| // $Id$ |
| // |
| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| // |
| using System; |
| using Org.Apache.Etch.Bindings.Csharp.Msg; |
| using Org.Apache.Etch.Bindings.Csharp.Support; |
| |
| namespace Org.Apache.Etch.Bindings.Csharp.Util |
| { |
| /// <summary> |
| /// Serialize a DateTime into our network standard format, which |
| /// is the unix standard of milliseconds since jan 1, 1970 utc. |
| /// </summary> |
| public class DateSerializer : ImportExportHelper |
| { |
| private const String FIELD_NAME = "dateTime"; |
| |
| private readonly XType type; |
| private readonly Field field; |
| |
| public DateSerializer( XType type, Field field ) |
| { |
| this.type = type; |
| this.field = field; |
| } |
| |
| /// <summary> |
| /// Defines custom fields in the value factory so that the importer |
| /// can find them |
| /// </summary> |
| /// <param name="type"></param> |
| /// <param name="class2type"></param> |
| public static void Init( XType type, Class2TypeMap class2type ) |
| { |
| Field field = type.GetField( FIELD_NAME ); |
| class2type.Add( typeof( DateTime ), type ); |
| type.SetComponentType( typeof( DateTime ) ); |
| type.SetImportExportHelper( new DateSerializer( type, field ) ); |
| type.PutValidator( field, Validator_long.Get( 0 ) ); |
| type.Lock(); |
| } |
| |
| public override Object ImportValue( StructValue sv ) |
| { |
| long ms = (long)sv.Get(field); |
| return new DateTime(epoch + ms * TICKS_PER_MS, DateTimeKind.Utc).ToLocalTime(); |
| } |
| |
| public override StructValue ExportValue( ValueFactory vf, Object value ) |
| { |
| long ms = (((DateTime)value).ToUniversalTime().Ticks - epoch) / TICKS_PER_MS; |
| StructValue sv = new StructValue( type, vf ); |
| sv.Add(field, ms); |
| return sv; |
| } |
| |
| private const long TICKS_PER_MS = 10000; |
| |
| private static readonly long epoch = |
| new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc).Ticks; |
| } |
| } |