Urgent Help required! - Storing the XML as String instead as a file

Hi,
I need urgent help on this.
I have an XML file. I have used org.w3c.dom to build dom and manipulate the XML file.
I have updated the values for some of the nodes and I have deleted some of the unwanted nodes.
I am able to save the output of the DOM as another XML file using
either transform class or XMLSerializer with OutputFormatter class.
But my requirement is to save the output of the DOM into a String instead of a file.
When I save it in String, I need to have the following XML decalration and DOCTYPE declration also with it.
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE Test SYSTEM "Test.dtd">
Can anyone pls help me in this??
Thanks in Advance. Expecting some inpputs pls....!
Regards,
Gayathri.

hi,
i think this is what u want
    public static String getXmlString(Document d) {
      StringWriter strResponse = null;
      try {
         OutputFormat format = new OutputFormat(d);
         strResponse = new StringWriter();
         XMLSerializer serial = new XMLSerializer( strResponse, format );
         serial.asDOMSerializer();
         serial.serialize(d.getDocumentElement());
      catch (Exception e) {
        System.out.println(e.toString());
      return strResponse.toString();
}HTH
vasanth-ct

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Hi Anupam,
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Hi All
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Some help required please...
Edited by: amitsinhaengg on Jul 22, 2009 2:03 AM
Edited by: amitsinhaengg on Jul 22, 2009 2:06 AM

LC_CTYPE
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Urgent Help Required for Connect Four Game

