org.unitime.timetable.dataexchange.HQLImport.java Source code

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Here is the source code for org.unitime.timetable.dataexchange.HQLImport.java

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/*
 * Licensed to The Apereo Foundation under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for
 * additional information regarding copyright ownership.
 *
 * The Apereo Foundation licenses this file to you 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.
 * 
*/
package org.unitime.timetable.dataexchange;

import java.util.Iterator;

import org.dom4j.Element;
import org.unitime.timetable.model.SavedHQL;

/**
 * @author Tomas Muller
 */
public class HQLImport extends BaseImport {

    @Override
    public void loadXml(Element root) throws Exception {
        try {
            beginTransaction();
            if (root.getName().equalsIgnoreCase("report")) {
                importReport(root);
            } else if (root.getName().equalsIgnoreCase("reports")) {
                for (Iterator i = root.elementIterator("report"); i.hasNext();)
                    importReport((Element) i.next());
            } else {
                throw new Exception("Given XML file is not a HQL report file.");
            }
            commitTransaction();
        } catch (Exception e) {
            fatal("Exception: " + e.getMessage(), e);
            rollbackTransaction();
            throw e;
        }
    }

    protected void importReport(Element reportEl) {
        String name = reportEl.attributeValue("name");
        if (name == null) {
            error("Attribute name is not provided.");
            return;
        }
        SavedHQL report = (SavedHQL) getHibSession().createQuery("from SavedHQL where name = :name")
                .setString("name", name).setMaxResults(1).uniqueResult();
        if (report == null) {
            report = new SavedHQL();
            report.setName(name);
        }
        report.setType(0);
        Element flags = reportEl.element("flags");
        for (Iterator i = (flags == null ? reportEl : flags).elementIterator("flag"); i.hasNext();) {
            Element e = (Element) i.next();
            SavedHQL.Flag flag = SavedHQL.Flag.valueOf(e.getTextTrim());
            if (flag != null)
                report.set(flag);
        }
        Element queryEl = reportEl.element("query");
        if (queryEl != null)
            report.setQuery(queryEl.getText());
        else
            report.setQuery(null);
        Element descriptionEl = reportEl.element("description");
        if (descriptionEl != null)
            report.setDescription(descriptionEl.getText());
        else
            report.setDescription(null);
        getHibSession().saveOrUpdate(report);
    }

}