package gov.nist.applet.phone.ua.pidf.parser;import java.io.IOException;import java.io.StringReader;import org.xml.sax.Attributes;import org.xml.sax.InputSource;import org.xml.sax.SAXException;import org.xml.sax.SAXParseException;import org.xml.sax.XMLReader;import org.xml.sax.helpers.DefaultHandler;import javax.xml.parsers.SAXParserFactory;import javax.xml.parsers.SAXParser;/** parser for a XML file */public class XMLpidfParser extends DefaultHandler {        private PresenceTag presenceTag;    private PresentityTag presentityTag;    private AtomTag atomTag;    private AddressTag addressTag;    private StatusTag statusTag;    private MSNSubStatusTag msnSubStatusTag;        private XMLReader xmlReader;        private static long id=1000;        /** start the parsing     * @param file to parse     * @return Vector containing the test cases     */    public XMLpidfParser(String fileLocation) {         try {           	SAXParserFactory saxParserFactory=SAXParserFactory.newInstance();			SAXParser saxParser=saxParserFactory.newSAXParser();            xmlReader = saxParser.getXMLReader();			xmlReader.setContentHandler(this);			xmlReader.setFeature            ("http://xml.org/sax/features/validation",false);            // parse the xml specification for the event tags.			xmlReader.parse(fileLocation);                   } catch (SAXParseException spe) {            spe.printStackTrace();        } catch (SAXException sxe) {            sxe.printStackTrace();        } catch (IOException ioe) {            // I/O error            ioe.printStackTrace();        } catch (Exception pce) {            // Parser with specified options can't be built            pce.printStackTrace();        }    }    /** start the parsing     * @param file to parse     * @return Vector containing the test cases     */    public XMLpidfParser() {        try {			SAXParserFactory saxParserFactory=SAXParserFactory.newInstance();			SAXParser saxParser=saxParserFactory.newSAXParser();			xmlReader = saxParser.getXMLReader();			xmlReader .setContentHandler(this);			//xmlReader .setFeature			//("http://xml.org/sax/features/validation",false);			// parse the xml specification for the event tags.	           } catch (Exception e) {            e.printStackTrace();        }           }        public void parsePidfString(String body) {        try {            StringReader stringReader=new StringReader(body);            InputSource inputSource=new InputSource(stringReader);            inputSource.setSystemId("file://");            xmlReader.parse(inputSource);        } catch (Exception e) {            e.printStackTrace();        }    }        public PresenceTag getPresenceTag() {        return presenceTag;    }        //===========================================================    // SAX DocumentHandler methods    //===========================================================    public void startDocument() throws SAXException {        try {             System.out.println("Parsing XML pidf string");        }         catch (Exception e) {            throw new SAXException("XMLpidfParser error", e);        }    }    public void endDocument() throws SAXException {        try {			System.out.println("XML pidf string parsed successfully!!!");        }         catch (Exception e) {            throw new SAXException("XMLpidfParser error", e);        }    }    public void startElement(String namespaceURI,                             String lName, // local name                             String qName, // qualified name                             Attributes attrs)                             throws SAXException    {        String element=qName;        if (element.compareToIgnoreCase("presence") ==0 ) {            presenceTag=new PresenceTag();        }        if (element.compareToIgnoreCase("presentity") ==0 ) {            presentityTag=new PresentityTag();            String uri= attrs.getValue("uri");            if (uri!=null) {                uri=uri.trim();                presentityTag.setURI(uri);            }            else {                System.out.println("ERROR, XMLpidfParser, the presentity uri is null");            }        }        if (element.compareToIgnoreCase("atom") ==0 ) {            atomTag=new AtomTag();            String id=attrs.getValue("id");            if (id!=null) {                id=id.trim();                atomTag.setId(id);            }            else {                System.out.println("ERROR, XMLpidfParser, the atom id is null");            }        }        if (element.compareToIgnoreCase("address") ==0 ) {            addressTag=new AddressTag();            String uri=attrs.getValue("uri");            if (uri!=null) {                uri=uri.trim();                addressTag.setURI(uri);            }            else {                System.out.println("ERROR, XMLpidfParser, the address uri is null");            }                        String priority=attrs.getValue("priority");            if (priority!=null) {                try {                    addressTag.setPriority(Float.parseFloat(priority.trim()));                }                catch(Exception e) {                    e.printStackTrace();                }            }            else {                System.out.println("DEBUG, XMLpidfParser, the priority is null");            }        }        if (element.compareToIgnoreCase("status") ==0 ) {            statusTag=new StatusTag();            String status=attrs.getValue("status");            if (status!=null) {                status=status.trim();                statusTag.setStatus(status);            }            else {                System.out.println("ERROR, XMLpidfParser, the status status is null");            }                   }        if (element.compareToIgnoreCase("msnsubstatus") ==0 ) {            msnSubStatusTag=new MSNSubStatusTag();            String msnSubStatus=attrs.getValue("substatus");            if (msnSubStatus!=null) {                msnSubStatus=msnSubStatus.trim();                msnSubStatusTag.setMSNSubStatus(msnSubStatus);            }            else {                System.out.println("ERROR, XMLpidfParser, the msnsubstatus substatus is null");            }                    }    }        public void endElement(String namespaceURI,    String sName, // simple name    String qName  // qualified name    )    throws SAXException    {        String element=qName;        if (element.compareToIgnoreCase("presence") ==0 ) {        }        if (element.compareToIgnoreCase("presentity") ==0 ) {           presenceTag.setPresentityTag(presentityTag);        }        if (element.compareToIgnoreCase("atom") ==0 ) {           presenceTag.addAtomTag(atomTag);        }        if (element.compareToIgnoreCase("address") ==0 ) {           atomTag.setAddressTag(addressTag);        }        if (element.compareToIgnoreCase("status") ==0 ) {            addressTag.setStatusTag(statusTag);        }        if (element.compareToIgnoreCase("msnsubstatus") ==0 ) {            addressTag.setMSNSubStatusTag(msnSubStatusTag);        }    }    public void characters(char buf[], int offset, int len)    throws SAXException    {        String str = new String(buf, offset, len);    }    public static String createXMLBody(String status,String subStatus,String subscriberName,    String contactAddress) {        PresenceTag presenceTag=new PresenceTag();        PresentityTag presentityTag=new PresentityTag();        presentityTag.setURI(subscriberName);        presenceTag.setPresentityTag(presentityTag);        AtomTag atomTag=new AtomTag();        StatusTag statusTag=new StatusTag();        statusTag.setStatus(status);        MSNSubStatusTag msnSubStatusTag=new MSNSubStatusTag();        msnSubStatusTag.setMSNSubStatus(subStatus);        AddressTag addressTag=new AddressTag();        addressTag.setStatusTag(statusTag);        addressTag.setMSNSubStatusTag(msnSubStatusTag);        addressTag.setURI("sip:"+contactAddress);        atomTag.setAddressTag(addressTag);        atomTag.setId("nist-sipId"+id);        id++;        presenceTag.addAtomTag(atomTag);                String result=presenceTag.toString();                return result;    }    }