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CAP
Commit 5b5fafcc authored by Savorboard's avatar Savorboard
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add helper method.

parent 8e107693
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Showing with 117 additions and 102 deletions
src/DotNetCore.CAP/Infrastructure/Helper.cs
View file @ 5b5fafcc
......@@ -7,106 +7,121 @@ using Newtonsoft.Json.Linq;
namespace DotNetCore.CAP.Infrastructure
{
public static class Helper
{
private static readonly DateTime Epoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Local);
private static JsonSerializerSettings _serializerSettings;
public static void SetSerializerSettings(JsonSerializerSettings setting)
{
_serializerSettings = setting;
}
public static string ToJson(object value)
{
return value != null
? JsonConvert.SerializeObject(value, _serializerSettings)
: null;
}
public static T FromJson<T>(string value)
{
return value != null
? JsonConvert.DeserializeObject<T>(value, _serializerSettings)
: default(T);
}
public static object FromJson(string value, Type type)
{
if (type == null) throw new ArgumentNullException(nameof(type));
return value != null
? JsonConvert.DeserializeObject(value, type, _serializerSettings)
: null;
}
public static long ToTimestamp(DateTime value)
{
var elapsedTime = value - Epoch;
return (long)elapsedTime.TotalSeconds;
}
public static DateTime FromTimestamp(long value)
{
// ReSharper disable once ImpureMethodCallOnReadonlyValueField
return Epoch.AddSeconds(value);
}
public static bool IsController(TypeInfo typeInfo)
{
if (!typeInfo.IsClass)
return false;
if (typeInfo.IsAbstract)
return false;
if (!typeInfo.IsPublic)
return false;
return !typeInfo.ContainsGenericParameters
&& typeInfo.Name.EndsWith("Controller", StringComparison.OrdinalIgnoreCase);
}
public static bool IsComplexType(Type type)
{
return !CanConvertFromString(type);
}
public static string AddJsonProperty(string json, IList<KeyValuePair<string, string>> properties)
{
var jObj = JObject.Parse(json);
foreach (var property in properties)
{
if (jObj.TryGetValue(property.Key, out var _))
{
jObj[property.Key] = property.Value;
}
else
{
jObj.Add(new JProperty(property.Key, property.Value));
}
}
return jObj.ToString();
}
private static bool CanConvertFromString(Type destinationType)
{
destinationType = Nullable.GetUnderlyingType(destinationType) ?? destinationType;
return IsSimpleType(destinationType) ||
TypeDescriptor.GetConverter(destinationType).CanConvertFrom(typeof(string));
}
private static bool IsSimpleType(Type type)
{
return type.GetTypeInfo().IsPrimitive ||
type == typeof(decimal) ||
type == typeof(string) ||
type == typeof(DateTime) ||
type == typeof(Guid) ||
type == typeof(DateTimeOffset) ||
type == typeof(TimeSpan) ||
type == typeof(Uri);
}
}
public static class Helper
{
private static readonly DateTime Epoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Local);
private static JsonSerializerSettings _serializerSettings;
public static void SetSerializerSettings(JsonSerializerSettings setting)
{
_serializerSettings = setting;
}
public static string ToJson(object value)
{
return value != null
? JsonConvert.SerializeObject(value, _serializerSettings)
: null;
}
public static T FromJson<T>(string value)
{
return value != null
? JsonConvert.DeserializeObject<T>(value, _serializerSettings)
: default(T);
}
public static object FromJson(string value, Type type)
{
if (type == null) throw new ArgumentNullException(nameof(type));
return value != null
? JsonConvert.DeserializeObject(value, type, _serializerSettings)
: null;
}
public static long ToTimestamp(DateTime value)
{
var elapsedTime = value - Epoch;
return (long)elapsedTime.TotalSeconds;
}
public static DateTime FromTimestamp(long value)
{
// ReSharper disable once ImpureMethodCallOnReadonlyValueField
return Epoch.AddSeconds(value);
}
public static bool IsController(TypeInfo typeInfo)
{
if (!typeInfo.IsClass)
return false;
if (typeInfo.IsAbstract)
return false;
if (!typeInfo.IsPublic)
return false;
return !typeInfo.ContainsGenericParameters
&& typeInfo.Name.EndsWith("Controller", StringComparison.OrdinalIgnoreCase);
}
public static bool IsComplexType(Type type)
{
return !CanConvertFromString(type);
}
public static JObject ToJObject(Exception exception)
{
return new JObject(new
{
Source = exception.Source,
Message = exception.Message,
InnerMessage = exception.InnerException?.Message
});
}
public static string AddJsonProperty(string json, string propertyName, JObject propertyValue)
{
var jObj = JObject.Parse(json);
if (jObj.TryGetValue(propertyName, out var _))
{
jObj[propertyName] = propertyValue;
}
else
{
jObj.Add(new JProperty(propertyName, propertyValue));
}
return jObj.ToString();
}
public static string AddExceptionProperty(string json, Exception exception)
{
var jObject = ToJObject(exception);
return AddJsonProperty(json, "ExceptionMessage", jObject);
}
private static bool CanConvertFromString(Type destinationType)
{
destinationType = Nullable.GetUnderlyingType(destinationType) ?? destinationType;
return IsSimpleType(destinationType) ||
TypeDescriptor.GetConverter(destinationType).CanConvertFrom(typeof(string));
}
private static bool IsSimpleType(Type type)
{
return type.GetTypeInfo().IsPrimitive ||
type == typeof(decimal) ||
type == typeof(string) ||
type == typeof(DateTime) ||
type == typeof(Guid) ||
type == typeof(DateTimeOffset) ||
type == typeof(TimeSpan) ||
type == typeof(Uri);
}
}
}
\ No newline at end of file
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