/*
 * Copyright 1999-2001,2004 The Apache Software Foundation.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


package org.apache.struts.webapp.example;


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 Craig R. McClanahan
 * @version $Rev: 54934 $ $Date: 2004-10-16 18:07:50 +0100 (Sat, 16 Oct 2004) $
 */

public final class LogonForm extends ActionForm {


    // --------------------------------------------------- Instance Variables


    /**
     * The password.
     */
    private String password = null;


    /**
     * The username.
     */
    private String username = null;


    // ----------------------------------------------------------- Properties


    /**
     * 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;

    }


    // --------------------------------------------------------- Public Methods


    /**
     * 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) {

        this.password = null;
        this.username = null;

    }


    /**
     * Validate the properties that have been set from this HTTP request,
     * and return an <code>ActionErrors</code> object that encapsulates any
     * validation errors that have been found.  If no errors are found, return
     * <code>null</code> or an <code>ActionErrors</code> object with no
     * recorded error messages.
     *
     * @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;

    }


}