dpp.dbClasses.User.java Source code

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Here is the source code for dpp.dbClasses.User.java

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package dpp.dbClasses;

import com.google.common.base.Charsets;
import com.google.common.hash.Hashing;
import java.util.Random;

/**
 *  User class used to map to user table
 *  also contains method the generate username
 *  passwords are generated along with an encrypted password
 *  contains a method for comparing passwords
 */
public class User {
    private int id; // user id
    private String username; // users username
    private String password; // users password
    private String role; // users role

    private String tmppassword;

    public User() {
    }

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getUsername() {
        return username;
    }

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

    public String getPassword() {
        return password;
    }

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

    public String getRole() {
        return role;
    }

    public void setRole(String role) {
        this.role = role;
    }

    public String getTmppassword() {
        return tmppassword;
    }

    public void setTmppassword(String tmppassword) {
        this.tmppassword = tmppassword;
    }

    /**
     * return generated username
     * @param firstName is the patient first name
     * @param middle is the patient middle name
     * @param lastName is the patient last name
     * @return String
     * note: user name is concatenated from firstName, middle and lastName 
     */
    public String generateUsername(String firstName, String middle, String lastName) {
        String firstInitial = "" + firstName.toLowerCase().charAt(0);
        String middleInitial = middle.toLowerCase();

        return firstInitial + middleInitial + lastName.toLowerCase();
    }

    /**
     * returns a generated temp password 
     * @return String
     * note: call encryptPassword to return encrpted password
     */
    public String generatePassword() {
        final String code = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghujklmnopqrstuvwxyz";
        Random rnd = new Random();
        int len = 9;

        StringBuilder sb = new StringBuilder(len);
        for (int i = 0; i < len; i++)
            sb.append(code.charAt(rnd.nextInt(code.length())));

        tmppassword = sb.toString();

        return encryptPassword(tmppassword);
    }

    /**
     * return the generated encrypted password
     * @param password
     * @return String
     */
    private String encryptPassword(String password) {
        return Hashing.sha256().hashString(password, Charsets.UTF_8).toString();
    }

    /**
     * return true if passwords are equal
     * @param password
     * @return boolean
     */
    public boolean comparePassword(String password) {
        return password.equals(encryptPassword(this.password));
    }
}