JP3610002B2 - File management device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a file management apparatus that belongs to an information processing field that handles electronic files and classifies files according to their types.
[0002]
[Prior art]
Conventionally, a technique for transmitting an electronic file via a network has been developed. An example of a system that transmits an electronic file via a network is electronic mail. In the case of an electronic mail system operating on a personal computer, the received electronic file is recorded in a storage area such as a hard disk of the personal computer.
[0003]
FIG. 8 is a block diagram showing a conventional file management apparatus and shows file management of an electronic mail system. In FIG. 8, a file transmitted via a network is received by a file receiving unit 81 and recorded by a file recording unit 82 in a recording area 83 composed of a hard disk or the like.
[0004]
The recording area 83 is provided with a storage area for storing files. For example, a file created by word processor software, a file created by spreadsheet software, a file created by presentation software, and other files are stored. Generally, these files have extensions. doc,. txt,. xls,. The file type can be estimated.
[0005]
In the e-mail, the received files are collectively recorded in one storage area as an attached file. In Eudra and Outlook Express, which are typical e-mails, the received attached files are recorded together in a predetermined directory, and the user searches for a desired file from the directories stored together.
[0006]
Usually, each file is associated with an e-mail body to which the file is attached, and the user can select a desired file from the e-mail body.
[0007]
[Problems to be solved by the invention]
However, in the conventional technique described above, files are stored in the same directory all at once, but it may be easier for the user to manage the files if they are stored in different directories according to the file type. In this case, it is preferable that the system automatically recognizes the file type and automatically stores it in the corresponding directory. However, there are the following problems when determining the file type.
[0008]
FIG. 9 shows a file 93 received via the network. The file 93 is composed of a file body 92 given a file name and an extension, and attribute information 91 added for transmitting the file over the network. The attribute information 91 generally includes information indicating the file type. On the other hand, the extension of the file body 92 also indicates the file type.
[0009]
However, the attribute information 91 does not always include file type information, and even if it is included, the file type information may be incorrect. Also, the extension of the file body 92 may be given an incorrect extension. As described above, both the attribute information 91 and the extension are uncertain information, which causes a problem when the system determines the file type.
[0010]
The present invention has been made in view of the above problems, and even when the file type indicated by the attribute information and the file type indicated by the extension are different, the file type is rationally determined and the file is automatically determined according to the type. In particular, the present invention provides a file management apparatus that can be classified and recorded in individual storage areas.
[0011]
[Means for Solving the Problems]
In the first invention of the present application, for a file consisting of a file body given a file name and an extension, and attribute information for managing the file body on a network, the file body of the file is determined according to its type. A file management device that classifies and records in a storage area set for each type, and receives a file reception unit that inputs a file, an attribute information analysis unit that analyzes attribute information of the file, and analyzes a file extension An extension analysis unit, a recording area determination unit that determines a recording area by determining a type of the file body according to an output of the attribute information analysis unit and an output of the extension analysis unit, and a recording area determination unit A file recording unit that writes the file body to the recording area according to the output, and the recording area determination unit includes both the attribute information and the extension. There are, and judging the type of the file body.
[0012]
According to a second aspect of the present application, when the recording area determination unit cannot determine the file body type from the attribute information when determining the file body type, the file area type is determined according to the file body type indicated by the extension. It is characterized by doing.
[0013]
In the third invention of the present application, when the recording area determination unit determines the type of the file body, the type of the file body indicated by the attribute information is different from the type of the file body indicated by the extension. In this case, the determination is made using either the attribute information or the extension.
[0014]
In the fourth invention of the present application, when the recording area determination unit determines the type of the file body, the type of the file body indicated by the attribute information is different from the type of the file body indicated by the extension. In this case, when the type indicated by the extension is included in a pre-registered type, the type of the extension is used, and when not included, the type indicated by the attribute information is used.
[0015]
In the fifth invention of the present application, when the recording area determination unit determines the type of the file body, the type of the file body indicated by the attribute information is different from the type of the file body indicated by the extension. In this case, when the type indicated by the attribute information is included in a previously registered type, the type of the attribute information is used, and when not included, the type indicated by the extension is used.
[0016]
In a sixth aspect of the present application, when the file body type cannot be analyzed from the attribute information, the file body type indicated by the attribute information and the file body type indicated by the extension are different. It is characterized by that.
[0017]
The seventh invention of the present application is characterized in that when the type indicated by the attribute information is included in the type registered in advance, the extension of the file body is rewritten according to the type indicated by the attribute information.
[0018]
According to an eighth aspect of the present application, the storage area set for each type includes an other storage area for storing the file body when the file body type is other than a previously assumed type. It is characterized by.
