##// END OF EJS Templates
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r126:f7b2b8bfbb8c v2
r126:f7b2b8bfbb8c v2
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Safe.cs
86 lines | 2.7 KiB | text/x-csharp | CSharpLexer
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Diagnostics;
namespace Implab
{
public static class Safe
{
public static void ArgumentMatch(string value, string paramName, Regex rx) {
if (rx == null)
throw new ArgumentNullException("rx");
if (!rx.IsMatch(value))
throw new ArgumentException(String.Format("The prameter value must match {0}", rx), paramName);
}
public static void ArgumentNotEmpty(string value, string paramName) {
if (String.IsNullOrEmpty(value))
throw new ArgumentException("The parameter can't be empty", paramName);
}
public static void ArgumentNotEmpty<T>(T[] value, string paramName) {
if (value == null || value.Length == 0)
throw new ArgumentException("The array must be not emty", paramName);
}
public static void ArgumentNotNull(object value, string paramName) {
if (value == null)
throw new ArgumentNullException(paramName);
}
public static void ArgumentInRange(int value, int min, int max, string paramName) {
if (value < min || value > max)
throw new ArgumentOutOfRangeException(paramName);
}
public static void Dispose(params IDisposable[] objects)
{
foreach(var d in objects)
if (d != null)
d.Dispose();
}
[DebuggerStepThrough]
public static IPromise<T> InvokePromise<T>(Func<T> action) {
ArgumentNotNull(action, "action");
var p = new Promise<T>();
try {
p.Resolve(action());
} catch (Exception err) {
p.Reject(err);
}
return p;
}
[DebuggerStepThrough]
public static IPromise InvokePromise(Action action) {
ArgumentNotNull(action, "action");
var p = new Promise();
try {
action();
p.Resolve();
} catch (Exception err) {
p.Reject(err);
}
return p;
}
[DebuggerStepThrough]
public static IPromise<T> InvokePromise<T>(Func<IPromise<T>> action) {
ArgumentNotNull(action, "action");
try {
return action() ?? Promise<T>.ExceptionToPromise(new Exception("The action returned null"));
} catch (Exception err) {
return Promise<T>.ExceptionToPromise(err);
}
}
}
}