System for designing and performing web application

• US 20020026447A1
• Filed: 03/05/2001
• Published: 02/28/2002
• Est. Priority Date: 08/15/2000
• Status: Active Grant

• Current Assignee: Fujitsu Limited
• Original Assignee: Fujitsu Limited
• Inventors: Matsutsuka, Takahide, Nomura, Yoshihide
• Granted Patent: US 7,099,958 B2
• Time in Patent Office: Days
• US Class Current: 707/103Y
• CPC Class Codes: G06F 16/972 Access to data in other repository systems, e.g. legacy data or dynamic Web page generation
• CPC Class Codes: G06F 8/35 model driven
• CPC Class Codes: H04L 67/02 based on web technology, e.g. hypertext transfer protocol [HTTP]
• CPC Class Codes: H04L 67/14 Session management for real-time applications in data packet communications networks H04L65/1066
• CPC Class Codes: H04L 67/306 User profiles
• CPC Class Codes: H04L 67/34 involving the movement of software or configuration parameters network booting or remote initial program loading [RIPL] G06F9/4416
• CPC Class Codes: H04L 69/329 in the application layer [OSI layer 7]
• CPC Class Codes: H04L 9/40 Network security protocols

Abstract

When an application server for performing a Web application is developed, a framework describing each of the modules of data, a logic, and a screen is provided. To attain this, the input contents of a Web page are converted into a data object, the combination of the type of the data object and a command is mapped in each process routine using a first foreign definition file, a process routine to be executed is determined from among prepared process logics based on the type of the data object, the command, and the first foreign definition file, and the combination of an execution result of the process logic and the type of the displaying data object is mapped in the displaying component using a second foreign definition file. These files are provided in the application server.

Claims

1. A Web system in which a server processes a request from a client, and returns a response to the client, comprising:

a request conversion unit converting the request into a data object;

a processing unit processing the request converted into the data object; and

a response conversion unit converting the data object obtained as a result of the process.

2. A system which performs a Web application, comprising:

an input contents conversion unit converting input contents into a data object;

a process logic comprising a plurality of process routines;

a first foreign definition file mapping a combination of a type of the data object and a command in each of the process routines; and

a process routine determination unit determining a process routine to be performed from among the process routines of said process logic based on the type of the data object, the command, and said first foreign definition file.

3. The system according to claim 2, wherein

said input contents conversion unit generating the data object by defining a specific item of a data input page described by an HTML (HyperText Markup Language) as a class name of the data object, and setting a name of each input column provided on the data input page corresponding to an attribute of the data object.

6. The system according to claim 2, further comprising:

an XML mapping file mapping a tag of an XML (extensible Markup Language) and a data object; and

an XML data binding engine converting an XML tag and a data object each other;

wherein

when a tag described by the XML as the input contents is received,

said XML data binding engine converts the received tag into the data object based on the received tag and the XML mapping file;

said process routine determination unit determines a process routine to be performed from among the process routines of said process logic based on the data object, the received tag, and said first foreign definition file; and

said XML data binding engine converts the data object obtained as a process result of said process logic into a tag of the XML.

7. The system according to claim 6, wherein

said XML mapping file maps a tag of the XML indicating that a process specified by data transmitted through an HTTP (HyperText Transfer Protocol) is to be performed in a same type of data object as an object obtained when said input contents conversion unit converts data.

8. The system according to claim 2, wherein

each process routine of said process logic is attribute-defined in any of time scopes stepwise defined based on correspondence in relative length on a time axis of each processing time of the process routine;

each process routine of said process logic is performed by being dispatched from a scope attribute-defined as having a relatively long processing time to a scope attribute-defined as having a relatively short processing time.

9. The system according to claim 8, wherein

said process routine attribute-defined for any of the time scopes is provided with an interface for a preprocessor in a process performed by the process routine.

10. The system according to claim 9, wherein

said interface for the preprocessor includes a check routine for determining whether or not a process to be performed by the process routine can be performed.

11. The system according to claim 8, wherein

said process routine attribute-defined for any of the time scopes is provided with an interface for a postprocessor in a process performed by the process routine.

12. The system according to claim 11, wherein

said interface for the postprocessor includes an error handling process for allowing a system recover from an error occurring when the process routine is performed.

13. The system according to claim 8, wherein

said process routine attribute-defined for a time scope is restricted in an operation of a single thread.

4. The system which performs a Web application, comprising:

a process logic comprising a plurality of process routines; and

a second foreign definition file mapping a combination of a process result of said process logic and a type of a displaying data object in displaying component parts.

5. The system according to claim 4, further comprising:

a template file prescribing a method of arranging displaying component parts to be arranged on a page to be displayed; and

an output unit outputting a plurality of process results of said process logic based on said template file.

