JNLP

JNLP

개요

Java Network Launching Protocol (JNLP) 은 Java Web Start 기술과 관련된 파일 형식 입니다. 웹 브라우저 에서 Java 응용 프로그램을 배포 할 수 있다는 것 입니다.

응용 프로그램과 그 종속성을 설명하는 웹 사이트에 jnlp 파일을 놓은 다음 응용 프로그램을 직접 배포하기 위해이 파일을 가리키는 링크를 놓습니다. 이 작업을 수행하려면 Java가 클라이언트 컴퓨터에 설치되어 있어야합니다.

Exemple

<?xml version="1.0" encoding="utf-8"?>

<!-- JNLP File for PSNext Application -->

<jnlp  spec="1.0+"   codebase="url de base de l'application"  href="fichier jnlp">

   	<information>
 		<title>Nom de l'application</title>
		<vendor></vendor>
     		<homepage href="http://www.homepage.com"/>
     		<description>Description de l'application</description>
     		<icon href="AppIcon.gif"/>
	</information>

   	<security>
       		<all-permissions/>
  	</security> 

  	<resources> 
    		<j2se href="http://java.sun.com/products/autodl/j2se" version="1.4.2+" max-heap-size="128m"/>
		<jar href="lib1.jar"/>
     		<jar href="lib2.jar"/>
     		<jar href="utilities.jar"/>
   	</resources>

   	<application-desc main-class="com.test.gui.Main">
  		<argument>-showSavePwd</argument>
  	</application-desc>

 </jnlp>

HTML 실행

Exemple-1

var iframe = $("<iframe id=\"ifameApp\"/>").attr("src" , "jnlp://1.241.70.128/app/upload/serverApp.jnlp")

$(document).find("body").append(iframe);

<?xml version="1.0" encoding="utf-8"?>

<jnlp spec="1.5+" codebase="http://1.241.70.128/app/upload/" href="http://1.241.70.128/app/upload/serverApp.jnlp">

    <information>

        <title>File Upload Applet</title>

        <vendor>KRRI.BIM</vendor>

<homepage href="http://1.241.70.128/app/upload/"/>

<icon href="images/h3_log.jpg" width="64" height="64"/>

<offline-allowed/>

    <shortcut online="true">

        <desktop/>

    </shortcut>

    </information>

    <security><all-permissions/></security>

    <resources os="Windows">

    <j2se version="1.6+" java-vm-args="-Xincgc" initial-heap-size="512m" max-heap-size="512m"/>

  </resources>

  <resources os="Windows" arch="x86">

    <jar href="applet.jar"/>

    <jar href="javaws.jar"/>

    <jar href="servlet-api-2.5.jar"/>

  </resources>

  <resources os="Windows" arch="x86_64 amd64">

    <jar href="applet.jar"/>

    <jar href="javaws.jar"/>

    <jar href="servlet-api-2.5.jar"/>

    </resources>

    <application-desc name="WebStart" main-class="applet.IoApplication" width="625" height="595">

    <argument>-session</argument>

    <argument>player</argument>

    <argument>-play</argument>

    </application-desc>

<update check="always" policy="always"/>

</jnlp>

Exemple-2

$("#jnlpform").attr("action" , "jnlp://1.241.70.128/sgp/idx/appRun.do");

$("#jnlpform").attr("method" , "post");

$("#jnlpform").submit();

@RequestMapping(value = "/sgp/idx/appRun.do")

public ModelAndView appRun(

@RequestParam(value="filePath", required=false)String filePath,

@RequestParam(value="arg1", required=false)String arg1,

@RequestParam(value="arg2", required=false)String arg2,

@RequestParam(value="arg3", required=false)String arg3,

@RequestParam(value="arg4", required=false)String arg4,

HttpServletRequest req, HttpServletResponse resp

) throws Exception {

ModelAndView model = new ModelAndView();

model.addObject("filePath",filePath);

model.setViewName("/applet/appRun");

return model;

}

<%@ page contentType="application/x-java-jnlp-file" %>

<%@ page import="java.io.*"%>

<%@ page import="javax.servlet.ServletOutputStream"%>

<%@ page trimDirectiveWhitespaces = "true"%>

<%

%>

<?xml version="1.0" encoding="utf-8"?>

<jnlp spec="1.0" codebase="http://1.241.70.128/app/cs">

   <information>

      <title>Viewer</title>

      <vendor>KRRI</vendor>

   </information>

   <security><all-permissions/></security>

   <resources os="Windows">

<j2se version="1.5+" href="http://java.sun.com/products/autodl/j2se"/>

<jar href="appRun.jar"/>

    <jar href="javaws.jar"/>

    <jar href="servlet-api-2.5.jar"/>

    </resources>

    <application-desc name="WebStart" main-class="appRun.appRun" width="625" height="595">

        <%

        if(!"".equals(request.getParameter("arg1"))){

%><argument><%=request.getParameter("arg1")%></argument><%

        }

        %>

        <%

        if(!"".equals(request.getParameter("arg2"))){

%><argument><%=request.getParameter("arg2")%></argument><%

        }

        %>

       

        <%

        if(!"".equals(request.getParameter("arg3"))){

%><argument><%=request.getParameter("arg3")%></argument><%

        }

        %>

        <%

        if(!"".equals(request.getParameter("arg4"))){

%><argument><%=request.getParameter("arg4")%></argument><%

        }

        %>

    </application-desc>

</jnlp>