Application Message Conversion Using A Feed Adapter

• US 20080141272A1
• Filed: 12/06/2006
• Published: 06/12/2008
• Est. Priority Date: 12/06/2006
• Status: Active Grant

• Current Assignee: International Business Machines Corporation
• Original Assignee: International Business Machines Corporation
• Inventors: Duigenan, John J., Borgendale, Kenneth W.
• Granted Patent: US 8,695,015 B2
• Time in Patent Office: Days
• US Class Current: 719/313
• CPC Class Codes: G06Q 10/107 Computer-aided management of electronic mailing [e-mailing]
• CPC Class Codes: G06Q 40/04 Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
• CPC Class Codes: H04L 67/56 Provisioning of proxy services store-and-forward switching systems in data switching networks H04L12/54
• CPC Class Codes: H04L 67/565 Conversion or adaptation of application format or content adding application control or application functional data H04L67/561

Abstract

Methods, apparatus, and products are disclose for application message conversion using a feed adapter that include providing a feed adapter capable of application message conversion, the feed adapter comprising a plurality of conversion functions, each conversion function capable of converting data from one format to another format; establishing, on the feed adapter, a configuration policy that specifies a conversion rule from an input message format to an output message format using at least one of the conversion functions; receiving, in the feed adapter, an application message having the input message format; and converting, by the feed adapter, the application message having the input message format to an application message having the output message format according to the conversion rule of the configuration policy.

Claims

1. A method of application message conversion using a feed adapter, the method comprising:

providing a feed adapter capable of application message conversion, the feed adapter comprising a plurality of conversion functions, each conversion function capable of converting data from one format to another format;

establishing, on the feed adapter, a configuration policy that specifies a conversion rule from an input message format to an output message format using at least one of the conversion functions;

receiving, in the feed adapter, an application message having the input message format; and

converting, by the feed adapter, the application message having the input message format to an application message having the output message format according to the conversion rule of the configuration policy.

2. The method of claim 1 wherein converting, by the feed adapter, the application message having the input message format to an application message having the output message format according to the conversion rule of the configuration policy further comprises:

calling each of the conversion functions used to specify the conversion rule in dependence upon the application message having the input message format;

receiving, in return from each of the called conversion functions, a value; and

storing each of the received values in the application message having the output message format.

3. The method of claim 1 wherein:

the input message format comprises an input field format;

the output message format comprises an output field format; and

one of the conversion functions is capable of;

converting data from the input field format to the output field format, and

returning the converted data having the output field format.

4. The method of claim 1 wherein one of the conversion functions is capable of:

calculating a value in dependence upon the application message having the input message format; and

returning the calculated value.

5. The method of claim 1 wherein:

each of the conversion functions has an argument signature;

the conversion rule specifies one or more arguments for a conversion function, each argument having a type; and

converting, by the feed adapter, the application message having the input message format to an application message having the output message format according to the conversion rule of the configuration policy further comprises;

determining whether the types of the arguments specified by the conversion rule for the conversion function match the argument signature of the conversion function, and

converting the types of the arguments specified by the conversion rule for the conversion function to match the argument signature of the conversion function if the types of the arguments specified by the conversion rule for the conversion function do not match the argument signature.

6. The method of claim 1 further comprising transmitting, by the feed adapter to a message receiving device on a message stream, the application message having the output message format.

7. The method of claim 6 further comprising brokering, by a stream administration server, establishment of the message stream from the feed adapter to the message receiving device.

8. The method of claim 6 wherein the message receiving device is a subscribing client device.

9. The method of claim 1 wherein the application message further comprises financial market data.

10. An apparatus for application message conversion using a feed adapter, the apparatus comprising a computer processor, a computer memory operatively coupled to the computer processor, the computer memory having disposed within it computer program instructions capable of:

providing a feed adapter capable of application message conversion, the feed adapter comprising a plurality of conversion functions, each conversion function capable of converting data from one format to another format;

establishing, on the feed adapter, a configuration policy that specifies a conversion rule from an input message format to an output message format using at least one of the conversion functions;

receiving, in the feed adapter, an application message having the input message format; and

converting, by the feed adapter, the application message having the input message format to an application message having the output message format according to the conversion rule of the configuration policy.

11. The apparatus of claim 10 wherein converting, by the feed adapter, the application message having the input message format to an application message having the output message format according to the conversion rule of the configuration policy further comprises:

calling each of the conversion functions used to specify the conversion rule in dependence upon the application message having the input message format;

receiving, in return from each of the called conversion functions, a value; and

storing each of the received values in the application message having the output message format.

12. The apparatus of claim 10 wherein:

each of the conversion functions has an argument signature;

the conversion rule specifies one or more arguments for a conversion function, each argument having a type; and

converting, by the feed adapter, the application message having the input message format to an application message having the output message format according to the conversion rule of the configuration policy further comprises;

determining whether the types of the arguments specified by the conversion rule for the conversion function match the argument signature of the conversion function, and

converting the types of the arguments specified by the conversion rule for the conversion function to match the argument signature of the conversion function if the types of the arguments specified by the conversion rule for the conversion function do not match the argument signature.

13. A computer program product for application message conversion using a feed adapter, the computer program product disposed upon a signal bearing medium, the computer program product comprising computer program instructions capable of:

establishing, on the feed adapter, a configuration policy that specifies a conversion rule from an input message format to an output message format using at least one of a plurality of conversion functions comprised on the feed adapter, each conversion function capable of converting data from one format to another format;

receiving, in the feed adapter, an application message having the input message format; and

converting, by the feed adapter, the application message having the input message format to an application message having the output message format according to the conversion rule of the configuration policy.

14. The computer program product of claim 13 wherein the signal bearing medium comprises a recordable medium.

15. The computer program product of claim 13 wherein the signal bearing medium comprises a transmission medium.

16. The computer program product of claim 13 wherein converting, by the feed adapter, the application message having the input message format to an application message having the output message format according to the conversion rule of the configuration policy further comprises:

calling each of the conversion functions used to specify the conversion rule in dependence upon the application message having the input message format;

receiving, in return from each of the called conversion functions, a value; and

storing each of the received values in the application message having the output message format.

17. The computer program product of claim 13 wherein:

the input message format comprises an input field format;

the output message format comprises an output field format; and

one of the conversion functions is capable of;

converting data from the input field format to the output field format, and

returning the converted data having the output field format.

18. The computer program product of claim 13 wherein one of the conversion functions is capable of:

calculating a value in dependence upon the application message having the input message format; and

returning the calculated value.

19. The computer program product of claim 13 wherein:

each of the conversion functions has an argument signature;

the conversion rule specifies one or more arguments for a conversion function, each argument having a type; and

converting, by the feed adapter, the application message having the input message format to an application message having the output message format according to the conversion rule of the configuration policy further comprises;

determining whether the types of the arguments specified by the conversion rule for the conversion function match the argument signature of the conversion function, and

converting the types of the arguments specified by the conversion rule for the conversion function to match the argument signature of the conversion function if the types of the arguments specified by the conversion rule for the conversion function do not match the argument signature.

20. The computer program product of claim 13 further comprising computer program instructions capable of transmitting, by the feed adapter to a message receiving device on a message stream, the application message having the output message format.