contactformbean.java

struts的一个例子程序,对学习struts的程序员是个不错的材料

package coreservlets;

import javax.servlet.http.*;
import org.apache.struts.action.*;

public class ContactFormBean extends ActionForm {
  private String firstName = "First name";
  private String lastName = "Last name";
  private String email = "user@host";
  private String faxNumber = "xxx-yyy-zzzz";
  private String[] defaultValues =
    { firstName, lastName, email, faxNumber };
  private String warning = "";

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

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

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

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

  public String getEmail() {
    return(email);
  }

  public void setEmail(String email) {
    this.email = email;
  }

  public String getFaxNumber() {
    return(faxNumber);
  }

  public void setFaxNumber(String faxNumber) {
    this.faxNumber = faxNumber;
  }

  public String getWarning() {
    return(warning);
  }

  public void setWarning(String baseWarning) {
    this.warning =
      "<H2><FONT COLOR=RED>Missing or invalid " +
      baseWarning + "!</FONT></H2>";
  }

  public void clearWarning() {
    warning = "";
  }

  // The reset method below is ONLY needed if you make
  // the bean session-scoped. See the section on validation
  // for more details.

  public void reset(ActionMapping mapping,
                    HttpServletRequest request) {
    clearWarning();
  }

  public boolean isMissing(String value) {
    if ((value == null) || (value.trim().equals(""))) {
      return(true);
    } else {
      for(int i=0; i<defaultValues.length; i++) {
        if (value.equals(defaultValues[i])) {
          return(true);
        }
      }
      return(false);
    }
  }
}