[0019]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, a first embodiment of the present invention will be described in detail with reference to FIGS.
[0020]
FIG. 1 is a block diagram showing a schematic configuration in the file management apparatus of the present embodiment. Here, as shown in FIG. 9, the file transmitted via the network includes attribute information 91 for management in the network and a file body 92 given a file name and an extension.
[0021]
In FIG. 1, a file receiving unit 10 separates a file into attribute information and a file body, and outputs the attribute information to the attribute information analysis unit 11 and the file body to the extension analysis unit 13 and the file recording unit 14, respectively. .
[0022]
The attribute information analysis unit 11 analyzes the file type information in the attribute information. For example, the attribute information includes a description such as Content-Type, and the file type is described here. Therefore, the attribute information analysis unit 11 outputs the file type information to the recording determination unit 12. If the file type information cannot be analyzed from the attribute information, information indicating that is output to the recording determination unit 12.
[0023]
The extension analysis unit 13 extracts the extension given to the file body and outputs it to the recording area determination unit 12. Examples of file types include word profiles, spreadsheet files, and presentation files. Examples of extensions include doc and txt for word profiles, xls for spreadsheet files, and ppt for presentation files. There is.
[0024]
The recording area determination unit 12 determines the file type and outputs the result to the file recording unit 14. The file recording unit 14 records the file body in the corresponding storage area of the recording area 15 according to the file type.
[0025]
In FIG. 1, a word profile is stored in the storage area 1, a spreadsheet file is stored in the storage area 2, a presentation file is stored in the storage area 3, and other files are stored in the storage area 4.
[0026]
2 and 3 are diagrams for explaining the recording area determination unit 12 in detail. In step S31, the type information (attribute (type) information) read from the attribute information and the extension of the file body are input to the recording area determination unit 12. In step S32, it is compared whether or not the attribute (type) information is included in the type information registered in advance.
[0027]
If the registered type information is recorded in the registered type information table 22 and the comparison unit 21 performs the comparison in step S32, the attribute (type) information is the registered type information. At 25, the type of the file body is determined based on the attribute information (step S34).
[0028]
If attribute (type) information is not registered in step S32, the process proceeds to step S33. In step S33, it is compared whether or not the extension is registered.
[0029]
If the extension registered in advance is recorded in the registered extension table 24 and the comparison unit 23 performs the comparison in step S33, and the extension is a registered extension, the extension is determined by the determination unit 25. The type of the file body is determined based on the child (step S35).
[0030]
If the extension is not registered, the determination unit 25 determines that the file body is recorded in the other storage area.
[0031]
FIG. 4 shows an example of the storage area of each file. In the example of FIG. 4, a word processor and spreadsheet are registered as attribute information, and doc, txt, and xls are registered as extensions. Normally, a file is stored according to the attribute information regardless of the extension. Only when the area is determined and the attribute information is not registered, that is, other than word processor or spreadsheet, or the file type cannot be analyzed from the attribute information, if the extension is doc or txt, the word processor storage area, and if it is xls, the spreadsheet It indicates that the file body is stored in the storage area, and other areas are stored in the other storage areas.
[0032]
The case where the attribute information is processed with higher priority than the extension has been described above. However, the same processing may be performed with the extension made higher in priority than the attribute information. Further, when the file type indicated by the attribute information is different from the file type indicated by the extension, the file type may be determined using only the attribute information or the extension.
[0033]
Next, a second embodiment of the present invention will be described in detail with reference to FIGS.
[0034]
FIG. 5 is a block diagram showing a schematic configuration of the file management apparatus according to the present embodiment. In the figure, blocks having the same functions as those in FIG. 1 are denoted by the same reference numerals as those in FIG. 1, and an extension changing unit 51 and a recording area determining unit 52 are different from those in FIG.
[0035]
When the file type is determined based on the attribute information, the extension changing unit 51 performs a process of changing the extension according to the file type based on the attribute information. Of course, if the file type indicated by the attribute information matches the file type indicated by the extension, the extension is not changed.
[0036]
6 and 7 are diagrams for explaining the recording area determination unit 52 in detail. In the figure, blocks having the same functions as those in FIGS. 2 and 3 are denoted by the same reference numerals as those in FIGS. Here, a different part from FIG.2 and FIG.3 is demonstrated.
[0037]
If the attribute (type) information is registered type information in step S32, it is compared in step S71 whether the file type indicated by the extension matches the file type indicated by the attribute (type) information. The comparison unit 61 performs the comparison.