Hi all,
I am a student and I have a project due 20th of this month, I mean May 20, 2007 after 8 days. The project is about creating a Connect Four Game. I have found some code examples on the internet which helped me little bit. But there are lot of problems I am facing developing the whole game. I have drawn the Board and the two players can play. The players numbers can fill the board, but I have problem implementing the winner for the game. I need to implement the hasWon() method for Horizontal win, Vertical win and Diagonal win. I also found some code examples on the net but I was unable to make it working. I have 5 classes and one interface which I m implementing. The main problem is how to implement the hasWon() method in the PlayGame class below with Horizontal, vertical and diagonal moves.
Sorry there is so much code.
This the interface I must implement, but now I am only implementing the int move() of this interface. I will implement the rest later after solving the winner problem with your help.
Interface code..............
interface Player {
void init (Boolean color);
String name ();
int move ();
void inform (int i);
Player1 class......................
import java.util.*;
import java.io.*;
import javax.swing.*;
public class Player1 implements Player
public Player1()
public int move()
Scanner scan = new Scanner(System.in);
// BufferedReader stdin = new BufferedReader (new InputStreamReader(System.in));
int player1;
System.out.println ("What is your Number, player 1?");
player1 = scan.nextInt();
System.out.println ("Hey number"+player1+" are you prepared to CONNECT FOUR");
System.out.println();
return player1;
//Player.move();
//return player1;
}//end move method
public void init (Boolean color)
public void inform (int i)
public String name()
return "Koonda";
}//end player1 class
Player2 class...........................
import java.util.*;
import java.io.*;
import javax.swing.*;
public class Player2 implements Player
public int move()
//int cup0,cup1,cup2,cup3,cup4,cup5,cup6;
// cup0=5;cup1=5;cup2=5;cup3=5;cup4=5;cup5=5;cup6=5;
//int num1, num2;
Scanner scan = new Scanner(System.in);
// BufferedReader stdin = new BufferedReader (new InputStreamReader(System.in));
int player2;
System.out.println ("What is your Number, player 2?");
player2 = scan.nextInt();
System.out.println ("Hey "+player2+" are you prepared to CONNECT FOUR");
System.out.println();
//return player1;
return player2;
}//end move method
public void init (Boolean color)
public void inform (int i)
public String name()
return "malook";
}//end player1 class
PlayGame class which contains all the functionality.........................................................
import java.util.*;
import java.io.*;
import javax.swing.*;
public class PlayGame
//Player player1;
//Player player2;
int [][]ConnectFourArray;
boolean status;
int winner;
 int player1;
 int player2;
 public PlayGame()
 //this.player1 = player1;
 //this.player2 = player2;
 public void StartGame()
 try{
 // int X = 0, Y = 0;
 //int value;
 int cup0,cup1,cup2,cup3,cup4,cup5,cup6;
cup0=5;cup1=5;cup2=5;cup3=5;cup4=5;cup5=5;cup6=5;
 int[][] ConnectFourArray = new int[6][7];
 int num1, num2;
 for(int limit=21;limit!=0;limit--)
BufferedReader selecter = new BufferedReader (new InputStreamReader(System.in));
String column1;
System.out.println();
for ( int row=0; row < ConnectFourArray.length; row++ ){
System.out.print("Row " + row + ": ");
for ( int col=0; col < ConnectFourArray[row].length; col++ )
System.out.print( ConnectFourArray[row][col] + " ");
System.out.println();
System.out.println();
System.out.println ("Please Select a column of 0 through 6 ");
column1 = selecter.readLine();
num1= Integer.parseInt(column1);
System.out.println();
if (num1==0){
ConnectFourArray[cup0][0]=1;
cup0=cup0-1;
else if (num1==1){
ConnectFourArray[cup1][1]=1;
cup1=cup1-1;
else if (num1==2){
ConnectFourArray[cup2][2]=1;
cup2=cup2-1;
else if (num1==3){
ConnectFourArray[cup3][3]=1;
cup3=cup3-1;
else if (num1==4){
ConnectFourArray[cup4][4]=1;
cup4=cup4-1;
else if (num1==5){
ConnectFourArray[cup5][5]=1;
cup5=cup5-1;
else if (num1==6){
ConnectFourArray[cup6][6]=1;
cup6=cup6-1;
System.out.println();
BufferedReader selecter2 = new BufferedReader (new InputStreamReader(System.in));
String column2;
System.out.println();
for ( int row=0; row < ConnectFourArray.length; row++ ){
System.out.print("Row " + row + ": ");
for ( int col=0; col < ConnectFourArray[row].length; col++ )
System.out.print( ConnectFourArray[row][col] + " ");
System.out.println();
System.out.println();
System.out.println ("Please Select a column of 0 through 6 ");
column1 = selecter.readLine();
num1= Integer.parseInt(column1);
System.out.println();
if (num1==0){
ConnectFourArray[cup0][0]=2;
cup0=cup0-1;
else if (num1==1){
ConnectFourArray[cup1][1]=2;
cup1=cup1-1;
else if (num1==2){
ConnectFourArray[cup2][2]=2;
cup2=cup2-1;
else if (num1==3){
ConnectFourArray[cup3][3]=2;
cup3=cup3-1;
else if (num1==4){
ConnectFourArray[cup4][4]=2;
cup4=cup4-1;
else if (num1==5){
ConnectFourArray[cup5][5]=2;
cup5=cup5-1;
else if (num1==6){
ConnectFourArray[cup6][6]=2;
cup6=cup6-1;
System.out.println();
System.out.println();
catch (Exception E){
System.out.println("Error with input");
System.out.println("Would you like to play again");
try{
String value;
BufferedReader reader = new BufferedReader (new InputStreamReader(System.in));
// Scanner scan = new Scanner(System.in);
System.out.println("Enter yes to play or no to quit");
// value = scan.nextLine();
// String value2;
value = reader.readLine();
//value2 = reader.readLine();
if (value.equals("yes"))
System.out.println("Start again");
StartGame(); // calling the StartGame method to play a game once more
else if (value.equals("no"))
System.out.println("No more games to play");
// System.exit(0);
else
System.exit(0);
System.out.println();
catch (Exception e){
System.out.println("Error with input");
finally
System.out.println(" playing done");
//StartGame();
//check for horizontal win
public int hasWon()
int status = 0;
for (int row=0; row<6; row++)
for (int col=0; col<4; col++)
if (ConnectFourArray[col][row] != 0 &&
ConnectFourArray[col][row] == ConnectFourArray[col+1][row] &&
ConnectFourArray[col][row] == ConnectFourArray[col+2][row] &&
ConnectFourArray[col][row] == ConnectFourArray[col+3][row])
//status = true;//int winner;
if(status == player1)
System.out.println("Player 1 is the winner");
else if(status == player2)
System.out.println("Player 2 is the winner" );
}//end inner for loop
}// end outer for loop
} // end method Winner
return status;
}//end class
ClassConnectFour which designs the board........................
import java.util.*;
import java.io.*;
import javax.swing.*;
public class ClassConnectFour
 //Player player1;
 //Player player2;
 public ClassConnectFour()
 //this.player1 = player1;
public void DrawBoard()
int[][] ConnectFourArray = new int[6][7] ;
for ( int row=0; row < ConnectFourArray.length; row++ ){
System.out.print("Row " + row + ": ");
for ( int col=0; col < ConnectFourArray[row].length; col++ )
System.out.print( ConnectFourArray[row][col] + " ");
System.out.println();
System.out.println();
}//end class
TestConnetFour class which uses most of the above class..................
import java.util.*;
import java.io.*;
import javax.swing.*;
public class TestConnectFour
public static void main(String[] args)
ClassConnectFour cf = new ClassConnectFour();
cf.DrawBoard();
Player1 player1 = new Player1();
Player2 player2 = new Player2();
player1.move();
player2.move();
System.out.println("Number 1 belongs to player " + player1.name());
System.out.println("Number 2 belongs to player " + player2.name());
PlayGame pg = new PlayGame();
pg.StartGame();
pg.hasWon();
//pg.Play();
//System.out.println(player.name());
//System.out.println(player2.name());
}// end main
}//end class
I am sorry for all this junk code but I only understand it this way. Your urgent help is required. Looking forward to your reply.
Thanks in advance.
Koonda
//

