/*
 * AndFHEM - Open Source Android application to control a FHEM home automation
 * server.
 *
 * Copyright (c) 2011, Matthias Klass or third-party contributors as
 * indicated by the @author tags or express copyright attribution
 * statements applied by the authors.  All third-party contributions are
 * distributed under license by Red Hat Inc.
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU GENERAL PUBLIC LICENSE, as published by the Free Software Foundation.
 *
 * 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 distribution; if not, write to:
 *   Free Software Foundation, Inc.
 *   51 Franklin Street, Fifth Floor
 *   Boston, MA  02110-1301  USA
 */

package li.klass.fhem.util;

import android.annotation.TargetApi;
import android.os.Build;
import android.util.Log;

import org.w3c.dom.Node;

import java.io.StringWriter;

import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import li.klass.fhem.AndFHEMApplication;

public class XMLUtil {
    @TargetApi(Build.VERSION_CODES.FROYO)
    public static String nodeToString(Node node) {
        if (AndFHEMApplication.getAndroidSDKLevel() <= Build.VERSION_CODES.FROYO) {
            return "Android version unsupported (" + AndFHEMApplication.getAndroidSDKLevel() + ")";
        }

        StringWriter sw = new StringWriter();
        try {
            Transformer t = TransformerFactory.newInstance().newTransformer();
            t.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
            t.setOutputProperty(OutputKeys.INDENT, "yes");
            t.transform(new DOMSource(node), new StreamResult(sw));
        } catch (TransformerException te) {
            Log.e(XMLUtil.class.getName(), "nodeToString Transformer Exception", te);
        }
        return sw.toString();
    }
}