com.seer.datacruncher.spring.ForgetPasswordController.java Source code

Introduction

Here is the source code for com.seer.datacruncher.spring.ForgetPasswordController.java

Source

/*
 * Copyright (c) 2015  www.see-r.com
 * All rights reserved
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.seer.datacruncher.spring;

import com.seer.datacruncher.constants.Mail;
import com.seer.datacruncher.jpa.Update;
import com.seer.datacruncher.jpa.dao.DaoSet;
import com.seer.datacruncher.jpa.entity.UserEntity;
import com.seer.datacruncher.utils.generic.CommonUtils;
import com.seer.datacruncher.utils.generic.I18n;
import com.seer.datacruncher.utils.mail.MailConfig;

import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.HashMap;
import java.util.Map;

import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.lang.RandomStringUtils;
import org.apache.log4j.Logger;
import org.apache.velocity.app.VelocityEngine;
import org.codehaus.jackson.map.ObjectMapper;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;

public class ForgetPasswordController implements Controller, DaoSet {

    private String mailFrom;
    private String mailSubject;
    private String mailTemplate;
    private VelocityEngine velocityEngine;

    private Logger log = Logger.getLogger(this.getClass());

    public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        boolean isEmailSent = false;
        String userName = request.getParameter("userName");
        String email = request.getParameter("email");
        ServletOutputStream out = null;
        response.setContentType("application/json");
        out = response.getOutputStream();
        if (userName == null || "".equalsIgnoreCase(userName.trim())) {
            out.write("userNameRequired".getBytes());
            out.flush();
            out.close();
            return null;
        }
        if (email == null || "".equalsIgnoreCase(email.trim())) {
            out.write("emailRequired".getBytes());
            out.flush();
            out.close();
            return null;
        }

        UserEntity userEntity = new UserEntity();
        userEntity = usersDao.findUserByNameNMailId(userName, email);

        ObjectMapper mapper = new ObjectMapper();
        mapper.setDateFormat(new SimpleDateFormat("yyyy-MM-dd"));
        Update updateResult = new Update();
        if (userEntity != null) {
            String tempPassword = RandomStringUtils.randomAlphanumeric(4);
            userEntity.setPassword(tempPassword);
            updateResult = usersDao.update(userEntity);
            if (updateResult.isSuccess()) {
                MailConfig mailConfig = new MailConfig();
                mailConfig.setMailTo(userEntity.getEmail());
                mailConfig.setMailFrom(mailFrom);
                mailConfig.setSubject(mailSubject);
                Map<String, String> model = new HashMap<String, String>();
                model.put("name", userEntity.getUserName());
                model.put("tempPassword", tempPassword);
                String mailContent = CommonUtils.mergeVelocityTemplateForEmail(velocityEngine, mailTemplate, model);
                mailConfig.setText(mailContent);
                try {
                    Mail.getJavaMailService().sendMail(mailConfig);
                    isEmailSent = true;
                } catch (Exception e) {
                    isEmailSent = false;
                    log.error("Failed to dispatch mail:", e);

                }
            }
            if (!isEmailSent) {
                updateResult.setMessage(I18n.getMessage("error.emailConfigError"));
                updateResult.setSuccess(false);
            } else {
                updateResult.setMessage(I18n.getMessage("success.emailConfigSuccess"));
            }

        } else {
            updateResult.setMessage(I18n.getMessage("error.emailError"));
            updateResult.setSuccess(false);

        }
        out.write(mapper.writeValueAsBytes(updateResult));
        out.flush();
        out.close();
        return null;
    }

    //----------------SETTERS & GETTERS-------------

    /**
     * @return the mailFrom
     */
    public String getMailFrom() {
        return mailFrom;
    }

    /**
     * @param mailFrom the mailFrom to set
     */
    public void setMailFrom(String mailFrom) {
        this.mailFrom = mailFrom;
    }

    /**
     * @return the mailSubject
     */
    public String getMailSubject() {
        return mailSubject;
    }

    /**
     * @param mailSubject the mailSubject to set
     */
    public void setMailSubject(String mailSubject) {
        this.mailSubject = mailSubject;
    }

    public String getMailTemplate() {
        return mailTemplate;
    }

    public void setMailTemplate(String mailTemplate) {
        this.mailTemplate = mailTemplate;
    }

    /**
     * @return the velocityEngine
     */
    public VelocityEngine getVelocityEngine() {
        return velocityEngine;
    }

    /**
     * @param velocityEngine the velocityEngine to set
     */
    public void setVelocityEngine(VelocityEngine velocityEngine) {
        this.velocityEngine = velocityEngine;
    }
}