package coreservlets;

import java.io.*;

/** Bean to represent a name. Mutable and Serializable because it will
 *  be stored in the session and possibly updated with new names based
 *  on request parameters.
 *  <p>
 *  From <a href="http://courses.coreservlets.com/Course-Materials/">the
 *  coreservlets.com tutorials on servlets, JSP, Struts, JSF, Ajax, GWT, 
 *  Spring, Hibernate/JPA, and Java programming</a>.
 */

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

  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("")));
  }
}