Java Reference
In-Depth Information
L
ISTING
11.6
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11
public void setupDownloadWindow() {
eis.setHeading(Utilities.getMsg(“heading1”));
eis.setStatus(Utilities.getMsg(“sometext”));
}
public void doResourcesDownload(){
installOptionalPackage();
}
public void installationCompleted(boolean success, boolean reboot){
if (success){
if (reboot){
//handle some reboot preparation
}
eis.installSucceeded(reboot);
} else {
//handle failure
eis.installFailed();
}
}
public void installOptionalPackage(){
String optionalPackagesJARDirWin = “\\lib\\ext\\”;//see Sun docs
String jarName = “anapp.jar”;
String jarServerPath = “http://server/b2/c11/”+jarName;
URL jreURL = null;
try {
jreURL = new
URL(“http://jsp.java.sun.com/servlet/javawsExtensionServer”);
} catch (Exception e) {
System.out.println(“creating URL: “+e);
}
String jrePath = eis.getInstalledJRE(jreURL,”1.3.0”);
File javaFile = new File(jrePath);//where java is located
String jreRoot = javaFile.getParentFile().getParent();
File libDir = new File(jreRoot+optionalPackagesJARDirWin);
if (!libDir.exists())
libDir.mkdirs();
File jarFile = new File(jreRoot + optionalPackagesJARDirWin +jarName);
try {
FileOutputStream fos = new FileOutputStream(jarFile);
URL jarURL = new URL(jarServerPath);
URLConnection jarConn = jarURL.openConnection();
InputStream is = jarConn.getInputStream();
int q;
while ((q = is.read()) != -1)
fos.write(q);
