/**
* Returns a Boolean with a value represented by the specified String.
*
* If the passed string has the primitive value TRUE or 1 then the
* returned object is initialized with the primitive value TRUE else
* with FALSE.
*
* @param \AppserverIo\Lang\Strng $string Holds the String object to get the Boolean representation for
*
* @return \AppserverIo\Lang\Boolean The Boolean object representing the specified String.
*/
public static function valueOf(Strng $string)
{
// if the passed value is "true" or "1" then return a new Boolean
// object initialized with true
if ($string->equals(new Strng("1")) || $string->equals(new Strng("true")) || $string->equals(new Strng("yes")) || $string->equals(new Strng("on")) || $string->equals(new Strng("y"))) {
return new Boolean(true);
}
// else return a new Boolean object initialized with false
return new Boolean(false);
}
/**
* This test checks the Strng's valueOf method.
*
* @return void
*/
public function testValueOf()
{
// initialize a new Strng instance
$string = Strng::valueOf($value = 'value of');
// check that Strng was successfully concatenated
$this->assertTrue($string->equals(new Strng($string)));
}
/**
* This method returns the class as
* a string representation.
*
* @return string The objects string representation
* @see \AppserverIo\Lang\Object::__toString()
*/
public function __toString()
{
$string = new Strng($this->value);
return $string->stringValue();
}
/**
* Returns a new String, containing the concatenated value
* of the this string with the passed one.
*
* @param \AppserverIo\Lang\Strng $string The String to concatenate
*
* @return \AppserverIo\Lang\Strng The concatenated String
*/
public function concat(Strng $string)
{
return new Strng($this->stringValue() . $string->stringValue());
}