Hi,
Thanks for your help but I really don't understand the table lookup algorithm. Could you please send me some code to implement that.
I will send you the formatted code as well
Thanks for your help.
looking forward to your reply.
Koonda
Hi all,
I am a student and I have a project due 20th of this month, I mean May 20, 2007 after 8 days. The project is about creating a Connect Four Game. I have found some code examples on the internet which helped me little bit. But there are lot of problems I am facing developing the whole game. I have drawn the Board and the two players can play. The players numbers can fill the board, but I have problem implementing the winner for the game. I need to implement the hasWon() method for Horizontal win, Vertical win and Diagonal win. I also found some code examples on the net but I was unable to make it working. I have 5 classes and one interface which I m implementing. The main problem is how to implement the hasWon() method in the PlayGame class below with Horizontal, vertical and diagonal moves.
Sorry there is so much code.
This the interface I must implement, but now I am only implementing the int move() of this interface. I will implement the rest later after solving the winner problem with your help.
Interface code..............
interface Player {
void init (Boolean color);
String name ();
int move ();
void inform (int i);
Player1 class......................
import java.util.*;
import java.io.*;
import javax.swing.*;
public class Player1 implements Player
public Player1()
public int move()
Scanner scan = new Scanner(System.in);
// BufferedReader stdin = new BufferedReader (new InputStreamReader(System.in));
int player1;
System.out.println ("What is your Number, player 1?");
player1 = scan.nextInt();
System.out.println ("Hey number"+player1+" are you prepared to CONNECT FOUR");
System.out.println();
return player1;
//Player.move();
//return player1;
}//end move method
public void init (Boolean color)
public void inform (int i)
public String name()
return "Koonda";
}//end player1 class
Player2 class...........................
import java.util.*;
import java.io.*;
import javax.swing.*;
public class Player2 implements Player
public int move()
//int cup0,cup1,cup2,cup3,cup4,cup5,cup6;
// cup0=5;cup1=5;cup2=5;cup3=5;cup4=5;cup5=5;cup6=5;
//int num1, num2;
Scanner scan = new Scanner(System.in);
// BufferedReader stdin = new BufferedReader (new InputStreamReader(System.in));
int player2;
System.out.println ("What is your Number, player 2?");
player2 = scan.nextInt();
System.out.println ("Hey "+player2+" are you prepared to CONNECT FOUR");
System.out.println();
//return player1;
return player2;
}//end move method
public void init (Boolean color)
public void inform (int i)
public String name()
return "malook";
}//end player1 class
PlayGame class which contains all the functionality.........................................................
import java.util.*;
import java.io.*;
import javax.swing.*;
public class PlayGame
//Player player1;
//Player player2;
int [][]ConnectFourArray;
boolean status;
int winner;
int player1;
int player2;
public PlayGame()
//this.player1 = player1;
//this.player2 = player2;
public void StartGame()
try{
// int X = 0, Y = 0;
//int value;
int cup0,cup1,cup2,cup3,cup4,cup5,cup6;
cup0=5;cup1=5;cup2=5;cup3=5;cup4=5;cup5=5;cup6=5;
int[][] ConnectFourArray = new int[6][7];
int num1, num2;
for(int limit=21;limit!=0;limit--)
BufferedReader selecter = new BufferedReader (new InputStreamReader(System.in));
String column1;
System.out.println();
for ( int row=0; row < ConnectFourArray.length; row++ ){
System.out.print("Row " + row + ": ");
for ( int col=0; col < ConnectFourArray[row].length; col++ )
System.out.print( ConnectFourArray[row][col] + " ");
System.out.println();
System.out.println();
System.out.println ("Please Select a column of 0 through 6 ");
column1 = selecter.readLine();
num1= Integer.parseInt(column1);
System.out.println();
if (num1==0){
ConnectFourArray[cup0][0]=1;
cup0=cup0-1;
else if (num1==1){
ConnectFourArray[cup1][1]=1;
cup1=cup1-1;
else if (num1==2){
