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.CobarAccesser; import com.alibaba.cobar.manager.service.XmlAccesser; import com.alibaba.cobar.manager.util.CobarStringUtil; import com.alibaba.cobar.manager.util.ConstantDefine; import com.alibaba.cobar.manager.util.FluenceHashMap; import com.alibaba.cobar.manager.util.ListSortUtil; /** * @author haiqing.zhuhq 2011-9-1 */ public class CobarListScreen extends AbstractController implements InitializingBean { private XmlAccesser xmlAccesser; private CobarAccesser cobarAccesser; public void setXmlAccesser(XmlAccesser xmlAccesser) { this.xmlAccesser = xmlAccesser; } public void setCobarAccesser(CobarAccesser cobarAccesser) { this.cobarAccesser = cobarAccesser; } @Override public void afterPropertiesSet() throws Exception { if (null == xmlAccesser) { throw new IllegalArgumentException("property 'xmlAccesser' is null!"); } if (null == cobarAccesser) { throw new IllegalArgumentException("property 'cobarAccesser' 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); ListSortUtil.sortCobarByName(cobarList); int aCount = xmlAccesser.getCobarDAO().getCobarList(clusterId, ConstantDefine.ACTIVE).size(); int iCount = xmlAccesser.getCobarDAO().getCobarList(clusterId, ConstantDefine.IN_ACTIVE).size(); Map<String, Integer> count = new HashMap<String, Integer>(); count.put("aCount", aCount); count.put("iCount", iCount); count.put("tCount", (aCount + iCount)); PropertyUtilsBean util = new PropertyUtilsBean(); Map<String, Object> clusterMap; try { clusterMap = util.describe(cluster); } catch (Exception ex) { throw new RuntimeException(ex); } clusterMap.remove("class"); clusterMap.remove("name"); clusterMap.remove("deployDesc"); clusterMap.put("name", CobarStringUtil.htmlEscapedString(cluster.getName())); clusterMap.put("deployDesc", CobarStringUtil.htmlEscapedString(cluster.getDeployDesc())); List<Map<String, Object>> cobarListMap = new ArrayList<Map<String, Object>>(); for (CobarDO c : cobarList) { Map<String, Object> cobarMap; try { cobarMap = util.describe(c); } catch (Exception e) { throw new RuntimeException(e); } cobarMap.remove("class"); cobarMap.remove("name"); cobarMap.put("name", CobarStringUtil.htmlEscapedString(c.getName())); cobarListMap.add(cobarMap); } return new ModelAndView("v_cobarList", new FluenceHashMap<String, Object>().putKeyValue("cluster", clusterMap) .putKeyValue("cobarList", cobarListMap).putKeyValue("count", count) .putKeyValue("user", user)); } }