Java tutorial
/** * Copyright (c) 2010--2014 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.systems.duplicate; import com.redhat.rhn.domain.rhnset.RhnSet; import com.redhat.rhn.frontend.dto.NetworkDto; 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.frontend.taglibs.list.ListTagUtil; import com.redhat.rhn.frontend.taglibs.list.helper.ListRhnSetHelper; import com.redhat.rhn.frontend.taglibs.list.helper.Listable; import com.redhat.rhn.manager.rhnset.RhnSetDecl; import com.redhat.rhn.manager.rhnset.RhnSetManager; import com.redhat.rhn.manager.system.DuplicateSystemGrouping; import com.redhat.rhn.manager.system.SystemManager; import org.apache.commons.lang.StringUtils; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionForward; import org.apache.struts.action.ActionMapping; import java.util.List; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; /** * SystemListAction * @version $Rev$ */ public class DuplicateSystemsAction extends RhnAction implements Listable<DuplicateSystemGrouping> { private static final String INACTIVE_COUNT = "inactive_count"; public static final String MAC_ADDRESS = "macaddress"; public static final String HOSTNAME = "hostname"; public static final String IPV6 = "ipv6"; /** * * {@inheritDoc} */ public ActionForward execute(ActionMapping mapping, ActionForm formIn, HttpServletRequest request, HttpServletResponse response) { RequestContext ctx = new RequestContext(request); request.setAttribute(mapping.getParameter(), mapping.getParameter()); long inactiveHours = 24; if (request.getParameter(INACTIVE_COUNT) != null) { inactiveHours = Long.parseLong(request.getParameter(INACTIVE_COUNT)); } request.setAttribute(INACTIVE_COUNT, inactiveHours); ListRhnSetHelper helper = new ListRhnSetHelper(this, request, getSetDecl()); helper.setWillClearSet(false); helper.execute(); if (helper.isDispatched()) { return mapping.findForward(RhnHelper.CONFIRM_FORWARD); } String inactiveButton = ListTagUtil.makeExtraButtonName(helper.getUniqueName()); if (!StringUtils.isBlank(request.getParameter(inactiveButton))) { List<DuplicateSystemGrouping> list = getResult(ctx); RhnSet set = helper.getSet(); for (DuplicateSystemGrouping grp : list) { for (NetworkDto dto : grp.getSystems()) { if (dto.getInactive() > 0) { set.add(dto.getId().toString()); } } } RhnSetManager.store(set); helper.resync(request); } request.setAttribute(inactiveButton, "system.select.inactive"); return mapping.findForward(RhnHelper.DEFAULT_FORWARD); } /** * {@inheritDoc} */ public List<DuplicateSystemGrouping> getResult(RequestContext contextIn) { Long count = (Long) contextIn.getRequest().getAttribute(INACTIVE_COUNT); if (contextIn.getRequest().getAttribute(HOSTNAME) != null) { return SystemManager.listDuplicatesByHostname(contextIn.getCurrentUser(), count); } else if (contextIn.getRequest().getAttribute(MAC_ADDRESS) != null) { return SystemManager.listDuplicatesByMac(contextIn.getCurrentUser(), count); } else if (contextIn.getRequest().getAttribute(IPV6) != null) { return SystemManager.listDuplicatesByIPv6(contextIn.getCurrentUser(), count); } return SystemManager.listDuplicatesByIP(contextIn.getCurrentUser(), count); } private RhnSetDecl getSetDecl() { return RhnSetDecl.DUPLICATE_SYSTEMS; } }