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import java.io.File;
import java.io.IOException;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
public class TrySAX extends DefaultHandler {
public static void main(String args[]) {
if (args.length == 0) {
System.out.println("No file to process. Usage is:" + "\njava TrySAX <filename>");
return;
}
File xmlFile = new File(args[0]);
handler = new TrySAX();
handler.process(xmlFile);
}
private void process(File file) {
SAXParserFactory spf = SAXParserFactory.newInstance();
spf.setNamespaceAware(true);
spf.setValidating(true);
System.out.println("Parser will " + (spf.isNamespaceAware() ? "" : "not ")
+ "be namespace aware");
System.out.println("Parser will " + (spf.isValidating() ? "" : "not ") + "validate XML");
try {
parser = spf.newSAXParser();
System.out.println("Parser object is: " + parser);
} catch (SAXException e) {
e.printStackTrace(System.err);
System.exit(1);
} catch (ParserConfigurationException e) {
e.printStackTrace(System.err);
System.exit(1);
}
System.out.println("\nStarting parsing of " + file + "\n");
try {
parser.parse(file, this);
} catch (IOException e) {
e.printStackTrace(System.err);
} catch (SAXException e) {
e.printStackTrace(System.err);
}
}
public void startDocument() {
System.out.println("Start document: ");
}
public void endDocument() {
System.out.println("End document: ");
}
public void startElement(String uri, String localName, String qname, Attributes attr) {
System.out.println("Start element: local name: " + localName + " qname: " + qname + " uri: "
+ uri);
}
public void endElement(String uri, String localName, String qname) {
System.out.println("End element: local name: " + localName + " qname: " + qname + " uri: "
+ uri);
}
public void characters(char[] ch, int start, int length) {
System.out.println("Characters: " + new String(ch, start, length));
}
public void ignorableWhitespace(char[] ch, int start, int length) {
System.out.println("Ignorable whitespace: " + new String(ch, start, length));
}
private static TrySAX handler = null;
private SAXParser parser = null;
}
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