001 /* 002 * JBoss DNA (http://www.jboss.org/dna) 003 * See the COPYRIGHT.txt file distributed with this work for information 004 * regarding copyright ownership. Some portions may be licensed 005 * to Red Hat, Inc. under one or more contributor license agreements. 006 * See the AUTHORS.txt file in the distribution for a full listing of 007 * individual contributors. 008 * 009 * JBoss DNA is free software. Unless otherwise indicated, all code in JBoss DNA 010 * is licensed to you under the terms of the GNU Lesser General Public License as 011 * published by the Free Software Foundation; either version 2.1 of 012 * the License, or (at your option) any later version. 013 * 014 * JBoss DNA is distributed in the hope that it will be useful, 015 * but WITHOUT ANY WARRANTY; without even the implied warranty of 016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 017 * Lesser General Public License for more details. 018 * 019 * You should have received a copy of the GNU Lesser General Public 020 * License along with this software; if not, write to the Free 021 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 022 * 02110-1301 USA, or see the FSF site: http://www.fsf.org. 023 */ 024 package org.jboss.dna.graph.property.basic; 025 026 import java.io.InputStream; 027 import java.io.Reader; 028 import java.math.BigDecimal; 029 import java.net.URI; 030 import java.util.Calendar; 031 import java.util.Date; 032 import java.util.UUID; 033 import net.jcip.annotations.Immutable; 034 import org.jboss.dna.common.text.TextDecoder; 035 import org.jboss.dna.graph.GraphI18n; 036 import org.jboss.dna.graph.property.Binary; 037 import org.jboss.dna.graph.property.DateTime; 038 import org.jboss.dna.graph.property.IoException; 039 import org.jboss.dna.graph.property.Name; 040 import org.jboss.dna.graph.property.Path; 041 import org.jboss.dna.graph.property.PropertyType; 042 import org.jboss.dna.graph.property.Reference; 043 import org.jboss.dna.graph.property.UuidFactory; 044 import org.jboss.dna.graph.property.ValueFactory; 045 import org.jboss.dna.graph.property.ValueFormatException; 046 047 /** 048 * The standard {@link ValueFactory} for {@link PropertyType#URI} values. 049 * 050 * @author Randall Hauch 051 * @author John Verhaeg 052 */ 053 @Immutable 054 public class UuidValueFactory extends AbstractValueFactory<UUID> implements UuidFactory { 055 056 public UuidValueFactory( TextDecoder decoder, 057 ValueFactory<String> stringValueFactory ) { 058 super(PropertyType.UUID, decoder, stringValueFactory); 059 } 060 061 /** 062 * {@inheritDoc} 063 * 064 * @see org.jboss.dna.graph.property.UuidFactory#create() 065 */ 066 public UUID create() { 067 return UUID.randomUUID(); 068 } 069 070 /** 071 * {@inheritDoc} 072 */ 073 public UUID create( String value ) { 074 if (value == null) return null; 075 value = value.trim(); 076 try { 077 return UUID.fromString(value); 078 } catch (IllegalArgumentException err) { 079 throw new ValueFormatException(value, PropertyType.UUID, 080 GraphI18n.errorConvertingType.text(String.class.getSimpleName(), 081 URI.class.getSimpleName(), 082 value), err); 083 } 084 } 085 086 /** 087 * {@inheritDoc} 088 */ 089 public UUID create( String value, 090 TextDecoder decoder ) { 091 // this probably doesn't really need to call the decoder, but by doing so then we don't care at all what the decoder does 092 return create(getDecoder(decoder).decode(value)); 093 } 094 095 /** 096 * {@inheritDoc} 097 */ 098 public UUID create( int value ) { 099 throw new ValueFormatException(value, PropertyType.UUID, GraphI18n.unableToCreateValue.text(getPropertyType().getName(), 100 Integer.class.getSimpleName(), 101 value)); 102 } 103 104 /** 105 * {@inheritDoc} 106 */ 107 public UUID create( long value ) { 108 throw new ValueFormatException(value, PropertyType.UUID, GraphI18n.unableToCreateValue.text(getPropertyType().getName(), 109 Long.class.getSimpleName(), 110 value)); 111 } 112 113 /** 114 * {@inheritDoc} 115 */ 116 public UUID create( boolean value ) { 117 throw new ValueFormatException(value, PropertyType.UUID, GraphI18n.unableToCreateValue.text(getPropertyType().getName(), 118 Boolean.class.getSimpleName(), 119 value)); 120 } 121 122 /** 123 * {@inheritDoc} 124 */ 125 public UUID create( float value ) { 126 throw new