File transforming output engine having a decomposer and multiple writers

1. An output engine operable to convert a file from a first format to a second format, the output engine comprising:

a decomposer operable to be called by a calling application and to receive a file and a desired file format from the calling application, the decomposer operable to decompose the file into a component architecture; and

a writer operable to call the decomposer multiple times to retrieve the component architecture of the file and generate a new version of the file in the second format.

2. An output engine as claimed in claim 1 , further comprising a second writer operable to call the decomposer multiple times to retrieve the component architecture of the file and generate a new version of the file in a third format.

3. An output engine as claimed in claim 1 , wherein the decomposer includes a job processor.

4. An output engine as claimed in claim 3 , wherein the job processor is operable to load pages of the file and associate data with each page.

5. An output engine as claimed in claim 3 , wherein the decomposer includes a writer interface.

6. An output engine as claimed in claim 5 , wherein the decomposer includes a calling application interface.

7. An output engine as claimed in claim 3 , wherein the writer includes a job processor interface.

8. An output engine operable to convert a file from a first format to a second format, the output engine comprising:

a decomposer operable to be called by a calling application and to receive a file and a desired file format from the calling application, the decomposer operable to decompose the file into a component architecture and make the component architecture available to a writer, the component architecture including objects included in the file; and

a writer operable to call the decomposer multiple times to retrieve the objects included in the file and generate a new version of the file in the second format, wherein the writer includes a layer processor, a collection processor, and an item processor.

9. An output engine as claimed in claim 8 , wherein the writer includes a stack and an output module.

10. A method of converting an input file from a first format to a second format, the method comprising:

delivering a desired file format and the input file to a decomposer;

decomposing the input file into a component architecture in the decomposer, the component architecture including properties of objects included in the input file;

making the component architecture available to a writer; and

generating a new version of the input file in the second format by calling the decomposer multiple times from a writer to obtain the properties of the objects included in the input file.

11. A method of converting an input file as claimed in claim 10 , the method further comprising:

sending the new version of the input file to a second writer; and

generating a new version of the input file in a third format.

12. A method of converting an input file as claimed in claim 10 , the method further comprising converting the input file from a fourth format to a common file format prior to delivering the input file to a decomposer.

13. A method of converting an input file having a plurality of pages and formatted in a first format to an output file formatted in a second format, the method comprising:

receiving a file conversion request from a calling application;

loading each page of the input file, one page at a time, in a decomposer;

associating data with one or more of the plurality of pages;

decomposing objects in each page into a component architecture, the component architecture including properties of objects included in the input file;

making the component architecture available to a writer;

driving each page to a writer; and

generating the output file by calling a decomposer multiple times from a writer in order to obtain the properties of objects included in the input file.

14. A method as claimed in claim 13 , further comprising:

executing a plurality of writers in a chained fashion.

15. A method as claimed in claim 13 , further comprising

sending the output file to a second writer; and

generating a new version of the output file in a third format.

16. A method of converting an input file having a plurality of pages and formatted in a first format to an output file formatted in a second format, the method comprising:

receiving a file conversion request from a calling application;

loading each page of the input file, one page at a time, in a decomposer;

associating data with one or more of the plurality of pages;

determining layers, collections, and items in each page;

pushing the determined layers, collections, and items onto a stack;

decomposing objects in each page into a component architecture, the component architecture including properties of objects included in the input file;

making the component architecture available to a writer;

driving each page to a writer;

assembling the determined layers, collections, and items into the output file; and

generating the output file by calling a decomposer multiple times from a writer in order to obtain the properties of objects included in the input file.

17. A file conversion system comprising:

a workstation having a source application, an output engine, and a document manager, the output engine including

a decomposer operable to be called by a calling application and to receive a file and a desired file format from the calling application, the decomposer operable to decompose the file into a component architecture, the component architecture including properties of objects included in the file; and

a writer operable to call the decomposer multiple times to retrieve the properties of the objects included in the file and generate a new version of the file in the second format,

a form data database and a form database, each accessible to the workstation; and

a server accessible to the workstation and having a document control and production engine.

18. A system as claimed in claim 17 , wherein the output engine further comprises a second writer operable to call the decomposer multiple times to retrieve the component architecture of the file and generate a new version of the file in a third format.

19. A system as claimed in claim 17 , wherein the decomposer includes a job processor.

20. A system as claimed in claim 19 , wherein the job processor is operable to load pages of the file and associate data with each page.

21. A system as claimed in claim 19 , wherein the decomposer includes a writer interface.

22. A system as claimed in claim 21 , wherein the decomposer includes a calling application interface.

23. A system as claimed in claim 19 , wherein the writer includes a job processor interface.

24. A system as claimed in claim 17 , further comprising a converter accessible to the workstation and operable to convert files from a foreign format to a common format.

25. A file conversion system comprising:

a workstation having a source application, an output engine, and a document manager, the output engine including

a decomposer operable to be called by a calling application and to receive a file and a desired file format from the calling application, the decomposer operable to decompose the file into a component architecture, the component architecture including objects included in the file; and

a writer operable to call the decomposer multiple times to retrieve the objects included in the file and generate a new version of the file in the second format, the writer including a layer processor, a collection processor, and an item processor,

a form data database and a form database, each accessible to the workstation; and

a server accessible to the workstation and having a document control and production engine.

26. A system as claimed in claim 24 , wherein the writer includes a stack and an output module.

27. A method of converting an input file from a first format to a second format, the method comprising:

delivering a desired file format and the input file to a decomposer;

decomposing the input file into a component architecture in the decomposer;

generating at least one data file, the at least one data file representing an aspect of a document;

generating an object model for the at least one data file, the object model having one or more objects;

making the object model for the at least one data file available to a writer; and

generating a new version of the input file in the second format by calling the decomposer multiple times from a writer.

28. A method as claimed in claim 27 , further comprising:

delivering a writer identifier to the decomposer;

selecting a writer based on the writer identifier; and

making the object model for the at least one data file available to the selected writer.

29. A method as claimed in claim 27 , wherein the input file includes a plurality of pages and the method further comprises loading each page of the input file and associating data with each page in a job processor.

30. An output engine operable to convert a file from a first format to a second format, the output engine comprising:

a decomposer operable to be called by a calling application and to receive, from the calling application, a file, a desired file format, and a set of parameters used to set properties of a plurality of writers, the decomposer operable to decompose the file into a component architecture; and

a plurality of writers, each writer having an identifier and configured to be selected according to at least one of the set of parameters used to set properties of a plurality of writers, and to call the decomposer multiple times to retrieve the component architecture of the file and generate a new version of the file in the second format.