NAME¶
WebCommon::incomingValue - Returns the first value for the specified key from
user-supplied data
SYNOPSIS¶
String incomingValue( String key, DataSource ds )
ARGUMENTS¶
key The key to retrieve data for
ds The source for user-supplied data
DESCRIPTION¶
Returns the first value for the key from the specified data source, or throws a
WebCommon.NotIncoming (3kaya) Exception if no such key exists.
-
-
// GET /example.cgi?a=1;b=3;b=5;z=;z;z
val = incomingData("a",DataGet);
// val = "1"
val = incomingData("b",DataGet);
// val = "3"
val = incomingData("c",DataGet);
// NotIncoming exception thrown
val = incomingData("z",DataGet);
// val = ""
This is generally easier to use than
WebCommon.incomingData (3kaya) if
only one value is expected for that key.
AUTHORS¶
Kaya standard library by Edwin Brady, Chris Morris and others
(kaya@kayalang.org). For further information see
http://kayalang.org/
LICENSE¶
The Kaya standard library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public License (version
2.1 or any later version) as published by the Free Software Foundation.
WebCommon.DataSource (3kaya)
WebCommon.incomingData (3kaya)
WebCommon.incomingExists (3kaya)
WebCommon.incomingKeys (3kaya)
