com.look.ChangeAccountServlet.java Source code

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Here is the source code for com.look.ChangeAccountServlet.java

Source

package com.look;

import java.io.IOException;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.lang3.StringUtils;

/*
 * Copyright 2015 Kevin Holland.
 *
 * 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.
 */

/**
 * ChangeAccountServlet handles changing user data
 * 
 * @author  Kevin Holland (GitHub: kholland950)
 * @date    04/20/15
 * @updated 05/17/15
 */
@WebServlet("/changeAccount")
public class ChangeAccountServlet extends HttpServlet {
    /**
     * Processes post request for changing user account data
     * @param request
     * @param response
     * @throws IOException
     * @throws ServletException 
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws IOException, ServletException {
        String newFirstName = request.getParameter("firstName");
        String newLastName = request.getParameter("lastName");

        if (!StringUtils.isAlpha(newFirstName)) {
            request.setAttribute("message", "First name cannot contain numbers or special characters");
            request.getRequestDispatcher("/account.jsp").forward(request, response);
        } else if (!StringUtils.isAlpha(newLastName)) {
            request.setAttribute("message", "Last name cannot contain numbers or special characters");
            request.getRequestDispatcher("/account.jsp").forward(request, response);
        }

        String username = request.getSession().getAttribute("user").toString();
        String oldFirstName = DatabaseUserUtils.getFirstNameFromUsername(username);
        String oldLastName = DatabaseUserUtils.getLastNameFromUsername(username);

        if (newFirstName.equals(oldFirstName) || newLastName.equals(oldLastName)) {
            response.sendRedirect("account.jsp");
        }

        //change the name
        Connection conn;
        try {
            conn = LookDatabaseUtils.getNewConnection();
            PreparedStatement updateStatement = conn
                    .prepareStatement("UPDATE users " + "SET first_name=?, " + "last_name=? " + "WHERE username=?");
            updateStatement.setString(1, newFirstName);
            updateStatement.setString(2, newLastName);
            updateStatement.setString(3, username);
            updateStatement.executeUpdate();
        } catch (ClassNotFoundException | SQLException ex) {
            Logger.getLogger(ChangeAccountServlet.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
}