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qiuqinjun:
你好,项目的文献能否打包学习下呢
java定时任务管理实现 -
panghaoyu:
实现一个智能提示功能需要ajax、数据库、jsp/php、算法 ...
使用jQuery Autocomplete(自动完成)插件 -
CommonAccount:
我的showModalDialog() 传对象参数,在子窗口用 ...
JS中showModalDialog (模态窗口)详细使用 -
wyfn18:
very good
使用jQuery Autocomplete(自动完成)插件 -
jiangqingtian:
xiexie
使用jQuery Autocomplete(自动完成)插件
代码清单: ==============================SQL==================================== 计划任务表 ==============================定时任务模块类==================================== 计划管理DAO接口 CmsSchedulerDao.java 计划管理DAO接口实现类 CmsSchedulerDaoImpl.java 计划任务管理服务接口 CmsSchedulerMng.java 计划任务管理服务接口实现类 CmsSchedulerMngImpl.java 定时任务管理接口 SchedulerTaskManageSvc.java 定时任务管理接口实现类 SchedulerTaskManageSvcImpl.java 定时任务接口 SchedulerTaskSvc.java 定时任务抽象实现类 AbstractSchedulerTaskSvc.java 定时任务接口-采集器实现类-多线程版 SchedulerAcquisitionSvcImpl.java 定时服务关联任务bean SchedulerTaskBean.java 计划任务Controller CmsSchedulerAct.java 持久对象基类 BaseCmsScheduler.java 持久对象 CmsScheduler.java HBM文件 CmsScheduler.hbm.xml ==============================定时任务模块相关互助类==================================== 计划框架 计划框架-任务调度 Scheduler.java 计划框架-时间生成器接口 ScheduleIterator.java 计划任务抽象类 SchedulerTask.java 计划框架-时间生成器接口实现类 SimpleScheduleIterator.java 时间计划参数bean ScheduleParamBean.java 采集相关 HTML解析工具类接口 ParseHtmlTool.java HTML解析工具,HtmlParser实现类 HtmlParserImpl.java 采集参数封装bean ParamBean.java 队列 Queue.java URL队列 UrlQueue.java 接下来是XML配置 ==============================定时任务模块XML配置==================================== dao配置 <bean id="cmsSchedulerDao" class="com.jeecms.cms.dao.assist.impl.CmsSchedulerDaoImpl"/> manage配置 <bean id="cmsSchedulerMng" class="com.jeecms.cms.manager.assist.impl.CmsSchedulerMngImpl"/> SERVICE配置 <bean id="schedulerAcquisitionSvc" class="com.jeecms.cms.service.scheduler.SchedulerAcquisitionSvcImpl"/> <bean id="schedulerTaskManageSvc" class="com.jeecms.cms.service.scheduler.SchedulerTaskManageSvcImpl"/> 接下来是messages_zh_CN.properties 添加了常量 ==============================messages_zh_CN.properties==================================== messages_zh_CN.properties 接下来是模板 ==============================模板==================================== generate_left.html 有修改 scheduler/add.html scheduler/edit.html scheduler/list.html
具体代码如下:
==============================SQL==================================== 1:计划任务表 /* MySQL Data Transfer Source Host: localhost Source Database: jeecms Target Host: localhost Target Database: jeecms Date: 2011-11-8 11:36:55 */ SET FOREIGN_KEY_CHECKS=0; -- ---------------------------- -- Table structure for jc_scheduler -- ---------------------------- CREATE TABLE `jc_scheduler` ( `scheduler_id` int(11) NOT NULL AUTO_INCREMENT COMMENT '任务主键', `site_id` int(11) DEFAULT NULL, `associate_id` int(11) DEFAULT NULL COMMENT '相关ID', `module_type` varchar(100) DEFAULT NULL COMMENT '模块类型', `name` varchar(100) DEFAULT NULL COMMENT '任务名称', `start_time` datetime DEFAULT NULL COMMENT '开始时间', `end_time` datetime DEFAULT NULL COMMENT '结束时间', `status` int(1) NOT NULL DEFAULT '0' COMMENT '当前状态(0:静止;1:采集)', `expression` varchar(50) NOT NULL COMMENT '计划表达式', PRIMARY KEY (`scheduler_id`) ) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=utf8; -- ---------------------------- -- Records -- ---------------------------- INSERT INTO `jc_scheduler` VALUES ('4', '1', '1', 'schedulerAcquisitionSvc', '测试', '2011-11-07 18:02:30', '2011-11-07 18:04:00', '0', '*,*,*,*,3,0'); INSERT INTO `jc_scheduler` VALUES ('8', '1', '5', 'schedulerAcquisitionSvc', '测试采集java', '2011-11-08 10:25:15', '2011-11-08 10:27:04', '0', '*,*,*,*,26,0'); INSERT INTO `jc_scheduler` VALUES ('9', '1', '1', 'schedulerAcquisitionSvc', '测试采集新闻', '2011-11-08 10:37:58', '2011-11-08 10:38:11', '0', '*,*,*,*,38,0');
