Signup.java

//
// Copyright 2009 Robin Komiwes, Bruno Verachten, Christophe Cordenier
//
// 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 com.wooki.pages;

import org.apache.tapestry5.EventConstants;
import org.apache.tapestry5.Field;
import org.apache.tapestry5.annotations.InjectComponent;
import org.apache.tapestry5.annotations.InjectPage;
import org.apache.tapestry5.annotations.OnEvent;
import org.apache.tapestry5.annotations.Property;
import org.apache.tapestry5.beaneditor.Validate;
import org.apache.tapestry5.corelib.components.Form;
import org.apache.tapestry5.ioc.annotations.Inject;

import com.wooki.domain.biz.UserManager;
import com.wooki.domain.exception.UserAlreadyException;
import com.wooki.domain.model.User;
import com.wooki.services.security.WookiSecurityContext;

/**
 * Signup page for new authors.
 */
public class Signup
{

    @InjectComponent
    private Form signupForm;

    @InjectComponent(value = "username")
    private Field usernameF;

    @InjectComponent(value = "password")
    private Field passwordF;

    @Inject
    private UserManager userManager;

    @Inject
    private WookiSecurityContext securityCtx;

    @InjectPage
    private Dashboard successPage;

    @Property
    @Validate("required,maxLength=20")
    private String username;

    @Property
    @Validate("required")
    private String fullname;

    @Property
    @Validate("required,minLength=8")
    private String password;

    @Property
    @Validate("required,email")
    private String email;

    @OnEvent(value = EventConstants.ACTIVATE)
    public Object checkSecurityCtx()
    {
        if (securityCtx.isLoggedIn()) { return Index.class; }
        return null;
    }

    @OnEvent(value = EventConstants.VALIDATE, component = "signupForm")
    public void onValidate()
    {
        if (username != null && password != null
                && username.trim().compareToIgnoreCase(password.trim()) == 0)
        {
            signupForm.recordError(passwordF, "User password cannot be its username");
        }
        // Do a first check
        if (username != null && userManager.findByUsername(username) != null)
        {
            signupForm.recordError(usernameF, "User already exists");
        }
    }

    @OnEvent(value = EventConstants.SUCCESS, component = "signupForm")
    public Object onSignupSuccess()
    {

        try
        {
            User user = new User();
            user.setUsername(username);
            user.setEmail(email);
            user.setPassword(password);
            user.setFullname(this.fullname);

            this.userManager.registerUser(user);

            this.successPage.setFirstAccess(true);

            return successPage;

        }
        catch (UserAlreadyException uaeEx)
        {
            signupForm.recordError("User already exists");
            return this;
        }
    }

}