在哪里放置序列化自定义类的功能
本文关键字:功能 自定义 序列化 在哪里 | 更新日期: 2023-09-27 18:04:37
我现在开始使用序列化,我想我得到了我的类serializable在这里询问后。
现在我想知道将序列化方法放在上述类的中是否被认为是一种好,坏,取决于或无关紧要的设计。
假设我的类是这样的。
[XmlRoot("Settings")]
public class SerializableClass
{
public SerializableClass() { }
[XmlElement("PropertyOne")]
public String PropertyString { get; set; }
[XmlElement("PropertyTwo")]
public int PropertyInt { get; set; }
public Object PropertyObject { get; set; }
}
添加这样的方法来让对象(反)序列化自己有意义吗?
public String SerializeMe()
{
XmlSerializer serializer = new XmlSerializer(typeof(SerializableClass));
StringWriter writer = new StringWriter();
serializer.Serialize(writer, this);
return writer.ToString();
}
public static SerializableClass DeSerialize(String input)
{
StringReader reader = new StringReader(input);
XmlSerializer serializer = new XmlSerializer(SerializableClass);
return xmlSerializer.Deserialize(reader) as SerializableClass;
}
当然,我会用try-catch来实现这些,使用和某种文件阅读器来实现,并且只指定路径。这可行吗?推荐吗?常见的吗?(我从来没有使用过我自己实现的序列化,所以如果这个问题看起来很奇怪,请原谅我。)
因为XmlSerializer
将识别序列化属性,为什么不使用泛型实现来防止代码重复?
public static string Serialize<T>(object item)
{
XmlSerializer serializer = new XmlSerializer(typeof(T));
StringWriter writer = new StringWriter();
serializer.Serialize(writer, item);
return writer.ToString();
}
public static T DeSerialize<T>(string input) where T : class
{
StringReader reader = new StringReader(input);
XmlSerializer serializer = new XmlSerializer(typeof(T));
return serializer.Deserialize(reader) as T;
}
我看过这两种实现,我只能说这取决于具体情况。
在某些情况下这样做是很好的-
var object = new SerializableClass {PropertyString = "foo", PropertyInt = 22};
var xml = object.Serialize();
然而,在许多其他情况下,序列化/反序列化发生在通过http等通道传输时。在这种情况下,要序列化的对象大多是DTO。这就是@Oliver的泛型实现派上用场的地方,在这种情况下,我希望保持DTO的序列化逻辑,使其泛型。
EDIT 1 -添加序列化/反序列化工作的代码-
我尝试使用你的片段,并且能够序列化/反序列化。一些小改动-
using System;
using System.IO;
using System.Xml.Serialization;
using NUnit.Framework;
namespace Serialization
{
[XmlRoot("Settings")]
public class SerializableClass
{
public SerializableClass() { }
[XmlElement("PropertyOne")]
public String PropertyString { get; set; }
[XmlElement("PropertyTwo")]
public int PropertyInt { get; set; }
public Object PropertyObject { get; set; }
public String SerializeMe()
{
var serializer = new XmlSerializer(typeof(SerializableClass));
var writer = new StringWriter();
serializer.Serialize(writer, this);
return writer.ToString();
}
public static SerializableClass DeSerialize(String input)
{
var reader = new StringReader(input);
var serializer = new XmlSerializer(typeof(SerializableClass));
return serializer.Deserialize(reader) as SerializableClass;
}
}
[TestFixture]
public class SerializerTest
{
[Test]
public void SerializationTest()
{
var serializableClass = new SerializableClass { PropertyInt = 23, PropertyString = "foo", PropertyObject = "bar"};
Console.WriteLine(serializableClass.SerializeMe());
}
[Test]
public void DeserializationTest()
{
var deserializedXML = @"<?xml version=""1.0"" encoding=""utf-16:""?>" +
@"<Settings xmlns:xsd=""http://www.w3.org/2001/XMLSchema"" xmlns:xsi=""http://www.w3.org/2001/XMLSchema-instance"">" +
@"<PropertyOne>foo</PropertyOne><PropertyTwo>23</PropertyTwo><PropertyObject xsi:type=""xsd:string"">bar</PropertyObject></Settings>";
var serializableClass = SerializableClass.DeSerialize(deserializedXML);
Console.WriteLine(serializableClass.PropertyInt);
Console.WriteLine(serializableClass.PropertyString);
Console.WriteLine(serializableClass.PropertyObject);
}
}
}