org.thiesen.jiffs.tools.OPMLImporter.java Source code

Introduction

Here is the source code for org.thiesen.jiffs.tools.OPMLImporter.java

Source

/*
 * (c) Copyright 2010 Marcus Thiesen (marcus@thiesen.org)
 *
 *  This file is part of jiffs.
 *
 *  jiffs 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.
 *
 *  jiffs 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 jiffs.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

package org.thiesen.jiffs.tools;

import java.io.File;
import java.net.URI;
import java.util.List;

import org.jdom.Document;
import org.jdom.Element;
import org.jdom.input.SAXBuilder;
import org.jdom.xpath.XPath;
import org.joda.time.DateTime;
import org.thiesen.jiffs.data.db.dao.SubscriptionDAO;
import org.thiesen.jiffs.data.db.dbo.SubscriptionDBO;
import org.thiesen.jiffs.data.enums.SubscriptionState;

import com.google.common.base.Function;
import com.google.common.collect.Lists;

public class OPMLImporter {

    private static final Function<Element, SubscriptionDBO> TO_DBO_FUNCTION = new Function<Element, SubscriptionDBO>() {

        @Override
        public SubscriptionDBO apply(Element outlineElement) {
            final SubscriptionDBO retval = new SubscriptionDBO();

            retval.setNextCheck(new DateTime());
            retval.setState(SubscriptionState.SUBSCRIBED);
            retval.setTitle(outlineElement.getAttributeValue("title"));
            retval.setXmlUrl(URI.create(outlineElement.getAttributeValue("xmlUrl")));
            retval.setHtmlUrl(URI.create(outlineElement.getAttributeValue("htmlUrl")));

            return retval;
        }

    };

    @SuppressWarnings("unchecked")
    public static void main(final String... args) throws Exception {
        final SAXBuilder builder = new SAXBuilder("org.apache.xerces.parsers.SAXParser", false);
        builder.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", true);

        final Document document = builder.build(new File(args[0]));

        XPath path = XPath.newInstance("//outline[@xmlUrl]");

        final List<Element> nodes = path.selectNodes(document);

        System.out.println("Found " + nodes.size() + " Feeds to import!");

        final SubscriptionDAO subscriptionDAO = new SubscriptionDAO();

        subscriptionDAO.insert(Lists.transform(nodes, TO_DBO_FUNCTION));

        System.out.println("Done");
    }

}