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source: trunk/sources/HeuristicLab.Persistence/3.3/Default/Xml/Primitive/DecimalNumber2XmlFormatterBase.cs @ 1625

Last change on this file since 1625 was 1625, checked in by epitzer, 15 years ago

Added PersistenceException used consistently for all error conditions in the persistence framework (#548)

File size: 1.3 KB
Line 
1using System;
2using HeuristicLab.Persistence.Core;
3using HeuristicLab.Persistence.Interfaces;
4using System.Reflection;
5using System.Globalization;
6
7namespace HeuristicLab.Persistence.Default.Xml.Primitive {
8
9  public abstract class DecimalNumber2XmlFormatterBase<T> : FormatterBase<T, XmlString> {
10
11    private static MethodInfo ToStringMethod = typeof(T)
12      .GetMethod(
13        "ToString",
14        BindingFlags.Instance | BindingFlags.Public,
15        null,
16        CallingConventions.Standard,
17        new[] { typeof(string), typeof(IFormatProvider) },
18        null);
19
20    private static MethodInfo ParseMethod = typeof(T)
21      .GetMethod(
22        "Parse",
23        BindingFlags.Static | BindingFlags.Public,
24        null,
25        CallingConventions.Standard,
26        new[] { typeof(string), typeof(IFormatProvider) },
27        null);
28
29    public override XmlString Format(T t) {
30      return new XmlString((string)ToStringMethod.Invoke(t, new object[] { "r", CultureInfo.InvariantCulture }));
31    }
32    public override T Parse(XmlString x) {
33      try {
34        return (T)ParseMethod.Invoke(null, new object[] { x.Data, CultureInfo.InvariantCulture });
35      } catch (Exception e) {
36        throw new PersistenceException("Could not parse decimal number.", e);
37      }
38    }
39  }
40}
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