ConnectFourArray[cup2][2]=1;
cup2=cup2-1;
else if (num1==3){
ConnectFourArray[cup3][3]=1;
cup3=cup3-1;
else if (num1==4){
ConnectFourArray[cup4][4]=1;
cup4=cup4-1;
else if (num1==5){
ConnectFourArray[cup5][5]=1;
cup5=cup5-1;
else if (num1==6){
ConnectFourArray[cup6][6]=1;
cup6=cup6-1;
System.out.println();
BufferedReader selecter2 = new BufferedReader (new InputStreamReader(System.in));
String column2;
System.out.println();
for ( int row=0; row < ConnectFourArray.length; row++ ){
System.out.print("Row " + row + ": ");
for ( int col=0; col < ConnectFourArray[row].length; col++ )
System.out.print( ConnectFourArray[row][col] + " ");
System.out.println();
System.out.println();
System.out.println ("Please Select a column of 0 through 6 ");
column1 = selecter.readLine();
num1= Integer.parseInt(column1);
System.out.println();
if (num1==0){
ConnectFourArray[cup0][0]=2;
cup0=cup0-1;
else if (num1==1){
ConnectFourArray[cup1][1]=2;
cup1=cup1-1;
else if (num1==2){
ConnectFourArray[cup2][2]=2;
cup2=cup2-1;
else if (num1==3){
ConnectFourArray[cup3][3]=2;
cup3=cup3-1;
else if (num1==4){
ConnectFourArray[cup4][4]=2;
cup4=cup4-1;
else if (num1==5){
ConnectFourArray[cup5][5]=2;
cup5=cup5-1;
else if (num1==6){
ConnectFourArray[cup6][6]=2;
cup6=cup6-1;
System.out.println();
System.out.println();
catch (Exception E){
System.out.println("Error with input");
System.out.println("Would you like to play again");
try{
String value;
BufferedReader reader = new BufferedReader (new InputStreamReader(System.in));
// Scanner scan = new Scanner(System.in);
System.out.println("Enter yes to play or no to quit");
// value = scan.nextLine();
// String value2;
value = reader.readLine();
//value2 = reader.readLine();
if (value.equals("yes"))
System.out.println("Start again");
StartGame(); // calling the StartGame method to play a game once more
else if (value.equals("no"))
System.out.println("No more games to play");
// System.exit(0);
else
System.exit(0);
System.out.println();
catch (Exception e){
System.out.println("Error with input");
finally
System.out.println(" playing done");
//StartGame();
//check for horizontal win
public int hasWon()
int status = 0;
for (int row=0; row<6; row++)
for (int col=0; col<4; col++)
if (ConnectFourArray[col][row] != 0 &&
ConnectFourArray[col][row] == ConnectFourArray[col+1][row] &&
ConnectFourArray[col][row] == ConnectFourArray[col+2][row] &&
ConnectFourArray[col][row] == ConnectFourArray[col+3][row])
//status = true;//int winner;
if(status == player1)
System.out.println("Player 1 is the winner");
else if(status == player2)
System.out.println("Player 2 is the winner" );
}//end inner for loop
}// end outer for loop
} // end method Winner
return status;
}//end class
ClassConnectFour which designs the board........................
import java.util.*;
import java.io.*;
import javax.swing.*;
public class ClassConnectFour
//Player player1;
//Player player2;
public ClassConnectFour()
//this.player1 = player1;
public void DrawBoard()
int[][] ConnectFourArray = new int[6][7] ;
for ( int row=0; row < ConnectFourArray.length; row++ ){
System.out.print("Row " + row + ": ");
for ( int col=0; col < ConnectFourArray[row].length; col++ )
System.out.print( ConnectFourArray[row][col] + " ");
System.out.println();
System.out.println();
}//end class
TestConnetFour class which uses most of the above class..................
import java.util.*;
import java.io.*;
import javax.swing.*;
public class TestConnectFour
public static void main(String[] args)
ClassConnectFour cf = new ClassConnectFour();
cf.DrawBoard();
Player1 player1 = new Player1();
Player2 player2 = new Player2();
player1.move();
player2.move();
System.out.println("Number 1 belongs to player " + player1.name());
System.out.println("Number 2 belongs to player " + player2.name());
PlayGame pg = new PlayGame();
pg.StartGame();
pg.hasWon();
//pg.Play();
//System.out.println(player.name());
//System.out.println(player2.name());
}// end main
}//end classI am sorry for all this junk code but I only understand it this way. Your urgent help is required. Looking forward to your reply.
Thanks in advance.
Koonda

