package org.objectweb.celtix.tools.utils;
import java.net.URL;
import java.util.logging.Logger;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.xml.sax.InputSource;
import org.objectweb.celtix.common.i18n.Message;
import org.objectweb.celtix.common.logging.LogUtils;
import org.objectweb.celtix.tools.common.ToolException;
public final class StAXUtil {
private static final Logger LOG = LogUtils.getL7dLogger(StAXUtil.class);
private static final XMLInputFactory XML_INPUT_FACTORY;
static {
XML_INPUT_FACTORY = XMLInputFactory.newInstance();
XML_INPUT_FACTORY.setProperty(XMLInputFactory.IS_NAMESPACE_AWARE, Boolean.TRUE);
}
private StAXUtil() {
}
public static void toStartTag(XMLStreamReader r) throws XMLStreamException {
while (!r.isStartElement() && r.hasNext()) {
r.next();
}
}
public static XMLStreamReader createFreshXMLStreamReader(InputSource source) {
try {
if (source.getCharacterStream() != null) {
return XML_INPUT_FACTORY.createXMLStreamReader(source.getSystemId(),
source.getCharacterStream());
}
if (source.getByteStream() != null) {
return XML_INPUT_FACTORY.createXMLStreamReader(source.getSystemId(),
source.getByteStream());
}
return XML_INPUT_FACTORY.createXMLStreamReader(source.getSystemId(),
new URL(source.getSystemId()).openStream());
} catch (Exception e) {
Message msg = new Message("FAIL_TO_CREATE_STAX", LOG);
throw new ToolException(msg, e);
}
}
}