AllowedCharacterRule

AllowedCharacterRule specifies what characters are allowed in password.

import edu.vt.middleware.password.AllowedCharacterRule;
import edu.vt.middleware.password.Password;
import edu.vt.middleware.password.PasswordData;
import edu.vt.middleware.password.PasswordValidator;
import edu.vt.middleware.password.Rule;
import edu.vt.middleware.password.RuleResult;
import java.util.ArrayList;
import java.util.List;

public class PasswordCheck {

    private static PasswordValidator getPasswordValidator(){
        /* Rules for allowed charachters */
        char chars[] = {'1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
                        'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
                        'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't',
                        'u', 'v', 'w', 'x', 'y', 'z', 'A', 'B', 'C', 'D',
                        'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N',
                        'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X',
                        'Y', 'Z', '_', '@', '#', '!'};
        AllowedCharacterRule allowedCharsRule = new AllowedCharacterRule(chars);


        List<Rule> ruleList = new ArrayList<Rule>();
        ruleList.add(allowedCharsRule);

        PasswordValidator validator = new PasswordValidator(ruleList);

        return validator;
    }

    public static boolean isPasswordValid(String password){
        PasswordData passwordData = new PasswordData(new Password(password));
        RuleResult result = getPasswordValidator().validate(passwordData);
        return result.isValid();
    }
    
    
    public static void main(String args[]){
       System.out.println("Is password valid : " + isPasswordValid("asdfghjkl"));
       System.out.println("Is password valid : " + isPasswordValid("asdfghjkl%$"));
    }
}

Output

Is password valid true
Is password valid false 

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