Java tutorial
/* * NOTE: This copyright does *not* cover user programs that use HQ * program services by normal system calls through the application * program interfaces provided as part of the Hyperic Plug-in Development * Kit or the Hyperic Client Development Kit - this is merely considered * normal use of the program, and does *not* fall under the heading of * "derived work". * * Copyright (C) [2004, 2005, 2006, 2007], Hyperic, Inc. * This file is part of HQ. * * HQ is free software; you can redistribute it and/or modify * it under the terms version 2 of the GNU General Public License as * published by the Free Software Foundation. This program is distributed * in the hope that it will be useful, but WITHOUT ANY WARRANTY; without * even the implied warranty of MERCHANTABILITY or FITNESS FOR A * PARTICULAR PURPOSE. See the GNU General Public License for more * details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * USA. */ package org.hyperic.hq.ui.action.portlet.autoDisc; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; 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.tiles.ComponentContext; import org.apache.struts.tiles.actions.TilesAction; import org.hyperic.hq.appdef.shared.AIPlatformValue; import org.hyperic.hq.appdef.shared.AIQueueConstants; import org.hyperic.hq.appdef.shared.AIServerValue; import org.hyperic.hq.autoinventory.ScanStateCore; import org.hyperic.hq.bizapp.shared.AIBoss; import org.hyperic.hq.bizapp.shared.AppdefBoss; import org.hyperic.hq.bizapp.shared.AuthzBoss; import org.hyperic.hq.ui.Constants; import org.hyperic.hq.ui.WebUser; import org.hyperic.hq.ui.server.session.DashboardConfig; import org.hyperic.hq.ui.shared.DashboardManager; import org.hyperic.hq.ui.util.BizappUtils; import org.hyperic.hq.ui.util.RequestUtils; import org.hyperic.hq.ui.util.SessionUtils; import org.hyperic.util.config.ConfigResponse; import org.hyperic.util.pager.PageControl; import org.hyperic.util.pager.PageList; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.util.StopWatch; public class ViewAction extends TilesAction { private final Log log = LogFactory.getLog(ViewAction.class.getName()); private AuthzBoss authzBoss; private AIBoss aiBoss; private AppdefBoss appdefBoss; private DashboardManager dashboardManager; @Autowired public ViewAction(AuthzBoss authzBoss, AIBoss aiBoss, AppdefBoss appdefBoss, DashboardManager dashboardManager) { super(); this.authzBoss = authzBoss; this.aiBoss = aiBoss; this.appdefBoss = appdefBoss; this.dashboardManager = dashboardManager; } public ActionForward execute(ComponentContext context, ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { HttpSession session = request.getSession(); WebUser user = RequestUtils.getWebUser(request); int sessionId = user.getSessionId().intValue(); AIQueueForm queueForm = (AIQueueForm) form; PageControl page = new PageControl(); DashboardConfig dashConfig = dashboardManager .findDashboard((Integer) session.getAttribute(Constants.SELECTED_DASHBOARD_ID), user, authzBoss); ConfigResponse dashPrefs = dashConfig.getConfig(); page.setPagesize(Integer.parseInt(dashPrefs.getValue(".dashContent.autoDiscovery.range"))); StopWatch watch = new StopWatch(); if (log.isDebugEnabled()) { watch.start("getQueue"); } // always show ignored platforms and already-processed platforms PageList<AIPlatformValue> aiQueue = aiBoss.getQueue(sessionId, true, false, true, page); if (log.isDebugEnabled()) { watch.stop(); log.debug(watch.prettyPrint()); } List<AIPlatformWithStatus> queueWithStatus = getStatuses(sessionId, aiQueue); context.putAttribute("resources", queueWithStatus); // If the queue is empty, check to see if there are ANY agents // defined in HQ inventory. if (aiQueue.size() == 0) { int agentCnt = appdefBoss.getAgentCount(sessionId); request.setAttribute("hasNoAgents", new Boolean(agentCnt == 0)); } // check every box for queue Integer[] platformsToProcess = new Integer[aiQueue.size()]; List<Integer> serversToProcess = new ArrayList<Integer>(); AIPlatformValue aiPlatform; AIServerValue[] aiServers; for (int i = 0; i < platformsToProcess.length; i++) { aiPlatform = aiQueue.get(i); platformsToProcess[i] = aiPlatform.getId(); // Add all non-virtual servers on this platform aiServers = aiPlatform.getAIServerValues(); for (int j = 0; j < aiServers.length; j++) { if (!BizappUtils.isAutoApprovedServer(sessionId, appdefBoss, aiServers[j])) { serversToProcess.add(aiServers[j].getId()); } } } queueForm.setPlatformsToProcess(platformsToProcess); queueForm.setServersToProcess(serversToProcess); // clean out the return path SessionUtils.resetReturnPath(request.getSession()); // Check for previous error // First, check for ignore error. Object ignoreErr = request.getSession().getAttribute(Constants.IMPORT_IGNORE_ERROR_ATTR); if (ignoreErr != null) { ActionMessage err = new ActionMessage("dash.autoDiscovery.import.ignore.Error"); RequestUtils.setError(request, err, ActionMessages.GLOBAL_MESSAGE); // Only show the error once request.getSession().setAttribute(Constants.IMPORT_IGNORE_ERROR_ATTR, null); } // Check for import exception Exception exc = (Exception) request.getSession().getAttribute(Constants.IMPORT_ERROR_ATTR); if (exc != null) { request.getSession().removeAttribute(Constants.IMPORT_ERROR_ATTR); log.error("Failed to approve AI report", exc); ActionMessage err = new ActionMessage("dash.autoDiscovery.import.Error", exc); RequestUtils.setError(request, err, ActionMessages.GLOBAL_MESSAGE); } return null; } private List<AIPlatformWithStatus> getStatuses(int sessionId, PageList<AIPlatformValue> aiQueue) throws Exception { ScanStateCore ssc = null; List<AIPlatformWithStatus> results = new ArrayList<AIPlatformWithStatus>(); for (Iterator<AIPlatformValue> it = aiQueue.iterator(); it.hasNext();) { AIPlatformValue aiPlatform = it.next(); // FIXME: HHQ-4242: This needs to be done at the server-side / manager layer, // not at the UI layer. Re-sync the queue, ensuring the status is up-to-date aiPlatform = aiBoss.findAIPlatformById(sessionId, aiPlatform.getId().intValue()); if (aiPlatform.getQueueStatus() == AIQueueConstants.Q_STATUS_PLACEHOLDER) { it.remove(); } else { results.add(new AIPlatformWithStatus(aiPlatform, ssc)); } } return results; } }