src/share/classes/java/time/chrono/ThaiBuddhistEra.java

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  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 }