protected <T> boolean tryToWire(Class<T> type) {
		boolean success = false;
		String className = type.getName();
		Map<String, T> map = getApplicationConfig().applicationContext().getBeansOfType(type);
		if (logger.isDebugEnabled()) {
			logger.debug("Search for '" + className + "' found: " + map);
		}

		if (map.size() == 1) {
			// Got one - wire it in
			Map.Entry entry = map.entrySet().iterator().next();
			String name = (String) entry.getKey();
			AuthenticationManager am = (AuthenticationManager) entry.getValue();

			setAuthenticationManager(am);
			success = true;

			if (logger.isInfoEnabled()) {
				logger.info("Auto-configuration using '" + name
						+ "' as authenticationManager");
			}
		} else if (map.size() > 1) {
			if (logger.isInfoEnabled()) {
				logger.info("Need a single '" + className + "', found: "
						+ map.keySet());
			}
		} else {
			// Size 0, no potentials
			if (logger.isInfoEnabled()) {
				logger.info("Auto-configuration did not find a suitable authenticationManager of type "
						+ type);
			}
		}

		return success;
	}
protected < T > boolean tryToWire ( Class < T > type ) { boolean success = false ; String className = type . getName ( ) ; Map < String , T > map = getApplicationConfig ( ) . applicationContext ( ) . getBeansOfType ( type ) ; if ( logger . isDebugEnabled ( ) ) { logger . debug ( "Search for '" + className + "' found: " + map ) ; } if ( map . size ( ) == 1 ) { Map . Entry entry = map . entrySet ( ) . iterator ( ) . next ( ) ; String name = ( String ) entry . getKey ( ) ; AuthenticationManager am = ( AuthenticationManager ) entry . getValue ( ) ; setAuthenticationManager ( am ) ; success = true ; if ( logger . isInfoEnabled ( ) ) { logger . info ( "Auto-configuration using '" + name + "' as authenticationManager" ) ; } } else if ( map . size ( ) > 1 ) { if ( logger . isInfoEnabled ( ) ) { logger . info ( "Need a single '" + className + "', found: " + map . keySet ( ) ) ; } } else { if ( logger . isInfoEnabled ( ) ) { logger . info ( "Auto-configuration did not find a suitable authenticationManager of type " + type ) ; } } return success ; }
Try to locate and "wire in" a suitable authentication manager.

@param type
The type of bean to look for
@return true if we found and wired a suitable bean