Package org.apache.tapestry.vlib.pages

Source Code of org.apache.tapestry.vlib.pages.Register

/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000-2003 The Apache Software Foundation.  All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in
*    the documentation and/or other materials provided with the
*    distribution.
*
* 3. The end-user documentation included with the redistribution,
*    if any, must include the following acknowledgment:
*       "This product includes software developed by the
*        Apache Software Foundation (http://apache.org/)."
*    Alternately, this acknowledgment may appear in the software itself,
*    if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation", "Tapestry"
*    must not be used to endorse or promote products derived from this
*    software without prior written permission. For written
*    permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
*    or "Tapestry", nor may "Apache" or "Tapestry" appear in their
*    name, without prior written permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED.  IN NO EVENT SHALL THE TAPESTRY CONTRIBUTOR COMMUNITY
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation.  For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/

package org.apache.tapestry.vlib.pages;

import java.rmi.RemoteException;

import javax.ejb.CreateException;

import org.apache.tapestry.ApplicationRuntimeException;
import org.apache.tapestry.IRequestCycle;
import org.apache.tapestry.form.IFormComponent;
import org.apache.tapestry.html.BasePage;
import org.apache.tapestry.valid.IValidationDelegate;
import org.apache.tapestry.vlib.IErrorProperty;
import org.apache.tapestry.vlib.VirtualLibraryEngine;
import org.apache.tapestry.vlib.ejb.IOperations;
import org.apache.tapestry.vlib.ejb.Person;
import org.apache.tapestry.vlib.ejb.RegistrationException;

/**
*  Invoked from the {@link Login} page, to allow a user to register
*  into the system on-the-fly.
*
@author Howard Lewis Ship
@version $Id: Register.java,v 1.6 2003/05/28 13:41:42 hlship Exp $
*
**/

public abstract class Register extends BasePage implements IErrorProperty
{

    public abstract String getFirstName();

    public abstract String getLastName();

    public abstract String getEmail();

    public abstract String getPassword1();

    public abstract String getPassword2();

    public abstract void setPassword1(String value);

    public abstract void setPassword2(String value);

    private IValidationDelegate getValidationDelegate()
    {
        return (IValidationDelegate) getBeans().getBean("delegate");
    }

    private void setErrorField(String componentId, String message)
    {
        IValidationDelegate delegate = getValidationDelegate();
        IFormComponent field = (IFormComponent) getComponent(componentId);

        delegate.setFormComponent(field);
        delegate.record(message, null);
    }

    private void clear(String componentId)
    {
        IValidationDelegate delegate = getValidationDelegate();
        IFormComponent component = (IFormComponent) getComponent(componentId);

        delegate.setFormComponent(component);
        delegate.recordFieldInputValue(null);
    }

    public void attemptRegister(IRequestCycle cycle)
    {
        IValidationDelegate delegate = getValidationDelegate();

        String password1 = getPassword1();
        String password2 = getPassword2();

        setPassword1(null);
        setPassword2(null);

        clear("inputPassword1");
        clear("inputPassword2");

        if (delegate.getHasErrors())
            return;
        // Note: we know password1 and password2 are not null
        // because they are required fields.

        if (!password1.equals(password2))
        {
            setErrorField("inputPassword1", getMessage("password-must-match"));
            return;
        }

        VirtualLibraryEngine vengine = (VirtualLibraryEngine) getEngine();
        Login login = (Login) cycle.getPage("Login");

        int i = 0;
        while (true)
        {
            try
            {
                IOperations bean = vengine.getOperations();
                Person user =
                    bean.registerNewUser(getFirstName(), getLastName(), getEmail(), password1);

                // Ask the login page to return us to the proper place, as well
                // as set a cookie identifying the user for next time.

                login.loginUser(user, cycle);

                break;
            }
            catch (RegistrationException ex)
            {
                setError(ex.getMessage());
                return;
            }
            catch (CreateException ex)
            {
                throw new ApplicationRuntimeException(ex);
            }
            catch (RemoteException ex)
            {
                vengine.rmiFailure("Remote exception registering new user.", ex, i++);
            }
        }
    }
}
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