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package eu.etaxonomy.cdm.vaadin.presenter;

import org.springframework.security.authentication.AuthenticationManager;

import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;

import org.springframework.security.core.Authentication;

import eu.etaxonomy.cdm.vaadin.util.CdmSpringContextHelper;

import eu.etaxonomy.cdm.vaadin.view.AuthenticationView;

import eu.etaxonomy.cdm.vaadin.view.IAuthenticationComponent;

public class AuthenticationPresenter implements IAuthenticationComponent.AuthenticationComponentListener{

	private final AuthenticationView view;

	public AuthenticationPresenter(AuthenticationView view) {

		this.view = view;

		view.addListener(this);

	}

	@Override

	public Authentication login(String userName, String password) {

		UsernamePasswordAuthenticationToken token = new UsernamePasswordAuthenticationToken(userName, password);

		AuthenticationManager authenticationManager = (AuthenticationManager) CdmSpringContextHelper.getCurrent().getBean("authenticationManager");

		Authentication authentication = authenticationManager.authenticate(token);

		return authentication;

	}

}