1 #region License 2 // Copyright (c) 2007 James Newton-King 3 // 4 // Permission is hereby granted, free of charge, to any person 5 // obtaining a copy of this software and associated documentation 6 // files (the "Software"), to deal in the Software without 7 // restriction, including without limitation the rights to use, 8 // copy, modify, merge, publish, distribute, sublicense, and/or sell 9 // copies of the Software, and to permit persons to whom the 10 // Software is furnished to do so, subject to the following 11 // conditions: 12 // 13 // The above copyright notice and this permission notice shall be 14 // included in all copies or substantial portions of the Software. 15 // 16 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 17 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 18 // OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 19 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 20 // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 21 // WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 22 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 23 // OTHER DEALINGS IN THE SOFTWARE. 24 #endregion 25 26 using System; 27 using System.Reflection; 28 using Newtonsoft.Json.Utilities; 29 using System.Globalization; 30 31 namespace Newtonsoft.Json.Serialization 32 { 33 /// <summary> 34 /// Get and set values for a <see cref="MemberInfo"/> using reflection. 35 /// </summary> 36 public class ReflectionValueProvider : IValueProvider 37 { 38 private readonly MemberInfo _memberInfo; 39 40 /// <summary> 41 /// Initializes a new instance of the <see cref="ReflectionValueProvider"/> class. 42 /// </summary> 43 /// <param name="memberInfo">The member info.</param> ReflectionValueProvider(MemberInfo memberInfo)44 public ReflectionValueProvider(MemberInfo memberInfo) 45 { 46 ValidationUtils.ArgumentNotNull(memberInfo, nameof(memberInfo)); 47 _memberInfo = memberInfo; 48 } 49 50 /// <summary> 51 /// Sets the value. 52 /// </summary> 53 /// <param name="target">The target to set the value on.</param> 54 /// <param name="value">The value to set on the target.</param> SetValue(object target, object value)55 public void SetValue(object target, object value) 56 { 57 try 58 { 59 ReflectionUtils.SetMemberValue(_memberInfo, target, value); 60 } 61 catch (Exception ex) 62 { 63 throw new JsonSerializationException("Error setting value to '{0}' on '{1}'.".FormatWith(CultureInfo.InvariantCulture, _memberInfo.Name, target.GetType()), ex); 64 } 65 } 66 67 /// <summary> 68 /// Gets the value. 69 /// </summary> 70 /// <param name="target">The target to get the value from.</param> 71 /// <returns>The value.</returns> GetValue(object target)72 public object GetValue(object target) 73 { 74 try 75 { 76 return ReflectionUtils.GetMemberValue(_memberInfo, target); 77 } 78 catch (Exception ex) 79 { 80 throw new JsonSerializationException("Error getting value from '{0}' on '{1}'.".FormatWith(CultureInfo.InvariantCulture, _memberInfo.Name, target.GetType()), ex); 81 } 82 } 83 } 84 }