org.rebioma.client.forms.ChangePasswordForm.java Source code

Introduction

Here is the source code for org.rebioma.client.forms.ChangePasswordForm.java

Source

/*
 * Copyright 2008 University of California at Berkeley
 * 
 * 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.rebioma.client.forms;

import org.rebioma.client.ApplicationView;
import org.rebioma.client.DataSwitch;
import org.rebioma.client.Email;
import org.rebioma.client.i18n.AppConstants;
import org.rebioma.client.services.UserService;

import com.google.gwt.core.client.GWT;
import com.google.gwt.user.client.Cookies;
import com.google.gwt.user.client.History;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.rpc.AsyncCallback;

/**
 * The form for changing a password.
 * 
 */
public class ChangePasswordForm extends Form {

    /**
     * The application constants.
     * 
     */
    private final static AppConstants constants = ApplicationView.getConstants();

    /**
     * The password form input.
     * 
     */
    private final FormInput password = new PasswordFormInput(constants.OldPassword(), true);

    /**
     * The new password form input.
     * 
     */
    private final FormInput newPassword = new PasswordFormInput(constants.NewPass(), true);

    /**
     * The new password confirmed form input.
     * 
     */
    private final FormInput newPasswordConfirmed = new PasswordFormInput(constants.ConfirmNewPass(), true);

    public ChangePasswordForm(String name) {
        this(name, null);
    }

    public ChangePasswordForm(String name, FormListener listener) {
        super(name, false, Layout.VERTICAL, listener);
        addInput(password);
        addInput(newPassword);
        addInput(newPasswordConfirmed);
    }

    /**
     * Redirects the user to the application home page.
     */
    @Override
    protected void onCancel() {
        History.back();
    }

    /**
     * Uses {@link DataSwitch} to invoke {@link UserService}.
     * 
     */
    @Override
    protected void onSubmit() {
        String newPassValue = newPassword.getInputValue();
        String confirmPassValue = newPasswordConfirmed.getInputValue();
        if (!newPassValue.equals(confirmPassValue)) {
            Window.alert(constants.UnmatchPassMsg());
            return;
        }
        Email email = createEmail();
        String sessionId = Cookies.getCookie(ApplicationView.SESSION_ID_NAME);
        DataSwitch.get().changeUserPassword(password.getInputValue(), newPassword.getInputValue(), sessionId, email,
                new AsyncCallback<Integer>() {
                    public void onFailure(Throwable caught) {
                        fireOnSubmitFailed(caught);
                    }

                    public void onSuccess(Integer result) {
                        fireOnSubmitSuccess(result);
                    }
                });
    }

    /**
     * Makes sure that the new password matches the confirmed to password.
     * 
     */
    @Override
    protected String validate() {
        String error = super.validate();
        if (error != null) {
            return error;
        } else {
            return newPassword.getInputValue().equals(newPasswordConfirmed.getInputValue()) ? null : " ";
        }
    }

    /**
     * Creates and returns an email confirmation for password change.
     * 
     */
    private Email createEmail() {
        Email email = new Email();
        email.setSubject(constants.ChangePassEmailSubject());
        email.setContent(constants.PassChangedNotification() + "\n\n" + constants.MaybeCompromisedMsg() + " "
                + GWT.getHostPageBaseURL() + Window.Location.getQueryString() + "#tab=ForgetPass");
        email.setYourNewPassword(constants.YourNewPass());
        email.setYourUserName(constants.YourUserName());
        email.setSincerelyMsg(constants.Sincerely());
        email.setDear(constants.Dear());
        return email;
    }
}