Urgent Help Required Please

Hello,
I have the following code
public class StudentRecords {
 private Hashtable recordHolder; //Holds marks for collection of students
 //Maps students to their marks
 private int noAssignments; //Number of marks associated with each student
 public StudentRecords(int noAssignments){
 //Argument is the number of assignments for the course
 recordHolder = new Hashtable();
 public Enumeration getStudentNames(){
 //Returns with an enumeration of student names who do the course
 return recordHolder.elements();
 public int getMark(String studentName, int assignmentNo){
 //Returns with the mark for the student studentName on assignment assignmentNo
 Hashtable studentDetails = (Hashtable)recordHolder.get(studentName);
 String assignmentNoStr = studentDetails.get(String.valueOf(assignmentNo)).toString();
 return Integer.parseInt(assignmentNoStr);
 public int getNoOfAssignments()
 //Returns with the number of assignments associated with the course
 return 10;
 public int getAverage(String studentName){
 //Returns average of marks associated with studentName
 Hashtable studentDetails = (Hashtable)recordHolder.get(studentName);
 System.out.println("studentDetails " +studentDetails);
 int total = 0;
 int countAssignments = 0;
 Enumeration enum = studentDetails.elements();
 while(enum.hasMoreElements())
 countAssignments++;
 String mark = enum.nextElement().toString();
 int mark2 = Integer.valueOf(mark).intValue();
 total = total+mark2;
 return total/countAssignments;
 public void createStudentRecord(String studentName){
 //Create a student record which associates a student with the marks for his/her assignments
 if(!recordHolder.contains(studentName))
 //System.out.println("Creating record for " +studentName);
 recordHolder.put(studentName, new Hashtable());
 public void addMark(String studentName, int assignmentNo, int mark){
 //Add the mark given by mark for assignmentNo to the students record associated with studentName
 Hashtable assignments = (Hashtable)recordHolder.get(studentName);
 String assignment = String.valueOf(assignmentNo);
 String markStr = String.valueOf(mark);
 // new record
 assignments.put(assignment, markStr);
 public String toString()
 return recordHolder.toString();
}Now i have a SAX parser class that is suppose to populate the StudentRecords object. Once this is done I need to output the details into a HTML file using a PrintWriter ( this I can do) but how the hell do I populate my object with this SAX parser.
Here is my SAX class
public class MarksProcessor extends HandlerBase{
public static void main(String[] args){
 //Main method
 try
 MarksProcessor mp = new MarksProcessor();
 Class loadedClass = Class.forName("com.ibm.xml.parser.SAXDriver");
 Parser xParser = (Parser)loadedClass.newInstance();
 xParser.setDocumentHandler(mp);
 xParser.setErrorHandler(mp);
 xParser.parse("Classmarks.txt");
 catch(Exception e)
 e.printStackTrace();
public MarksProcessor()
 public void error(SAXParseException se){
 //Executed when a serious error occurs in processing the XML source
 System.out.println("Error: Problem with XML "+se.getMessage());
 public void warning(SAXParseException se){
 //Executed when a minor problem occurs when processing the XML source
 System.out.println("Warning: Problem with XML "+se.getMessage());
 public void startDocument() throws SAXException{
 //Executed when the XML document is first executed
 System.out.println("Document started");
 public void startElement(String elementName, AttributeList al) throws SAXException
 System.out.println("End ELEMENT = "+ elementName);
 public void endElement(String elementName) throws SAXException{
 //Executed when the end of an element is encountered
 System.out.println("End ELEMENT = "+ elementName);
 public void endDocument() throws SAXException{
 //Executed when processing is finished
 System.out.println("Document finished " +records.toString());
 public void characters(char[] chars, int start, int length)throws SAXException
 System.out.println(new String(chars, start, length));
}Here is the DTD
<STUDENTLIST>
<STUDENTMARK>
<STUDENTNAME>Dobbs</STUDENTNAME>
<ASSIGNMENTNO>1</ASSIGNMENTNO>
12
</STUDENTMARK>
<STUDENTMARK>
<STUDENTNAME>Wilkinson</STUDENTNAME>
<ASSIGNMENTNO>1</ASSIGNMENTNO>
28
</STUDENTMARK>
<STUDENTMARK>
<STUDENTNAME>Wilkinson</STUDENTNAME>
<ASSIGNMENTNO>2</ASSIGNMENTNO>
44
</STUDENTMARK>
<STUDENTMARK>
<STUDENTNAME>Roberts</STUDENTNAME>
<ASSIGNMENTNO>1</ASSIGNMENTNO>
77
</STUDENTMARK>
<STUDENTMARK>
<STUDENTNAME>Roberts</STUDENTNAME>
<ASSIGNMENTNO>2</ASSIGNMENTNO>
80
</STUDENTMARK>
<STUDENTMARK>
<STUDENTNAME>Roberts</STUDENTNAME>
<ASSIGNMENTNO>3</ASSIGNMENTNO>
50
</STUDENTMARK>
<STUDENTMARK>
<STUDENTNAME>Wilkinson</STUDENTNAME>
<ASSIGNMENTNO>3</ASSIGNMENTNO>
60
</STUDENTMARK>
<STUDENTMARK>
<STUDENTNAME>Thomas</STUDENTNAME>
<ASSIGNMENTNO>1</ASSIGNMENTNO>
45
</STUDENTMARK>
<STUDENTMARK>
<STUDENTNAME>Thomas</STUDENTNAME>
<ASSIGNMENTNO>3</ASSIGNMENTNO>
90
</STUDENTMARK>
<STUDENTMARK>
<STUDENTNAME>Dobbs</STUDENTNAME>
<ASSIGNMENTNO>2</ASSIGNMENTNO>
12
</STUDENTMARK>
<STUDENTMARK>
<STUDENTNAME>Thomas</STUDENTNAME>
<ASSIGNMENTNO>2</ASSIGNMENTNO>
45

