// file:    Bank.java
// author:  Robert Keller
// purpose: A Java program, defining a bank, using BankAccount class

import java.io.*;

/**  
 *   Bank defines one bank.
 **/

class Bank
{
int max_accounts;               // maximum number of accounts

BankAccount account[];          // declare array of bank accounts

int num_accounts;               // current number of accounts


/**  
 *   Constructor, open a bank with a maximum number of accounts
 **/

public Bank(int max_accounts)
  {
  this.max_accounts = max_accounts;
  num_accounts = 0;
  account = new BankAccount[max_accounts];      // allocate array
  }                                             // (not accounts themselves)



/**  
 *   Open a new account at this bank
 **/

public boolean open(String name, String ss_no, int balance)
  {
  if( num_accounts == max_accounts )
    return false;                               // reached maximum number
  account[num_accounts++] = new BankAccount(name, ss_no, balance);
  return true;
  }


/**  
 *   Issue statements for all accounts.
 **/

public void issue_statements()
  {
  for( int i = 0; i < num_accounts; i++ )
    account[i].statement();
  }


/**  
 *   Conduct business of the bank.
 *   Read input specifying accounts to be opened.
 *   Print statements at the end.
 **/

public void conduct_business(InputStream In) 
  {
  StreamTokenizer input = new StreamTokenizer(In);        // create tokenizer
  int TT_EOF = StreamTokenizer.TT_EOF;

  try
    {    
    while( input.nextToken() != TT_EOF )                  // get the name
      {
      String name = input.sval;                           // assign the name

      if( input.nextToken() == TT_EOF ) break;            // get SS number
      String ss_no = input.sval;

      if( input.nextToken() == TT_EOF ) break;            // get the balance
      if( input.ttype != StreamTokenizer.TT_NUMBER )
	{
	System.out.println("Invalid balance for " + name 
			 + " ignored: " + input.sval);
	continue;                                         // can't read balance
	}
      else
	{
	int balance = (int)input.nval;                    // make the account
	if( !open(name, ss_no, balance) )
	  System.out.println("Not accepting new accounts"); // can't open
	}     
      }
    }
  catch(IOException e)
    {
    System.out.println("Unexpected IO exception");
    }

  issue_statements();                                     // issue statements
  }


/**  
 *   Sample program defining one bank with 10 accounts max.
 **/

static public void main(String args[]) 
  {
  Bank test_bank = new Bank(10);
  test_bank.conduct_business(System.in);
  }
}