validation.java

java jsp code for something i dont know

/*
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 * and open the template in the editor.
 */

package cas3;

/**
 *
 * @author Aleksandar
 */
public class Validation {

    private String username;
    
    private String password;
    
    private String phoneNumber;
    
    private String emailAddress;
    
    private String address;
    
    public Validation() {
    }
    
    public String check(){
        if (!checkEmptyField()) 
        {
            return "Nisu popunjena sva polja.";
        }
        if (!checkPassword())
        {
            return "Uneti password nije korektan.";
        }
        if (!checkEmailAddress())
        {
            return "Unet email nije u korektnom formatu.";
        }
        
        return "Uneta forma sadrzi validne podatke";
    }
    
    private boolean checkEmailAddress()
    {
        if (emailAddress == null) {
            return false;
        }
        String []parts = emailAddress.split("@");
        if (parts.length != 2 ) {
            return false;
        }
        if (parts[1].split("\\.").length < 2) {
            return false;
        }
        
        return true;
    }
    
    private boolean checkPassword()
    {
        if (password == null || password.length() < 8) {
            return false;
        }
        else {
            return true;
        }
    }
    
    private boolean checkEmptyField()
    {
        boolean toReturn = true;
        if (username == null || username.equals("")) {
            return false;
        }
        if (password == null || password.equals("")) {
            return false;
        }
        if (phoneNumber == null || phoneNumber.equals("")) {
            return false;
        }
        if (emailAddress == null || emailAddress.equals("")) {
            return false;
        }
        if (address == null || address.equals("")) {
            return false;
        }
        return toReturn;
    }

    public String getUsername() {
        return this.username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public String getPhoneNumber() {
        return phoneNumber;
    }

    public void setPhoneNumber(String phoneNumber) {
        this.phoneNumber = phoneNumber;
    }

    public String getEmailAddress() {
        return emailAddress;
    }

    public void setEmailAddress(String emailAddress) {
        this.emailAddress = emailAddress;
    }

    public String getAddress() {
        return address;
    }

    public void setAddress(String address) {
        this.address = address;
    }

   
}