==============================定时任务模块类==================================== 计划管理DAO接口 CmsSchedulerDao.java package com.jeecms.cms.dao.assist; import java.util.List; import com.jeecms.cms.entity.assist.CmsScheduler; import com.jeecms.common.hibernate3.Updater; /** * 计划管理DAO接口 * @author javacoo * @since 2011-11-07 */ public interface CmsSchedulerDao { public List<CmsScheduler> getList(); public List<CmsScheduler> getListBy(CmsScheduler bean); public CmsScheduler findById(Integer id); public CmsScheduler save(CmsScheduler bean); public CmsScheduler updateByUpdater(Updater<CmsScheduler> updater); public CmsScheduler deleteById(Integer id); }
计划管理DAO接口实现类 CmsSchedulerDaoImpl.java package com.jeecms.cms.dao.assist.impl; import java.util.List; import org.apache.commons.lang.StringUtils; import org.springframework.stereotype.Repository; import com.jeecms.cms.dao.assist.CmsSchedulerDao; import com.jeecms.cms.entity.assist.CmsScheduler; import com.jeecms.common.hibernate3.Finder; import com.jeecms.common.hibernate3.HibernateBaseDao; @Repository public class CmsSchedulerDaoImpl extends HibernateBaseDao<CmsScheduler, Integer> implements CmsSchedulerDao { @SuppressWarnings("unchecked") public List<CmsScheduler> getList() { Finder f = Finder.create("from CmsScheduler bean order by bean.id asc"); return find(f); } @SuppressWarnings("unchecked") public List<CmsScheduler> getListBy(CmsScheduler bean) { Finder f = Finder.create("from CmsScheduler bean"); if(StringUtils.isNotEmpty(bean.getModuleType()) && bean.getSite().getId() != null) { f.append(" where bean.moduleType=:moduleType and bean.site.id=:siteId"); f.setParam("moduleType", bean.getModuleType()); f.setParam("siteId", bean.getSite().getId()); } f.append(" order by bean.id asc"); return find(f); } public CmsScheduler findById(Integer id) { CmsScheduler entity = get(id); return entity; } public CmsScheduler save(CmsScheduler bean) { getSession().save(bean); return bean; } public CmsScheduler deleteById(Integer id) { CmsScheduler entity = super.get(id); if (entity != null) { getSession().delete(entity); } return entity; } @Override protected Class<CmsScheduler> getEntityClass() { return CmsScheduler.class; } }
计划任务管理服务接口 CmsSchedulerMng.java package com.jeecms.cms.manager.assist; import java.util.List; import com.jeecms.cms.entity.assist.CmsScheduler; /** * 计划任务管理服务接口 * @author javacoo * @since 2011-11-07 * @version 1.0 */ public interface CmsSchedulerMng { /** * 取得所有计划任务 * @return 所有计划任务 */ List<CmsScheduler> getList(); /** * 取得指定站点,指定模块所有计划任务 * @param bean 计划任务bean * @return 所有计划任务 */ List<CmsScheduler> getListBy(CmsScheduler bean); /** * 根据ID取得计划任务 * @param id * @return 计划任务 */ CmsScheduler findById(Integer id); /** * 停止指定的计划任务 * @param id */ void stop(Integer id); /** * 开始指定的计划任务 * @param id */ CmsScheduler start(Integer id); /** * 停止指定的计划任务 * @param id */ void end(Integer id); /** * 保存计划任务 * @param bean * @return */ CmsScheduler save(CmsScheduler bean); /** * 更新计划任务 * @param bean * @return */ CmsScheduler update(CmsScheduler bean); /** * 删除计划任务 * @param bean * @return */ CmsScheduler deleteById(Integer id); /** * 批量删除计划任务 * @param bean * @return */ CmsScheduler[] deleteByIds(Integer[] ids); }
