in src/main/java/org/apache/sling/scripting/javascript/internal/RhinoJavaScriptEngineFactory.java [423:433]
private boolean getProperty(String name, Dictionary<?, ?> props,
BundleContext bundleContext, boolean defaultValue) {
Object value = props.get(name);
if (value == null) {
value = bundleContext.getProperty(name);
}
return (value != null)
? Boolean.parseBoolean(String.valueOf(value))
: defaultValue;
}