// Validation approach:
// - JRE marker (rt.jar)
// - FX marker (jfxrt.jar)
// - JDK marker (tools.jar)
private static boolean checkJDKRoot(File jdkRoot) {
File rtJar = new File(jdkRoot, "jre/lib/rt.jar");
if (!rtJar.exists()) {
Log.verbose("rt.jar is not found at " + rtJar.getAbsolutePath());
return false;
}
File jfxJar = new File(jdkRoot, "jre/lib/ext/jfxrt.jar");
if (!jfxJar.exists()) {
// Try again with new location
jfxJar = new File(jdkRoot, "jre/lib/jfxrt.jar");
if (!jfxJar.exists()) {
Log.verbose("jfxrt.jar is not found at " + jfxJar.getAbsolutePath());
return false;
}
}
File toolsJar = new File(jdkRoot, "lib/tools.jar");
if (!toolsJar.exists()) {
Log.verbose("tools.jar is not found at " + toolsJar.getAbsolutePath());
return false;
}
return true;
}
// select subset of given runtime using predefined rules
public void setRuntime(File baseDir) {
baseDir = validateRuntimeLocation(baseDir);
// mistake or explicit intent to use system runtime
if (baseDir == null) {
Log.verbose("No Java runtime to embed. Package will need system Java.");
runtime = null;
return;
}
doSetRuntime(baseDir);
useDefaultRuntime = false;
}