org.testng.xml.XMLParser Maven / Gradle / Ivy
package org.testng.xml;
import java.io.IOException;
import java.io.InputStream;
import javax.xml.parsers.FactoryConfigurationError;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import org.testng.TestNGException;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
abstract public class XMLParser implements IFileParser {
private final static SAXParser m_saxParser;
static {
SAXParserFactory spf = loadSAXParserFactory();
if (supportsValidation(spf)) {
spf.setNamespaceAware(true);
spf.setValidating(true);
}
SAXParser parser = null;
try {
parser = spf.newSAXParser();
} catch (ParserConfigurationException | SAXException e) {
e.printStackTrace();
}
m_saxParser = parser;
}
public void parse(InputStream is, DefaultHandler dh) throws SAXException, IOException {
synchronized (m_saxParser) {
m_saxParser.parse(is, dh);
}
}
/**
* Tries to load a SAXParserFactory
via SAXParserFactory.newInstance()
.
*
* @return a SAXParserFactory
implementation
* @throws TestNGException thrown if no SAXParserFactory
can be loaded
*/
private static SAXParserFactory loadSAXParserFactory() {
try {
return SAXParserFactory.newInstance();
} catch (FactoryConfigurationError fcerr) {
throw new TestNGException("Cannot initialize a SAXParserFactory. Root cause: " + fcerr.getMessage(), fcerr);
}
}
/**
* Tests if the current SAXParserFactory
supports DTD validation.
*/
private static boolean supportsValidation(SAXParserFactory spf) {
try {
spf.getFeature("http://xml.org/sax/features/validation");
return true;
}
catch(Exception ex) {
return false;
}
}
// private static void ppp(String s) {
// System.out.println("[Parser] " + s);
// }
// /**
// *
// * @param argv ignored
// * @throws FileNotFoundException if the
// * @throws ParserConfigurationException
// * @throws SAXException
// * @throws IOException
// * @since 1.0
// */
// public static void main(String[] argv)
// throws FileNotFoundException, ParserConfigurationException, SAXException, IOException
// {
// XmlSuite l =
// new Parser("c:/eclipse-workspace/testng/test/testng.xml").parse();
//
// System.out.println(l);
// } @Override
}