Newtonsoft.Json\Serialization\CamelCasePropertyNamesContractResolver.cs

#region License

// Copyright (c) 2007 James Newton-King

//

// Permission is hereby granted, free of charge, to any person

// obtaining a copy of this software and associated documentation

// files (the "Software"), to deal in the Software without

// restriction, including without limitation the rights to use,

// copy, modify, merge, publish, distribute, sublicense, and/or sell

// copies of the Software, and to permit persons to whom the

// Software is furnished to do so, subject to the following

// conditions:

//

// The above copyright notice and this permission notice shall be

// included in all copies or substantial portions of the Software.

//

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES

// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,

// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

// OTHER DEALINGS IN THE SOFTWARE.

#endregion

using System.Globalization;

namespace Newtonsoft.Json.Serialization

{

  /// <summary>

  /// Resolves member mappings for a type, camel casing property names.

  /// </summary>

  public class CamelCasePropertyNamesContractResolver : DefaultContractResolver

  {

    /// <summary>

    /// Initializes a new instance of the <see cref="CamelCasePropertyNamesContractResolver"/> class.

    /// </summary>

    public CamelCasePropertyNamesContractResolver()

      : base(true)

    {

    }

    /// <summary>

    /// Resolves the name of the property.

    /// </summary>

    /// <param name="propertyName">Name of the property.</param>

    /// <returns>The property name camel cased.</returns>

    protected override string ResolvePropertyName(string propertyName)

    {

      // lower case the first letter of the passed in name

      if (string.IsNullOrEmpty(propertyName))

        return propertyName;

      if (!char.IsUpper(propertyName[0]))

        return propertyName;

      string camelCaseName = char.ToLower(propertyName[0], CultureInfo.InvariantCulture).ToString(CultureInfo.InvariantCulture);

      if (propertyName.Length > 1)

        camelCaseName += propertyName.Substring(1);

      return camelCaseName;

    }

  }

}