SurveyDao.java

/*
 *  Copyright (C) 2010-2017 Stichting Akvo (Akvo Foundation)
 *
 *  This file is part of Akvo Flow.
 *
 *  Akvo Flow 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.
 *
 *  Akvo Flow 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 Akvo Flow.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.akvo.flow.data.dao;

import android.text.TextUtils;

import org.akvo.flow.domain.Survey;
import org.akvo.flow.serialization.form.SaxSurveyParser;

import java.io.FileNotFoundException;
import java.io.InputStream;

/**
 * utility to read survey xml files from wherever they may reside
 * 
 * @author Christopher Fagiani
 */
public class SurveyDao {

    /**
     * loads a survey xml depending on the survey location type in the survey
     * object passed in. It will look at either the sd card or the resource
     * bundle within the apk
     */
    public static Survey loadSurvey(Survey survey, InputStream in)
            throws FileNotFoundException {
        if (survey != null) {
            String tempName = survey.getName();
            String id = survey.getId();
            SaxSurveyParser parser = new SaxSurveyParser();
            survey = parser.parse(in);

            if (survey != null) {
                survey.setId(id);
                if (TextUtils.isEmpty(survey.getName())) {
                    survey.setName(tempName);
                }
            }
        }
        return survey;
    }
}