// Copyright 2004 The Apache Software Foundation
//
// 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.apache.tapestry.vlib.pages.admin;
import java.rmi.RemoteException;
import java.util.Collection;
import java.util.List;
import javax.ejb.FinderException;
import javax.ejb.RemoveException;
import org.apache.hivemind.ApplicationRuntimeException;
import org.apache.tapestry.IRequestCycle;
import org.apache.tapestry.PageRedirectException;
import org.apache.tapestry.Tapestry;
import org.apache.tapestry.event.PageEvent;
import org.apache.tapestry.event.PageRenderListener;
import org.apache.tapestry.vlib.AdminPage;
import org.apache.tapestry.vlib.VirtualLibraryEngine;
import org.apache.tapestry.vlib.Visit;
import org.apache.tapestry.vlib.ejb.IOperations;
import org.apache.tapestry.vlib.ejb.Person;
/**
* Allows editting of the users. Simple flags about the
* user can be changed; additionally, the user can have their
* password reset (to a random value, which is mailed to them),
* or the user can be out-right deleted.
*
*
* @author Howard Lewis Ship
* @version $Id: EditUsers.java,v 1.15 2004/04/30 15:17:21 hlship Exp $
*
**/
public abstract class EditUsers extends AdminPage implements PageRenderListener
{
public abstract String getPassword();
public abstract void setPassword(String password);
public abstract UserListEditMap getListEditMap();
public abstract void setListEditMap(UserListEditMap listEditMap);
public abstract void setUser(Person person);
public void synchronizeUser(IRequestCycle cycle)
{
UserListEditMap map = getListEditMap();
Person user = (Person) map.getValue();
if (user == null)
{
setError(getMessage("out-of-date"));
throw new PageRedirectException(this);
}
setUser(user);
}
public void pageBeginRender(PageEvent event)
{
setupListEditMap();
}
private void setupListEditMap()
{
VirtualLibraryEngine vengine = (VirtualLibraryEngine) getEngine();
Visit visit = (Visit) vengine.getVisit();
Integer userId = visit.getUserId();
Person[] users = null;
int i = 0;
while (true)
{
try
{
IOperations operations = vengine.getOperations();
users = operations.getPersons();
break;
}
catch (RemoteException ex)
{
vengine.rmiFailure(getMessage("read-failure"), ex, i++);
}
}
UserListEditMap map = new UserListEditMap();
for (i = 0; i < users.length; i++)
{
Integer id = users[i].getId();
if (id.equals(userId))
continue;
map.add(id, users[i]);
}
setListEditMap(map);
}
/**
* Invoked when the form is submitted.
*
**/
public void updateUsers(IRequestCycle cycle)
{
if (isInError())
return;
Visit visit = (Visit) getVisit();
VirtualLibraryEngine vengine = (VirtualLibraryEngine) cycle.getEngine();
UserListEditMap map = getListEditMap();
List updatedUsers = map.getValues();
Person[] updates = (Person[]) updatedUsers.toArray(new Person[updatedUsers.size()]);
Integer[] resetPasswordUserIds = toArray(map.getResetPasswordKeys());
Integer[] deletedUserIds = toArray(map.getDeletedKeys());
String password = getPassword();
setPassword(null);
if (Tapestry.isBlank(password) && Tapestry.size(resetPasswordUserIds) != 0)
{
setErrorField("inputPassword", getMessage("need-password"));
return;
}
Integer adminId = visit.getUserId();
int i = 0;
while (true)
{
try
{
IOperations operations = vengine.getOperations();
operations.updatePersons(
updates,
resetPasswordUserIds,
password,
deletedUserIds,
adminId);
break;
}
catch (RemoteException ex)
{
vengine.rmiFailure(getMessage("update-failure"), ex, i++);
}
catch (RemoveException ex)
{
throw new ApplicationRuntimeException(ex);
}
catch (FinderException ex)
{
throw new ApplicationRuntimeException(ex);
}
}
setMessage(getMessage("users-updated"));
}
private Integer[] toArray(Collection c)
{
int count = Tapestry.size(c);
if (count == 0)
return null;
return (Integer[]) c.toArray(new Integer[count]);
}
}