Subversion Repositories general

package ak.hostadmiral.core.action;

import java.util.List;

import java.util.Collection;

import java.util.Iterator;

import java.util.Collections;

import java.util.ArrayList;

import java.util.HashSet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.apache.commons.beanutils.BeanUtils;

import org.apache.struts.action.Action;

import org.apache.struts.action.ActionMapping;

import org.apache.struts.action.ActionForm;

import org.apache.struts.action.DynaActionForm;

import org.apache.struts.action.ActionForward;

import org.apache.struts.action.ActionMessages;

import org.apache.struts.action.ActionErrors;

import org.apache.struts.action.ActionError;

import ak.strutsx.RequestUtilsX;

import ak.strutsx.ErrorHandlerX;

import ak.backpath.BackPath;

import ak.hostadmiral.util.StringConverter;

import ak.hostadmiral.util.UserException;

import ak.hostadmiral.util.CollectionInfo;

import ak.hostadmiral.core.resources.CoreResources;

import ak.hostadmiral.core.model.User;

import ak.hostadmiral.core.model.UserManager;

import ak.hostadmiral.core.model.Mailbox;

import ak.hostadmiral.core.model.MailboxManager;

import ak.hostadmiral.core.model.MailAlias;

import ak.hostadmiral.core.model.MailAliasManager;

import ak.hostadmiral.core.model.MailAliasDestination;

import ak.hostadmiral.core.model.MailAliasDestinationManager;

import ak.hostadmiral.core.model.InetDomainManager;

import ak.hostadmiral.core.servlet.SessionKeys;

import ak.hostadmiral.core.form.MailAliasDestBean;

public final class MailAliasAction

	extends Action

	implements ErrorHandlerX

{

	public static final int PAGE_SIZE = 20;

	public void handleErrors(ActionMapping mapping, ActionForm form,

			 HttpServletRequest request, HttpServletResponse response)

		throws Exception

	{

		ActionUtils.prepare(request, response);

		if("submit".equals(mapping.getParameter())) {

			User user = (User)request.getSession().getAttribute(SessionKeys.USER);

			initLists(request, user);

		}

	}

	public ActionForward execute(ActionMapping mapping, ActionForm form,

			HttpServletRequest request, HttpServletResponse response)

		throws Exception

	{

		ActionUtils.prepare(request, response);

		User user = (User)request.getSession().getAttribute(SessionKeys.USER);

		if("list".equals(mapping.getParameter())) {

			DynaActionForm theForm  = (DynaActionForm)form;

			Long           page     = StringConverter.parseLong(theForm.get("pg"));

			CollectionInfo listInfo = new CollectionInfo();

			Collection     list     = MailAliasManager.getInstance().listMailAliases(

				listInfo, PAGE_SIZE, (page == null) ? 0 : page.intValue(),

				new Integer[] { MailAliasManager.SORT_DOMAIN, MailAliasManager.SORT_ADDRESS },

				user);

			request.setAttribute("aliases",  list);

			request.setAttribute("listInfo", listInfo);

			request.setAttribute("allowedToCreate",

				Boolean.valueOf(MailAliasManager.getInstance().allowedToCreate(user)));

			return mapping.findForward("default");

		}

		else if("edit".equals(mapping.getParameter())) {

			DynaActionForm theForm = (DynaActionForm)form;

			MailAlias      alias;

			Long           aliasId = StringConverter.parseLong(theForm.get("id"));

			List           dests;

			DynaActionForm showForm = (DynaActionForm)RequestUtilsX.populateActionForm(

				this, request, "MailAliasEditForm");

			if(aliasId == null) {

				alias = MailAliasManager.getInstance().create(user);

				dests = new ArrayList();

				showForm.set("enabled", Boolean.TRUE);

			}

			else {

				alias = MailAliasManager.getInstance().get(user, aliasId);

				dests = new ArrayList(MailAliasDestinationManager.getInstance()

				      .listMailAliasesDestination(alias));

				MailAliasDestBean[] d = new MailAliasDestBean[dests.size()];

