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.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;

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("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("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);
        }
}