42 lines
1.3 KiB
C#
42 lines
1.3 KiB
C#
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using System;
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using System.ComponentModel.DataAnnotations;
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using System.Linq;
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using System.Reflection;
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using Newtonsoft.Json.Serialization;
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namespace Swashbuckle.Swagger
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{
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public static class JsonPropertyExtensions
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{
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public static bool IsRequired(this JsonProperty jsonProperty)
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{
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return jsonProperty.HasAttribute<RequiredAttribute>();
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}
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public static bool IsObsolete(this JsonProperty jsonProperty)
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{
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return jsonProperty.HasAttribute<ObsoleteAttribute>();
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}
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public static bool HasAttribute<T>(this JsonProperty jsonProperty)
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{
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var propInfo = jsonProperty.PropertyInfo();
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return propInfo != null && Attribute.IsDefined(propInfo, typeof (T));
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}
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public static PropertyInfo PropertyInfo(this JsonProperty jsonProperty)
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{
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if (jsonProperty.UnderlyingName == null) return null;
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var metadata = jsonProperty.DeclaringType.GetCustomAttributes(typeof(MetadataTypeAttribute), true)
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.FirstOrDefault();
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var typeToReflect = (metadata != null)
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? ((MetadataTypeAttribute)metadata).MetadataClassType
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: jsonProperty.DeclaringType;
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return typeToReflect.GetProperty(jsonProperty.UnderlyingName, jsonProperty.PropertyType);
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}
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}
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}
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