added Assert class to simplify method parameter validation

This commit is contained in:
Christian Kerl 2011-01-07 23:01:34 +01:00
parent 928dc80b5e
commit 4d8fae2fbe

34
Util/Assert.php Normal file
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<?php
/*
* This file is part of the WebServiceBundle.
*
* (c) Christian Kerl <christian-kerl@web.de>
*
* This source file is subject to the MIT license that is bundled
* with this source code in the file LICENSE.
*/
namespace Bundle\WebServiceBundle\Util;
/**
*
* @author Christian Kerl <christian-kerl@web.de>
*/
class Assert
{
const ARGUMENT_INVALID = "Argument '%s' is invalid!";
const ARGUMENT_NULL = "Argument '%s' can't be null!";
public static function thatArgument($name, $condition, $message = self::ARGUMENT_INVALID)
{
if(!$condition)
{
throw new \InvalidArgumentException(sprintf($message, $name));
}
}
public static function thatArgumentNotNull($name, $value)
{
self::thatArgument($name, $value != null, self::ARGUMENT_NULL);
}
}