ValueFormatException(value, PropertyType.UUID, GraphI18n.unableToCreateValue.text(getPropertyType().getName(), 127 Float.class.getSimpleName(), 128 value)); 129 } 130 131 /** 132 * {@inheritDoc} 133 */ 134 public UUID create( double value ) { 135 throw new ValueFormatException(value, PropertyType.UUID, GraphI18n.unableToCreateValue.text(getPropertyType().getName(), 136 Double.class.getSimpleName(), 137 value)); 138 } 139 140 /** 141 * {@inheritDoc} 142 */ 143 public UUID create( BigDecimal value ) { 144 throw new ValueFormatException(value, PropertyType.UUID, 145 GraphI18n.unableToCreateValue.text(getPropertyType().getName(), 146 BigDecimal.class.getSimpleName(), 147 value)); 148 } 149 150 /** 151 * {@inheritDoc} 152 */ 153 public UUID create( Calendar value ) { 154 throw new ValueFormatException(value, PropertyType.UUID, GraphI18n.unableToCreateValue.text(getPropertyType().getName(), 155 Calendar.class.getSimpleName(), 156 value)); 157 } 158 159 /** 160 * {@inheritDoc} 161 */ 162 public UUID create( Date value ) { 163 throw new ValueFormatException(value, PropertyType.UUID, GraphI18n.unableToCreateValue.text(getPropertyType().getName(), 164 Date.class.getSimpleName(), 165 value)); 166 } 167 168 /** 169 * {@inheritDoc} 170 * 171 * @see org.jboss.dna.graph.property.ValueFactory#create(org.jboss.dna.graph.property.DateTime) 172 */ 173 public UUID create( DateTime value ) throws ValueFormatException { 174 throw new ValueFormatException(value, PropertyType.UUID, GraphI18n.unableToCreateValue.text(getPropertyType().getName(), 175 DateTime.class.getSimpleName(), 176 value)); 177 } 178 179 /** 180 * {@inheritDoc} 181 */ 182 public UUID create( Name value ) { 183 throw new ValueFormatException(value, PropertyType.UUID, GraphI18n.unableToCreateValue.text(getPropertyType().getName(), 184 Name.class.getSimpleName(), 185 value)); 186 } 187 188 /** 189 * {@inheritDoc} 190 */ 191 public UUID create( Path value ) { 192 throw new ValueFormatException(value, PropertyType.UUID, GraphI18n.unableToCreateValue.text(getPropertyType().getName(), 193 Path.class.getSimpleName(), 194 value)); 195 } 196 197 /** 198 * {@inheritDoc} 199 */ 200 public UUID create( Reference value ) { 201 if (value instanceof UuidReference) { 202 UuidReference ref = (UuidReference)value; 203 return ref.getUuid(); 204 } 205 throw new ValueFormatException(value, PropertyType.UUID, 206 GraphI18n.unableToCreateValue.text(getPropertyType().getName(), 207 Reference.class.getSimpleName(), 208 value)); 209 } 210 211 /** 212 * {@inheritDoc} 213 */ 214 public UUID create( URI value ) { 215 throw new ValueFormatException(value, PropertyType.UUID, GraphI18n.unableToCreateValue.text(getPropertyType().getName(), 216 URI.class.getSimpleName(), 217 value)); 218 } 219 220 /** 221 * {@inheritDoc} 222 * 223 * @see org.jboss.dna.graph.property.ValueFactory#create(java.util.UUID) 224 */ 225 public UUID create( UUID value ) { 226 return value; 227 } 228 229 /** 230 * {@inheritDoc} 231 */ 232 public UUID create( byte[] value ) { 233 // First attempt to create a string from the value, then a long from the string ... 234 return create(getStringValueFactory().create(value)); 235 } 236 237 /** 238 * {@inheritDoc} 239 * 240 * @see org.jboss.dna.graph.property.ValueFactory#create(org.jboss.dna.graph.property.Binary) 241 */ 242 public UUID create( Binary value ) throws ValueFormatException, IoException { 243 // First create a string and then create the boolean from the string value ... 244 return create(getStringValueFactory().create(value)); 245 } 246 247 /** 248 * {@inheritDoc} 249 */ 250 public UUID create( InputStream stream, 251 long approximateLength ) throws IoException { 252 // First attempt to create a string from the value, then a double from the string ... 253 return create(getStringValueFactory().create(stream, approximateLength)); 254 } 255 256 /** 257 * {@inheritDoc} 258 */ 259 public UUID create( Reader reader, 260 long approximateLength ) throws IoException { 261 // First attempt to create a string from the value, then a double from the string ... 262 return create(getStringValueFactory().create(reader, approximateLength)); 263 } 264 265 /** 266 * {@inheritDoc} 267 */ 268 @Override 269 protected UUID[] createEmptyArray( int length ) { 270 return new UUID[length]; 271 } 272 273 }