Java tutorial
/********************************************************************************** * $URL$ * $Id$ *********************************************************************************** * * Copyright (c) 2008 Etudes, Inc. * * Portions completed before September 1, 2008 * Copyright (c) 2007, 2008 The Regents of the University of Michigan & Foothill College, ETUDES Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * **********************************************************************************/ package org.etudes.mneme.tool; import java.io.IOException; import java.util.List; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.etudes.ambrosia.api.Context; import org.etudes.ambrosia.api.Values; import org.etudes.ambrosia.util.ControllerImpl; import org.etudes.mneme.api.AssessmentPermissionException; import org.etudes.mneme.api.Ent; import org.etudes.mneme.api.ImportService; import org.etudes.mneme.api.PoolService; import org.sakaiproject.tool.api.ToolManager; import org.sakaiproject.util.Web; /** * The /import_tq_pool view for the mneme tool. */ public class ImportTqPoolView extends ControllerImpl { /** Our log. */ private static Log M_log = LogFactory.getLog(ImportTqPoolView.class); /** Dependency: ImportService */ protected ImportService importService = null; /** Pool Service */ protected PoolService poolService = null; /** tool manager reference. */ protected ToolManager toolManager = null; /** * Shutdown. */ public void destroy() { M_log.info("destroy()"); } /** * {@inheritDoc} */ public void get(HttpServletRequest req, HttpServletResponse res, Context context, String[] params) throws IOException { // [2] pools sort if (params.length != 3) { throw new IllegalArgumentException(); } String poolsSort = params[2]; context.put("poolsSort", poolsSort); if (!this.poolService.allowManagePools(toolManager.getCurrentPlacement().getContext())) { // redirect to error res.sendRedirect(res.encodeRedirectURL(Web.returnUrl(req, "/error/" + Errors.unauthorized))); return; } // the list of importable pools for this user List<Ent> pools = this.importService.getSamigoPools(null); context.put("pools", pools); // render uiService.render(ui, context); } /** * Final initialization, once all dependencies are set. */ public void init() { super.init(); M_log.info("init()"); } /** * {@inheritDoc} */ public void post(HttpServletRequest req, HttpServletResponse res, Context context, String[] params) throws IOException { // [2] pools sort if (params.length != 3) { throw new IllegalArgumentException(); } String poolsSort = params[2]; if (!this.poolService.allowManagePools(toolManager.getCurrentPlacement().getContext())) { // redirect to error res.sendRedirect(res.encodeRedirectURL(Web.returnUrl(req, "/error/" + Errors.unauthorized))); return; } Values selectedPools = this.uiService.newValues(); context.put("selectedPools", selectedPools); // read the form String destination = uiService.decode(req, context); // import the pools if ("IMPORT".equals(destination)) { for (String id : selectedPools.getValues()) { try { this.importService.importPool(id, toolManager.getCurrentPlacement().getContext()); } catch (AssessmentPermissionException e) { // redirect to error res.sendRedirect(res.encodeRedirectURL(Web.returnUrl(req, "/error/" + Errors.unauthorized))); return; } } destination = "/pools/" + poolsSort; } res.sendRedirect(res.encodeRedirectURL(Web.returnUrl(req, destination))); } /** * Set the ImportService * * @param service * the ImportService. */ public void setImportService(ImportService service) { this.importService = service; } /** * @param poolService * the poolService to set */ public void setPoolService(PoolService poolService) { this.poolService = poolService; } /** * Set the tool manager. * * @param manager * The tool manager. */ public void setToolManager(ToolManager manager) { toolManager = manager; } }