KR100671471B1 - Java program executing method using a mobile phone and system for performing the same - Google Patents

Abstract

The present invention is a method for executing a Java program using a mobile communication terminal that can download, efficiently manage and execute a Java application in a mobile communication terminal equipped with a Java virtual machine, and a system for performing the same.

According to the present invention, a Java server stores a Java program file and a Java data file, and a network server stores a descriptor file that records the location of the Java server. The mobile communication terminal also includes a Java virtual machine that accesses Java program files and Java data files, a Java application manager program that executes the Java virtual machine by analyzing descriptor files, and a Java program file and Java data by running the Java application manager program. It includes a wireless Internet browser that provides the user of the mobile terminal with the results of the file access.

As a result, in a mobile communication environment, various Java applications developed through existing Java programs can be downloaded to a mobile communication terminal equipped with a Java virtual machine and executed efficiently.

Mobile Terminal, Java Application, Download, Descriptor File, Mount

Description

Java program executing method using a mobile phone and system for performing the same}

1 is a view for explaining a Java program execution system using a mobile communication terminal according to an embodiment of the present invention.

2 is a diagram for explaining a software structure stored in a mobile communication terminal according to an embodiment of the present invention.

3 is a flowchart illustrating a Java program execution method using a mobile communication terminal according to an embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

100: HTTP server 110: WML page server

120: descriptor file server 130: Java executable file server

140: data file server 150: billing server

160: Help Page Server 200: Internet Backbone Network

300: mobile communication network 400: mobile communication terminal

410: WAP browser 420: Java application manager program

430: Memory 440: Java Virtual Machine

The present invention relates to a method and system for executing a Java program, and more particularly, to a method for executing a Java program using a mobile communication terminal that can download, efficiently manage and execute a Java application in a mobile communication terminal equipped with a Java virtual machine. And a system for performing this.

In general, JAVA is an object-oriented programming language such as BASIC, C, Fortran, Pascal, etc. It is basically based on C ++. The first highlight of Java's emergence is interactive content on the Web. In other words, static Web pages can be made dynamic and dynamic to interact with users.

Meanwhile, as the number of mobile phone users is increasing all over the world, mobile phone providers that have only provided voice-oriented services have invested a lot in various Internet services. In the Internet service using mobile communication terminal, which has the advantage of being able to access the internet anywhere without a PC and convenient portability, the HDML language developed in consideration of the environment that restricts the input / output of the mobile communication terminal is in an important position. Already, several companies, including AT & T in the United States, are working on HDML, and a variety of HDML sites are emerging.

In general, HDML (Handheld Device Markup Language) is a language designed to access the Internet from a mobile handheld device having a smaller memory, screen size, and input method than a desktop.

In addition, WML (Wireless Markup Language) is an XML format for input and display on mobile communication terminals such as cordless phones, pagers, and PDAs (Personal Digital Assistants) in the WAP forum. Developed based on eXtensible Markup Language, it is a suitable language for mobile communication terminals with small screen, limited memory, CPU, low bandwidth and long connection latency.

Therefore, the technical and problem of the present invention have been made in view of this point, the object of the present invention was developed using the existing Java program using the wireless Internet technology using the WML or HDML protocol, WAP, HTTP, TCP / IP protocol It is to provide a Java program execution method using a mobile communication terminal to secure various contents through a mobile communication terminal.

Another object of the present invention is to provide a system for executing a Java program execution method using the mobile communication terminal.

Java program execution method using a mobile communication terminal according to one feature for realizing the above object of the present invention,

(a) selecting a Java application link from a server on a network through a browser of a mobile terminal;                     

(b) running a Java application manager program to download a Java application manager file from the server;

(c) analyzing the contents of the Java application manager file to determine the locations of Java program files and Java data files existing on the network;

(d) downloading the Java program file and the Java data file to a mobile terminal and storing them in a storage medium of the mobile terminal; And

(e) driving a Java virtual machine to execute the Java program file and the Java data file using the Java application manager program.

In addition, a Java program execution system using a mobile communication terminal according to one feature for realizing another object of the present invention,

A Java server for storing Java program files and Java data files;

A network server for storing a descriptor file that records the location of the Java server; And

A Java virtual machine that accesses the Java program file and a Java data file, a Java application manager program that analyzes the descriptor file to execute the Java virtual machine, and runs the Java application manager program to run the Java program file and the Java And a mobile communication terminal that stores a wireless Internet browser that provides the user of the mobile terminal with the results of accessing the data file.                     

According to the method for executing a Java program using the mobile communication terminal and a system for performing the same, various Java applications developed through existing Java programs can be downloaded to a mobile communication terminal equipped with a Java virtual machine in a mobile communication environment. It can also run efficiently.