</STUDENTMARK>
<STUDENTMARK>
<STUDENTNAME>Dobbs</STUDENTNAME>
<ASSIGNMENTNO>3</ASSIGNMENTNO>
12
</STUDENTMARK>
</STUDENTLIST>
The other problem is that I have to know how many assignments there are before I create any StudentREcords object.
Please help. I am desperate and this paper has to be finished in the next day or two.
Thanks alot.

You have to keep track of what the parser reads as it goes through the document. Most of the work will be done in the endElement() method, as you don't have all the information for an element until that's called. Here's a rough draft:public String currentElement;
public StringBuffer currentElementValue;
public String currentStudentName;
public String currentAssignmentNo;
public void startElement(String elementName, AttributeList al) throws SAXException
currentElement = elementName;
currentElementValue = new StringBuffer();
public void endElement(String elementName) throws SAXException
if (currentElement.equals("STUDENTNAME")
 currentStudentName = currentElementValue.toString();
 createStudentRecord(currentStudentName);
if (currentElement.equals("ASSIGNMENTNO")
 currentAssignmentNo = currentElementValue.toString();
if (currentElement.equals("MARK")
 addMark(currentStudentName, Integer.parseInt(currentAssignmentNo), Integer.parseInt(currentElementValue.toString());
public void characters(char[] chars, int start, int length)throws SAXException
currentElementValue.append(chars, start, length);
}PC²

URGENT HELP REQUIRED!

I am having problems implementing a username validaion bean for my login system. Every time I click my login icon on my main JSP page the login JSP page does not appear except one of the error JSP pages.
How can I correct this problem?
Does the code below look correct?
Below is the codes for the Username Validation Bean :
LOGIN.JSP
<%@ page import="java.io.*"%>
<%@ page import="java.util.*"%>
<%@ page import="java.sql.*"%>
<%@ page import="com.mysql.jdbc.*"%>
<%@ page errorPage="badLogin.jsp"%>
<%@ page import="gcd.UserNameValidationBean"%>
<%
Class.forName("com.mysql.jdbc.Driver");
java.sql.Connection connection=java.sql.DriverManager.getConnection("jdbc:mysql://localhost/gcdBB_db");
java.sql.Statement statement = connection.createStatement();
Enumeration parameters = request.getParameterNames();
if(parameters.hasMoreElements())
String usernameValue = request.getParameter("username");
String passwordValue = request.getParameter("password");
statement.executeUpdate("INSERT INTO users (username,password) VALUES ('"+usernameValue+"','"+passwordValue+"')");
%>
GOODLOGIN.JSP
<%@ page errorPage="badLogin.jsp"%>
<%@ page import="gcd.UserNameValidationBean"%>
<% UserNameValidationBean validationBean = new UserNameValidationBean();
if(request.getParameter("username")!=null)
validationBean.validateUserNameBean(request.getParameter("username"));
%>
<%=request.getParameter("username")%>
USERNAMEVALIDATIONBEAN.JAVA
package gcd;
public class UserNameValidationBean
public UserNameValidationBean(){}
public boolean validateUserName(String userName) throws InvalidUserNameException
if(userName.length() < 32)
throw new InvalidUserNameException("User Name Invalid: " + userName);
return true;
INVALIDUSERNAMEEXCEPTION.JAVA
package gcd;
public class InvalidUserNameException extends Exception
public InvalidUserNameException(String message)
super(message);
I need urgent help to get this working!