14. A Web system in which a server processes a request from a client, and returns a response to the client, comprising:

an object processed by the server at the request, and attribute-defined for any of a plurality of time scopes stepwise defined based on correspondence in relative length on a time axis of a processing time of the object; and

an object execution unit dispatching and executing objects from an object attribute-defined as having a scope of a relatively long processing time to an object attribute-defined as having a scope of a relatively short processing time.

15. The system according to claim 14;

wherein

each of said objects is attribute-defined for any of four types of time scopes.

16. A Web system in which a server processes a request from a client, and returns a response to the client, said server comprising:

an execution unit executing a process routine invoked at the request; and

a monitor unit monitoring an operation of a process performed by the process routine, receiving an inquiry addressed to the client generated by the execution of the process routine by said execution unit, issuing the inquiry to the client for said execution unit, receiving an answer of the client to the inquiry, and returning the answer to the execution unit;

wherein

said execution unit maintains executing a same process routine during a period from issue of the inquiry to reception of the answer.

17. A system which performs a Web application, comprising:

input contents conversion means for converting input contents into a data object;

a process logic comprising a plurality of process routines;

a first foreign definition file mapping a combination of a type of the data object and a command in each of the process routines; and

process routine determination means for determining a process routine to be performed from among the process routines of said process logic based on the type of the data object, the command, and said first foreign definition file.

18. A method for performing a Web application, comprising

converting input contents into a data object;

referring to a first foreign definition file in which a combination of a type of the data object and a command is mapped in each process routine; and

determining a process routine to be performed based on the type of the data object, the command, and the first foreign definition file.

19. A computer-readable storage medium storing a control program used to direct a computer to control execution of a Web application, said control program directing the computer to perform the processes of:

converting input contents into a data object;

referring to a first foreign definition file in which a combination of a type of the data object and a command is mapped in each process routine; and

determining a process routine to be performed based on the type of the data object, the command, and the first foreign definition file.

20. A computer data signal embodied by a carrier, and representing a control program used to direct a computer to control execution of a Web application, said control program directing the computer to perform the processes of:

converting input contents into a data object;

referring to a first foreign definition file in which a combination of a type of the data object and a command is mapped in each process routine; and

determining a process routine to be performed based on the type of the data object, the command, and the first foreign definition file.

21. An apparatus which is provided on a server side on which various data is transmitted to or received from a client, and generates a document representing a Web page screen indicating data provided for the client, comprising:

a data object storage unit storing a data object having data to be provided for the client and is provided with an interface representing a data structure of the data;

a definition sentence storage unit storing a definition sentence defining a displaying method on the Web page screen about the data of the data object; and

a document generation unit generating a document representing a Web page screen on which the data is displayed with the data of the data object associated with the definition sentence based on the interface provided in the data object.

22. The apparatus according to claim 21, wherein

said definition sentence is defined by JavaServer Pages (JSP);

said document generation unit generates the document from the definition sentence defined by the JSP.

23. The apparatus according to claim 21, further comprising:

a data class obtaining unit obtaining a data class which is an attribute defined corresponding to the data structure, wherein

said document generation unit selects the definition sentence to be associated with the data of the data object based on the data class.

24. The apparatus according to claim 21, further comprising:

a request obtaining unit obtaining a request containing data input to an input form shown on a Web page screen represented in a document generated by said document generation unit, said request being transmitted from the client; and

a data update unit updating data, into data contained in the request, at a specified position in a data structure represented by an interface specified by a character string based on the character string contained in the request with the data and contained in the document generated by said document generation unit based on the character string comprising a character string specifying an interface as a base of generation of the document and a character string indicating a specific position in the data structure represented by the interface.

25. The apparatus according to claim 24, wherein

said character string contained with the data in the request specifies a parameter name referring to the data input to the input form.

26. The apparatus according to claim 24, wherein

said request contains the data about the document generated based on different interfaces and the character string.

27. The apparatus according to claim 24, wherein

said data update unit updates the data of the data object stored in the data object storage unit into data contained in the request.

28. The apparatus according to claim 24, wherein:

said character string contained with the data in the request is obtained by combining a character string comprising a character string specifying an interface as a base of generation of the document and a character string indicating a specific position in a data structure represented by the interface, with a character string comprising a character string specifying an interface representing a data structure of a data group at the position and a character string indicating a specific position in a data structure represented by the interface; and

said data update unit updates data at a specified position in a data structure further contained at a specific position in a data structure specified in the character string into data contained in the request.

29. An apparatus which is provided on a server side on which various data is transmitted to or received from a client, and generates a document representing a Web page screen indicating data provided for the client, comprising:

data object storage means for storing a data object having data to be provided for the client and is provided with an interface representing a data structure of the data;

definition sentence storage means for storing a definition sentence defining a displaying method on the Web page screen about the data of the data object; and

document generation means for generating a document representing a Web page screen on which the data is displayed with the data of the data object associated with the definition sentence based on the interface provided in the data object.

