@Override
public boolean eval(Map<String, Object> context) {
// if no user is logged in, treat as if the user does not have permission
GenericValue userLogin = (GenericValue) context.get("userLogin");
if (userLogin != null) {
String serviceName = serviceExdr.expandString(context);
String mainAction = actionExdr.expandString(context);
String contextMap = ctxMapExdr.expandString(context);
String resource = resExdr.expandString(context);
if (UtilValidate.isEmpty(resource)) {
resource = serviceName;
}
if (UtilValidate.isEmpty(serviceName)) {
Debug.logWarning("No permission service-name specified!", module);
return false;
}
Map<String, Object> serviceContext = UtilGenerics.toMap(context.get(contextMap));
if (serviceContext != null) {
// copy the required internal fields
serviceContext.put("userLogin", context.get("userLogin"));
serviceContext.put("locale", context.get("locale"));
} else {
serviceContext = context;
}
// get the service objects
LocalDispatcher dispatcher = this.modelScreen.getDispatcher(context);
DispatchContext dctx = dispatcher.getDispatchContext();
// get the service
ModelService permService;
try {
permService = dctx.getModelService(serviceName);
} catch (GenericServiceException e) {
Debug.logError(e, module);
return false;
}
if (permService != null) {
// build the context
Map<String, Object> svcCtx = permService.makeValid(serviceContext, ModelService.IN_PARAM);
svcCtx.put("resourceDescription", resource);
if (UtilValidate.isNotEmpty(mainAction)) {
svcCtx.put("mainAction", mainAction);
}
// invoke the service
Map<String, Object> resp;
try {
resp = dispatcher.runSync(permService.name, svcCtx, 300, true);
} catch (GenericServiceException e) {
Debug.logError(e, module);
return false;
}
if (ServiceUtil.isError(resp) || ServiceUtil.isFailure(resp)) {
Debug.logError(ServiceUtil.getErrorMessage(resp), module);
return false;
}
Boolean hasPermission = (Boolean) resp.get("hasPermission");
if (hasPermission != null) {
return hasPermission.booleanValue();
}
}
}
return false;
}