[0038]
If the comparison does not match, the extension is changed according to the file type indicated by the attribute (type) information (step S72). When changing the extension, the recording area determination unit 52 outputs extension information to be changed to the extension changing unit 51, and the extension changing unit 51 changes the extension of the file body.
[0039]
By changing the extension in this way, the extension of the file body recorded in each storage area in FIG. 5 always matches the file type of the storage area.
[0040]
In the above explanation, word processing, spreadsheet, and presentation are taken as examples of file types, but the present invention is not limited to these, and it is obvious that the present invention can be applied to files such as still images, moving images, and musical sounds. . Still picture extensions include jpg, moving picture extensions include mpg, asf, qt, wmv, and musical sound extensions include wma.
[0041]
The present invention can be widely applied not only to personal computers but also to portable terminals, cameras, information terminals, and the like having a network connection function.
[0042]
【The invention's effect】
According to the file management apparatus of the present invention, even when the file type indicated by the attribute information and the file type indicated by the extension are different for the file received via the network, the file type is rationally determined and the file is Depending on the type, it can be automatically classified into individual storage areas and recorded.
[0043]
If the extension is inappropriate for the determined file type, the extension of the file recorded in each storage area can be matched by changing the extension.
[0044]
Furthermore, since the files recorded in each storage area are files of the same category, files can be handled by categories such as word profiles, spreadsheet files, presentation files, still image files, video files, and music files. It is possible to manipulate files and build user interfaces in categories.
[Brief description of the drawings]
FIG. 1 is a block diagram illustrating a file management apparatus according to a first embodiment of this invention.
FIG. 2 is a block diagram illustrating a recording determination unit according to the first embodiment of the present invention.
FIG. 3 is a flowchart showing an operation of a recording determination unit according to the first embodiment of the present invention.
FIG. 4 is an explanatory diagram illustrating a file storage destination according to the first embodiment of this invention.
FIG. 5 is a block diagram illustrating a file management apparatus according to a second embodiment of this invention.
FIG. 6 is a block diagram showing a recording determination unit in the second embodiment of the present invention.
FIG. 7 is a flowchart showing an operation of a recording determination unit in the second embodiment of the present invention.
FIG. 8 is a block diagram showing a conventional file management apparatus.
FIG. 9 is an explanatory diagram showing the structure of a file.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 File receiving part 11 Attribute information analysis part 12 Recording area determination part 13 Extension analysis part 14 File recording part 15 Recording area 21 Comparison part 1
22 Registration type information table 23 Comparison unit 2
24 Registered Extension Table 25 Judgment Unit

Claims (8)

A storage area in which a file body of a file is set for each type according to the type of the file including a file body given a file name and an extension and attribute information for managing the file body on the network A file management device for classifying and recording
A file receiver for inputting a file;
An attribute information analysis unit for analyzing file attribute information;
An extension analyzer for analyzing the extension of the file;
According to the output of the attribute information analysis unit and the output of the extension analysis unit, a recording area determination unit that determines a recording area by determining the type of the file body,
In accordance with the output of the recording area determination unit, comprising a file recording unit for writing the file body to the recording area,
The file management apparatus, wherein the recording area determination unit determines the type of a file body using both the attribute information and the extension. The file management apparatus according to claim 1,
The recording area determining unit, when determining the file body type, if the file body type cannot be analyzed from the attribute information, determines according to the file body type indicated by the extension. apparatus. The file management apparatus according to claim 1,
When determining the file body type, the recording area determination unit determines that the attribute information or the file body type indicated by the attribute information differs from the file body type indicated by the extension. A file management apparatus characterized in that determination is made using either one of extensions. The file management apparatus according to claim 1,
When the file area type indicated by the attribute information is different from the file body type indicated by the extension, the recording area determining unit determines the file body type and indicates the extension. A file management apparatus using the type of the extension when the type is included in a pre-registered type, and using the type indicated by the attribute information when not included. The file management apparatus according to claim 1,
When the file area type indicated by the attribute information is different from the file body type indicated by the extension when the recording area determination unit determines the type of the file body, the attribute information indicates A file management apparatus using the type of the attribute information when the type is included in a pre-registered type, and using the type indicated by the extension when not included. The file management apparatus according to claim 5, wherein
When the file body type cannot be analyzed from the attribute information, the file management apparatus handles the case where the file body type indicated by the attribute information is different from the file body type indicated by the extension . In the file management device according to claim 5 or 6,
The file management apparatus according to claim 1, wherein when the type indicated by the attribute information is included in the type registered in advance, the extension of the file body is rewritten according to the type indicated by the attribute information. The file management apparatus according to claim 1,
The storage area set for each type includes a storage area for storing the file main body when the type of the file main body is other than a previously assumed type.

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