package at.gv.egovernment.moa.spss.tsl;

import at.gv.egovernment.moa.sig.tsl.TslClientFactory;
import at.gv.egovernment.moa.sig.tsl.api.ITslService;
import at.gv.egovernment.moa.sig.tsl.config.TslConfigurationImpl;
import at.gv.egovernment.moa.sig.tsl.exception.TslException;
import at.gv.egovernment.moa.sig.tsl.pki.chaining.ChainingTrustStoreHandler;
import at.gv.egovernment.moa.spss.util.MessageProvider;
import at.gv.egovernment.moaspss.logging.LogMsg;
import at.gv.egovernment.moaspss.logging.Logger;
import iaik.pki.store.truststore.TrustStoreFactory;

public class TSLServiceFactory {

	private static ITslService tslClient = null;
	private static TslConfigurationImpl interalConfig;
	
	public static void initialize(TslConfigurationImpl config) {
		if (tslClient == null) {
			try {
				interalConfig = config;
				tslClient = TslClientFactory.buildTslService(interalConfig);

				TrustStoreFactory.addTrustStoreHandler(new ChainingTrustStoreHandler());
				
			} catch (TslException e) {
				Logger.fatal(new LogMsg(MessageProvider.getInstance().getMessage("init.05", new Object[]{e.getMessage()})), e);
								
			}
			
		} else {
			Logger.error("TSL-Service client can only be initialized once.");
			throw new IllegalStateException("TSL-Service client can only be initialized once.");
			
		}
		
	}
	
	public static boolean isInitialized() {
		if (tslClient == null)
			return false;
		else
			return true;
		
	}
	
	public static ITslService getTSLServiceClient() {
		if (!isInitialized()) {
			Logger.warn("TSL client is not initialized but config is available. Starting new initialization process ...");
			initialize(interalConfig);
		}
			
		return tslClient;
		
	}
	
}