KR101169642B1 - Web-based distributed authoring and versioning protocol based document editing apparatus and method - Google Patents

Abstract

PURPOSE: A document editing device based on WebDAV(Web Distributed Authoring and Versioning) and a method thereof are provided to supply a web based collaborative document editing service through a web server by using an expanded protocol which enables collaborative editing of a document. CONSTITUTION: A protocol information storage(511) stores protocol information defined as a method based on WebDAV related to collaborative editing of a document. A session configuring unit(512) forms a collaborative document editing server and an editing session by participating in the editing session opened by the collaborative document editing server based on the protocol information. An editing performing unit(513) edits a collaborative editing target document stored in the collaborative document editing server based on the protocol information.

Description

Document-based document editing device and method {WEB-BASED DISTRIBUTED AUTHORING AND VERSIONING PROTOCOL BASED DOCUMENT EDITING APPARATUS AND METHOD}

Embodiments of the present invention relate to techniques for a technique for enabling co-editing of a document among multiple client document editing devices.

As social network services are activated and interest in information sharing is increasing, the importance of collaboration is emerging, and as the spread and use of smartphones and tablet PCs increases, a system that can support various devices is required.

Recently, as many information consumers who have accepted the information produced in the past actively participate in production, the boundary between information producers and consumers is blurring.

To enable such open communication, a collaborative environment must be provided through real-time sharing of information. In this regard, research on the real-time document co-editing technology that allows multiple users to edit a single document at the same time in the field of document editing has been actively conducted.

As the interest in real-time document co-editing technology increases, the necessity of platform-independent web-based document co-editing system is emerging, and various systems are being serviced or researched. However, many of the systems currently being serviced do not support mobile devices, and they operate very limitedly, and more research is still needed.

Web-based Distributed Authoring and Versioning (WebDAV) is a Hypertext Transfer Protocol (HTTP) -based protocol that allows file transfers on a web server without requiring a separate protocol, such as File Transfer Protocol (FTP) or Secure Copy Protocol (SCP). And manageable protocols.

In general, methods and functions thereof supported by WebDAV are shown in Table 1 below.

Method type function GET The ability to get files from the server PUT / POST The ability to transfer files to the server PROPFIND Ability to retrieve defined attributes of documents PROPATCH Ability to set defined attributes of documents MKCOL Ability to create a collection at a specified Uniform Resource Identifier (URI) location DELETE Ability to delete a collection or non-collection COPY / MOVE Ability to copy / move resources from URI to another path LOCK / UNLOCK Ability to control user access by locking or releasing resources

In this way, WebDAV is a protocol that allows file transfer and management without separate protocols such as FTP and SCP. If WebDAV provides not only file management but also real-time document co-editing function, Web co-editing function is enabled on a web server. As it can be serviced separately, it can be used in various ways. Also, developers building a website can work on the same file at the same time, making it very efficient to collaborate.

Therefore, there is a need for research on a technology for providing document co-editing using WebDAV.

Embodiments of the present invention utilize an extended protocol that includes an existing Web-based Distributed Authoring and Versioning (WebDAV) protocol and an extended protocol including at least one method for co-editing a document. To provide co-editing services for documents.

A document editing apparatus according to an embodiment of the present invention includes a protocol information storage unit for storing protocol information in which at least one method based on Web-based Distributed Authoring and Versioning (WebDAV) associated with co-editing of a document is defined; The session collaborator configured to join the document co-editing server initiated by the document co-editing server based on the protocol information to form the edit session with the document co-editing server, and the co-editing server stored in the document co-editing server based on the protocol information. It includes an editing execution unit for editing the document to be edited.

In addition, the document editing method according to an embodiment of the present invention manages a memory in which at least one WebDAV-based method associated with the co-editing of the document stored protocol information, the document cooperative based on the protocol information Participating in an editing session initiated by an editing server, configuring the editing session with the document co-editing server, and performing editing on the co-editing target document stored in the document co-editing server based on the protocol information It includes.

Embodiments of the present invention utilize an extended protocol that includes an existing Web-based Distributed Authoring and Versioning (WebDAV) protocol and an extended protocol including at least one method for co-editing a document. A co-editing service of a document can be provided, so that a user's convenience related to co-editing of a document can be achieved.

