1WebCommon.incomingValue(3kaya)Kaya module referencWeebCommon.incomingValue(3kaya)
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6 WebCommon::incomingValue - Returns the first value for the specified
7 key from user-supplied data
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10 String incomingValue( String key, DataSource ds )
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13 key The key to retrieve data for
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15 ds The source for user-supplied data
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18 Returns the first value for the key from the specified data source, or
19 throws a WebCommon.NotIncoming (3kaya) Exception if no such key exists.
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22 // GET /example.cgi?a=1;b=3;b=5;z=;z;z
23 val = incomingData("a",DataGet);
24 // val = "1"
25 val = incomingData("b",DataGet);
26 // val = "3"
27 val = incomingData("c",DataGet);
28 // NotIncoming exception thrown
29 val = incomingData("z",DataGet);
30 // val = ""
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32 This is generally easier to use than WebCommon.incomingData (3kaya) if
33 only one value is expected for that key.
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36 Kaya standard library by Edwin Brady, Chris Morris and others
37 (kaya@kayalang.org). For further information see http://kayalang.org/
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40 The Kaya standard library is free software; you can redistribute it
41 and/or modify it under the terms of the GNU Lesser General Public
42 License (version 2.1 or any later version) as published by the Free
43 Software Foundation.
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46 WebCommon.DataSource (3kaya)
47 WebCommon.incomingData (3kaya)
48 WebCommon.incomingExists (3kaya)
49 WebCommon.incomingKeys (3kaya)
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53Kaya December 2010 WebCommon.incomingValue(3kaya)