com.sun.xml.ws.message.RootElementSniffer Maven / Gradle / Ivy
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package com.sun.xml.ws.message;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
import org.xml.sax.helpers.AttributesImpl;
/**
* Sniffs the root element name and its attributes from SAX events.
*
* @author Kohsuke Kawaguchi
*/
public final class RootElementSniffer extends DefaultHandler {
private String nsUri = "##error";
private String localName = "##error";
private Attributes atts;
private final boolean parseAttributes;
public RootElementSniffer(boolean parseAttributes) {
this.parseAttributes = parseAttributes;
}
public RootElementSniffer() {
this(true);
}
public void startElement(String uri, String localName, String qName, Attributes a) throws SAXException {
this.nsUri = uri;
this.localName = localName;
if(parseAttributes) {
if(a.getLength()==0) // often there's no attribute
this.atts = EMPTY_ATTRIBUTES;
else
this.atts = new AttributesImpl(a);
}
// no need to parse any further.
throw aSAXException;
}
public String getNsUri() {
return nsUri;
}
public String getLocalName() {
return localName;
}
public Attributes getAttributes() {
return atts;
}
private static final SAXException aSAXException = new SAXException();
private static final Attributes EMPTY_ATTRIBUTES = new AttributesImpl();
}