1 is a system conceptual diagram schematically showing a document co-editing system according to an embodiment of the present invention.
2 is a view for explaining a process of generating a document file in a document co-editing system according to an embodiment of the present invention.
3 is a view for explaining a process of editing a document in a document co-editing system according to an embodiment of the present invention.
4 is a view for explaining a process of storing a document file in a document co-editing system according to an embodiment of the present invention.
5 is a diagram illustrating a structure of a document editing apparatus according to an embodiment of the present invention.
6 is a flowchart illustrating a document editing method according to an embodiment of the present invention.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description. It should be understood, however, that the invention is not intended to be limited to the particular embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. Like reference numerals are used for like elements in describing each drawing.

When a component is said to be “connected” or “connected” to another component, it may be directly connected to or connected to that other component, but it may be understood that another component may exist in between Should be. On the other hand, when a component is said to be "directly connected" or "directly connected" to another component, it should be understood that there is no other component in between.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms “comprise” or “have” are intended to indicate that there is a feature, number, step, action, component, part, or combination thereof described in the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art and shall not be construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a system conceptual diagram schematically showing a document co-editing system according to an embodiment of the present invention.

Referring to FIG. 1, a document editing apparatus 1 111, a document editing apparatus 2 112, and a document co-editing server 120 are illustrated.

Here, the document editing device 1 111 and the document editing device 2 112 are client devices connected to the document co-editing server 120 to perform co-editing of documents, and are a desktop PC, a mobile terminal, a PDA, a notebook computer, and a tablet. It can be implemented based on various kinds of microprocessor-based devices such as a PC.

In addition, the document co-editing server 120 may be implemented using a mod_dav module of Apache, which is an open source project as a web server, and may be modified and extended, if necessary, and customized. May be implemented to be possible.

Usually, the Apache web server consists of a number of modules, one of which is the module related to WebDAV, which has a mod_dav module and a mod_dav_fs module. The mod_dav module is responsible for the overall work of WebDAV methods. It mainly handles requests and sends responses. The mod_dav_fs module handles the processing of resources or collections through the file system. Do it.

In relation to this, according to an embodiment of the present invention, the document co-editing server 120 may be implemented using Apache's mod_dav module as described above.

According to an embodiment of the present invention, the document editing apparatus 1 111, the document editing apparatus 2 112, and the document co-editing server 120 may use the existing WebDAV protocol to perform co-editing of a document. It may operate based on an extension protocol including at least one method associated with co-editing of a WebDAV-based document such as.

Method type function File generation method The ability to create a file on the server based on the Uniform Resource Identifier (URI) requested by the client Session Join Method The ability to allow authorized users to participate in the editing session of a document if they want to edit the document. Edit method Ability to send edits made by a client to the server (where the server manages the edited data and sends it to another client when needed) Update method The client requests the server for update information associated with the editing of the document and receives the update information from the server. Save method Ability to save the document being edited by the client to the server

In this case, the at least one method shown in Table 2 may be defined by a command as shown in Table 3 below.

Method type command File generation method COLLA_DAV_CREATE Session Join Method COLLA_DAV_JOIN Edit method COLLA_DAV_EDIT Update method COLLA_DAV_UPDATE Save method COLLA_DAV_SAVE

That is, the document editing device 1 111, the document editing device 2 112, and the document co-editing server 120 may be configured to perform at least one associated with the co-editing of the document shown in Table 2 and Table 3 for the existing WebDAV protocol. You can extend the methods to work based on the WebDAV protocol, which includes the extended methods.

In this regard, document editing device 1 111, document editing device 2 112, and document co-editing server 120 may store protocol information in which at least one WebDAV-based method associated with co-editing of the document is defined. Can be.

Hereinafter, a process of performing co-editing of a document by the document editing apparatus 1 111, the document editing apparatus 2 112, and the document co-editing server 120 will be described in detail with reference to FIGS. 2 to 4.

2 is a view for explaining a process of generating a document file in a document co-editing system according to an embodiment of the present invention.

The document editing apparatus 1 111 will be described with reference to a process for generating a document file by accessing the document co-editing server 120.

In operation S210, the document editing apparatus 1 111 may retrieve a list of files stored in the document co-editing server 120 using the “PROPFIND” method.

In operation S220, the document editing apparatus 1 111 may transmit a file to the document co-editing server 120 or obtain a file from the document co-editing server 120 using the “GET / PUT” method.