				// FIXME: sort dests here

				for(int i = 0; i < dests.size(); i++) {

					d[i] = new MailAliasDestBean((MailAliasDestination)dests.get(i));

				}

				showForm.set("dests", d);

				showForm.set("address", alias.getAddress());

				if(alias.getDomain() != null)

					showForm.set("domain", StringConverter.toString(alias.getDomain().getId()));

				if(alias.getOwner() != null)

					showForm.set("owner", StringConverter.toString(alias.getOwner().getId()));

				showForm.set("enabled", alias.getEnabled());

				showForm.set("comment", alias.getComment());

			}

			initLists(request, user);

			request.setAttribute("alias", alias);

			request.setAttribute("dests", dests);

			if(alias.editableBy(user))

				return mapping.findForward("default");

			else if(alias.mayChangeDestinations(user))

				return mapping.findForward("editdests");

			else

				return mapping.findForward("view");

		}

		else if("deleting".equals(mapping.getParameter())) {

			DynaActionForm theForm = (DynaActionForm)form;

			Long           aliasId = StringConverter.parseLong(theForm.get("id"));

			MailAlias      alias   = MailAliasManager.getInstance().get(user, aliasId);

			request.setAttribute("action", "/mail/alias/delete.do");

			request.setAttribute("object", alias);

			request.setAttribute("cascade",

				MailAliasManager.getInstance().beforeDelete(user, alias, new HashSet()));

			return mapping.findForward("default");

		}

		else if("delete".equals(mapping.getParameter())) {

			DynaActionForm theForm = (DynaActionForm)form;

			Long           aliasId = StringConverter.parseLong(theForm.get("id"));

			MailAlias      alias   = MailAliasManager.getInstance().get(user, aliasId);

			MailAliasManager.getInstance().delete(user, alias);

			response.sendRedirect(BackPath.findBackPath(request).getBackwardUrl());

			return null;

		}

		else if("submit".equals(mapping.getParameter())) {

			DynaActionForm      theForm = (DynaActionForm)form;

			Long                aliasId = StringConverter.parseLong(theForm.get("id"));

			MailAlias           alias   = (aliasId == null)

			                            ? MailAliasManager.getInstance().create(user)

										: MailAliasManager.getInstance().get(user, aliasId);

			MailAliasDestBean[] dests   = (MailAliasDestBean[])theForm.get("dests");

			// submit

			if(request.getParameter("submit") != null) {

				// FIXME: if empty element of select box is active, it will be changed

				//        by submit

				// validate required fields, because it cannot be done in general case

				if(StringConverter.isEmpty(theForm.get("address"))) {

					handleErrors(mapping, form, request, response);

					throw new UserException("ak.hostadmiral.core.mail.alias.edit.address.empty");

				}

				if(StringConverter.isEmpty(theForm.get("domain"))) {

					handleErrors(mapping, form, request, response);

					throw new UserException("ak.hostadmiral.core.mail.alias.edit.domain.wrong");

				}

				if(StringConverter.isEmpty(theForm.get("owner"))) {

					handleErrors(mapping, form, request, response);

					throw new UserException("ak.hostadmiral.core.mail.alias.edit.owner.wrong");

				}

				alias.setDomain(user, InetDomainManager.getInstance().get(user,

					StringConverter.parseLong(theForm.get("domain"))));

				String address = (String)theForm.get("address");

	            if(MailAliasManager.getInstance().addressExists(user, alias, address)) {

					handleErrors(mapping, form, request, response);

	            	throw new UserException(CoreResources.NONUNIQUE_MAIL_ALIAS_ADDRESS);

	            }

				alias.setAddress(user, address);

				alias.setOwner(user, UserManager.getInstance().get(user,

					StringConverter.parseLong(theForm.get("owner"))));

				alias.setEnabled(user, (Boolean)theForm.get("enabled"));

				alias.setComment(user, (String)theForm.get("comment"));

				alias.getDestinations(user).clear();

				for(int i = 0; i < dests.length; i++) {

					// FIXME: validate dest id, mailbox id, email

					// skip empty rows

					if((dests[i].getMailbox() == null)

