loginform.java

tomcat与java web 这本书的配套源代码

package mypack;

import javax.servlet.http.HttpServletRequest;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;

public class LoginForm extends ActionForm {

  private String password = null;
  private String username = null;

	// Password Accessors
  public String getPassword() {
		return (this.password);
}
  public void setPassword(String password) {
		this.password = password;
}
	// Username Accessors
  public String getUsername() {
		return (this.username);
}
  public void setUsername(String username) {
		this.username = username;
}
  // This method is called with every request. It resets the Form
  // attribute prior to setting the values in the new request.
  public void reset(ActionMapping mapping, HttpServletRequest request) {
		this.password = null;
		this.username = null;
}


public ActionErrors validate(ActionMapping arg0,HttpServletRequest arg1){
  ActionErrors errors=new ActionErrors();
  if(username==null || username.equals("") ){
   errors.add("username",new ActionError("error.username"));
}

  return errors;
}
}