In operation S230, the document editing apparatus 1 111 may copy or move a file stored in the document co-editing server 120 to another path using the “COPY / MOVE” method.

When the document editing apparatus 1 111 accesses the document co-editing server 120 and completes the cleaning of the file stored in the document co-editing server 120 through the process of steps S210 to S230, The document editing apparatus 1 111 may use the “COLLA_DAV_CREATE” method, which is a file generation method associated with the generation of a file newly extended to the WebDAV protocol, in step S240 to the document co-editing server 120 for the co-editing document. You can create a new file for.

In this regard, the document editing apparatus 1 111 may newly generate a file for the co-editing document in the document co-editing server 120 using a syntax such as the example of Table 4 below.

<? xml version = "1.0" encoding = "UTF-8"?>
<D: colla_dav_create xmlns: D = "DAV:">
<D: filename /> test.txt </ D: filename>
</ D: colla_dav>

When the document editing apparatus 1 111 makes a file generation request for a document to be co-edited to the document co-editing server 120 by using the syntax as in the example of Table 4, the document co-editing server 120 is described below. You can respond as shown in Table 5.

HTTP _ CREATED  (201)
HTTP _ NOT _ ACCEPTABLE  (406)
HTTP _ FORBIDDEN  (403)

In the above, an example in which a file for a co-editing document is newly generated in the document co-editing server 120 has been described. Hereinafter, a process of performing co-editing on the co-editing target document by the document editing apparatus 1 111 and the document editing apparatus 2 112 will be described with reference to FIG. 3.

3 is a view for explaining a process of editing a document in a document co-editing system according to an embodiment of the present invention.

The document editing apparatus 1 111 may use the session joining method “COLLA_DAV_JOIN,” which allows the document co-editing server 120 to participate in the editing session associated with the co-editing of the document started by the document co-editing server 120. Method to join the editing session.

In this case, according to an embodiment of the present invention, the document editing apparatus 1 111 may participate in the editing session using the syntax shown in the example of Table 6 below.

<? xml version = "1.0" encoding = "UTF-8"?>
<D: colla_dav_join xmlns: D = "DAV:">
<D: filename /> test.txt </ D: filename>
</ D: colla_dav>

When the document editing apparatus 1 111 requests the document co-editing server 120 to join the session by using the syntax as in the example of Table 6, the document co-editing server 120 is as shown in Table 7 below. You can respond.

<? xml version = "1.0" encoding = "UTF-8"?>
<D: colla_dav xmlns: D = "DAV:">
<D: doc /> 1 </ D: doc>
<D: revision> 1 </ D: revision>
<D: changeset> 2 </ D: changeset>
</ D: colla_dav>

Here, "revision" means information about the edited version of the co-editing document, and "changeset" means information about the number of changes to the co-editing document.

For example, when the words “A” and “I” are inserted once for the co-editing document, since the number of changes of the co-editing document is twice, the “changeset” may be 2. When the co-edited document is newly stored after the words “A” and “I” are inserted once each, if the previous “revision” was 1 since the edited version of the co-edited document was newly updated, The "revision" may be two. In this case, when the "revision" is updated, the "changeset" may also be updated to 0 since the co-edited document is updated with a new edited version.

When the document editing apparatus 1 111 joins the editing session in step S310, in step S320, the document editing apparatus 1 111 uses the "GET" method to transmit the document from the document collaboration editing server 120. You can download a file for the document to be edited.

In this case, the user of the document editing apparatus 1 111 may edit the document by using the downloaded co-editing target document.

When the user of the document editing apparatus 1 111 performs the editing on the co-editing target document, in step S330, the document editing apparatus 1 111 may use the editing method “COLLA_DAV_EDIT” to apply to the co-editing target document. The editing information about the document may be transmitted to the document co-editing server 120.

In this case, according to an embodiment of the present invention, the document editing apparatus 1 111 may transmit the edit information to the document co-editing server 120 by using a syntax as in the example of Table 8 below.

<? xml version = "1.0" encoding = "UTF-8"?>
<D: colla_dav_edit xmlns: D = "DAV:">
<D: doc /> 1 </ D: doc>
<D: revision> 2 </ D: revision>
<D: changeset> 20 </ D: changeset>
<action> insert </ action>
<offset> 80 </ offset>
<data> A </ data>
</ D: colla_dav_edit>

In the example of Table 8, the document editing apparatus 1 111 inserts the word “A” into the co-editing target document.

