KR100496981B1 - A PDF Document Providing Method Using XML - Google Patents

Abstract

The present invention relates to a method for providing a PDF document using XML by a web server and a client linked thereto, wherein the client uses a Java virtual machine to generate an XSL file and an XML structure applet transmitted from the web server. A first step of generating an XSL file and an XML structure and transmitting the generated XSL file and the XML structure to the web server through a Java program to store in a database and a file system; The web server combines the XSL file stored in the file system and the XML structure to send an applet for generating the XML file to the client, and the client runs the applet for generating the XML file on a web browser using a Java virtual machine to execute the XML file. A second step of generating and transmitting the generated web server to the web server through a Java program to store in a database and a file system; When there is a request for generating a PDF file from the client, the web server sends the XSL file, the XML file, and an applet for generating a PDF file to the client, and the client uses the Java virtual machine to generate the PDF file. A third step of driving an applet to combine the XSL file and the XML file to perform PDF conversion to generate a PDF document file and to display it in a web browser;

Description

A PDF Document Providing Method Using XML

The present invention relates to a method of providing a PDF document using XML, and more particularly, a web server including an applet capable of generating an XML structure, an XML file, and an XSL file, and a Java virtual machine and a web browser for running the applet. The present invention relates to a method of providing an optimized PDF document desired by a client by interworking with the client.

Conventional techniques for providing PDF documents have provided a method of viewing a screen content of a PDF file by storing the PDF document file in a specific directory on the server and then clicking on the PDF file directly. The problem was that the client could not produce a PDF document file with an optimized design according to his / her request because it provided only a function of displaying a PDF document file in which the design or appearance of the document was fixed in advance in the server. Has been.

That is, in the above-described prior art, only a function of viewing a PDF document is provided and the generation of the PDF document is not performed. Therefore, the reuse rate of the applied format is small. In other words, in general, the design, layout, and format are always the same in newsletters issued by large families, family newspapers, and churches. There is a problem that the content must be entered.

Accordingly, the present invention has been made to solve the problems described above, when the general Internet users, that is, the clients create their own document format and only input the contents in the document format, the web server linked to the The purpose is to provide a PDF document providing method using XML that can create a document without having to worry about rewriting the format by providing a PDF document file configured according to the specified format.

The present invention has the following configuration to achieve the above object.

In the PDF document providing method using a system consisting of a web server including a file system, a Java program, and a database including a plurality of applets, a client including a Java virtual machine and a web browser and linked to the web server, The web server sends an applet for generating an XSL file and an XML structure to the client, and the client runs the applet on a web browser using a Java virtual machine to generate an XSL file and an XML structure and send it to the web server through a Java program. A first step of storing in a database and a file system; The web server combines the XSL file stored in the file system and the XML structure to send an applet for generating the XML file to the client, and the client runs the applet for generating the XML file on a web browser using a Java virtual machine to execute the XML file. A second step of generating and transmitting the generated web server to the web server through a Java program to store in a database and a file system; When there is a request for generating a PDF file from the client, the web server sends the XSL file, the XML file, and an applet for generating a PDF file to the client, and the client uses the Java virtual machine to generate the PDF file. Providing an optimized PDF document using XML, comprising: a third step of driving the applet to combine the XSL file and the XML file to perform a PDF conversion to generate a PDF document file and display it in a web browser Provide a method.

Hereinafter, exemplary embodiments for carrying out the present invention will be described in detail with reference to the accompanying drawings.

1 is an overall system configuration for performing a PDF document providing method using the XML of the present invention. The entire system consists of a web server 100 and a client 200 interworked with the network.

The web server 100 may include a file system 110 including a plurality of applets, a Java program 120 for receiving a file or structure from a client 200, and a file or structure received from the client 200. It includes a database 130 for storing, the client 200 is received from the Java virtual machine 210 and the web server 100 to run the applet received from the web server 100 on the web browser 220 And a web browser 220 for running the applet.

FIG. 2 is a structural diagram illustrating an XSL file generation process using the system of FIG. 1.

Referring to the process of generating the XSL file and the XML structure in the system of Figure 1 as follows.

According to the request of the client 200, the web server 100 downloads an applet to the client 200, which allows a user to design the structure of an XSL file and an XML document. The client 200 drives the applet using the Java virtual machine 210 to display the applet on the screen of the web browser 220. At this time, the user designs the XSL file, which is the shape of the document to be formatted, and the XML structure, which is the structure of the document, using the applet program, and then transmits it to the web server 100. At this time, the web server 100 runs the Java program 120 to store the index information in the database 130, and then stores the XSL file and the XML structure in XSL_Dir and XML_Dir in the file system 110, respectively.

