Java tutorial
/** * Copyright (c) 2009--2017 Red Hat, Inc. * * This software is licensed to you under the GNU General Public License, * version 2 (GPLv2). There is NO WARRANTY for this software, express or * implied, including the implied warranties of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2 * along with this software; if not, see * http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. * * Red Hat trademarks are not licensed under GPLv2. No permission is * granted to use or replicate Red Hat trademarks that are incorporated * in this software or its documentation. */ package com.redhat.rhn.frontend.action.multiorg; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.lang.StringEscapeUtils; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionForward; import org.apache.struts.action.ActionMapping; import org.apache.struts.action.ActionMessage; import org.apache.struts.action.ActionMessages; import org.apache.struts.action.DynaActionForm; import com.redhat.rhn.common.localization.LocalizationService; import com.redhat.rhn.common.security.PermissionException; import com.redhat.rhn.common.validator.ValidatorException; import com.redhat.rhn.domain.org.Org; import com.redhat.rhn.domain.org.OrgFactory; import com.redhat.rhn.frontend.dto.OrgDto; import com.redhat.rhn.frontend.struts.RequestContext; import com.redhat.rhn.frontend.struts.RhnAction; import com.redhat.rhn.frontend.struts.RhnHelper; import com.redhat.rhn.manager.acl.AclManager; import com.redhat.rhn.manager.org.OrgManager; /** * OrgDetailsAction extends RhnAction - Class representation of the table web_customer * @version $Rev: 1 $ */ public class OrgDetailsAction extends RhnAction { /** {@inheritDoc} */ @Override public ActionForward execute(ActionMapping mapping, ActionForm formIn, HttpServletRequest request, HttpServletResponse response) throws Exception { if (!AclManager.hasAcl("user_role(satellite_admin)", request, null)) { LocalizationService ls = LocalizationService.getInstance(); PermissionException pex = new PermissionException("Only satellite admin's can modify org names"); pex.setLocalizedTitle(ls.getMessage("permission.jsp.title.orgdetail")); pex.setLocalizedSummary(ls.getMessage("permission.jsp.summary.general")); throw pex; } ActionForward retval = mapping.findForward(RhnHelper.DEFAULT_FORWARD); DynaActionForm dynaForm = (DynaActionForm) formIn; // Let's try to limit the number of times we hydrate Org from the DB, shall we? RequestContext ctxt = new RequestContext(request); Long oid = ctxt.getRequiredParam(RequestContext.ORG_ID); Org theOrg = getOrgFor(oid); // Bolt if someone handed us a garbage OID if (theOrg == null) { getStrutsDelegate().saveMessage("api.org.nosuchorg", new String[] { oid.toString() }, request); return mapping.findForward("nosuchorg"); } if (isSubmitted(dynaForm)) { updateOrgDetails(mapping, dynaForm, request, response, oid, theOrg); retval = mapping.findForward("success"); retval = getStrutsDelegate().forwardParam(retval, "oid", oid.toString()); } else { setupFormValues(request, dynaForm, oid, theOrg); } return retval; } private Org getOrgFor(Long oid) { return OrgFactory.lookupById(oid); } private void setupFormValues(HttpServletRequest request, DynaActionForm daForm, Long oid, Org org) { OrgDto dto = OrgManager.toDetailsDto(org); daForm.set("submitted", Boolean.TRUE); daForm.set("orgName", dto.getName()); daForm.set("id", dto.getId().toString()); daForm.set("users", dto.getUsers().toString()); daForm.set("systems", dto.getSystems().toString()); daForm.set("actkeys", dto.getActivationKeys().toString()); daForm.set("ksprofiles", dto.getKickstartProfiles().toString()); daForm.set("groups", dto.getServerGroups().toString()); daForm.set("cfgchannels", dto.getConfigChannels().toString()); request.setAttribute("org", org); request.setAttribute(RequestContext.ORG_ID, oid); } /** * * @param mapping action mapping * @param dynaForm form for org details * @param request coming in * @param response going out * @param oid ID of Org we're operating on * @param org Org object for oid * @throws Exception to parent */ private void updateOrgDetails(ActionMapping mapping, DynaActionForm dynaForm, HttpServletRequest request, HttpServletResponse response, Long oid, Org org) throws Exception { RequestContext requestContext = new RequestContext(request); if (validateForm(request, dynaForm, oid, org)) { String name = dynaForm.getString("orgName"); OrgManager.renameOrg(org, name); ActionMessages msg = new ActionMessages(); msg.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("message.org_name_updated", StringEscapeUtils.escapeHtml(name))); getStrutsDelegate().saveMessages(request, msg); } } /** * * @param request coming in * @param form to validate against * @param oid ID of Org we're operating on * @param currOrg Org object for oid * @return if it passed */ private boolean validateForm(HttpServletRequest request, DynaActionForm form, Long oid, Org currOrg) { boolean retval = true; String orgName = form.getString("orgName"); RequestContext requestContext = new RequestContext(request); if (currOrg.getName().equals(orgName)) { getStrutsDelegate().saveMessage("message.org_name_not_updated", new String[] { "orgName" }, request); retval = false; } else { try { OrgManager.checkOrgName(orgName); } catch (ValidatorException ve) { getStrutsDelegate().saveMessages(request, ve.getResult()); retval = false; } } return retval; } }