Java tutorial
/* * Vulcan Build Manager * Copyright (C) 2005-2012 Chris Eldredge * * 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; either version 2 of the License, or * (at your option) any later version. * * 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., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ package net.sourceforge.vulcan.web.struts.actions; import java.util.ArrayList; import java.util.Date; import java.util.List; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import net.sourceforge.vulcan.core.BuildManager; import net.sourceforge.vulcan.exception.NoSuchProjectException; import net.sourceforge.vulcan.web.struts.forms.MultipleProjectConfigForm; 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 org.apache.struts.action.ActionMessage; import org.apache.struts.action.ActionMessages; public final class ManageLocksAction extends BaseDispatchAction { private BuildManager buildManager; public ActionForward lock(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { final MultipleProjectConfigForm configForm = (MultipleProjectConfigForm) form; if (configForm.getProjectNames() == null || configForm.getProjectNames().length == 0) { saveError(request, "projectNames", new ActionMessage("errors.required")); return mapping.getInputForward(); } try { if (buildManager.isBuildingOrInQueue(configForm.getProjectNames())) { request.setAttribute("restResponseCode", HttpServletResponse.SC_CONFLICT); saveError(request, ActionMessages.GLOBAL_MESSAGE, new ActionMessage("errors.cannot.lock.project")); return mapping.findForward("failure"); } String message = configForm.getMessage(); if (StringUtils.isBlank(message)) { message = formatMessage("messages.project.locked.by.user", getUsername(request), new Date()); } final long lockId = stateManager.lockProjects(message, configForm.getProjectNames()); request.setAttribute("lockId", lockId); saveSuccessMessage(request); return mapping.findForward("success"); } catch (NoSuchProjectException e) { saveError(request, "projectNames", new ActionMessage("errors.no.such.project", e.getMessage())); return mapping.getInputForward(); } } public ActionForward unlock(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { final String[] idStrings = request.getParameterValues("lockId"); if (idStrings == null || idStrings.length == 0) { saveError(request, "lockId", new ActionMessage("errors.required")); return mapping.getInputForward(); } final List<Long> ids = new ArrayList<Long>(idStrings.length); try { for (String str : idStrings) { ids.add(Long.valueOf(str)); } } catch (NumberFormatException e) { saveError(request, "lockId", new ActionMessage("errors.integer")); return mapping.getInputForward(); } stateManager.removeProjectLock(ids.toArray(new Long[ids.size()])); saveSuccessMessage(request); return mapping.findForward("success"); } public ActionForward clear(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { final MultipleProjectConfigForm configForm = (MultipleProjectConfigForm) form; try { stateManager.clearProjectLocks(configForm.getProjectNames()); saveSuccessMessage(request); return mapping.findForward("success"); } catch (NoSuchProjectException e) { saveError(request, "projectNames", new ActionMessage("errors.no.such.project", e.getMessage())); return mapping.getInputForward(); } } @Override protected ActionForward unspecified(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { saveError(request, "action", new ActionMessage("errors.required")); return mapping.getInputForward(); } public void setBuildManager(BuildManager buildManager) { this.buildManager = buildManager; } }