Newtonsoft.Json\Schema\Extensions.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;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using Newtonsoft.Json.Linq;

using Newtonsoft.Json.Utilities;

namespace Newtonsoft.Json.Schema

{

  /// <summary>

  /// Contains the JSON schema extension methods.

  /// </summary>

  public static class Extensions

  {

    /// <summary>

    /// Determines whether the <see cref="JToken"/> is valid.

    /// </summary>

    /// <param name="source">The source <see cref="JToken"/> to test.</param>

    /// <param name="schema">The schema to test with.</param>

    /// <returns>

    /// 	<c>true</c> if the specified <see cref="JToken"/> is valid; otherwise, <c>false</c>.

    /// </returns>

    public static bool IsValid(this JToken source, JsonSchema schema)

    {

      bool valid = true;

      source.Validate(schema, (sender, args) => { valid = false; });

      return valid;

    }

    /// <summary>

    /// Validates the specified <see cref="JToken"/>.

    /// </summary>

    /// <param name="source">The source <see cref="JToken"/> to test.</param>

    /// <param name="schema">The schema to test with.</param>

    public static void Validate(this JToken source, JsonSchema schema)

    {

      source.Validate(schema, null);

    }

    /// <summary>

    /// Validates the specified <see cref="JToken"/>.

    /// </summary>

    /// <param name="source">The source <see cref="JToken"/> to test.</param>

    /// <param name="schema">The schema to test with.</param>

    /// <param name="validationEventHandler">The validation event handler.</param>

    public static void Validate(this JToken source, JsonSchema schema, ValidationEventHandler validationEventHandler)

    {

      ValidationUtils.ArgumentNotNull(source, "source");

      ValidationUtils.ArgumentNotNull(schema, "schema");

      using (JsonValidatingReader reader = new JsonValidatingReader(source.CreateReader()))

      {

        reader.Schema = schema;

        if (validationEventHandler != null)

          reader.ValidationEventHandler += validationEventHandler;

        while (reader.Read())

        {

        }

      }

    }

  }

}