Message parsing in message processing systems

Details Message parsing in message processing systems Message parsing in message processing systems

2005-04-26

2005-04-26

Lao, Sue (Department: 2126)

Electrical computers and digital processing systems: interprogra

Interprogram communication using message

Reexamination Certificate

active

06886166

ABSTRACT:
Methods are provided for parsing, in a message parser P1, P2of a message processing system1, a plurality of messages comprising respective corresponding sets of data fields arranged in a predetermined format, to extract a corresponding data field from each message. The format is defined by format information which is stored in the system1and which indicates a name for each data field in a said set. In response to a handle request, which indicates the name of a required data field, received from a component2, 3, 6of the system, the format information is accessed to determine the location of the required data field in a said message. A handle, indicative of this location, is then supplied to the component. In response to subsequent parsing requests, each comprising the handle and a said message, from the component, the required data field is extracted from the message in each parsing request according to the location indicated by the handle. Message parsing apparatus for handling a plurality of different message formats is also provided. The apparatus4may include a plurality of message parsers P1, P2, one for each message format, and a parsing manager6.The parsing manager6manages communications between system applications2, 3and the parsers P1, P2to enable different-format message series to be parsed by the appropriate parsers using the improved parsing methods.

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