StartRegistration.java from DSpace at Krugle
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/*
* StartRegistration.java
*
* Version: $Revision: 1.7 $
*
* Date: $Date: 2006/07/28 20:08:18 $
*
* Copyright (c) 2002, Hewlett-Packard Company and Massachusetts
* Institute of Technology. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - 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.
*
* - Neither the name of the Hewlett-Packard Company nor the name of the
* Massachusetts Institute of Technology nor the names of their
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS 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 COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT 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.
*/
package org.dspace.app.xmlui.aspect.eperson;
import java.io.IOException;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Map;
import org.apache.avalon.framework.parameters.Parameters;
import org.apache.cocoon.ProcessingException;
import org.apache.cocoon.caching.CacheableProcessingComponent;
import org.apache.cocoon.environment.SourceResolver;
import org.apache.excalibur.source.SourceValidity;
import org.apache.excalibur.source.impl.validity.NOPValidity;
import org.dspace.app.xmlui.cocoon.AbstractDSpaceTransformer;
import org.dspace.app.xmlui.wing.Message;
import org.dspace.app.xmlui.wing.WingException;
import org.dspace.app.xmlui.wing.element.Body;
import org.dspace.app.xmlui.wing.element.Division;
import org.dspace.app.xmlui.wing.element.Item;
import org.dspace.app.xmlui.wing.element.List;
import org.dspace.app.xmlui.wing.element.PageMeta;
import org.dspace.app.xmlui.wing.element.Text;
import org.xml.sax.SAXException;
/**
* Display the new user registration form, allowing the user to enter
* in an email address and have the system verify the email address
* before allowing the user create an account
*
* There are two parameters that may be given to the form:
*
* email - The email of the new account account
*
* retry - A boolean value indicating that the previously entered email was invalid.
*
* accountExists - A boolean value indicating the email previously entered allready
* belongs to a user.
*
* @author Scott Phillips
*/
public class StartRegistration extends AbstractDSpaceTransformer implements CacheableProcessingComponent
{
/** language strings */
private static final Message T_title =
message("xmlui.EPerson.StartRegistration.title");
private static final Message T_dspace_home =
message("xmlui.general.dspace_home");
private static final Message T_trail_new_registration =
message("xmlui.EPerson.trail_new_registration");
private static final Message T_head1 =
message("xmlui.EPerson.StartRegistration.head1");
private static final Message T_para1 =
message("xmlui.EPerson.StartRegistration.para1");
private static final Message T_reset_password_for =
message("xmlui.EPerson.StartRegistration.reset_password_for");
private static final Message T_submit_reset =
message("xmlui.EPerson.StartRegistration.submit_reset");
private static final Message T_head2 =
message("xmlui.EPerson.StartRegistration.head2");
private static final Message T_para2 =
message("xmlui.EPerson.StartRegistration.para2");
private static final Message T_email_address =
message("xmlui.EPerson.StartRegistration.email_address");
private static final Message T_email_address_help =
message("xmlui.EPerson.StartRegistration.email_address_help");
private static final Message T_error_bad_email =
message("xmlui.EPerson.StartRegistration.error_bad_email");
private static final Message T_submit_register =
message("xmlui.EPerson.StartRegistration.submit_register");
/** The email address previously entered */
private String email;
/** Determine if the user failed on their last attempt to enter an email address */
private java.util.List<String> errors;
/**
* Determine if the last failed attempt was because an account allready
* existed for the given email address
*/
private boolean accountExists;
public void setup(SourceResolver resolver, Map objectModel, String src,
Parameters parameters) throws ProcessingException, SAXException,
IOException
{
super.setup(resolver,objectModel,src,parameters);
this.email = parameters.getParameter("email","");
this.accountExists = parameters.getParameterAsBoolean("accountExists",false);
String errors = parameters.getParameter("errors","");
if (errors.length() > 0)
this.errors = Arrays.asList(errors.split(","));
else
this.errors = new ArrayList<String>();
}
/**
* Generate the unique caching key.
* This key must be unique inside the space of this component.
*/
public Serializable getKey()
{
// Only cache on the first attempt.
if (email == null && accountExists == false && errors != null && errors.size() == 0)
// cacheable
return "1";
else
// Uncachable
return "0";
}
/**
* Generate the cache validity object.
*/
public SourceValidity getValidity()
{
if (email == null && accountExists == false && errors != null && errors.size() == 0)
// Always valid
return NOPValidity.SHARED_INSTANCE;
else
// invalid
return null;
}
public void addPageMeta(PageMeta pageMeta) throws WingException
{
// Set the page title
pageMeta.addMetadata("title").addContent(T_title);
pageMeta.addTrailLink(contextPath + "/",T_dspace_home);
pageMeta.addTrail().addContent(T_trail_new_registration);
}
public void addBody(Body body) throws WingException {
if (accountExists) {
Division exists = body.addInteractiveDivision("register-account-exists",contextPath+"/register",Division.METHOD_POST,"primary");
exists.setHead(T_head1);
exists.addPara(T_para1);
List form = exists.addList("form");
form.addLabel(T_reset_password_for);
form.addItem(this.email);
form.addLabel();
Item submit = form.addItem();
submit.addButton("submit_forgot").setValue(T_submit_reset);
exists.addHidden("email").setValue(this.email);
exists.addHidden("eperson-continue").setValue(knot.getId());
}
Division register = body.addInteractiveDivision("register",
contextPath+"/register",Division.METHOD_POST,"primary");
register.setHead(T_head2);
EPersonUtils.registrationProgressList(register,1);
register.addPara(T_para2);
List form = register.addList("form",List.TYPE_FORM);
Text email = form.addItem().addText("email");
email.setRequired();
email.setLabel(T_email_address);
email.setHelp(T_email_address_help);
email.setValue(this.email);
if (errors.contains("email"))
email.addError(T_error_bad_email);
Item submit = form.addItem();
submit.addButton("submit").setValue(T_submit_register);
register.addHidden("eperson-continue").setValue(knot.getId());
}
/**
* Recycle
*/
public void recycle()
{
this.email = null;
this.errors = null;
super.recycle();
}
}
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