System, apparatus and method for transformation of java server pages into PVC formats

• US 7,836,395 B1
• Filed: 04/06/2000
• Issued: 11/16/2010
• Est. Priority Date: 04/06/2000
• Status: Expired due to Fees

• Current Assignee: LinkedIn Corporation (Microsoft Corporation)
• Original Assignee: International Business Machines Corporation
• Inventors: Francis, Arthur R., Topol, Brad B.
• Primary Examiner(s): Hong; Stephen S
• Assistant Examiner(s): Vaughn; Gregory J
• Application Number:
  US09/543,952
• Time in Patent Office: 3,876 Days
• Field of Search: 715/200, 715/201, 715/209, 715/210, 715/234, 715/239, 715/273, 715/500, 715/500.1, 715/513, 715/515, 715/516, 715/526
• US Class Current: 715/239
• CPC Class Codes: G06F 16/258 Data format conversion from or to a database

Abstract

A system, apparatus and method for transforming Java Server Pages (JSPs) into pervasive computing (PvC) device specific JSPs. An original JSP is parsed for JSP tags. The JSP tags are converted to HyperText Mark-up Language (HTML) comment tags. The JSP is then transformed into a PvC device specific JSP by converting the HTML tags in the JSP to HTML tags for a specific PvC device. The HTML comment tags are then parsed for the comment tags having embedded JSP tags. The JSP tags are then restored by removing the HTML comment tag identifiers. A PvC device specific JSP is thus created.

Claims

1. A method of transforming an original Java Server Page (JSP) file into a pervasive computing (PvC) device specific JSP file, comprising:

receiving a request for the original JSP file at a server, wherein the request is sent from the PvC device, and wherein the original JSP file is stored on the server;

parsing the original JSP file for JSP tags;

masking the JSP tags;

converting non-masked tags in the original JSP file into PvC device specific format tags;

unmasking the JSP tags; and

storing a transformed JSP file containing the PvC device specific format tags and the JSP tags, wherein the parsing, masking, converting, unmasking and storing steps are performed by the server.

2. The method of claim 1, wherein masking the JSP tags includes embedding the JSP tags into HyperText Mark-up Language (HTML) comment tags, wherein the embedding step is performed at the server.

3. The method of claim 2, wherein unmasking the JSP tags includes removing HTML comment tag identifiers from the HTML comment tags in which the JSP tags are embedded.

4. The method of claim 1, wherein storing the transformed JSP file includes storing the transformed JSP file with a filename that is unique to the particular PvC device for which the transformed JSP file is formatted.

5. The method of claim 4, wherein the filename has a unique extension for the PvC device for which the transformed JSP file is formatted.

6. The method of claim 1, wherein parsing the original JSP file comprises:

determining if a tag is encountered;

if a tag is encountered, determining if the tag is an HTML tag; and

if the tag is not an HTML tag, identifying the tag as a JSP tag.

7. The method of claim 6, wherein parsing the original JSP file further comprises:

if a tag is not encountered, writing the JSP file content to a resultant file;

if the tag is a HTML tag, writing the HTML tag to the resultant file; and

if the tag is a JSP tag, writing the JSP tag to the resultant file embedded in an HTML comment tag.

8. The method of claim 1, further comprising:

in response to receiving the request, determining a type of the PvC device based on a header of the request; and

locating the original JSP file in the server based on a filename of the original JSP file corresponding to the type of PvC device.

9. A server for transforming an original Java Server Page (JSP) file into a pervasive computing (PvC) device specific JSP file, the server comprising:

a processor; and

a storage device, connected to the processor, said storage device containing the original JSP file;

wherein the processor receives a request from a PvC device for the original JSP file, parses the original JSP file stored on the storage device for JSP tags, masks the JSP tags, converts non-masked tags in the original JSP file into PvC device specific format tags, unmasks the JSP tags, and stores a transformed JSP file containing the PvC device specific format tags and the JSP tags on the storage device.

10. The server of claim 9, wherein the processor masks the JSP tags by embedding the JSP tags into HyperText Mark-up Language (HTML) comment tags.

11. The server of claim 10, wherein the processor unmasks the JSP tags by removing HTML comment tag identifiers from the HTML comment tags in which the JSP tags are embedded.

12. The server of claim 9, wherein the processor stores the transformed JSP file with a filename that is unique to the particular PvC device for which the transformed JSP file is formatted.

13. The server of claim 12, wherein the filename has a unique extension for the PvC device for which the transformed JSP file is formatted.

