edu.lafayette.metadb.web.userman.ShowUsers.java Source code

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/*
  MetaDB: A Distributed Metadata Collection Tool
  Copyright 2011, Lafayette College, Eric Luhrs, Haruki Yamaguchi, Long Ho.
    
  This file is part of MetaDB.
    
MetaDB 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.
    
MetaDB 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 MetaDB.  If not, see <http://www.gnu.org/licenses/>.
 */
package edu.lafayette.metadb.web.userman;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;

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

import org.json.JSONArray;
import org.json.JSONObject;

import edu.lafayette.metadb.model.commonops.MetaDbHelper;
import edu.lafayette.metadb.model.userman.User;
import edu.lafayette.metadb.model.userman.UserManDAO;

/**
 * Servlet implementation class ShowUsers
 */
public class ShowUsers extends HttpServlet {
    private static final long serialVersionUID = 1L;

    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        doPost(request, response);
    }

    /**
    * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
    */
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        // TODO Auto-generated method stub
        PrintWriter out = response.getWriter();
        JSONObject output = new JSONObject();
        JSONArray admins = new JSONArray();
        JSONArray workers = new JSONArray();
        JSONObject permissions = new JSONObject();
        try {
            ArrayList<User> userList = UserManDAO.getUserList();
            for (User u : userList) {
                JSONObject user = new JSONObject();
                JSONObject info = new JSONObject();
                info.put("auth_type", u.getAuthType());
                info.put("user_type", u.getType());

                user.put("username", u.getUserName());
                permissions.put(u.getUserName(), info);
                if (u.getType().equals("admin"))
                    admins.put(user);
                else
                    workers.put(user);
            }
            output.put("admins", admins);
            output.put("workers", workers);
            output.put("permissions", permissions);
            out.print(output);
        } catch (Exception e) {
            MetaDbHelper.logEvent(e);
        }
        out.flush();
    }

}