计划任务管理服务接口实现类 CmsSchedulerMngImpl.java package com.jeecms.cms.manager.assist.impl; import java.util.Date; import java.util.List; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; import com.jeecms.cms.dao.assist.CmsSchedulerDao; import com.jeecms.cms.entity.assist.CmsAcquisition; import com.jeecms.cms.entity.assist.CmsScheduler; import com.jeecms.cms.manager.assist.CmsSchedulerMng; import com.jeecms.common.hibernate3.Updater; /** * 计划任务管理服务接口实现类 * @author javacoo * @since 2011-11-07 * @version 1.0 */ @Service @Transactional public class CmsSchedulerMngImpl implements CmsSchedulerMng{ @Transactional(readOnly = true) public List<CmsScheduler> getList() { return dao.getList(); } @Transactional(readOnly = true) public List<CmsScheduler> getListBy(CmsScheduler bean) { return dao.getListBy(bean); } @Transactional(readOnly = true) public CmsScheduler findById(Integer id) { CmsScheduler entity = dao.findById(id); return entity; } public void stop(Integer id) { CmsScheduler acqu = findById(id); if (acqu == null) { return; } if (acqu.getStatus() == CmsScheduler.START) { acqu.setStatus(CmsScheduler.STOP); } } public CmsScheduler start(Integer id) { CmsScheduler scheduler = findById(id); if (scheduler == null) { return scheduler; } scheduler.setStatus(CmsAcquisition.START); scheduler.setStartTime(new Date()); scheduler.setEndTime(null); return scheduler; } public void end(Integer id) { CmsScheduler scheduler = findById(id); if (scheduler == null) { return; } scheduler.setStatus(CmsAcquisition.STOP); scheduler.setEndTime(new Date()); } public CmsScheduler save(CmsScheduler bean) { bean.init(); dao.save(bean); return bean; } public CmsScheduler update(CmsScheduler bean) { Updater<CmsScheduler> updater = new Updater<CmsScheduler>(bean); bean = dao.updateByUpdater(updater); return bean; } public CmsScheduler deleteById(Integer id) { CmsScheduler bean = dao.deleteById(id); return bean; } public CmsScheduler[] deleteByIds(Integer[] ids) { CmsScheduler[] beans = new CmsScheduler[ids.length]; for (int i = 0, len = ids.length; i < len; i++) { beans[i] = deleteById(ids[i]); } return beans; } private CmsSchedulerDao dao; @Autowired public void setDao(CmsSchedulerDao dao) { this.dao = dao; } }
定时任务管理接口 SchedulerTaskManageSvc.java package com.jeecms.cms.service.scheduler; import java.util.List; import com.jeecms.cms.entity.assist.CmsScheduler; /** * 定时任务管理接口 * @author javacoo * @since 2011-11-07 */ public interface SchedulerTaskManageSvc { /** * 开始计划任务 * @param scheduler 任务对象 * @return true/false */ boolean start(CmsScheduler scheduler); /** * 结束计划任务 * @param scheduler 任务对象 * @return true/false */ boolean stop(CmsScheduler scheduler); /** * 取得关联任务map * @param scheduler 任务对象 * @return 关联任务map */ List<SchedulerTaskBean> associateTaskList(CmsScheduler scheduler); }
定时任务管理接口实现类 SchedulerTaskManageSvcImpl.java package com.jeecms.cms.service.scheduler; import java.util.List; import java.util.Map; import java.util.concurrent.ConcurrentHashMap; import org.apache.commons.lang.StringUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import com.jeecms.cms.entity.assist.CmsScheduler; import com.jeecms.common.scheduling.core.Scheduler; import com.jeecms.common.scheduling.core.SchedulerTask; import com.jeecms.common.scheduling.impl.ScheduleParamBean; import com.jeecms.common.scheduling.impl.SimpleScheduleIterator; /** * 定时任务管理服务接口实现类 * @author javacoo * @since 2011-11-07 */ @Service public class SchedulerTaskManageSvcImpl implements SchedulerTaskManageSvc { /**任务管理对象MAP*/ private static Map<Integer,TaskManage> taskManageMap = new ConcurrentHashMap<Integer, TaskManage>(); /**定时任务服务对象MAP*/ @Autowired private Map<String,SchedulerTaskSvc> schedulerTaskSvcMap; /** * 任务管理对象 * @author javacoo * @since 2011-11-07 */ private class TaskManage{ /**任务调度*/ private final Scheduler scheduler = new Scheduler(); /**任务参数bean*/ private ScheduleParamBean scheduleParamBean; /**定时任务*/ private final SchedulerTaskSvc schedulerTaskSvc; private CmsScheduler cmsScheduler; public TaskManage(SchedulerTaskSvc schedulerSvc,CmsScheduler cmsScheduler){ this.schedulerTaskSvc = schedulerSvc; this.cmsScheduler = cmsScheduler; } /** * 解析计划表达式 * @return */ private boolean parseSchedulerParam(){ scheduleParamBean = new ScheduleParamBean(); System.out.println("计划表达式:"+cmsScheduler.getExpression()); String schedulerParamStr = cmsScheduler.getExpression(); if(StringUtils.isNotEmpty(schedulerParamStr) && schedulerParamStr.contains(",")){ String[] strAarr = schedulerParamStr.split(","); if(strAarr.length == 6){ if(StringUtils.isNumeric(strAarr[0])){ scheduleParamBean.setWeekOfMonth(Integer.valueOf(strAarr[0])); } if(StringUtils.isNumeric(strAarr[1])){ scheduleParamBean.setDayOfWeek(Integer.valueOf(strAarr[1])); } if(StringUtils.isNumeric(strAarr[2])){ scheduleParamBean.setDayOfMonth(Integer.valueOf(strAarr[2])); } if(StringUtils.isNumeric(strAarr[3])){ scheduleParamBean.setHourOfDay(Integer.valueOf(strAarr[3])); } if(StringUtils.isNumeric(strAarr[4])){ scheduleParamBean.setMinute(Integer.valueOf(strAarr[4])); } if(StringUtils.isNumeric(strAarr[5])){ scheduleParamBean.setSecond(Integer.valueOf(strAarr[5])); } }else{ return false; } }else{ return false; } return true; } /** * 开始 */ public void start() { if(parseSchedulerParam()){ scheduler.schedule(new SchedulerTask() { public void run() { processer(); } private void processer() { System.out.println("============开始执行计划任务================="); schedulerTaskSvc.start(cmsScheduler); } }, new SimpleScheduleIterator(scheduleParamBean)); } } /** * 取消 */ public void cancel() { schedulerTaskSvc.stop(cmsScheduler); scheduler.cancel(); } } /** * 开始执行计划 * @param scheduler 计划对象 */ public boolean start(CmsScheduler scheduler) { SchedulerTaskSvc schedulerSvc = getSchedulerTaskSvcByModuleType(scheduler.getModuleType()); TaskManage taskManage = new TaskManage(schedulerSvc,scheduler); taskManage.start(); taskManageMap.put(scheduler.getId(), taskManage); return true; } /** * 停止执行计划 * @param scheduler 计划对象 */ public boolean stop(CmsScheduler scheduler) { TaskManage taskManage = taskManageMap.get(scheduler.getId()); taskManage.cancel(); return true; } /** * 取得计划关联的任务对象集合 * @param scheduler 计划对象 */ public List<SchedulerTaskBean> associateTaskList(CmsScheduler scheduler) { SchedulerTaskSvc schedulerSvc = getSchedulerTaskSvcByModuleType(scheduler.getModuleType()); return schedulerSvc.associateTaskList(scheduler); } /** * 根据模块的类型,取得定时任务服务对象 * @param moduleType 模块类型 */ private SchedulerTaskSvc getSchedulerTaskSvcByModuleType(String moduleType){ return schedulerTaskSvcMap.get(moduleType); } }
定时任务接口 SchedulerTaskSvc.java package com.jeecms.cms.service.scheduler; import java.util.List; import com.jeecms.cms.entity.assist.CmsScheduler; /** * 定时任务接口 * @author javacoo * @since 2011-11-04 */ public interface SchedulerTaskSvc { /** * 开始计划任务 * @param cmsScheduler 任务对象 * @return true/false */ boolean start(CmsScheduler cmsScheduler); /** * 结束计划任务 * @param cmsScheduler 任务对象 * @return true/false */ boolean stop(CmsScheduler cmsScheduler); /** * 取得关联任务map * @param cmsScheduler 任务对象 * @return 关联任务map */ List<SchedulerTaskBean> associateTaskList(CmsScheduler cmsScheduler); }
