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Bank.java
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executable file
·136 lines (110 loc) · 2.58 KB
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package Root;
import java.util.ArrayList;
import java.util.Random;
/**
* @author syombua
*
*/
public class Bank
{
private String name;
private ArrayList<User> users;
private ArrayList<Account> accounts;
//creat anew bank object with list empty
public Bank(String name)
{
this.name = name;
this.users = new ArrayList<User>();
this.accounts = new ArrayList<Account>();
}
// generate a new universally unique ID for a user
public String getNewUserUUID()
{
String uuid;
Random rng = new Random();
int len = 6;
boolean nonUnique;
//continue looping until we get a new unique ID
do{
//generate the number
uuid = "";
for (int c = 0; c<len; c++)
{
uuid+= ((Integer)rng.nextInt(10)).toString();
}
//check to makesure its unique
nonUnique = false;
for (User u : this.users)
{
if(uuid.compareTo(u.getUUID())== 0)
{
nonUnique = true;
break;
}
}
}while(nonUnique);
return uuid;
}
//generate unique IDs for each account
public String getNewAccontUUID()
{
String uuid;
Random rng = new Random();
int len = 10;
boolean nonUnique;
//continue looping until we get a new unique ID
do{
//generate the number
uuid = "";
for (int c = 0; c<len; c++)
{
uuid+= ((Integer)rng.nextInt(10)).toString();
}
//check to makesure if unique
nonUnique = false;
for (Account a : this.accounts)
{
if(uuid.compareTo(a.getUUID())== 0)
{
nonUnique = true;
break;
}
}
}while(nonUnique);
return uuid;
}
public void addAccount(Account onAcct)
{
this.accounts.add(onAcct);
}
public User addUser(String firstName, String lastName , String pin)
{
//Create a new user object and add it to our list
User newUser = new User(firstName, lastName,pin, this);
this.users.add(newUser);
//create a savings account for the user and add to user
Account newAccount = new Account("Savings", newUser, this);
newUser.addAccount(newAccount);
this.addAccount(newAccount);
return newUser;
}
public User userLogin(String userID, String pin)
{
//search through the list of users
for(User u : this.users)
{
//check user ID is correct
if(u.getUUID().compareTo(userID) == 0 && u.validatePin(pin))
{
return u;
}
}
//if we havent found the pin
return null;
}
public String getName()
{
// TODO Auto-generated method stub
return this.name;
}
}