ro.zg.netcell.vaadin.action.user.ResetPasswordHandler.java Source code

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Here is the source code for ro.zg.netcell.vaadin.action.user.ResetPasswordHandler.java

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/*******************************************************************************
 * Copyright 2011 Adrian Cristian Ionescu
 * 
 * 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 ro.zg.netcell.vaadin.action.user;

import java.util.Map;

import ro.zg.netcell.control.CommandResponse;
import ro.zg.netcell.vaadin.DataTranslationUtils;
import ro.zg.netcell.vaadin.ExtendedForm;
import ro.zg.netcell.vaadin.ExtendedForm.FormCommitEvent;
import ro.zg.netcell.vaadin.ExtendedForm.FormListener;
import ro.zg.netcell.vaadin.action.ActionContext;
import ro.zg.open_groups.OpenGroupsApplication;
import ro.zg.open_groups.gui.OpenGroupsMainWindow;
import ro.zg.open_groups.user.UsersManager;
import ro.zg.opengroups.util.OpenGroupsUtil;
import ro.zg.opengroups.vo.ActionUri;
import ro.zg.opengroups.vo.UserAction;

import com.vaadin.terminal.ExternalResource;
import com.vaadin.terminal.UserError;
import com.vaadin.ui.Alignment;
import com.vaadin.ui.Form;
import com.vaadin.ui.Label;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.Window;
import com.vaadin.ui.Window.CloseEvent;
import com.vaadin.ui.Window.CloseListener;

public class ResetPasswordHandler extends UserHandler {

    /**
     * 
     */
    private static final long serialVersionUID = 2418881064410568630L;

    @Override
    public void handle(ActionContext actionContext) throws Exception {
        Window w = new Window();
        w.setModal(true);
        OpenGroupsApplication app = actionContext.getApp();
        OpenGroupsMainWindow mainWindow = actionContext.getWindow();
        UserAction ua = actionContext.getUserAction();
        w.setWidth("400px");
        w.setHeight("300px");
        w.center();
        w.setCaption(getMessage(ua.getActionName() + ".window.caption"));
        mainWindow.addWindow(w);

        VerticalLayout layout = new VerticalLayout();
        layout.setSizeFull();
        Form form = getForm(actionContext.getUserAction(), app, actionContext.getParams(), actionContext);
        w.setContent(layout);
        layout.addComponent(form);
        form.setWidth("60%");
        // form.setHeight("30%");
        layout.setComponentAlignment(form, Alignment.MIDDLE_CENTER);

        /* hide the content of the main window */
        mainWindow.setContentVisible(false);

    }

    private Form getForm(final UserAction ua, final OpenGroupsApplication app, final Map<String, Object> params,
            ActionContext actionContext) {
        final ExtendedForm form = ua.generateForm(actionContext);
        form.addListener(new FormListener() {

            @Override
            public void onCommit(FormCommitEvent event) {
                form.setComponentError(null);
                resetPassword(event.getForm(), ua, app, params);
            }
        });
        form.setDescription(getMessage(ua.getActionName() + ".header.message"));
        return form;
    }

    private void resetPassword(Form form, UserAction ua, OpenGroupsApplication app,
            Map<String, Object> actionParams) {
        ActionUri au = (ActionUri) actionParams.get("actionUri");

        form.setComponentError(null);
        Map<String, Object> paramsMap = (Map<String, Object>) form.getValue();
        String password = (String) paramsMap.get("password");
        String passwordCheck = (String) paramsMap.get("password-again");
        if (!password.equals(passwordCheck)) {
            String message = getMessage("user.register.password.check.failed");
            form.setComponentError(new UserError(message));
            return;
        }
        paramsMap.put("password", UsersManager.getInstance().encrypt(password));
        paramsMap.put("userHash", au.getParamUri());

        CommandResponse response = executeAction(new ActionContext(ua, app, null), paramsMap);

        if (response.isSuccessful()) {
            displaySuccessfulMessage(form.getWindow(), ua.getActionName() + ".success", app);
        }
    }

    private void displaySuccessfulMessage(Window w, String messageKey, final OpenGroupsApplication app) {
        VerticalLayout l = new VerticalLayout();
        l.setSizeFull();
        Label message = new Label(getMessage(messageKey));
        message.setWidth("60%");
        l.addComponent(message);
        l.setComponentAlignment(message, Alignment.MIDDLE_CENTER);
        w.setContent(l);

        w.addListener(new CloseListener() {

            @Override
            public void windowClose(CloseEvent e) {
                app.getActiveWindow()
                        .open(new ExternalResource(OpenGroupsUtil.getUrlForEntity(app.getActiveEntity(), app)));
                /* unhide the content of the main window */
                app.getActiveWindow().setContentVisible(true);
            }
        });
    }
}