Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Net / System / Net / Configuration / TimeoutValidationAttribute.cs / 1 / TimeoutValidationAttribute.cs
namespace System.Net { using System; using System.Configuration; using System.ComponentModel; // NOTE [[....]]: The old validation attribute was removed from System.ll and is // replaced by more flexible and robust validation/conversion design. // The change bellow is a simple fix to make things work with the least possible change ( it is an integration break ) // However, we already have a built-in support for configuration properties that store // Type names. We do reccomend that all uses of the validator bellow are converted to // properties of type Type ( instead of string ) which use the TypeNameConverter from System.Configuration.dll // Feel free to ask me for more details if you decide to do the conversion internal sealed class TimeoutValidator : ConfigurationValidatorBase { bool _zeroValid = false; internal TimeoutValidator(bool zeroValid) { _zeroValid = zeroValid; } public override bool CanValidate( Type type ) { return ( type == typeof( int ) || type == typeof( long ) ); } public override void Validate( object value ) { if (value == null) return; int timeout = (int)value; if (_zeroValid && timeout == 0) return; if (timeout <= 0 && timeout != System.Threading.Timeout.Infinite) { // Note [[....]] : This is a lab integration fix. Old code did not have any error message at this point // This code change accomplishes the same result. However its highly reccomended that a specific error message is givven // to the user so they know what exaclty is the problem ( i.e. the value must be a positive integer or be Infinite ) // To accomplish this - an exception with the specific error message could be thrown ( ArgumentException is prefferred ) throw new ConfigurationErrorsException(SR.GetString(SR.net_io_timeout_use_gt_zero)); } } } }
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