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/*
Parser object is: com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl@c9ba38
Start document:
Start element: local name: PHONEBOOK qname: PHONEBOOK uri:
Characters:
Start element: local name: PERSON qname: PERSON uri:
Characters:
Start element: local name: NAME qname: NAME uri:
Attributes:
Name : firstName
Type : CDATA
Value: Joe
Name : lastName
Type : CDATA
Value: Yin
Characters: Joe
Characters: Yin
End element: local name: NAME qname: NAME uri:
Characters:
Start element: local name: EMAIL qname: EMAIL uri:
Characters: joe@yourserver.com
End element: local name: EMAIL qname: EMAIL uri:
Characters:
Start element: local name: TELEPHONE qname: TELEPHONE uri:
Characters: 202-999-9999
End element: local name: TELEPHONE qname: TELEPHONE uri:
Characters:
Start element: local name: WEB qname: WEB uri:
Characters: www.java2java.com
End element: local name: WEB qname: WEB uri:
Characters:
End element: local name: PERSON qname: PERSON uri:
Characters:
End element: local name: PHONEBOOK qname: PHONEBOOK uri:
End document:
*/
import java.io.StringReader;
import javax.xml.XMLConstants;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import javax.xml.transform.sax.SAXSource;
import javax.xml.validation.SchemaFactory;
import org.xml.sax.Attributes;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import org.xml.sax.helpers.DefaultHandler;
public class MainClass {
public static void main(String args[])throws Exception {
SAXParserFactory spf = SAXParserFactory.newInstance();
SAXParser parser = null;
spf.setNamespaceAware(true);
try {
SchemaFactory sf =
SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
spf.setSchema(sf.newSchema(new SAXSource(new InputSource(new StringReader(schemaString)))));
parser = spf.newSAXParser();
}
catch(SAXException e) {
e.printStackTrace(System.err);
System.exit(1);
}
catch(ParserConfigurationException e) {
e.printStackTrace(System.err);
System.exit(1);
}
MySAXHandler handler = new MySAXHandler();
System.out.println(schemaString);
parser.parse(new InputSource(new StringReader(xmlString)), handler);
}
static String xmlString = "<?xml version=\"1.0\"?>" +
"<note>" +
"<to>rtoName</to>" +
"<from>FromName</from>" +
"<heading>Info</heading>" +
"<body>Message Body</body>" +
"</note>";
static String schemaString ="<?xml version=\"1.0\"?>" +
"<xs:schema xmlns:xs=\"http://www.w3.org/2001/XMLSchema\"" +
" targetNamespace=\"http://www.java2java.com\"" +
" xmlns=\"http://www.java2java.com\"" +
" elementFormDefault=\"qualified\">" +
"<xs:element name=\"note\">" +
"<xs:complexType>" +
"<xs:sequence>" +
"<xs:element name=\"to\" type=\"xs:string\"/>" +
"<xs:element name=\"from\" type=\"xs:string\"/>" +
"<xs:element name=\"heading\" type=\"xs:string\"/>" +
"<xs:element name=\"body\" type=\"xs:string\"/>" +
"</xs:sequence>" +
"</xs:complexType>" +
"</xs:element>" +
"</xs:schema>";
}
class MySAXHandler extends DefaultHandler {
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);
int attrCount = attr.getLength();
if(attrCount>0) {
System.out.println("Attributes:");
for(int i = 0 ; i<attrCount ; i++) {
System.out.println(" Name : " + attr.getQName(i));
System.out.println(" Type : " + attr.getType(i));
System.out.println(" Value: " + attr.getValue(i));
}
}
}
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));
}
public void startPrefixMapping(String prefix, String uri) {
System.out.println("Start \"" + prefix + "\" namespace scope. URI: " + uri);
}
public void endPrefixMapping(String prefix) {
System.out.println("End \"" + prefix + "\" namespace scope.");
}
public void warning(SAXParseException spe) {
System.out.println("Warning at line "+spe.getLineNumber());
System.out.println(spe.getMessage());
}
public void fatalError(SAXParseException spe) throws SAXException {
System.out.println("Fatal error at line "+spe.getLineNumber());
System.out.println(spe.getMessage());
throw spe;
}
}
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