Java tutorial
/* * Copyright 1999-2012 Alibaba Group. * * 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 com.alibaba.cobar.manager.web.screen; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.beanutils.PropertyUtilsBean; import org.springframework.beans.factory.InitializingBean; import org.springframework.web.servlet.ModelAndView; import org.springframework.web.servlet.mvc.AbstractController; import com.alibaba.cobar.manager.dataobject.xml.ClusterDO; import com.alibaba.cobar.manager.dataobject.xml.CobarDO; import com.alibaba.cobar.manager.dataobject.xml.UserDO; import com.alibaba.cobar.manager.service.XmlAccesser; import com.alibaba.cobar.manager.util.CobarStringUtil; import com.alibaba.cobar.manager.util.FluenceHashMap; import com.alibaba.cobar.manager.util.ListSortUtil; /** * @author haiqing.zhuhq 2011-6-27 */ public class MCobarListScreen extends AbstractController implements InitializingBean { private XmlAccesser xmlAccesser; public void setXmlAccesser(XmlAccesser xmlAccesser) { this.xmlAccesser = xmlAccesser; } @Override public void afterPropertiesSet() throws Exception { if (xmlAccesser == null) { throw new IllegalArgumentException("property 'xmlAccesser' is null!"); } } @SuppressWarnings({ "unchecked" }) @Override protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response) throws Exception { UserDO user = (UserDO) request.getSession().getAttribute("user"); long clusterId = Long.parseLong(request.getParameter("clusterId")); ClusterDO cluster = xmlAccesser.getClusterDAO().getClusterById(clusterId); List<CobarDO> cobarList = xmlAccesser.getCobarDAO().getCobarList(clusterId); List<Map<String, Object>> cobarViewList = null; if (null != cobarList) { ListSortUtil.sortCobarByName(cobarList); cobarViewList = new ArrayList<Map<String, Object>>(); PropertyUtilsBean util = new PropertyUtilsBean(); for (CobarDO c : cobarList) { Map<String, Object> map = util.describe(c); map.remove("class"); map.remove("name"); map.put("name", CobarStringUtil.htmlEscapedString(c.getName())); cobarViewList.add(map); } } Map<String, Object> clusterView = new HashMap<String, Object>(); clusterView.put("id", cluster.getId()); clusterView.put("name", CobarStringUtil.htmlEscapedString(cluster.getName())); return new ModelAndView("m_cobarList", new FluenceHashMap<String, Object>().putKeyValue("cobarList", cobarViewList) .putKeyValue("user", user).putKeyValue("cluster", clusterView)); } }