When the document editing apparatus 1 111 transmits the editing information to the document co-editing server 120 using the syntax as in the example of Table 8, the document co-editing server 120 may respond as shown in Table 9 below. Can be.

<? xml version = "1.0" encoding = "UTF-8"?>
<D: colla_dav xmlns: D = "DAV:">
<D: doc /> 1 </ D: doc>
<D: revision> 2 </ D: revision>
<D: changeset> 21 </ D: changeset>
</ D: colla_dav>

Referring to Table 9, there is shown an example in which "changeset", which was 20, was updated to 21 since the document editing apparatus 1 111 inserted the word "A" for the co-editing target document.

If the document editing apparatus 1 111 and the document co-editing server 120 perform the co-editing of the document, and the document editing apparatus 2 112 participates in the co-editing process of the document, the document is read in step S340. The editing apparatus 2 112 may join the editing session by using the “COLLA_DAV_JOIN” method, which is a session joining method.

In operation S350, the document editing apparatus 2112 may download the file for the co-editing target document from the document co-editing server 120 using the “GET” method.

When the user of the document editing apparatus 2 112 performs document editing based on the downloaded co-editing target document, in step S360, the document editing apparatus 2 112 uses the document editing method “COLLA_DAV_EDIT” to edit the document. The editing information about the editing may be transmitted to the editing server 120.

As such, when the document editing apparatus 1 111 and the document editing apparatus 2 112 perform editing on the co-editing target document, the document editing apparatus 1 111 and the document editing apparatus 2 112 are each separately a document. Since the document editing apparatus 1 111 and the document editing apparatus 2 112 may be edited, the co-editing target document may be different from each other.

Therefore, it is necessary to synchronize the editing status of the co-editing target document between the document editing apparatus 1 111 and the document editing apparatus 2 112.

In relation to this, the document editing apparatus 1 111 and the document editing apparatus 2 112 may use the "COLLA_DAV_UPDATE" method, which is an update method associated with a request for update information on the co-edited document, to the document co-editing server 120. Can update the co-editing document.

In relation to operation S370, the document editing apparatus 1 111 may request the document co-editing server 120 to update the co-editing target document using the “COLLA_DAV_UPDATE” method.

At this time, according to an embodiment of the present invention, the document editing apparatus 1 (111) requests the document co-editing server 120 to update the co-editing target document by using a syntax as in the example of Table 10 below. Can be.

<? xml version = "1.0" encoding = "UTF-8"?>
<D: colla_dav_update xmlns: D = "DAV:">
<D: doc /> 1 </ D: doc>
<D: revision> 2 </ D: revision>
<D: changeset> 20 </ D: changeset>
</ D: colla_dav_update>

In this case, the document co-editing server 120 compares the "changeset" included in the request sent by the document editing apparatus 1 111 with the "changeset" held by the document co-editing server 120, and there is a difference between them. In this case, the document editing apparatus 1 111 may transmit the update contents of the co-editing target document in response.

In this regard, the "changeset" included in the request sent by the document editing apparatus 1 111 is 20, and the "changeset" held by the document co-editing server 120 is "a" in the document to be edited. If the word is changed to 21 as the word is added, the document co-editing server 120 may transmit a response of the syntax shown in Table 11 below to the document editing apparatus 1 111.

<? xml version = "1.0" encoding = "UTF-8"?>
<D: colla_dav xmlns: D = "DAV:">
<D: doc /> 1 </ D: doc>
<D: revision> 2 </ D: revision>
<D: changeset> 21 </ D: changeset>
<D: change>
<D: action> insert </ D: action>
<D: offset> 50 </ D: offset>
<D: data> a </ D: data>
</ D: change>
</ D: colla_dav>

Like the example of the document editing apparatus 1 111, the document editing apparatus 2 112 uses the “COLLA_DAV_UPDATE” method in step S380 to update the document co-editing server 120 with respect to the co-editing target document. You can request

In the above, an example of performing co-editing on the co-editing target document stored in the document co-editing server 120 has been described with reference to FIG. 3. Hereinafter, an example in which the document editing apparatus 1 111 stores the co-editing target document in the document co-editing server 120 after completing the editing of the co-editing target document will be described with reference to FIG. 4. .

4 is a view for explaining a process of storing a document file in a document co-editing system according to an embodiment of the present invention.