Here, the XSL file is a file defining a design of the shape of the document to be formatted by the client, the XML structure is a file defining a structure for generating a document file in combination with the XSL file, the tag does not contain data The file is determined as a form.

3 is a structural diagram illustrating an XML file input process using the system of FIG. 1.

After the user completed the design of the XSL file and the XML structure, the XSL file and the XML structure were stored in XSL_Dir and XML_Dir in the file system 110, respectively.

Now, the user needs to input contents into the designed XSL file and XML structure. In order to input the content, the web server 100 combines the XSL file and the XML structure and sends an applet for generating the XML file to the client 200. . Then, the client 200 generates an XML file by running an applet for generating an XML file on the web browser 220 using the Java virtual machine 210. In this case, the web browser 220 only needs to input data into the display structure of the web browser 220 in a format designed by the user.

The generated XML file is a file including data of document contents for generating a document file in combination with the XSL file. The XML file is transmitted to the web server 100 through a Java program and placed in a directory of XML_Dir in the file system 110. It is stored in combination with the stored XML structure, and also stores the contents of the data in the database 130 of the web server 100 in consideration of future reuse.

In addition, the client 200 is composed of a plurality of clients, the XML file generation may be generated by input by a plurality of clients.

The most important part here is the combination of the XML structure of the document and the XSL file for entering data. The design is all in place, but if the user can't enter the content, the function as a web service is useless. Therefore, the user simply inputs the data at a predetermined position by displaying the design designed by the user on the screen. The design is then an XSL file and the content of the data is stored in an XML file that is then sent to the server.

4 is a structural diagram illustrating a PDF document file generation process using the system of FIG. 1.

Now you just need to do something extra to generate the PDF. When there is a request for generating a PDF file of the client 200, the web server 100 designates an XML file and an XSL file, which are sources for generating a specific PDF, and descends it to the client 200 through an applet for generating a PDF file. Then, the client 200 performs a process for PDF conversion by combining the XML file and the XSL file in the applet for generating a PDF file. The applet for generating a PDF file is programmed in Java and is driven using a Java virtual machine to combine the XSL file and the XML file to perform PDF conversion. The generated PDF file is displayed to the user while being displayed in the web browser 220 and is transmitted to the web server 100 through the Java program 120 and stored in the database 130 and the file system 110. In this case, when stored in the file system 110, the PDF document file is stored in the PDF_Dir directory inside the file system 110.

If there is a client's request to modify the generated PDF file, the user can go back to the design stage and revise the design. By repeating the XSL file and XML structure creation process and the XML file input process, the user can select the PDF document he / she likes. Can be generated.

If the user selects the XSL format, which is designed to create another document in the future, and inputs only the content, the document remains intact and only the content is changed.

If you want to create a PDF of a specific document, you can create a PDF document in your own format by simply copying and pasting the document's contents to the designed screen.

In addition, the created PDF document can be displayed on the user's web screen, and can also be sent to the user by e-mail or to a specific PDA. The request of a third client additionally linked with the client 200 or the web server 100 can be provided. At the time, the stored PDF document may be transmitted to the client by PDA or e-mail.

FIG. 5 is a flowchart of a method of providing a PDF document using XML of the present invention by combining the processes of FIGS. 2 to 4.

Referring again to the process of the present invention with reference to Figure 5 as follows.

Users access the site to create their own documents, pamphlets, brochures and newspapers for private small groups. At this time, the site sends a design applet program for designing a document, and the user runs a design applet program (s510) to design a document for designing a document format and a private newspaper layout (s520). When the design is completed, the design applet program generates the designed XSL file and the XML structure (s530), and the contents are transmitted to the server. The transmitted XSL file and XML structure are stored in the server file system, respectively, and the index information of the file is stored in the database.

Then, when the user requests data input, the server combines the XSL file and the XML structure file with each other and sends it to the client. The web browser on the client creates a basic screen for the user to input the data. Then, the user creates an XML file by inputting data that he / she wants to input on the corresponding screen or by inputting the data contents, if there is the content of specific data that he / she has (S540). Then click the Save button, and the contents of that XML document are saved to the server's file system and database.

After that, when the user requests the creation of a PDF document, the server sends an XML file and an XSL file that have already been saved to the user, and sends down an applet program that can combine the two documents to generate a PDF. Then, the applet program is executed and a PDF document is generated (s550).

