Java tutorial
/* * RHQ Management Platform * Copyright (C) 2005-2008 Red Hat, Inc. * All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation version 2 of the License. * * 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ package org.rhq.enterprise.gui.admin.config; import java.util.Properties; import javax.servlet.ServletContext; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; 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.rhq.core.domain.auth.Subject; import org.rhq.core.util.exception.ThrowableUtil; import org.rhq.enterprise.gui.legacy.AttrConstants; import org.rhq.enterprise.gui.legacy.action.BaseAction; import org.rhq.enterprise.gui.legacy.util.RequestUtils; import org.rhq.enterprise.gui.util.WebUtility; import org.rhq.enterprise.server.RHQConstants; import org.rhq.enterprise.server.system.SystemManagerLocal; import org.rhq.enterprise.server.util.LookupUtil; public class EditConfigAction extends BaseAction { Log log = LogFactory.getLog(EditConfigAction.class.getName()); @Override public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { ActionForward forward = checkSubmit(request, mapping, form); if (forward != null) { return forward; } Subject whoami = WebUtility.getSubject(request); SystemConfigForm cForm = (SystemConfigForm) form; ServletContext ctx = getServlet().getServletContext(); SystemManagerLocal systemManager = LookupUtil.getSystemManager(); if (cForm.isOkClicked()) { try { log.trace("Getting config"); Properties props = cForm.saveConfigProperties( systemManager.getSystemConfiguration(LookupUtil.getSubjectManager().getOverlord())); log.trace("Setting config"); if (LookupUtil.getAuthorizationManager().isSystemSuperuser(whoami) && request.getParameter("debug") != null) { /* * if the superuser is logged in and the "debug" url parameter is present, * validation will be skipped to enable special administration functions * that might violate the standard restrictions */ systemManager.setSystemConfiguration(whoami, props, true); } else { systemManager.setSystemConfiguration(whoami, props, false); } log.trace("Restarting config service"); systemManager.reconfigureSystem(whoami); if (cForm.getLdapEnabled() != null) { // cache in servlet context ctx.setAttribute(AttrConstants.JAAS_PROVIDER_CTX_ATTR, RHQConstants.LDAPJAASProvider); } else { ctx.setAttribute(AttrConstants.JAAS_PROVIDER_CTX_ATTR, RHQConstants.JDBCJAASProvider); } } catch (Exception e) { String throwableMsgs = ThrowableUtil.getAllMessages(e, true); log.error("Failed to store server settings. Cause: " + throwableMsgs); RequestUtils.setErrorObject(request, "admin.config.confirm.saveSettingsFailure", throwableMsgs); return returnFailure(request, mapping); } } RequestUtils.setConfirmation(request, "admin.config.confirm.saveSettings"); return returnSuccess(request, mapping); } }