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67 lines
2.4 KiB
67 lines
2.4 KiB
12 years ago
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using System.Collections;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Diagnostics;
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using System.Linq;
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using NzbDrone.Common.EnsureThat.Resources;
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namespace NzbDrone.Common.EnsureThat
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{
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public static class EnsureCollectionExtensions
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{
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[DebuggerStepThrough]
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public static Param<T> HasItems<T>(this Param<T> param) where T : class, ICollection
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{
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if (param.Value == null || param.Value.Count < 1)
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throw ExceptionFactory.CreateForParamValidation(param.Name, ExceptionMessages.EnsureExtensions_IsEmptyCollection);
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return param;
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}
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[DebuggerStepThrough]
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public static Param<Collection<T>> HasItems<T>(this Param<Collection<T>> param)
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{
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if (param.Value == null || param.Value.Count < 1)
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throw ExceptionFactory.CreateForParamValidation(param.Name, ExceptionMessages.EnsureExtensions_IsEmptyCollection);
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return param;
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}
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[DebuggerStepThrough]
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public static Param<IEnumerable<T>> HasItems<T>(this Param<IEnumerable<T>> param)
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{
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if (param.Value == null || !param.Value.Any())
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throw ExceptionFactory.CreateForParamValidation(param.Name, ExceptionMessages.EnsureExtensions_IsEmptyCollection);
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return param;
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}
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[DebuggerStepThrough]
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public static Param<T[]> HasItems<T>(this Param<T[]> param)
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{
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if (param.Value == null || param.Value.Length < 1)
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throw ExceptionFactory.CreateForParamValidation(param.Name, ExceptionMessages.EnsureExtensions_IsEmptyCollection);
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return param;
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}
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[DebuggerStepThrough]
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public static Param<List<T>> HasItems<T>(this Param<List<T>> param)
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{
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if (param.Value == null || param.Value.Count < 1)
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throw ExceptionFactory.CreateForParamValidation(param.Name, ExceptionMessages.EnsureExtensions_IsEmptyCollection);
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return param;
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}
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[DebuggerStepThrough]
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public static Param<IDictionary<TKey, TValue>> HasItems<TKey, TValue>(this Param<IDictionary<TKey, TValue>> param)
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{
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if (param.Value == null || param.Value.Count < 1)
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throw ExceptionFactory.CreateForParamValidation(param.Name, ExceptionMessages.EnsureExtensions_IsEmptyCollection);
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return param;
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}
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}
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}
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