14. The server of claim 9, wherein while the processor parses the JSP file the processor:

determines if a tag is encountered;

if a tag is encountered, determines if the tag is an HTML tag; and

if the tag is not an HTML tag, identifies the tag as a JSP tag.

15. The server of claim 9, wherein while the processor parses the JSP file, the processor further:

writes the JSP file content to a resultant file, if a tag is not encountered;

writes the HTML tag to the resultant file, if the tag is a HTML tag; and

writes the JSP tag to the resultant file embedded in an HTML comment tag, if the tag is a JSP tag.

16. A computer program product in a computer readable medium for transforming an original Java Server Page (JSP) file into a pervasive computing (PvC) device specific JSP file, comprising:

first instructions for receiving a request for the original JSP file at a server, wherein the request is sent from the PvC device, and wherein the original JSP file is stored on the server;

second instructions for parsing the original JSP file for JSP tags;

third instructions for masking the JSP tags;

fourth instructions for converting non-masked tags in the original JSP file into PvC device specific format tags;

fifth instructions for unmasking the JSP tags; and

sixth instructions for storing a transformed JSP file containing the PvC device specific format tags and the JSP tags, wherein the second, third, fourth, fifth, and sixth instructions are performed by the server.

17. The computer program product of claim 16, wherein the second instructions include instructions for embedding the JSP tags into HyperText Mark-up Language (HTML) comment tags, wherein embedding of JSP tags is performed at the server.

18. The computer program product of claim 17, wherein the fourth instructions include instructions for removing HTML comment tag identifiers from the HTML comment tags in which the JSP tags are embedded.

19. The computer program product of claim 16, wherein the fifth instructions include instructions for storing the transformed JSP file with a filename that is unique to the particular PvC device for which the transformed JSP file is formatted.

20. The computer program product of claim 19, wherein the filename has a unique extension for the PvC device for which the transformed JSP file is formatted.

21. The computer program product of claim 16, wherein the second instructions include instructions for:

determining if a tag is encountered;

if a tag is encountered, determining if the tag is an HTML tag; and

if the tag is not an HTML tag, identifying the tag as a JSP tag.

22. The computer program product of claim 21, wherein the second instructions further include instructions for:

writing the JSP file content to a resultant file, if a tag is not encountered;

writing the HTML tag to the resultant file, if the tag is an HTML tag; and

writing the JSP tag to the resultant file embedded in an HTML comment tag, if the tag is a JSP tag.

23. The computer program product of claim 16, further comprising:

in response to receiving the request, seventh instructions for determining a type of the PvC device based on a header of the request; and

eighth instructions for locating the original JSP file in the server based on a filename of the original JSP file corresponding to the type of PvC device.

24. A system for transforming an original Java Server Page (JSP) file into a pervasive computing (PvC) device specific JSP file, comprising:

means for receiving a request for the original JSP file at a server, wherein the request is sent from the PvC device, and wherein the original JSP file is stored on the server;

means for parsing the original JSP file for JSP tags;

means for masking the JSP tags;

means for converting non-masked tags in the original JSP file into PvC device specific format tags;

means for unmasking the JSP tags; and

means for storing a transformed JSP file containing the PvC device specific format tags and the JSP tags, wherein the means for parsing, masking, converting, unmasking and storing are performed by the server.

25. The system of claim 24, wherein the means for masking embeds the JSP tags into HyperText Mark-up Language (HTML) comment tags, wherein embedding of JSP tags is performed at the server.

26. The system of claim 25, wherein the means for unmasking removes HTML comment tag identifiers from the HTML comment tags in which the JSP tags are embedded.

27. The system of claim 24, wherein the means for storing stores the transformed JSP file with a filename that is unique to the particular PvC device for which the transformed JSP file is formatted.

28. The system of claim 27, wherein the filename has a unique extension for the PvC device for which the transformed JSP file is formatted.

29. The system of claim 24, wherein the means for parsing determines if a tag is encountered, determines if the tag is an HTML tag, if a tag is encountered, and if the tag is not an HTML tag, identifies the tag as a JSP tag.

30. The system of claim 29, wherein the means for parsing further writes the JSP file content to a resultant file, if a tag is not encountered, writes the HTML tag to the resultant file, if the tag is an HTML tag, and writes the JSP tag to the resultant file embedded in an HTML comment tag, if the tag is a JSP tag.

31. The system of claim 24, further comprising:

in response to receiving the request, means for determining a type of the PvC device based on a header of the request; and

means for locating the original JSP file in the server based on a filename of the original JSP file corresponding to the type of PvC device.