定时任务抽象实现类 AbstractSchedulerTaskSvc.java package com.jeecms.cms.service.scheduler; import java.util.List; import com.jeecms.cms.entity.assist.CmsScheduler; /** * 定时任务抽象实现类 * @author javacoo * @since 2011-11-08 */ public abstract class AbstractSchedulerTaskSvc implements SchedulerTaskSvc{ /** * 开始计划任务 * @return true/false */ public boolean start(CmsScheduler scheduler){ return execute(scheduler); } /** * 开始计划任务 * @return true/false */ public boolean stop(CmsScheduler scheduler){ return true; } /** * 取得关联任务map * @return 关联任务map */ public List<SchedulerTaskBean> associateTaskList(CmsScheduler scheduler){ return null; } protected abstract boolean execute(CmsScheduler scheduler); }
定时任务接口-采集器实现类-多线程版 SchedulerAcquisitionSvcImpl.java package com.jeecms.cms.service.scheduler; import java.io.IOException; import java.net.URI; import java.net.URISyntaxException; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.concurrent.CountDownLatch; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import org.apache.commons.lang.StringUtils; import org.apache.http.HttpEntity; import org.apache.http.HttpHost; import org.apache.http.HttpResponse; import org.apache.http.StatusLine; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.HttpClient; import org.apache.http.client.HttpResponseException; import org.apache.http.client.ResponseHandler; import org.apache.http.client.methods.HttpGet; import org.apache.http.conn.params.ConnRoutePNames; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.util.EntityUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import com.jeecms.cms.entity.assist.CmsAcquisition; import com.jeecms.cms.entity.main.Content; import com.jeecms.cms.manager.assist.CmsAcquisitionMng; import com.jeecms.common.crawler.UrlQueue; import com.jeecms.common.crawler.util.HtmlParserImpl; import com.jeecms.common.crawler.util.ParseHtmlTool; /** * 计划任务接口-采集器实现类-多线程版 * @author javacoo * @since 2011-11-02 * @version 1.0 */ @Service public class SchedulerAcquisitionSvcImpl extends AbstractSchedulerTaskSvc { private Logger log = LoggerFactory.getLogger(SchedulerAcquisitionSvcImpl.class); /**开启线程数*/ private static int THREAD_NUM = 2; /**每个线程休眠毫秒数*/ private static int SLEEP_TIME = 100; /**连接集合标志*/ private static String LINK_KEY = "linkKey"; /**标题集合标志*/ private static String TITLE_KEY = "titleKey"; /**采集管理对象*/ private CmsAcquisitionMng cmsAcquisitionMng; /**存放HttpClient的ThreadLocal对象*/ private static ThreadLocal<HttpClient> httpClientThreadLocal = new ThreadLocal<HttpClient>(); /**存放ParseHtmlTool的ThreadLocal对象*/ private static ThreadLocal<ParseHtmlTool> parseHtmlToolThreadLocal = new ThreadLocal<ParseHtmlTool>(); /**存放UrlQueue的ThreadLocal对象*/ private static ThreadLocal<UrlQueue> urlQueueThreadLocal = new ThreadLocal<UrlQueue>(); /**存放计划UrlQueue的ThreadLocal对象*/ private static ThreadLocal<UrlQueue> planUrlQueueThreadLocal = new ThreadLocal<UrlQueue>(); @Autowired public void setCmsAcquisitionMng(CmsAcquisitionMng cmsAcquisitionMng) { this.cmsAcquisitionMng = cmsAcquisitionMng; } @Override protected boolean execute(CmsScheduler scheduler) { CmsAcquisition acqu = cmsAcquisitionMng.findById(scheduler.getAssociateId()); if (acqu == null) { return false; } System.out.println("===============开始执行采集任务"); new Thread(new MainThreadProcesser(this,acqu)).start(); return true; } /** * 取得关联任务map * @return 关联任务map */ public List<SchedulerTaskBean> associateTaskList(CmsScheduler scheduler){ List<CmsAcquisition> list = cmsAcquisitionMng.getList(scheduler.getSite().getId()); List<SchedulerTaskBean> resultList = new ArrayList<SchedulerTaskBean>(); SchedulerTaskBean schedulerTaskBean = null; for(CmsAcquisition acquisition : list){ schedulerTaskBean = new