| 1 | /* |
| 2 | * Copyright 2001-2005 Stephen Colebourne |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.joda.time.convert; |
| 17 | |
| 18 | import org.joda.time.Chronology; |
| 19 | |
| 20 | /** |
| 21 | * LongConverter converts a Long to an instant, partial or duration. |
| 22 | * The Long value represents milliseconds in the ISO chronology. |
| 23 | * |
| 24 | * @author Stephen Colebourne |
| 25 | * @author Brian S O'Neill |
| 26 | * @since 1.0 |
| 27 | */ |
| 28 | class LongConverter extends AbstractConverter |
| 29 | implements InstantConverter, PartialConverter, DurationConverter { |
| 30 | |
| 31 | /** |
| 32 | * Singleton instance. |
| 33 | */ |
| 34 | static final LongConverter INSTANCE = new LongConverter(); |
| 35 | |
| 36 | /** |
| 37 | * Restricted constructor. |
| 38 | */ |
| 39 | protected LongConverter() { |
| 40 | super(); |
| 41 | } |
| 42 | |
| 43 | //----------------------------------------------------------------------- |
| 44 | /** |
| 45 | * Gets the millisecond instant, which is the Long value. |
| 46 | * |
| 47 | * @param object the Long to convert, must not be null |
| 48 | * @param chrono the chronology to use, which is always non-null |
| 49 | * @return the millisecond value |
| 50 | * @throws NullPointerException if the object is null |
| 51 | * @throws ClassCastException if the object is an invalid type |
| 52 | */ |
| 53 | public long getInstantMillis(Object object, Chronology chrono) { |
| 54 | return ((Long) object).longValue(); |
| 55 | } |
| 56 | |
| 57 | //----------------------------------------------------------------------- |
| 58 | /** |
| 59 | * Gets the millisecond duration, which is the Long value. |
| 60 | * |
| 61 | * @param object the Long to convert, must not be null |
| 62 | * @return the millisecond duration |
| 63 | * @throws NullPointerException if the object is null |
| 64 | * @throws ClassCastException if the object is an invalid type |
| 65 | */ |
| 66 | public long getDurationMillis(Object object) { |
| 67 | return ((Long) object).longValue(); |
| 68 | } |
| 69 | |
| 70 | //----------------------------------------------------------------------- |
| 71 | /** |
| 72 | * Returns Long.class. |
| 73 | * |
| 74 | * @return Long.class |
| 75 | */ |
| 76 | public Class getSupportedType() { |
| 77 | return Long.class; |
| 78 | } |
| 79 | |
| 80 | } |