37 * * Redistributions in binary form must reproduce the above copyright notice, 38 * this list of conditions and the following disclaimer in the documentation 39 * and/or other materials provided with the distribution. 40 * 41 * * Neither the name of JSR-310 nor the names of its contributors 42 * may be used to endorse or promote products derived from this software 43 * without specific prior written permission. 44 * 45 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 46 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 47 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 48 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 49 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 50 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 51 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 52 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 53 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 54 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 55 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 56 */ 57 package java.time.calendar; 58 59 import static java.time.temporal.ChronoField.ERA; 60 61 import java.io.DataInput; 62 import java.io.DataOutput; 63 import java.io.IOException; 64 import java.time.DateTimeException; 65 import java.time.format.DateTimeFormatterBuilder; 66 import java.time.format.TextStyle; 67 import java.time.temporal.ChronoField; 68 import java.time.temporal.ChronoLocalDate; 69 import java.time.temporal.Era; 70 import java.time.temporal.Temporal; 71 import java.time.temporal.TemporalField; 72 import java.time.temporal.ValueRange; 73 import java.util.Locale; 74 75 /** 76 * An era in the Thai Buddhist calendar system. 77 * <p> 78 * The Thai Buddhist calendar system has two eras. 79 * <p> 80 * <b>Do not use ordinal() to obtain the numeric representation of a ThaiBuddhistEra 81 * instance. Use getValue() instead.</b> 82 * 83 * <h3>Specification for implementors</h3> 84 * This is an immutable and thread-safe enum. 85 * 86 * @since 1.8 87 */ 88 enum ThaiBuddhistEra implements Era<ThaiBuddhistChrono> { 89 90 /** 91 * The singleton instance for the era before the current one, 'Before Buddhist Era', 92 * which has the value 0. 93 */ 94 BEFORE_BE, 95 /** 96 * The singleton instance for the current era, 'Buddhist Era', which has the value 1. 97 */ 98 BE; 99 100 //----------------------------------------------------------------------- 101 /** 102 * Obtains an instance of {@code ThaiBuddhistEra} from a value. 103 * <p> 104 * The current era (from ISO year -543 onwards) has the value 1 105 * The previous era has the value 0. 106 * 107 * @param thaiBuddhistEra the era to represent, from 0 to 1 108 * @return the BuddhistEra singleton, never null 117 default: 118 throw new DateTimeException("Era is not valid for ThaiBuddhistEra"); 119 } 120 } 121 122 //----------------------------------------------------------------------- 123 /** 124 * Gets the era numeric value. 125 * <p> 126 * The current era (from ISO year -543 onwards) has the value 1 127 * The previous era has the value 0. 128 * 129 * @return the era value, from 0 (BEFORE_BE) to 1 (BE) 130 */ 131 @Override 132 public int getValue() { 133 return ordinal(); 134 } 135 136 @Override 137 public ThaiBuddhistChrono getChrono() { 138 return ThaiBuddhistChrono.INSTANCE; 139 } 140 141 // JDK8 default methods: 142 //----------------------------------------------------------------------- 143 @Override 144 public ChronoLocalDate<ThaiBuddhistChrono> date(int year, int month, int day) { 145 return getChrono().date(this, year, month, day); 146 } 147 148 @Override 149 public ChronoLocalDate<ThaiBuddhistChrono> dateYearDay(int year, int dayOfYear) { 150 return getChrono().dateYearDay(this, year, dayOfYear); 151 } 152 153 //----------------------------------------------------------------------- 154 @Override 155 public boolean isSupported(TemporalField field) { 156 if (field instanceof ChronoField) { 157 return field == ERA; 158 } 159 return field != null && field.doIsSupported(this); 160 } 161 162 @Override 163 public ValueRange range(TemporalField field) { 164 if (field == ERA) { 165 return field.range(); 166 } else if (field instanceof ChronoField) { 167 throw new DateTimeException("Unsupported field: " + field.getName()); 168 } 169 return field.doRange(this); 170 } 171 172 @Override 173 public int get(TemporalField field) { 174 if (field == ERA) { 175 return getValue(); 176 } 177 return range(field).checkValidIntValue(getLong(field), field); 178 } 179 180 @Override 181 public long getLong(TemporalField field) { 182 if (field == ERA) { 183 return getValue(); 184 } else if (field instanceof ChronoField) { 185 throw new DateTimeException("Unsupported field: " + field.getName()); 