nz.co.senanque.vaadinsupport.viewmanager.TouchLoginForm.java Source code

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/*******************************************************************************
 * Copyright (c)2014 Prometheus Consulting
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *******************************************************************************/
package nz.co.senanque.vaadinsupport.viewmanager;

import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;

import javax.security.auth.login.LoginException;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.MessageSource;
import org.springframework.context.MessageSourceAware;
import org.springframework.context.support.MessageSourceAccessor;

import com.vaadin.addon.touchkit.ui.TouchKitApplication;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.Form;
import com.vaadin.ui.PasswordField;
import com.vaadin.ui.TextField;
import com.vaadin.ui.Window.Notification;

/**
 * 
 * @author Roger Parkinson
 * @version $Revision:$
 */

public class TouchLoginForm extends Form implements InitializingBean, MessageSourceAware, Serializable {
    private Logger logger = LoggerFactory.getLogger(this.getClass());
    private static final long serialVersionUID = 8927668036479913166L;
    String usernameCaption;
    String passwordCaption;
    String submitCaption;
    String welcomeCaption;
    private MessageSource m_messageSource;
    @Autowired
    private TouchLoginListener m_loginListener;

    public TouchLoginForm() {
    }

    public TouchLoginListener getLoginListener() {
        return m_loginListener;
    }

    public void setLoginListener(TouchLoginListener loginListener) {
        m_loginListener = loginListener;
    }

    public void setMessageSource(MessageSource messageSource) {
        m_messageSource = messageSource;
    }

    public void afterPropertiesSet() throws Exception {
        MessageSourceAccessor messageSourceAccessor = new MessageSourceAccessor(m_messageSource);
        usernameCaption = messageSourceAccessor.getMessage("username");
        passwordCaption = messageSourceAccessor.getMessage("password");
        submitCaption = messageSourceAccessor.getMessage("login.button");
        welcomeCaption = messageSourceAccessor.getMessage("welcome");
        final TextField userName = new TextField(usernameCaption);
        userName.setImmediate(true);
        addField("userName", userName);
        final PasswordField password = new PasswordField(passwordCaption);
        password.setImmediate(true);
        addField("password", password);
        Button submit = new Button(submitCaption);
        addField("submit", submit);
        submit.addListener(new ClickListener() {

            private static final long serialVersionUID = 5201900702970450254L;

            public void buttonClick(ClickEvent event) {
                Map<String, String> map = new HashMap<String, String>();
                map.put("user", String.valueOf(userName.getValue()));
                map.put("password", String.valueOf(password.getValue()));
                if (getLoginListener() != null) {
                    try {
                        getLoginListener().onLogin(map);
                    } catch (Exception e) {
                        Throwable cause = e.getCause();
                        if (cause == null || !(cause instanceof LoginException)) {
                            logger.error(e.getMessage(), e);
                        }
                        MessageSourceAccessor messageSourceAccessor = new MessageSourceAccessor(m_messageSource);
                        String message = messageSourceAccessor.getMessage("Bad.Login", "Bad Login");
                        TouchKitApplication.get().getMainWindow().showNotification(message,
                                Notification.TYPE_ERROR_MESSAGE);
                        return;
                    }
                }
                TouchKitApplication.get().setUser(userName.getValue());
            }
        });
    }
}