com.twinsoft.convertigo.engine.admin.services.roles.Export.java Source code

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Here is the source code for com.twinsoft.convertigo.engine.admin.services.roles.Export.java

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/*
 * Copyright (c) 2001-2014 Convertigo SA.
 *
 * 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 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.twinsoft.convertigo.engine.admin.services.roles;

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

import org.apache.commons.io.IOUtils;
import org.codehaus.jettison.json.JSONArray;
import org.codehaus.jettison.json.JSONObject;

import com.twinsoft.convertigo.engine.AuthenticatedSessionManager.Role;
import com.twinsoft.convertigo.engine.Engine;
import com.twinsoft.convertigo.engine.admin.services.DownloadService;
import com.twinsoft.convertigo.engine.admin.services.at.ServiceDefinition;
import com.twinsoft.convertigo.engine.enums.HeaderName;
import com.twinsoft.convertigo.engine.enums.MimeType;

@ServiceDefinition(name = "Export", roles = {
        Role.WEB_ADMIN }, parameters = {}, returnValue = "return the users.properties file")

public class Export extends DownloadService {

    @Override
    protected void writeResponseResult(HttpServletRequest request, HttpServletResponse response) throws Exception {
        //We recover selected users 
        String users = "{ users : [" + request.getParameter("users") + "] }";

        if (users != null && !users.equals("")) {
            //Parse string requested parameter to JSON
            JSONObject jsonObj = new JSONObject(users);
            JSONArray usernames = jsonObj.getJSONArray("users");
            JSONObject export = Engine.authenticatedSessionManager.exportUsers(usernames);

            HeaderName.ContentDisposition.setHeader(response, "attachment; filename=\"user_roles.json\"");
            response.setContentType(MimeType.Plain.value());

            IOUtils.write(export.toString(2), response.getOutputStream(), "UTF-8");

            String message = "The users file has been exported.";
            Engine.logAdmin.info(message);
        } else {
            String message = "Error when parsing the requested parameter!";
            Engine.logAdmin.error(message);
            throw new Exception("Error when parsing the requested parameter!");
        }
    }
}