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StoreDataHandler.cs
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212 lines (191 loc) · 5.76 KB
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/********
* @version : 2.1.1 - Ext.NET Pro License
* @author : Ext.NET, Inc. http://www.ext.net/
* @date : 2012-12-10
* @copyright : Copyright (c) 2007-2012, Ext.NET, Inc. (http://www.ext.net/). All rights reserved.
* @license : See license.txt and http://www.ext.net/license/.
********/
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.IO;
using System.Web;
using System.Xml;
using System.Linq;
using Ext.Net.Utilities;
using Newtonsoft.Json;
namespace Ext.Net
{
/// <summary>
///
/// </summary>
[Description("")]
public partial class StoreDataHandler
{
private string jsonData;
private StoreAction? action;
private XmlDocument xmlData;
private readonly HttpContext context;
private bool? isBatch;
private StoreRequestParameters prms;
/// <summary>
///
/// </summary>
[Description("")]
public StoreDataHandler(HttpContext context)
{
this.context = context ?? HttpContext.Current;
}
public StoreDataHandler()
{
this.context = HttpContext.Current;
}
/// <summary>
///
/// </summary>
[Description("")]
public StoreDataHandler(string jsonData) : this()
{
if (jsonData == null)
{
throw new ArgumentNullException("jsonData");
}
this.jsonData = jsonData;
}
/// <summary>
///
/// </summary>
[Description("")]
public string JsonData
{
get
{
if (this.jsonData == null)
{
if (this.context.Request["data"] != null)
{
this.jsonData = this.context.Request["data"];
}
else
{
if (this.IsJsonRequest)
{
using (StreamReader sr = new StreamReader(context.Request.InputStream))
{
this.jsonData = sr.ReadToEnd();
}
}
}
}
return this.jsonData;
}
}
private bool IsJsonRequest
{
get
{
return context.Request.ContentType.Split(';').Any(t => t.Equals("application/json", StringComparison.OrdinalIgnoreCase));
}
}
/// <summary>
///
/// </summary>
[Description("")]
public StoreAction Action
{
get
{
if (this.action == null)
{
string _action = this.context.Request["action"];
this.action = _action.IsNotEmpty() ? Store.Action(_action) : StoreAction.Read;
}
return this.action.Value;
}
}
/// <summary>
///
/// </summary>
public StoreRequestParameters Parameters
{
get
{
if (this.prms == null)
{
this.prms = new StoreRequestParameters(this.context);
}
return this.prms;
}
}
/// <summary>
///
/// </summary>
public bool IsBatch
{
get
{
if (!this.isBatch.HasValue)
{
string data = this.JsonData;
this.isBatch = data.IsNotEmpty() && data[0] == '{' && data[data.Length - 1] == '}';
}
return this.isBatch.Value;
}
}
/// <summary>
///
/// </summary>
[Description("")]
public XmlDocument XmlData
{
get
{
if (xmlData == null)
{
if (this.IsBatch)
{
RecordsToXmlConverter converter = new RecordsToXmlConverter();
xmlData = (XmlDocument)JsonConvert.DeserializeObject(JsonData, typeof(XmlDocument), converter);
}
else
{
xmlData = JsonConvert.DeserializeXmlNode("{records:{record:" + JsonData + "}}");
}
}
return xmlData;
}
}
/// <summary>
///
/// </summary>
[Description("")]
public ChangeRecords<T> BatchObjectData<T>()
{
if (!this.IsBatch)
{
throw new Exception("The data is not batch");
}
JsonSerializer serializer = new JsonSerializer();
serializer.MissingMemberHandling = MissingMemberHandling.Ignore;
StringReader sr = new StringReader(JsonData);
ChangeRecords<T> data = (ChangeRecords<T>)serializer.Deserialize(sr, typeof(ChangeRecords<T>));
return data;
}
/// <summary>
///
/// </summary>
[Description("")]
public List<T> ObjectData<T>()
{
if (this.IsBatch)
{
throw new Exception("The data is batch");
}
JsonSerializer serializer = new JsonSerializer();
serializer.MissingMemberHandling = MissingMemberHandling.Ignore;
StringReader sr = new StringReader(JsonData);
List<T> data = (List<T>)serializer.Deserialize(sr, typeof(List<T>));
return data;
}
}
}