/**
* Creates a new helper for a given client connector.
*
* @param client The client to help.
* @param helperClass Optional helper class name.
* @return The new helper.
*/
@SuppressWarnings("unchecked")
public ConnectorHelper<Client> createHelper(Client client, String helperClass) {
ConnectorHelper<Client> result = null;
if (client.getProtocols().size() > 0) {
ConnectorHelper<Client> connector = null;
for (final Iterator<ConnectorHelper<Client>> iter = getRegisteredClients().iterator();
(result == null) && iter.hasNext(); ) {
connector = iter.next();
if (connector.getProtocols().containsAll(client.getProtocols())) {
if ((helperClass == null)
|| connector.getClass().getCanonicalName().equals(helperClass)) {
try {
result = connector.getClass().getConstructor(Client.class).newInstance(client);
} catch (Exception e) {
Context.getCurrentLogger()
.log(
Level.SEVERE,
"Exception during the instantiation of the client connector.",
e);
}
}
}
}
if (result == null) {
// Couldn't find a matching connector
StringBuilder sb = new StringBuilder();
sb.append("No available client connector supports the required protocols: ");
for (Protocol p : client.getProtocols()) {
sb.append("'").append(p.getName()).append("' ");
}
sb.append(". Please add the JAR of a matching connector to your classpath.");
if (Edition.CURRENT == Edition.ANDROID) {
sb.append(" Then, register this connector helper manually.");
}
Context.getCurrentLogger().log(Level.WARNING, sb.toString());
}
}
return result;
}
