in src/main/java/org/apache/sling/engine/impl/parameters/ParameterSupport.java [364:377]
private void getContainerParameters(final ParameterMap parameters, final String encoding, final boolean alwaysAdd) {
final Map<?, ?> pMap = getServletRequest().getParameterMap();
for (Map.Entry<?, ?> entry : pMap.entrySet()) {
final String name = (String) entry.getKey();
if (alwaysAdd || !parameters.containsKey(name)) {
final String[] values = (String[]) entry.getValue();
for (int i = 0; i < values.length; i++) {
parameters.addParameter(new ContainerRequestParameter(name, values[i], encoding), false);
}
}
}
}