Then, embodiments will be described so that those skilled in the art can easily implement the present invention.

1 is a view for explaining a Java program execution system using a mobile communication terminal according to an embodiment of the present invention.

Referring to FIG. 1, a Java application download system using a mobile communication terminal according to an embodiment of the present invention includes an HTTP server 100, an Internet backbone network 200, a mobile communication network 300, and a mobile communication terminal 400. Include.

The HTTP server 100 includes a WML page server 110, a descriptor file server 120, a Java executable file server 130, a data file server 140, a billing server 150, and a help page server 160. Stores one or more descriptor files for WML or HDML, one or more Java executables, and one or more data files.

In more detail, the WML page server 110 displays a WML page on the WAP browser displaying various descriptor file lists according to the operation of the WAP browser of the mobile communication terminal 400.

The descriptor file server 120 stores a plurality of descriptor files for WML or HDML, and provides the corresponding descriptor file to the mobile communication terminal 400 according to the descriptor file request from the mobile communication terminal 400.

The Java executable file server 130 stores one or more Java executable files and provides the corresponding Java executable files to the mobile communication terminal 400 in response to a Java executable file request from the mobile communication terminal 400.

The data file server 140 stores one or more data files and provides the corresponding data file to the mobile communication terminal 400 according to a data file request from the mobile communication terminal 400.

The charging server 150 receives information for charging transmitted from the mobile communication terminal 400. For example, the billing server 150 referred to in the present invention is a Java program for extending the function of a web server program, such as a CGI program, which is a program executed in an existing web server, through a Java servlet. It is a Java program that can be implemented and written to be executed by the Java Virtual Machine provided with the Java runtime environment in the web. Here, the Java servlet that operates as the billing server 150 is driven by a Java virtual machine provided with a Java runtime environment in a web server, and receives information for billing transmitted from the Java virtual machine. You can perform the operation.

The mobile communication terminal 400 includes a WAP browser 410, a Java Application Manager (JAM) program 420, a memory 430, a Java virtual machine 440, and a Java application manager program 420. Run to select and download either descriptor file for WML or HDML, and analyze the contents of the downloaded file to check the location on the network of Java application, preferably URL.

In addition, the mobile communication terminal 400 downloads and stores the Java application from the identified location on the network, and executes the Java virtual machine 440 using the stored Java application. Here, a Java application is a Java program written to be executed independently by a Java virtual machine provided with a Java development kit (JDK).

That is, the Java application source code is converted into Java byte code by the Java compiler, and the converted Java byte code is converted into machine code by the Java virtual machine to execute the corresponding application file.

In more detail, the WAP browser 410 is driven according to the driving request of the user of the mobile communication terminal 400 to read the WML page of the HTTP server 100 and to display the WML page on the display panel of the mobile communication terminal 400. As the WML selects any one of the WMLs displayed on the WML page, the Java application manager program 420 is controlled to download the descriptor file from the descriptor file server 120.

The Java application manager program 420 downloads and analyzes a descriptor file from the descriptor file server 120 according to a driving command of the WAP browser 410, and based on the analyzed information, a location, for example, a URL, on a network of the Java application. Check the information. As the location of the Java application file is confirmed, the Java executable file is downloaded from the Java executable file server 130 or the data file is downloaded from the data file server 150 and downloaded and stored in the memory 430, and the mounted Java virtual machine ( 440 is driven.

The memory 430 stores a Java executable file or a data file downloaded by the Java application manager program 420 and provides the file according to a file request of the Java virtual machine 440.

The Java virtual machine 440 extracts and executes a Java executable file or data file stored in the memory 430 according to an execution command provided from the Java application manager program 420, and executes information for charging according to the execution of the mobile communication network. Through the 300 and the Internet backbone network 200 is transmitted to the billing server 150 of the HTTP server 100.

In the exemplary embodiment of the present invention, the WAP browser is used as the wireless Internet browser. However, when the WML browser or the HDML browser is mounted in the mobile communication terminal, the WML browser or the HDML browser is driven even if the WML browser or the HDML browser is driven. It will not go beyond the gist.

In addition, the various servers described in the embodiments of the present invention are defined for convenience of description of the present invention, but are not defined to be physically divided, but may be configured in one computer or defined as one program. It may be.

2 is a diagram for explaining a software structure stored in a mobile communication terminal according to an embodiment of the present invention.