							&& (dests[i].getEmail() == null || dests[i].getEmail().equals("")))

						continue;

					// get bean

					Long destId    = StringConverter.parseLong(dests[i].getId());

					Long mailboxId = StringConverter.parseLong(dests[i].getMailbox());

					MailAliasDestination dest;

					if(destId == null)

						dest = MailAliasDestinationManager.getInstance().create(user);

					else

						dest = MailAliasDestinationManager.getInstance().get(user, destId);

					// connect

					dest.setAlias(user, alias);

					alias.getDestinations(user).add(dest);

					// set mailbox or email

					if(mailboxId != null) {

						dest.setMailbox(user, MailboxManager.getInstance().get(user, mailboxId));

						dest.setEmail(user, null);

					}

					else if(dests[i].getEmail() != null && !dests[i].getEmail().equals("")) {

						dest.setMailbox(user, null);

						dest.setEmail(user, dests[i].getEmail());

					}

					dest.setEnabled(user, dests[i].getEnabled());

					dest.setComment(user, dests[i].getComment());

				}

				// update alias

				MailAliasManager.getInstance().save(user, alias);

				response.sendRedirect(BackPath.findBackPath(request).getBackwardUrl());

				return null;

			}

			// add

			else if(request.getParameter("add") != null) {

				// FIXME: if called when no entries defined two rows are created

				MailAliasDestBean[] newDests = new MailAliasDestBean[dests.length+1];

				if(dests.length > 0)

					System.arraycopy(dests, 0, newDests, 0, dests.length);

				newDests[dests.length] = new MailAliasDestBean();

				newDests[dests.length].setEnabled(Boolean.TRUE);

				theForm.set("dests", newDests);

				initLists(request, user);

				request.setAttribute("alias", alias);

				request.setAttribute("dests", newDests);

				if(alias.editableBy(user))

					return mapping.findForward("default");

				else if(alias.mayChangeDestinations(user))

					return mapping.findForward("editdests");

				else

					return mapping.findForward("view");

			}

			// delete

			else {

				Iterator iter = request.getParameterMap().keySet().iterator();

				while(iter.hasNext()) {

					String name = (String)iter.next();

					if(name.startsWith("delete.dests[")) {

						int p = name.indexOf("]");

						if(p > 0) {

							String index = name.substring("delete.dests[".length(), p);

							try {

								int n = Integer.parseInt(index);

								if(n < 0 || n >= dests.length) break;

								MailAliasDestBean[] newDests;

								newDests = new MailAliasDestBean[dests.length-1];

								if(n > 0)

									System.arraycopy(dests, 0, newDests, 0, n);

								if(n < dests.length-1)

									System.arraycopy(dests, n+1, newDests,

										n, dests.length-n-1);

								theForm.set("dests", newDests);

								request.setAttribute("dests", newDests);

								break;

							}

							catch(NumberFormatException ex) {

							}

						}

					}

				}

				initLists(request, user);

				request.setAttribute("alias", alias);

				if(alias.editableBy(user))

					return mapping.findForward("default");

				else if(alias.mayChangeDestinations(user))

					return mapping.findForward("editdests");

				else

					return mapping.findForward("view");

			}

		}

		else {

			throw new Exception("unknown mapping parameter");

		}

	}

	private void initLists(HttpServletRequest request, User user)

		throws Exception

	{

		// list of mailboxes to redirect to

		List mailboxes = new ArrayList(MailboxManager.getInstance().listMailboxes(user));

		Collections.sort(mailboxes, MailboxManager.LOGIN_COMPARATOR);

		request.setAttribute("mailboxes", mailboxes);

		List users = new ArrayList(UserManager.getInstance().listUsers(user));

		Collections.sort(users, UserManager.LOGIN_COMPARATOR);

		request.setAttribute("users", users);

		List domains = new ArrayList(InetDomainManager.getInstance().listInetDomains(user));

		Collections.sort(domains, InetDomainManager.NAME_COMPARATOR);

		request.setAttribute("domains", domains);

	}

}