Here is code for badLogin.jsp and badLoginWithExceptonObject:
BADLOGIN.JSP
<HTML><HEAD><TITLE>Login Failure</TITLE></HEAD>
<BODY bgcolor="#FF9900">
<H1></H1>
Sorry but you either entered an incorrect username
or password 
Try Again
</BODY></HTML>
BADLOGINWITHEXCEPTIONOBJECT.JSP
<HTML><HEAD><TITLE>Check User Login Against Parameters</TITLE></HEAD>
<BODY bgcolor="#FF9900">
<%@ page isErrorPage = "true"%>
Error = <%= exception.getMessage()%> <% PrintWriter writer = new PrintWriter(out); %>
Stack = <% exception.printStackTrace(writer); %>
Try Again
</BODY></HTML>

Urgent Help Required - Video Not playing on IE11 and Firefox

Hi,
I need Urgent Help , I am trying to Play this Presentation on IE 11 and Firefox and it doesn't play the Video part which is FLV and f4v formats.
I have been googeling it but couldn't find a solution so far ,Can anyone please help , its really urgent as I am done with the Project ,and this is the last bit which I have been struggling with for a while now.
Here is the HTML Code I am using :
<----------------------------------------------------------------------------------------- ----------------------------------------------------------------->
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<title>index</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style type="text/css" media="screen">
html, body { height:100%; background-color: #ffffff;}
body { margin:0; padding:0; overflow:hidden; }
#flashContent { width:100%; height:100%; }
</style>
</head>
<body>
<div id="flashContent">
 <object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" width="800" height="600" id="index" align="middle">
 <param name="movie" value="index.swf" />
 <param name="quality" value="high" />
 <param name="bgcolor" value="#ffffff" />
 <param name="play" value="true" />
 <param name="loop" value="true" />
 <param name="wmode" value="window" />
 <param name="scale" value="showall" />
 <param name="menu" value="true" />
 <param name="devicefont" value="false" />
 <param name="salign" value="" />
 <param name="allowScriptAccess" value="sameDomain" />
 
 <object type="application/x-shockwave-flash" data="index.swf" width="800" height="600">
 <param name="movie" value="index.swf" />
 <param name="quality" value="high" />
 <param name="bgcolor" value="#ffffff" />
 <param name="play" value="true" />
 <param name="loop" value="true" />
 <param name="wmode" value="window" />
 <param name="scale" value="showall" />
 <param name="menu" value="true" />
 <param name="devicefont" value="false" />
 <param name="salign" value="" />
 <param name="allowScriptAccess" value="sameDomain" />
 
 <a href="http://www.adobe.com/go/getflash">
 <img src="http://www.adobe.com/images/shared/download_buttons/get_flash_player.gif" alt="Get Adobe Flash player" />
 </a>
 
 </object>
 
 </object>
</div>
</body>
</html>
<----------------------------------------------------------------------------------------- ----------------------------------------------------------------->

Any Help in this Regards will be highly appreciated

Urgent : Help required for logical comparison of two 2GB files.

Large files need to be compared depending on Business logic. No byte to byte comparison to be done. It would require reference of data written at the start of the file at some other later part of the file too while comparing two files. File needs to be stored in memory while comparison is done. Kindly suggest some way out which would give best performance. Memory limitations are 256 MB RAM.

File needs to be stored in memory while comparison is done.
Memory limitations are 256 MB RAM.You have 4 GB of data. You have 256 MB of RAM to put it in. Obviously one of those two assumptions has to be changed. By the way, what is the XML connection for this question?

Deserialization error !!!Urgent help required!!!

hi,
I have a GUI screen developed by Java Swings. It has 5 checkboxes say A, B, C, D, E.
Now depending on the users choice, the values of these checkboxes is sent as an xml
file to the soapServer as shown below.
<A="yes" B="no" C="yes" D="yes" E="no">
Now there is some processing on the generated xml files on server. It reads these atrributes and performs certain functions.
Also while retrieving back the xml file from SoapServer on GUI screen, there is an option
which asks the location of stored XML file and then it gets the xml file and displays the
Checkboxes accordingly. The GUI screen is succesfully displayed.
Now my query is that I have added another attribute checkbox say "F", The GUI screen
sucesfully sends the XML file and then the processing on xml file is fine. But when I try
to retrieve the xml file, The GUI screen is not displayed but this is what the error that I encounter.
at org.apache.axis.encoding.DeserializationContextImpl.parse(DeserializationContextImpl.java:218)
at org.apache.axis.SOAPPart.getAsSOAPEnvelope(SOAPPart.java:646)
at org.apache.axis.Message.getSOAPEnvelopeMessage.java:424)
at org.apache.axis.handlers.soap.MustUnderstandChecker.invoke(MustUnderstandChecker.java:62)
at org.apache.axis.client.AxisClient.invoke(AxisClient.java:173)
at org.apache.axis.client.Call.invokeEngine(Call.java:2735)
at org.apache.axis.client.Call.invoke(Call.java:2718)
at org.apache.axis.client.Call.invoke(Call.java:2394)
at org.apache.axis.client.Call.invoke(Call.java:2317)
at org.apache.axis.client.Call.invoke(Call.java:1774)
I would be extremely grateful if you could help me out with this situation.

