ElectronReminder/app/src/main/java/simple/SimpleXml.java

package simple;

import android.util.Xml;

import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;

import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;

public class SimpleXml
{
    public SimpleXmlNode parse(InputStream in) throws IOException, XmlPullParserException
    {
        try
        {
            XmlPullParser parser = Xml.newPullParser();
            parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, false);
            parser.setInput(in, null);
            return readFeed(parser);
        }
        finally
        {
            in.close();
        }
    }

    public SimpleXmlNode readFeed(XmlPullParser parser) throws IOException, XmlPullParserException
    {
        ArrayList<SimpleXmlNode> stack = new ArrayList<SimpleXmlNode>();
        while (parser.next() != XmlPullParser.START_TAG) {}
        while (parser.next() != XmlPullParser.END_DOCUMENT)
        {
            if (parser.getEventType() == XmlPullParser.START_TAG)
            {
                SimpleXmlNode node = new SimpleXmlNode();
                node.name = parser.getName();
                for (int i = 0; i < parser.getAttributeCount(); i++)
                {
                    String p = parser.getAttributePrefix(i);
                    if (p == null)
                        p = "";
                    node.attributes.put(p + parser.getAttributeName(i), parser.getAttributeValue(i));
                }
                if (stack.size() > 0)
                    stack.get(stack.size()-1).appendChild(node);
                stack.add(node);
            }
            else if (parser.getEventType() == XmlPullParser.END_TAG)
            {
                if (stack.size() > 1)
                    stack.remove(stack.size() - 1);
                else
                    return stack.get(0);
            }
        }
        return null;
    }
}