Subversion Repositories hibernate-spatial

/*
 * $Id: TestDataReader.java 225 2010-06-25 21:59:05Z maesenka $
 *
 * This file is part of Hibernate Spatial, an extension to the
 * hibernate ORM solution for geographic data.
 *
 * Copyright © 2007-2010 Geovise BVBA
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * For more information, visit: http://www.hibernatespatial.org/
 */

package org.hibernatespatial.test;

import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;

import java.io.InputStream;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

public class TestDataReader {

    public List<TestDataElement> read(String fileName) {
        if (fileName == null) throw new RuntimeException("Null test data file specified.");
        List<TestDataElement> testDataElements = new ArrayList<TestDataElement>();
        SAXReader reader = new SAXReader();
        try {
            Document document = reader.read(getInputStream(fileName));
            addDataElements(document, testDataElements);
        } catch (DocumentException e) {
            throw new RuntimeException(e);
        }
        return testDataElements;
    }

    protected void addDataElements(Document document, List<TestDataElement> testDataElements) {
        Element root = document.getRootElement();
        for (Iterator it = root.elementIterator(); it.hasNext();) {
            Element element = (Element) it.next();
            addDataElement(element, testDataElements);
        }
    }

    protected void addDataElement(Element element, List<TestDataElement> testDataElements) {
        int id = Integer.valueOf(element.selectSingleNode("id").getText());
        String type = element.selectSingleNode("type").getText();
        String wkt = element.selectSingleNode("wkt").getText();
        int srid = Integer.valueOf(element.selectSingleNode("srid").getText());
        TestDataElement testDataElement = new TestDataElement(id, type, wkt, srid);
        testDataElements.add(testDataElement);
    }

    protected InputStream getInputStream(String fileName) {
        InputStream is = Thread.currentThread().getContextClassLoader().getResourceAsStream(fileName);
        if (is == null) throw new RuntimeException(String.format("File %s not found on classpath.", fileName));
        return is;
    }
}