logonform.java

JSP2.0实用教程实例源码

package app;

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


/**
 * Form bean for the user profile page.
 * This form has the following fields,
 * with default values in square brackets:
 * <ul>
 * <li><b>password</b> - Entered password value
 * <li><b>username</b> - Entered username value
 * </ul>
 *
 * @author Ted Husted
 * @version $Revision: 1.1.1.1 $ $Date: 2002/08/15 15:50:55 $
 */
public final class LogonForm extends ActionForm {
    /**
     * The password.
     */
    private String password = null;
    /**
     * The username.
     */
    private String username = null;
    /**
     * Return the password.
     */
    public String getPassword() {
	  return (this.password);
    }
    /**
     * Set the password.
     *
     * @param password The new password
     */
    public void setPassword(String password) {
        this.password = password;
    }
    /**
     * Return the username.
     */
    public String getUsername() {
	  return (this.username);
    }
    /**
     * Set the username.
     *
     * @param username The new username
     */
    public void setUsername(String username) {
        this.username = username;
    }
    /**
     * Reset all properties to their default values.
     *
     * @param mapping The mapping used to select this instance
     * @param request The servlet request we are processing
     */
    public void reset(ActionMapping mapping,HttpServletRequest request) {
        setPassword(null);
        setUsername(null);
    }
   /**
     * Ensure that both fields have been input.
     *
     * @param mapping The mapping used to select this instance
     * @param request The servlet request we are processing
     */
    public ActionErrors validate(ActionMapping mapping,HttpServletRequest request) {
        ActionErrors errors = new ActionErrors();
        if ((username == null) || (username.length() < 1))
            errors.add("username",
                new ActionError("error.username.required"));
        if ((password == null) || (password.length() < 1))
            errors.add("password",
                new ActionError("error.password.required"));
        return errors;
    }
} // End LogonForm