30. A method for generating a document representing a Web page screen indicating data provided for the client on a server side on which various data is transmitted to or received from a client, comprising:

obtaining a data object having data to be provided for the client and is provided with an interface representing a data structure of the data;

obtaining a definition sentence defining a displaying method on the Web page screen about the data of the data object; and

generating a document representing a Web page screen on which the data is displayed with the data of the data object associated with the definition sentence based on the interface provided in the data object.

31. A computer-readable storage medium storing a control program used to direct a computer to control generation of a document representing a Web page screen on which data to be provided for a client is displayed on a server transmitting and receiving various data to and from the client, said control program directing the computer to perform the processes of:

obtaining a data object having data to be provided for the client and is provided with an interface representing a data structure of the data;

obtaining a definition sentence defining a displaying method on the Web page screen about the data of the data object; and

generating a document representing a Web page screen on which the data is displayed with the data of the data object associated with the definition sentence based on the interface provided in the data object.

32. A computer data signal embodied by a carrier, and representing a control program used to direct a computer to control generation of a document representing a Web page screen on which data to be provided for a client is displayed on a server transmitting and receiving various data to and from the client, said control program directing the computer to perform the processes of:

obtaining a data object having data to be provided for the client and is provided with an interface representing a data structure of the data;

obtaining a definition sentence defining a displaying method on the Web page screen about the data of the data object; and

generating a document representing a Web page screen on which the data is displayed with the data of the data object associated with the definition sentence based on the interface provided in the data object.

33. An apparatus which is provided on a server side on which various data is transmitted to or received from a client, and generates a document representing a Web page screen indicating data provided for the client, comprising:

a process logic storage unit storing a process logic defining contents of a process;

an execution condition storage unit storing an execution condition of the process logic;

a process logic name generation unit generating a character string which refers to a name of the process logic; and

a document generation unit generating a document invoking the process logic using the character string to allow a client to invoke and perform the process logic when an event matching the execution condition occurs on a client side.

34. The apparatus according to claim 33, wherein

said process logic is defined by a script.

35. The apparatus according to claim 33, wherein

said process logic storage unit and said execution condition storage unit respectively store the process logic and the execution condition in a same component for which the process logic and the execution condition are defined.

36. The apparatus according to claim 33, wherein

said process logic storage unit stores a plurality of process logics

said apparatus further comprises

a process logic generation unit generating a process logic for sequentially executing the process logics having same execution conditions when any of said plurality of process logics share same execution conditions;

and

said process logic name generation unit generates character strings which refer to different names for the plurality of process logics and a process logic generated by said process logic generation unit; and

said document generation unit generates a document used when a process logic generated by said process logic generation unit using the character string to allow a client to invoke and execute the process logic when an event matching the same execution condition occurs on the client side.

37. The apparatus according to claim 33, further comprising

a confirmation unit confirming validity of correspondence between the process logic and an execution condition of the process logic.

38. An apparatus which is provided on a server side on which various data is transmitted to or received from a client, and generates a document representing a Web page screen indicating data provided for the client, comprising:

process logic storage means for storing a process logic defining contents of a process;

execution condition storage means for storing an execution condition of the process logic;

process logic name generation means for generating a character string which refers to a name of the process logic; and

document generation means for generating a document invoking the process logic using the character string to allow a client to invoke and perform the process logic when an event matching the execution condition occurs on a client side.

39. A method for generating a document representing a Web page screen indicating data provided for the client on a server side on which various data is transmitted to or received from a client, comprising:

generating a character string which refers to a name prepared in advance for a process logic whose contents are defined; and

generating a document invoking the process logic using the character string to allow the client to invoke and perform the process logic when an event matching the execution condition prepared in advance for the process logic occurs on a client side.

40. A computer-readable storage medium storing a control program used to direct a computer to control generation of a document representing a Web page screen on which data to be provided for a client is displayed on a server transmitting and receiving various data to and from the client, said control program directing the computer to perform the processes of:

generating a character string which refers to a name prepared in advance for a process logic whose contents are defined; and

generating a document invoking the process logic using the character string to allow the client to invoke and perform the process logic when an event matching the execution condition prepared in advance for the process logic occurs on a client side.

41. A computer data signal embodied in a carrier wave, and representing a control program used to direct a computer to control generation of a document representing a Web page screen on which data to be provided for a client is displayed on a server transmitting and receiving various data to and from the client, said control program directing the computer to perform the processes of:

generating a character string which refers to a name prepared in advance for a process logic whose contents are defined; and

generating a document invoking the process logic using the character string to allow the client to invoke and perform the process logic when an event matching the execution condition prepared in advance for the process logic occurs on a client side.