Referring to FIG. 2, software stored in a mobile communication terminal according to an embodiment of the present invention is generally provided by Qualcomm, and is a native application for a wireless communication environment based on a real time operating system (RTOS). Or a software environment block 510, a native function block 520 supporting a virtual machine including native graphics or socket environment, a software block 530 for running a Java application, written by a native C language, and a Java application interface. A class block 540, a block 550 recorded by the sun microsystem as a kind of application program interface and serving as an on-screen display, and a Java application block 560 including a network game or a banking application.

3 is a flowchart illustrating a Java program execution method using a mobile communication terminal according to an embodiment of the present invention.

1 and 3, first, it is checked whether the WAP browser 410, which is a wireless Internet browser mounted on the mobile communication terminal 400, is driven (step S110), and when the WAP browser 410 is driven, the WML is executed. The WML page stored in the page server 110 is provided to the WAP browser 410 to move to a WML or HDML page having a Java application (step S120).

Then, it is checked by the user of the mobile communication terminal whether the WML or HDML indicating one descriptor file is selected in the moved page (step S130).

If either WML or HDML is selected in step S130, the Java application manager program 420 mounted in the mobile communication terminal 400 is driven (step S140), and the descriptor file selected by the user is downloaded and analyzed. In step S150, the location of the Java application on the network is checked (step S160).

If the location on the network of the Java application is unidentified in step S160, and feeds back to step S150, if the location on the network of the Java application is confirmed, the Java application is downloaded and stored in the memory 430 based on the identified location. (Step S170).

Subsequently, the Java virtual machine accessing the Java program file and the Java data file is executed (step S180), and the charging information is transmitted to the charging server 150 of the HTTP server 100 (step S190).

As described above, the present invention combines various contents created by using a conventional Java program in combination with a wireless Internet access technology using a WML or HDML protocol, which is a wireless Internet access protocol, or a WAP, HTTP, TCP / IP protocol, even in a mobile communication environment. It can be secured.

Although the above has been described with reference to a preferred embodiment of the present invention, those skilled in the art will be able to variously modify and change the present invention without departing from the spirit and scope of the invention as set forth in the claims below. It will be appreciated.

As described above, according to the present invention, a Java application manager program is driven by using a wireless Internet browser, that is, a WAP or HDML browser, and the driven Java application manager program uses a built-in HTTP protocol to generate a Java application manager file. It downloads, analyzes the contents of the downloaded Java application manager file, identifies the location of the Java application on the network, and downloads the Java application to the mobile terminal from the location on the network. The Java application is stored in the storage medium of the mobile communication terminal so that the Java virtual machine can execute it.

Claims (8)

Selecting a Java application link from a network server through a browser of the mobile terminal; Driving a Java application manager program to download a Java application manager file recording the location of the Java server from the network server; Analyze the contents of the Java application manager file to exist on the network Determining a location of a Java program file and a Java data file of the Java server; Downloading the Java program file and the Java data file from the Java server to the mobile terminal and storing them in a storage medium of the mobile terminal; And And executing a Java virtual machine for executing the Java program file and the Java data file using the Java application manager program. 5. The method of claim 1, The operation of the Java application manager program, Java program execution method using a mobile communication terminal, characterized in that using either the WAP browser or HDML browser. The method of claim 1, And transmitting information for billing to a billing server according to the execution of the Java application. A Java server for storing Java program files and Java data files on a network; A network server for storing a descriptor file that records the location of the Java server; And Run a Java application program to determine the location of the Java program file and the Java data file from the network server, download the Java program file and the Java data file from the Java server of the identified location, and download the downloaded A Java program execution system comprising a mobile terminal having a Java virtual machine executing a Java program file and a Java data file. delete The method of claim 4, wherein the mobile communication terminal, WAP browser; A storage medium storing the Java program file and the Java data file; Java virtual machine; And Download the descriptor file corresponding to the Java application selected by the user driven by the WAP browser, analyze the descriptor file to identify the location on the network of the Java application selected by the user, and check the Java application file at the identified location. Download and Remind And a Java application manager program stored in a storage medium and informing the Java virtual machine of the location of the stored Java application file to instruct execution of the Java application. The method of claim 4, wherein Java program execution system using a mobile communication terminal characterized in that it further comprises a charging server for receiving the information for charging from the mobile communication terminal to perform the charging operation. The method of claim 4, wherein The mobile communication terminal, A software environment unit for a wireless communication environment; A native function unit based on the software environment unit and supporting a virtual machine including raw graphics or a socket environment; A software unit based on the software environment unit and the native function unit and written by a native C language to drive a Java application; A Java application interface class unit based on the native function unit and the software unit; A user interface unit based on the Java application interface class unit and serving as a display on a screen; And And a Java application unit based on the Java application interface class unit and the user interface unit, the Java application unit including a Java application manager program, a network game, and a banking application.

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