If the user of the document editing apparatus 1 111 wants to save the co-editing target document after completing the editing on the co-editing target document, in step S410, the document editing apparatus 1 111 is the co-editing target. Using the storage method “COLLA_DAV_SAVE”, which allows a document to be saved, the document co-editing server 120 may request to save the co-edited document.

In this case, according to an embodiment of the present invention, the document editing apparatus 1 (111) requests the document co-editing server 120 to store the co-editing target document by using a syntax as in the example of Table 12 below. Can be.

<? xml version = "1.0" encoding = "UTF-8"?>
<D: colla_dav_save xmlns: D = "DAV:">
<D: doc /> 1 </ D: doc>
<D: revision> 2 </ D: revision>
<D: changeset> 60 </ D: changeset>
</ D: colla_dav_save>

In this case, when the document co-editing server 120 receives the request for storing the co-editing target document, the document co-editing server 120 determines that the edited version of the co-editing target document is updated, and includes it in the request transmitted from the document editing apparatus 1 111. The "revision" associated with the edited version of the co-edited document is upgraded.

In addition, since the edited version of the co-editing target document is updated, the document co-editing server 120 may update the "changeset" included in the request transmitted from the document editing apparatus 1 111 to zero.

In this regard, since the "revision" included in the request sent by the document editing apparatus 1 111 is 2, the document co-editing server 120 changes the "revision" to 3 and updates the "changeset" to 0. Thereafter, the document editing apparatus 1 111 may transmit a response having a syntax as shown in Table 13 below.

<? xml version = "1.0" encoding = "UTF-8"?>
<D: colla_dav xmlns: D = "DAV:">
<D: doc /> 1 </ D: doc>
<D: revision> 3 </ D: revision>
<D: changeset> 0 </ D: changeset>
</ D: colla_dav>

In this case, according to an embodiment of the present invention, when the co-editing document is newly stored, the document co-editing server 120 may change the “changeset” to a predetermined file to manage change history of the co-editing document. Information can be recorded.

When the co-editing target document is newly stored by the document editing apparatus 1 111, in step S420, the document co-editing server 120 edits the co-editing target document. And 112), there may be a newly stored co-edited document.

In this case, in operation S430, the document editing apparatus 2112 may request a file for the newly stored co-editing target document and download the newly stored co-editing target document from the document co-editing server 120.

Then, in operation S440, the document editing apparatus 2112 may edit the document based on the newly stored co-editing target document.

1 to 4, the operation of the document co-editing system according to an embodiment of the present invention has been described. As described above, embodiments of the present invention utilize an extended protocol that includes at least one method that enables co-editing of a document in an existing WebDAV protocol, thereby enabling the coordination of web-based documents through a web server. An editing service can be provided, and the user's convenience related to the co-editing of a document can be provided.

5 is a diagram illustrating a structure of a document editing apparatus according to an embodiment of the present invention.

Referring to FIG. 5, a document editing apparatus 510 according to an embodiment of the present invention includes a protocol information storage unit 511, a session constructing unit 512, and an editing execution unit 513.

The protocol information storage unit 511 stores protocol information in which at least one WebDAV-based method associated with co-editing of a document is defined.

The session configuring unit 512 joins the editing session initiated by the document co-editing server 520 and forms the edit session with the document co-editing server 520 based on the protocol information.

The editing execution unit 513 edits the co-editing target document stored in the document co-editing server 520 based on the protocol information.

At this time, according to one embodiment of the present invention, the protocol information storage unit 511 is connected to the file creation method associated with the generation of the file for the document co-editing server 520, the editing session initiated by the document co-editing server 520 A session joining method associated with participation in a document, an editing method associated with sending and receiving edit information for the co-editing document, an update method associated with sending and receiving update information for the co-editing document, or the document co-editing server 520. The protocol information may be stored in which at least one method of a storage method associated with storage of a collaboratively edited document is defined.

In this case, according to an embodiment of the present invention, the file generation method, the session join method, the edit method, the update method, and the storage method may be defined by the commands described in Table 3 above.

In addition, according to an embodiment of the present invention, the session configuration unit 512 may join the editing session based on the session join method to configure the editing session with the document co-editing server 520.

In addition, according to an embodiment of the present invention, the editing execution unit 513 may transmit the editing information about the co-editing document to the document co-editing server 520 based on the editing method.

