diff -r 471c0cda94c3 -r b890783e4043 java/alt2xml-bin/src/cz/frantovo/alt2xml/SAXTovarna.java
--- a/java/alt2xml-bin/src/cz/frantovo/alt2xml/SAXTovarna.java	Thu Jun 05 23:45:24 2014 +0200
+++ b/java/alt2xml-bin/src/cz/frantovo/alt2xml/SAXTovarna.java	Sat Jun 07 10:38:31 2014 +0200
@@ -18,6 +18,9 @@
 package cz.frantovo.alt2xml;
 
 import cz.frantovo.alt2xml.vstup.SuperReader;
+import java.util.Deque;
+import java.util.LinkedList;
+import java.util.ServiceLoader;
 import javax.xml.parsers.ParserConfigurationException;
 import javax.xml.parsers.SAXParser;
 import javax.xml.parsers.SAXParserFactory;
@@ -31,11 +34,31 @@
  *
  * @author fiki
  */
-public class SAXTovarna extends SAXParserFactory {
+public class SAXTovarna extends SAXParserFactory implements ReaderFinder {
+
+	private final Deque<Alt2XmlReaderFactory> readerFactories = new LinkedList();
+
+	public SAXTovarna() {
+		super();
+		for (Alt2XmlReaderFactory f : ServiceLoader.load(Alt2XmlReaderFactory.class)) {
+			readerFactories.add(f);
+		}
+
+	}
+
+	@Override
+	public XMLReader findReader(String systemId) throws SAXException {
+		for (Alt2XmlReaderFactory f : readerFactories) {
+			if (f.canRead(systemId)) {
+				return f.getReader();
+			}
+		}
+		throw new SAXException("Iterated over " + readerFactories.size() + " and was unable to find XMLReader for SystemId: " + systemId);
+	}
 
 	@Override
 	public SAXParser newSAXParser() throws ParserConfigurationException, SAXException {
-		return new AltSAXParser(new SuperReader());
+		return new AltSAXParser(new SuperReader(this));
 	}
 
 	@Override
@@ -87,4 +110,4 @@
 			return xmlReader.getProperty(name);
 		}
 	}
-}
\ No newline at end of file
+}