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// Copyright (c) 2007 James Newton-King
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the "Software"), to deal in the Software without
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// restriction, including without limitation the rights to use,
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// copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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using System.Collections.Generic;
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using Newtonsoft.Json.Linq;
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using Newtonsoft.Json.Utilities;
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namespace Newtonsoft.Json.Schema
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/// Contains the JSON schema extension methods.
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public static class Extensions
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/// Determines whether the <see cref="JToken"/> is valid.
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/// <param name="source">The source <see cref="JToken"/> to test.</param>
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/// <param name="schema">The schema to test with.</param>
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/// <c>true</c> if the specified <see cref="JToken"/> is valid; otherwise, <c>false</c>.
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public static bool IsValid(this JToken source, JsonSchema schema)
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source.Validate(schema, (sender, args) => { valid = false; });
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/// Determines whether the <see cref="JToken"/> is valid.
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/// <param name="source">The source <see cref="JToken"/> to test.</param>
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/// <param name="schema">The schema to test with.</param>
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/// <param name="errorMessages">When this method returns, contains any error messages generated while validating. </param>
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/// <c>true</c> if the specified <see cref="JToken"/> is valid; otherwise, <c>false</c>.
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public static bool IsValid(this JToken source, JsonSchema schema, out IList<string> errorMessages)
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IList<string> errors = new List<string>();
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source.Validate(schema, (sender, args) => errors.Add(args.Message));
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errorMessages = errors;
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return (errorMessages.Count == 0);
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/// Validates the specified <see cref="JToken"/>.
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/// <param name="source">The source <see cref="JToken"/> to test.</param>
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/// <param name="schema">The schema to test with.</param>
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public static void Validate(this JToken source, JsonSchema schema)
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source.Validate(schema, null);
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/// Validates the specified <see cref="JToken"/>.
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/// <param name="source">The source <see cref="JToken"/> to test.</param>
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/// <param name="schema">The schema to test with.</param>
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/// <param name="validationEventHandler">The validation event handler.</param>
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public static void Validate(this JToken source, JsonSchema schema, ValidationEventHandler validationEventHandler)
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ValidationUtils.ArgumentNotNull(source, "source");
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ValidationUtils.ArgumentNotNull(schema, "schema");
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using (JsonValidatingReader reader = new JsonValidatingReader(source.CreateReader()))
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reader.Schema = schema;
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if (validationEventHandler != null)
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reader.ValidationEventHandler += validationEventHandler;