186 } 187 return field.doGet(this); 188 } 189 190 //------------------------------------------------------------------------- 191 @Override 192 public Temporal adjustInto(Temporal temporal) { 193 return temporal.with(ERA, getValue()); 194 } 195 196 //----------------------------------------------------------------------- 197 @Override 198 public String getText(TextStyle style, Locale locale) { 199 return new DateTimeFormatterBuilder().appendText(ERA, style).toFormatter(locale).print(this); 200 } 201 202 //----------------------------------------------------------------------- 203 private Object writeReplace() { 204 return new Ser(Ser.THAIBUDDHIST_ERA_TYPE, this); 205 } 206 207 void writeExternal(DataOutput out) throws IOException { 208 out.writeByte(this.getValue()); 209 } 210 211 static ThaiBuddhistEra readExternal(DataInput in) throws IOException { 212 byte eraValue = in.readByte(); 213 return ThaiBuddhistEra.of(eraValue); 214 } 215 216 } | 37 * * Redistributions in binary form must reproduce the above copyright notice, 38 * this list of conditions and the following disclaimer in the documentation 39 * and/or other materials provided with the distribution. 40 * 41 * * Neither the name of JSR-310 nor the names of its contributors 42 * may be used to endorse or promote products derived from this software 43 * without specific prior written permission. 44 * 45 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 46 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 47 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 48 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 49 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 50 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 51 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 52 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 53 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 54 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 55 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 56 */ 57 package java.time.chrono; 58 59 60 import java.io.DataInput; 61 import java.io.DataOutput; 62 import java.io.IOException; 63 import java.time.DateTimeException; 64 65 /** 66 * An era in the Thai Buddhist calendar system. 67 * <p> 68 * The Thai Buddhist calendar system has two eras. 69 * <p> 70 * <b>Do not use ordinal() to obtain the numeric representation of a ThaiBuddhistEra 71 * instance. Use getValue() instead.</b> 72 * 73 * <h3>Specification for implementors</h3> 74 * This is an immutable and thread-safe enum. 75 * 76 * @since 1.8 77 */ 78 enum ThaiBuddhistEra implements Era { 79 80 /** 81 * The singleton instance for the era before the current one, 'Before Buddhist Era', 82 * which has the value 0. 83 */ 84 BEFORE_BE, 85 /** 86 * The singleton instance for the current era, 'Buddhist Era', which has the value 1. 87 */ 88 BE; 89 90 //----------------------------------------------------------------------- 91 /** 92 * Obtains an instance of {@code ThaiBuddhistEra} from a value. 93 * <p> 94 * The current era (from ISO year -543 onwards) has the value 1 95 * The previous era has the value 0. 96 * 97 * @param thaiBuddhistEra the era to represent, from 0 to 1 98 * @return the BuddhistEra singleton, never null 107 default: 108 throw new DateTimeException("Era is not valid for ThaiBuddhistEra"); 109 } 110 } 111 112 //----------------------------------------------------------------------- 113 /** 114 * Gets the era numeric value. 115 * <p> 116 * The current era (from ISO year -543 onwards) has the value 1 117 * The previous era has the value 0. 118 * 119 * @return the era value, from 0 (BEFORE_BE) to 1 (BE) 120 */ 121 @Override 122 public int getValue() { 123 return ordinal(); 124 } 125 126 @Override 127 public ThaiBuddhistChronology getChronology() { 128 return ThaiBuddhistChronology.INSTANCE; 129 } 130 131 // JDK8 default methods: 132 //----------------------------------------------------------------------- 133 @Override 134 public ThaiBuddhistDate date(int year, int month, int day) { 135 return (ThaiBuddhistDate)(getChronology().date(this, year, month, day)); 136 } 137 138 @Override 139 public ThaiBuddhistDate dateYearDay(int year, int dayOfYear) { 140 return (ThaiBuddhistDate)(getChronology().dateYearDay(this, year, dayOfYear)); 141 } 142 143 //----------------------------------------------------------------------- 144 private Object writeReplace() { 145 return new Ser(Ser.THAIBUDDHIST_ERA_TYPE, this); 146 } 147 148 void writeExternal(DataOutput out) throws IOException { 149 out.writeByte(this.getValue()); 150 } 151 152 static ThaiBuddhistEra readExternal(DataInput in) throws IOException { 153 byte eraValue = in.readByte(); 154 return ThaiBuddhistEra.of(eraValue); 155 } 156 157 } |