com.angstoverseer.web.servlet.CommandServlet.java Source code

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Here is the source code for com.angstoverseer.web.servlet.CommandServlet.java

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/* 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.angstoverseer.web.servlet;

import com.angstoverseer.service.command.CommandService;
import com.google.appengine.api.users.UserService;
import com.google.appengine.api.users.UserServiceFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.HttpRequestHandler;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@Component("CommandServlet")
public class CommandServlet implements HttpRequestHandler {

    @Autowired
    private CommandService commandService;

    @Override
    public void handleRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        final UserService userService = UserServiceFactory.getUserService();
        if (userService.getCurrentUser() == null) {
            response.getWriter().print("Error: User not authenticated.");
        } else {
            final String command = request.getParameter("command");
            final String email = userService.getCurrentUser().getEmail();
            final String answer = commandService.process(command, email);
            response.getWriter().print(answer);
        }
    }
}