Tomcat Port

import java.io.File;
import java.io.FileReader;
import java.io.OutputStreamWriter;
import java.net.URL;
import java.net.URLConnection;

import org.xml.sax.Attributes;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.DefaultHandler;
import org.xml.sax.helpers.XMLReaderFactory;







public class PortCheck extends DefaultHandler {

String port="NOTHING";

// String PortControl2(){
// return "";
// }


   // 重载DefaultHandler类的方法
   // 以拦截SAX事件通知。
   //
        // 关于所有有效事件，见org.xml.sax.ContentHandler
   //
   public void startDocument() throws SAXException {
    //  System.out.println( "SAX Event: START DOCUMENT" );
   }

   public void endDocument( ) throws SAXException {
    //  System.out.println( "SAX Event: END DOCUMENT" );
   }

   public void startElement( String namespaceURI,
              String localName,
              String qName,
              Attributes attr ) throws SAXException {
         System.out.println( "SAX Event: START ELEMENT[ " +
                  localName + " ]" );

      // 如果有属性，我们也一并打印出来．．．
                for ( int i = 0; i < attr.getLength(); i++ ){
                   System.out.println( "   ATTRIBUTE: " +
                  attr.getLocalName(i) +
                  " VALUE: " +
                  attr.getValue(i) );
      }
               
                if(localName.equals("Connector")&&attr.getLength()>=4){
                System.out.println("-------------------"+attr.getValue(0));
                port=attr.getValue(0);
                }

   }
     
  

   public void endElement( String namespaceURI,
              String localName,
              String qName ) throws SAXException {
   //   System.out.println( "SAX Event: END ELEMENT[ " +
    //              localName + " ]" );
   }

   public void characters( char[] ch, int start, int length )
                  throws SAXException {

   //   System.out.print( "SAX Event: CHARACTERS[ " );

      try {
         OutputStreamWriter outw = new OutputStreamWriter(System.out);
         outw.write( ch, start,length );
         outw.flush();
      } catch (Exception e) {
         e.printStackTrace();
      }

   //   System.out.println( " )" );

   }
  

  
   public static String PortCheck(String url){
   PortCheck port= new PortCheck();
   try {
         XMLReader xr = XMLReaderFactory.createXMLReader();
         xr.setContentHandler(port);
         // "E:\\apache-tomcat-6.0.29\\apache-tomcat-6.0.29\\conf\\server.xml"
         xr.parse( new InputSource(new FileReader(url)) );                 
      }catch ( Exception e )  {
         e.printStackTrace();
      }
      return port.port.toString();
     
   }
  
  
  
   public boolean TomcatServer(String port){
  
   try{
   URL url = new URL("http://localhost:"+port+"/TestingIdP/");
   URLConnection con = url.openConnection();
   java.io.BufferedReader in = new
   java.io.BufferedReader(new java.io.InputStreamReader(con.getInputStream()));
   }catch(Exception e){
   return false;
   }
   return true;
     
   }
  
  


   public static void main(String[] args){

      try {
     
   String port=PortCheck("E:\\Pangoo\\TomcatServer\\apache-tomcat-6.0.29\\conf\\server.xml");
      System.out.println("--------test------ "+port);
      }catch ( Exception e )  {
         e.printStackTrace();
      }

   }