In this case, the document co-editing server 520 may receive the edit information and update the co-editing target document based on the received edit information.

In addition, according to an embodiment of the present invention, the document editing device 510 may further include a file generator 514, an update information receiver 515, and a document storage unit 516.

The file generator 514 newly generates a file for the co-editing document on the document co-editing server 520 based on the file generation method.

The update information receiving unit 515 requests the document co-editing server 520 to update the co-editing document based on the update method, and when the co-editing document is updated, the document co-editing server 520. Update information associated with the update of the co-editing document.

The document storage unit 516 stores the co-editing target document in the document co-editing server 520 based on the storage method.

The document editing apparatus 510 according to the exemplary embodiment of the present invention has been described above with reference to FIG. 5. Here, the document editing apparatus 510 according to an embodiment of the present invention may correspond to the configuration of the document editing apparatus 1 111 or the document editing apparatus 2 112 described with reference to FIGS. 1 to 4. Detailed description thereof will be omitted.

6 is a flowchart illustrating a document editing method according to an embodiment of the present invention.

In step S610, at least one WebDAV-based method associated with co-editing of a document manages a memory in which protocol information in which a method is defined is stored.

In step S620, the document co-editing server starts the editing session initiated by the document co-editing server based on the protocol information, and configures the editing session with the document co-editing server.

In step S630, editing on the co-editing target document stored in the document co-editing server is performed based on the protocol information.

At this time, according to an embodiment of the present invention, in step S610, a file generation method associated with generation of a file for the document co-editing server, and a session join method associated with participation in an editing session initiated by the document co-editing server. An editing method associated with the transmission and reception of edit information for the co-edited document, an update method associated with the transmission and reception of update information for the co-edited document, or a storage associated with storage of the co-edited document for the document co-editing server One or more of the methods may manage the memory in which the protocol information in which one or more methods are defined is stored.

In this case, according to an embodiment of the present invention, the file generation method, the session join method, the edit method, the update method, and the storage method may be defined by the commands described in Table 3 above.

Further, according to an embodiment of the present invention, in step S620, the editing session may be configured with the document co-editing server by joining the editing session based on the session joining method.

Further, according to an embodiment of the present invention, in step S630, the editing information for the co-editing target document may be transmitted to the document co-editing server based on the editing method.

In this case, the document co-editing server may receive the edit information and update the co-editing target document based on the received edit information.

According to an embodiment of the present invention, the document editing method includes the step of newly generating a file for the co-editing target document in the document co-editing server based on the file generation method after step S610, and updating the document. Requesting the document co-editing server to update the co-editing document based on the method, and when the co-editing document is updated, update information associated with the update of the co-editing document from the document co-editing server The method may further include storing the co-editing target document in the document co-editing server based on the receiving and the storing method.

In the above, the document editing method according to the exemplary embodiment of the present invention has been described with reference to FIG. 6. Here, the document editing method according to an embodiment of the present invention may correspond to the configuration of the operation of the document editing apparatus 1 111 or the document editing apparatus 2 112 described with reference to FIGS. 1 to 4. Detailed description thereof will be omitted.

The document editing method according to an embodiment of the present invention may be implemented in the form of program instructions that can be executed by various computer means and recorded in a computer readable medium. The computer readable medium may include program instructions, data files, data structures, etc. alone or in combination. The program instructions recorded on the medium may be those specially designed and constructed for the present invention or may be available to those skilled in the art of computer software. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tape, optical media such as CD-ROMs, DVDs, and magnetic disks, such as floppy disks. Magneto-optical media, and hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like. Examples of program instructions include not only machine code generated by a compiler, but also high-level language code that can be executed by a computer using an interpreter or the like. The hardware device described above may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.

In the present invention as described above has been described by the specific embodiments, such as specific components and limited embodiments and drawings, but this is provided to help a more general understanding of the present invention, the present invention is not limited to the above embodiments. For those skilled in the art, various modifications and variations are possible from these descriptions.

Accordingly, the spirit of the present invention should not be construed as being limited to the embodiments described, and all of the equivalents or equivalents of the claims, as well as the following claims, belong to the scope of the present invention .

