Subversion Repositories general

package ak.hostadmiral.core.action;

import java.util.List;

import java.util.Collection;

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.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.SystemUser;

import ak.hostadmiral.core.model.SystemUserManager;

import ak.hostadmiral.core.servlet.SessionKeys;

public final class SystemUserAction

	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);

			initUserList(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     = SystemUserManager.getInstance().listSystemUsers(

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

				new Integer[] { SystemUserManager.SORT_NAME }, user);

			request.setAttribute("users",    list);

			request.setAttribute("listInfo", listInfo);

			request.setAttribute("allowedToCreate",

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

			return mapping.findForward("default");

		}

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

			DynaActionForm theForm  = (DynaActionForm)form;

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

			SystemUser     u;

			DynaActionForm showForm = (DynaActionForm)RequestUtilsX.populateActionForm(

				this, request, "SystemUserEditForm");

			if(userId == null) {

				u = SystemUserManager.getInstance().create(user);

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

			}

			else {

				u = SystemUserManager.getInstance().get(user, userId);

            	showForm.set("uid",   StringConverter.toString(u.getUid()));

            	showForm.set("name",  u.getName());

                if(u.getOwner() != null)

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

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

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

			}

			initUserList(request, user);

			request.setAttribute("u", u);

			if(u.editableBy(user))

				return mapping.findForward("default");

			else

				return mapping.findForward("view");

		}

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

			DynaActionForm theForm  = (DynaActionForm)form;

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

			SystemUser     u        = SystemUserManager.getInstance().get(user, userId);

			request.setAttribute("action", "/user/system/delete.do");

			request.setAttribute("object", u);

			request.setAttribute("cascade",

				SystemUserManager.getInstance().beforeDelete(user, u, new HashSet()));

			return mapping.findForward("default");

		}

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

			DynaActionForm theForm  = (DynaActionForm)form;

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

			SystemUser     u        = SystemUserManager.getInstance().get(user, userId);

			SystemUserManager.getInstance().delete(user, u);

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

			return null;

		}

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

			DynaActionForm theForm  = (DynaActionForm)form;

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

			SystemUser     u;

			if(userId == null) {

				u = SystemUserManager.getInstance().create(user);

			}

			else {

				u = SystemUserManager.getInstance().get(user, userId);

			}

            Integer uid = StringConverter.parseInteger(theForm.get("uid"));

            if(SystemUserManager.getInstance().uidExists(user, u, uid)) {

				handleErrors(mapping, form, request, response);

            	throw new UserException(CoreResources.NONUNIQUE_SYSTEM_USER_UID);

            }

            u.setUid(user, uid);

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

            if(SystemUserManager.getInstance().nameExists(user, u, name)) {

				handleErrors(mapping, form, request, response);

            	throw new UserException(CoreResources.NONUNIQUE_SYSTEM_USER_NAME);

            }

            u.setName(user, name);

            Long ownerId = StringConverter.parseLong(theForm.get("owner"));

            if(ownerId == null)

                u.setOwner(user, null);

            else

                u.setOwner(user, UserManager.getInstance().get(user, ownerId));

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

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

			SystemUserManager.getInstance().save(user, u);

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

			return null;

		}

		else {

			throw new Exception("unknown mapping parameter");

		}

	}

	private void initUserList(HttpServletRequest request, User user)

		throws Exception

	{

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

		Collections.sort(list, UserManager.LOGIN_COMPARATOR);

		request.setAttribute("users", list);

	}

}