package coreservlets;

public class NameBean {
  private String firstName = "Missing first name";
  private String lastName = "Missing last name";

  public NameBean(String firstName, String lastName) {
    setFirstName(firstName);
    setLastName(lastName);
  }

  public String getFirstName() {
    return(firstName);
  }

  public void setFirstName(String firstName) {
    if (!isMissing(firstName)) {
      this.firstName = firstName;
    }
  }

  public String getLastName() {
    return(lastName);
  }

  public void setLastName(String lastName) {
    if (!isMissing(lastName)) {
      this.lastName = lastName;
    }
  }

  private boolean isMissing(String value) {
    return((value == null) || (value.trim().equals("")));
  }
}