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编写程序

JavaWebStart JRE 1.4.2 auto-download installer

To build for a specific platform, go to:

jreinstaller/build/<platform>/jreinstallers

and do a:

gnumake -e SDK_12=<path to sdk directory> -e JNLP_JAR=<path to jnlp.jar/javaws.jar> -e J2RE_BIN=<path to the 1.4.2 jre installer executable> -e J2RE_LICENSE=<path to the jre installer license> -e SIGNING=<true if you want to sign the jars> -e CACERTS=<path to cert to sign jar>

The resulting jar files will be generated in:

jreinstaller/build/<platform>/jreinstallers/bin/

The jnlp file for the installer can be found at:

jreinstaller/build/<platform>/jreinstallers/resources/

Hosting the installer:

You will need to host the installer using the JNLPDownloadServlet and the
VersionDownload Protocol.  Please refer to the JNLPDownloadServlet guide for
details.

The "javaVersion" property in the jnlp file will be the version of the JRE.
It must match the <version-id> tag (specified in the version.xml file) for 
the jnlp file of the JREInstaller.

There is a sample version.xml in jreinstaller/build/<platform>/jreinstallers/resources/.

On Windows platform, the installer will install the JRE into the default location, "c:\program files\java\j2re1.4.2"

On Solaris/Linux, the installer will install the JRE into the user's javawebstart cache.