This PDF document is displayed on the screen of a web browser, and can also be sent to a PDA or an e-mail (s560).

FIG. 6 is a flowchart similar to FIG. 2 showing a process of generating an XSL file.

The present invention provides a design program in the form of an applet.

The applet program exists on the server and can be downloaded to the client and executed by the web browser. The applet program is downloaded and displayed on the web browser at design time (s610).

When the first applet program is executed, a screen for designing an XSL file and an XML structure is generated in a web browser (s620). Screen layouts are represented by design pages and scripts.

On the design screen, the terms of the XSL Flow Object grammar are prepared as menus, and an XSL file is created by selecting the corresponding menu at design time (s630).

At this time, the item of the selected menu is displayed as a loaded on-screen picture and displayed as a script (s640).

When the design is completed, the XSL file and the XML structure are generated (s650). When the design complete button is clicked, the XSL file and the XML structure are transmitted to the server and stored in the XSL form (s660).

The generated file is used as basic file for XML document content input, that is, XML file generation and PDF generation.

As described above, although the detailed description of the present invention has been described with reference to specific embodiments, various modifications can be made without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined not only by the claims below but also by the equivalents of the claims.

As described in detail above, according to the PDF document processing method using XML according to the present invention, the following effects occur.

First of all, as a short-term effect, general Internet users create their own document formats and enter only the contents in the document format. Then, they input only the contents in the document. The contents of the actual PDF document are printed in a neat format. This allows you to write documents without having to worry about formatting. Nowadays, even brochures and brochures are often sent via email. In the case of such a brochure or brochure, if you write using this web service, you do not need to create a format at that time, and then select a format suitable for a company image or a group image, and then enter a content. It is possible.

The long-term effect is that, in connection with the existing offline printing company, if the actual customer writes the format directly, fills in the format, and requests printing issue, it connects with the offline printing company closest to the linked customer. If the designed content is sent to the printer as a PDF, the printer can be output to the printing film, which can be developed to a system that can be delivered to customers after printing. In the future, it can be extended to newspaper systems.

1 is an overall system configuration for performing a PDF document providing method using the XML of the present invention.

FIG. 2 is a structural diagram illustrating an XSL file generation process using the system of FIG. 1.

3 is a structural diagram illustrating an XML file input process using the system of FIG. 1.

4 is a structural diagram illustrating a PDF document file generation process using the system of FIG. 1.

FIG. 5 is a flowchart of a method of providing a PDF document using XML of the present invention by combining the processes of FIGS. 2 to 4.

FIG. 6 is a flowchart similar to FIG. 2 showing a process of generating an XSL file.

Claims (8)

In the PDF document providing method using a system consisting of a web server including a file system, a Java program, and a database including a plurality of applets, a client including a Java virtual machine and a web browser and linked to the web server, The web server sends an applet for generating an XSL file and an XML structure to the client, and the client runs the applet on a web browser using a Java virtual machine to generate an XSL file and an XML structure and send it to the web server through a Java program. A first step of storing in a database and a file system; The web server combines the XSL file stored in the file system and the XML structure to send an applet for generating the XML file to the client, and the client runs the applet for generating the XML file on a web browser using a Java virtual machine to execute the XML file. A second step of generating and transmitting the generated web server to the web server through a Java program to store in a database and a file system; When there is a request for generating a PDF file from the client, the web server sends the XSL file, the XML file, and an applet for generating a PDF file to the client, and the client uses the Java virtual machine to generate the PDF file. A third step of driving an applet to combine the XSL file and the XML file to perform PDF conversion to generate a PDF document file and display the same in a web browser; A fourth step of generating a PDF document file by repeating the first to third steps when the web server requests a client's modification to the PDF file generated in the third step; A fifth step of transmitting the generated PDF document file to the web server through a Java program and storing it in a database and a file system; And a sixth step of transmitting the stored PDF document to the client upon request of the client or a third client additionally linked with the web server. delete delete The method of claim 1, The XSL file is a file defining a design of a shape of a document to be formatted by a client, and the generated XSL file is stored in an XSL_Dir directory in a file system of a web server. The method of claim 1, The XML structure is a file that defines a structure for generating a document file in combination with the XSL file, and is a file that is determined as a tag type that does not include data. The generated XML structure is an XML_Dir directory inside a file system of a web server. Method for providing a PDF document using XML, characterized in that stored in. The method of claim 5, wherein The XML file is a file including data of document contents for generating a document file in combination with the XSL file, and the generated XML file is stored in combination with an XML structure stored in the XML_Dir directory. How to provide PDF documents. delete delete