The login portlet

ELVISSignInPortlet.java

package elvis.sgi.sk.ca.signin.portlet;

import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.exception.SystemException;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.portlet.NoRedirectActionResponse;
import com.liferay.portal.kernel.struts.PortletActionInvoker;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.Validator;
import com.liferay.portal.kernel.util.WebKeys;
import com.liferay.portal.model.User;
import com.liferay.portal.service.UserLocalServiceUtil;
import com.liferay.portal.theme.ThemeDisplay;
import com.liferay.portal.util.PortalUtil;
import com.liferay.util.bridges.mvc.MVCPortlet;

import java.io.IOException;

import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.PortletConfig;
import javax.portlet.PortletException;

/**
 * Portlet implementation class ELVISSignInPortlet
 */
public class ELVISSignInPortlet extends MVCPortlet {
	private static Log _log = LogFactoryUtil.getLog(ELVISSignInPortlet.class);
	@Override
	public void processAction(ActionRequest actionRequest,
			ActionResponse actionResponse) throws IOException, PortletException {
		String className = "com.liferay.portlet.login.action.LoginAction";
		PortletConfig portletConfig = getPortletConfig();
		NoRedirectActionResponse noRedirectActionResponse = 
				new NoRedirectActionResponse(actionResponse);
		try {
			PortletActionInvoker.processAction(className, portletConfig, actionRequest, noRedirectActionResponse);
		} catch (Exception e) {
			_log.error(e, e);
		}
		
		String login = ParamUtil.getString(actionRequest, "login");
		String password = ParamUtil.getString(actionRequest, "password");
		String rememberMe = ParamUtil.getString(actionRequest, "rememberMe");
		
		if (Validator.isNull(noRedirectActionResponse.getRedirectLocation())) {
			actionResponse.setRenderParameter("login", login);
			actionResponse.setRenderParameter("rememberMe", rememberMe);
		} else {
			String redirect = "/web/elvis/login";
			actionResponse.sendRedirect(redirect);
		}
		ThemeDisplay themeDisplay = (ThemeDisplay) actionRequest.getAttribute(WebKeys.THEME_DISPLAY);
		long companyId = themeDisplay.getCompanyId();
		int status = 0;
		try {
			status = UserLocalServiceUtil.authenticateByScreenName(companyId, login, password, null, null, null);
			System.out.println(status);
			User userString = null;
			if(status==1){
				userString = UserLocalServiceUtil.getUserByScreenName(companyId, login);
				String redirect = PortalUtil.getPathMain() + "/portal/login?login=" + userString.getEmailAddress() + "&password=" + password;
				System.out.println(redirect);
				actionResponse.sendRedirect(redirect);
			}
		} catch (PortalException e) {
			e.printStackTrace();
		} catch (SystemException e) {
			e.printStackTrace();
		}
	}
}