>
>
at
org.apache.axis.encoding.DeserializationContextImpl.pa
rse(DeserializationContextImpl.java:218)
at
org.apache.axis.SOAPPart.getAsSOAPEnvelope(SOAPPart.ja
va:646)
at
org.apache.axis.Message.getSOAPEnvelopeMessage.java:42
4)
at
org.apache.axis.handlers.soap.MustUnderstandChecker.in
voke(MustUnderstandChecker.java:62)
at
org.apache.axis.client.AxisClient.invoke(AxisClient.ja
va:173)
at
org.apache.axis.client.Call.invokeEngine(Call.java:273
5)
at
org.apache.axis.client.Call.invoke(Call.java:2718)
at
org.apache.axis.client.Call.invoke(Call.java:2394)
at
org.apache.axis.client.Call.invoke(Call.java:2317)
at
org.apache.axis.client.Call.invoke(Call.java:1774)What do you expect us to help? Where's the ******* error message?

Urgent help required related to login management

Dear Friends,
I have a requirement in which i am stuck.
i would like to explain with a example
The requirement is a unique login in a web application.
Say a user has logged in with a name [ tom ] on machine 1.
Now the user with the name [ tom ] should be allowed to be logged in from other machine say machine 2 and only if the user with [ tom ] has logged off from machine 1 then only we can log in with the user name
[ tom ] from on machine 2.
How is it possible in a web application using jsp servlets and form beans.
Thanks in advance and replies are invited . Its a urgent matter.

Hi Raj,
The best solution what i think would be is as follows
Every infotype will have a customer include starts with CI_P* which gives the capacity to include the new customer fields.
Eg : for P0001 it is CI_P0001.
we need to create a custom screen to handle the custom field. You can check the table T582C for the custom screens.Then your new custom screen is included to the infotypes in the above said table.
Once the Customer include is enhanced and added a field, then we need to go and do the field level configuration to make sure that the your new field appears when you go to specific infotype in PA30.
Make sure the custom field is a Input field. If it is not the Input field you BDC will fail.
Hope this helps. If so reward.
Thanks
Shyam

Can anyone help me edit the xml in Feedburner?

I successfully resubmitted my podcast to Itunes so that now it only takes the podcasts, and all six episodes are there. Yay!
Problem is now that it shows it created by "[email protected]"
I can see just where that is in the xml feed, but when I try to edit it, nothing happens.
also the website sends it just to the page for podcasts, but that's ok as the tabs are all at the top and anyone who wants to can click ont he tabs to read more. And I think having it link to the entire blog was part of the problem in the first place. I'm just concerned about the "noreply" thing.
Here is the podcast on itunes:
http://itunes.apple.com/us/podcast/new-york-irish-arts/id435952770
The offending line in the xml is this:
<managingEditor>[email protected] (Gwen Orel)</managingEditor>
<lastBuildDate>Wed
But I don't know how to get in there to change it. Help....

As far as I can deduce you have created the podcast using Blogger's online service, then submitted the feed URL they give you to Feedburner: the Feedburner feed, which has been submitted to iTunes, is at
http://feeds.feedburner.com/blogspot/IWRRu
Both Blogger and Feedeburner create and host the feed themselves: it's not possibile for you to edit this directly. You have to make any required changes in Blogger.
There is a bit of a mystery over the offending entry. That area on the iTunes Store should be populated from the 'itunes:author' tag; there is such a tag, containing just your name. ITunes does not, in theory, read the 'managingEditor' tag, so why it's displaying the contents of this tag I can't say. It's all something you would have to take up with Blogger: but these free service come at the price of accepting their way of doing things and one of the things which is liable to happen is that they like links back to their own site. That one is a bit odd, though.

Urgent - encrypt and decrypt the single field (String)

Hi,
I want to create Java program which can encrypt and decrypt the single field (String). Can you please pass me the code. I am new to the Java and my technical background is not from Java. Appreciate your speedy response.
You can directly reach me at [email protected]
--Akshay

Welcome to the Developer Community! We'd like you to get the most out of your experience at the Forums. Please keep in mind that the many of the developers who help you are working for a living, and all of them are providing you with free advice. It is only fair for you to do some homework first prior to posting. Here are some suggestions from the developer community to the newest members. To avoid wasting fellow members' time unnecesarily, please use the following checklist before posting a question:
* Search before Posting: Especially if you are in a hurry, you may find that the question has already been asked and answered during the long history of the Forums.
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Urgent Help required! - Storing the XML as String instead as a file

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