111: document editing device 1 112: document editing device 2
120: document co-editing server
510: document editing device
511: protocol information storage unit 512: session composition unit
513: editing execution unit 514: file generation unit
515: Update information receiver 516: Document storage unit
520: Document co-editing server

Claims (13)

In the document editing device,
A protocol information storage unit for storing protocol information in which at least one method based on Web-based Distributed Authoring and Versioning (WebDAV) associated with co-editing of a document is defined;
A session constructing unit configured to participate in an editing session initiated by a document co-editing server based on the protocol information, and to form the editing session with the document co-editing server;
An editing execution unit which performs editing on the co-editing target document stored in the document co-editing server based on the protocol information; And
The document co-editing server requests update information on the co-editing target document based on the protocol information, and when the co-editing target document is determined to be newly updated by the document co-editing server, co-editing the document. An update information receiver for receiving the update information for the co-edited document from a server
Including,
The document co-editing server
And in response to a change to the co-editing document by the editing execution unit, transmitting information related to the number of changes to the co-editing document to the document editing device in response. The method of claim 1,
The protocol information storage unit
A file creation method associated with the creation of a file for the document co-editing server, a session join method associated with participation in an editing session initiated by the document co-editing server, an editing method associated with the transmission and reception of edit information for the co-edited document A document storing the protocol information in which at least one of an update method associated with transmission and reception of update information for the co-edited document or a storage method associated with storage of the co-edited document for the document co-editing server is defined. Editing device. The method of claim 2,
The session component is
And participate in the editing session based on the session join method to form the editing session with the document co-editing server. The method of claim 2,
The editing execution unit
Transmit editing information about the co-editing target document to the document co-editing server based on the editing method,
The document co-editing server
And a document editing device that receives the edit information and updates the co-editing target document based on the received edit information. The method of claim 2,
A file generator for newly generating a file for the co-editing document on the document co-editing server based on the file generation method; And
A document storage unit storing the co-editing target document in the document co-editing server based on the storage method
Further comprising:
The update information receiving unit
Requesting the update information on the co-editing target document from the document co-editing server based on the update method, and if the co-editing document is determined to be newly updated by the document co-editing server, the document co-editing server And a document editing device for receiving the update information on the co-editing document from an editing server. The method of claim 2,
And the file creation method, the session join method, the edit method, the update method, and the save method are defined by the commands described in Table 1 below.
[Table 1]

In the document editing method of the document editing device,
Managing a memory storing protocol information in which at least one method based on Web-based Distributed Authoring and Versioning (WebDAV) associated with co-editing of a document is defined;
Joining an editing session initiated by a document co-editing server based on the protocol information to form the editing session with the document co-editing server;
Performing editing on a co-editing target document stored in the document co-editing server based on the protocol information; And
The document co-editing server requests update information on the co-editing target document based on the protocol information, and when the co-editing target document is determined to be newly updated by the document co-editing server, co-editing the document. Receiving the update information for the co-edited document from a server
Including,
The document co-editing server
And in response to a change to the co-editing document by the document editing device, transmitting information related to the number of changes to the co-editing document to the document editing device in response. The method of claim 7, wherein
Managing the memory is
A file creation method associated with the creation of a file for the document co-editing server, a session join method associated with participation in an editing session initiated by the document co-editing server, an editing method associated with the transmission and reception of edit information for the co-edited document Storing the protocol information in which at least one of an update method associated with transmission and reception of update information for the co-edited document or a storage method associated with storage of the co-edited document to the document co-editing server is defined. A document editing method for managing the memory. The method of claim 8,
Configuring the editing session
Join the editing session based on the session join method to form the editing session with the document co-editing server. The method of claim 8,
The editing is performed
Transmit editing information about the co-editing target document to the document co-editing server based on the editing method,
The document co-editing server
Receiving the editing information and updating the co-editing target document based on the received editing information. The method of claim 8,
Newly generating a file for the co-editing document on the document co-editing server based on the file generation method; And
Storing the co-edited document on the document co-editing server based on the storage method
Further comprising:
Receiving the update information is
Requesting the update information on the co-editing target document from the document co-editing server based on the update method, and if the co-editing document is determined to be newly updated by the document co-editing server, the document co-editing server And receiving the update information for the co-edited document from an editing server. The method of claim 8,
The file creation method, the session join method, the edit method, the update method, and the save method are defined by the commands described in Table 2 below.
TABLE 2

A computer-readable recording medium having recorded thereon a program for performing the method of any one of claims 7 to 12.

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