/**
* checks if the passed reference to a SLD document is valid against the defined in the policy. If
* <tt>user</ff> != <tt>null</tt> the valid sld reference addresses will be read from the
* user/rights repository
*
* @param condition condition containing the definition of the valid sldRef
* @param sldRef
* @throws InvalidParameterValueException
*/
private void validateSLD(Condition condition, URL sldRef) throws InvalidParameterValueException {
OperationParameter op = condition.getOperationParameter(SLD);
if (op == null && sldRef != null) {
throw new InvalidParameterValueException(INVALIDSLD + sldRef);
}
// sldRef is valid because no restrictions are made
if (sldRef == null || op.isAny()) return;
List<String> list = op.getValues();
String port = null;
if (sldRef.getPort() != -1) {
port = ":" + sldRef.getPort();
} else {
port = ":80";
}
String addr = sldRef.getProtocol() + "://" + sldRef.getHost() + port;
if (!list.contains(addr)) {
if (!op.isUserCoupled()) {
throw new InvalidParameterValueException(INVALIDSLD + sldRef);
}
userCoupled = true;
}
try {
SLDFactory.createSLD(sldRef);
} catch (XMLParsingException e) {
String s = org.deegree.i18n.Messages.getMessage("WMS_SLD_IS_NOT_VALID", sldRef);
throw new InvalidParameterValueException(s);
}
}
/**
* validates if the requested layer is valid against the policy/condition. If the passed user <>
* null this is checked against the user- and rights-management system/repository
*
* @param condition
* @param layer
* @throws InvalidParameterValueException
*/
private void validateLayer(Condition condition, String layer, String style)
throws InvalidParameterValueException {
OperationParameter op = condition.getOperationParameter(LAYER);
// version is valid because no restrictions are made
if (op.isAny()) {
return;
}
List<String> v = op.getValues();
// seperate layers from assigned styles
Map<String, String> map = new HashMap<String, String>();
for (int i = 0; i < v.size(); i++) {
String[] tmp = StringTools.toArray(v.get(i), "|", false);
map.put(tmp[0], tmp[1]);
}
String vs = map.get(layer);
if (vs == null) {
if (!op.isUserCoupled()) {
throw new InvalidParameterValueException(INVALIDLAYER + layer);
}
userCoupled = true;
} else if (!style.equalsIgnoreCase("default")
&& vs.indexOf("$any$") < 0
&& vs.indexOf(style) < 0) {
if (!op.isUserCoupled()) {
// a style is valid for a layer if it's the default style
// or the layer accepts any style or a style is explicit defined
// to be valid
throw new InvalidParameterValueException(INVALIDSTYLE + layer + ':' + style);
}
userCoupled = true;
}
}