 119 this.maxVersion = maxVersion; | |
| 120 } | |
| 121 | |
| 122 /** | |
| 123 * @param aList a list of parameters for this component | |
| 124 * @param aVersion1 a string representation of the minimum version | |
| 125 * @param aVersion2 a string representation of the maximum version | |
| 126 */ | |
| 127 public Version(final ParameterList aList, final String aVersion1, | |
| 128 final String aVersion2) { | |
| 129 super(VERSION, aList, PropertyFactoryImpl.getInstance()); | |
| 130 minVersion = aVersion1; | |
| 131 maxVersion = aVersion2; | |
| 132 } | |
| 133 | |
| 134 /** | |
| 135 * @return Returns the maxVersion. | |
| 136 */ | |
| 137 public final String getMaxVersion() { | |
| 138 return maxVersion; | |
| 139 } | |
| 140 | |
| 141 /** | |
| 142 * @return Returns the minVersion. | |
| 143 */ | |
| 144 public final String getMinVersion() { | |
| 145 return minVersion; | |
| 146 } | |
| 147 | |
| 148 /** | |
| 149 * {@inheritDoc} | |
| 150 */ | |
| 151 public void setValue(final String aValue) { | |
| 152 if (aValue.indexOf(';') >= 0) { | |
| 153 this.minVersion = aValue.substring(0, aValue.indexOf(';') - 1); | |
| 154 this.maxVersion = aValue.substring(aValue.indexOf(';')); | |
| 155 } | |
| 156 else { | |
| 157 this.maxVersion = aValue; | |
| 158 } | |
| 159 } | |
| 160 | |
| 161 /** | |
| 162 * {@inheritDoc} | |
| 163 */ | |
| 164 public final String getValue() { | |
| 165 final StringBuffer b = new StringBuffer(); | |
| 166 if (getMinVersion() != null) { | |
| 167 b.append(getMinVersion()); | |
| 168 if (getMaxVersion() != null) { | |
| 169 b.append(';'); | |
| 170 } | |
| 171 } | |
| 172 if (getMaxVersion() != null) { | |
| 173 b.append(getMaxVersion()); | |
| 174 } | |
| 175 return b.toString(); | |
| 176 } | |
| 177 | |
| 178 /** | |
| 179 * @param maxVersion The maxVersion to set. | |
| 180 */ | |
| 181 public void setMaxVersion(final String maxVersion) { | |
| 182 this.maxVersion = maxVersion; | |
| 183 } | |
| 184 | |
| 185 /** | |
| 186 * @param minVersion The minVersion to set. | |
| 187 */ | |
| 188 public void setMinVersion(final String minVersion) { | |
| 189 this.minVersion = minVersion; | |
| 190 } | |
| 191 | |
| 192 /** | |
| 193 * {@inheritDoc} | |
| 194 */ | |
| 195 public final void validate() throws ValidationException { | |
| 196 // TODO: Auto-generated method stub | |
| 197 } | |
| 198 } |