SchedulerTaskBean(); schedulerTaskBean.setId(acquisition.getId()); schedulerTaskBean.setName(acquisition.getName()); resultList.add(schedulerTaskBean); } return resultList; } /** * 主线程处理类 * @author javacoo * @since 2011-11-02 */ private class MainThreadProcesser implements Runnable { private CmsAcquisition acqu; private SchedulerTaskSvc schedulerAcquisitionSvc; public MainThreadProcesser(SchedulerTaskSvc schedulerAcquisitionSvc,CmsAcquisition acqu) { this.acqu = acqu; this.schedulerAcquisitionSvc = schedulerAcquisitionSvc; } //线程锁 Object threadLock = new Object(); public void run() { long tStart = System.currentTimeMillis(); System.out.println("主线程:"+Thread.currentThread().getName() + "开始..."); try { CountDownLatch latch = new CountDownLatch(THREAD_NUM); ExecutorService exec = Executors.newCachedThreadPool(); getHttpClient().getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY,new HttpHost("128.160.64.5", 1235)); CharsetHandler handler = new CharsetHandler(acqu.getPageEncoding()); //取得当前任务所有计划 getAllPlans(acqu,getPlanUrlQueue()); //开启一线程执行抓取计划下URL Thread thread = new Thread(new FetchUrlThread(schedulerAcquisitionSvc,latch,getHttpClient(),getPlanUrlQueue(),getUrlQueue(),getParseHtmlTool(acqu),handler,threadLock)); exec.execute(thread); //开启指定数目线程执行采集内容 for(int i=0;i<THREAD_NUM;i++){ thread = new Thread(new FetchContentThread(schedulerAcquisitionSvc,acqu,latch,getHttpClient(),getUrlQueue(),getParseHtmlTool(acqu),handler,threadLock)); exec.execute(thread); } latch.await(); exec.shutdown(); } catch (InterruptedException e) { e.printStackTrace(); } finally{ httpClientThreadLocal.get().getConnectionManager().shutdown(); httpClientThreadLocal.remove(); parseHtmlToolThreadLocal.remove(); urlQueueThreadLocal.remove(); planUrlQueueThreadLocal.remove(); long tEnd = System.currentTimeMillis(); System.out.println("主线程:"+Thread.currentThread().getName() + "结束..."); System.out.println("主线程:"+Thread.currentThread().getName() + "总共用时:" + (tEnd - tStart) + "ms"); } } } /** * 采集URL线程 * @author javacoo * @since 2011-11-04 */ private class FetchUrlThread implements Runnable{ private SchedulerTaskSvc acquisitionSvc; private CountDownLatch latch; private UrlQueue urlQueue; private UrlQueue planUrlQueue; private HttpClient httpClient; private ParseHtmlTool parseHtmlTool; private CharsetHandler handler; private Object threadLock; public FetchUrlThread(SchedulerTaskSvc acquisitionSvc,CountDownLatch latch,HttpClient httpClient,UrlQueue planUrlQueue,UrlQueue urlQueue,ParseHtmlTool parseHtmlTool,CharsetHandler handler,Object threadLock){ this.acquisitionSvc = acquisitionSvc; this.latch = latch; this.urlQueue = urlQueue; this.planUrlQueue = planUrlQueue; this.httpClient = httpClient; this.parseHtmlTool = parseHtmlTool; this.handler = handler; this.threadLock = threadLock; } public void run() { System.out.println("======================采集URL子线程:"+Thread.currentThread().getName() + "开始..."); try { Map<String,String> urlMap = null; while(!urlAndTitleMapIsEmpty(planUrlQueue)) { urlMap = getUrlAndTitleMap(planUrlQueue); getAllUrls(httpClient,parseHtmlTool,handler,urlQueue,urlMap); Thread.sleep(SLEEP_TIME); } } catch (ClientProtocolException e) { e.printStackTrace(); } catch (URISyntaxException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); }finally { System.out.println("======================采集URL子线程:"+Thread.currentThread().getName() + "结束."); //通知采集内容线程开始执行 synchronized(threadLock) { threadLock.notifyAll(); } latch.countDown(); } } } /** * 采集内容线程 * @author javacoo * @since 2011-11-02 */ private class FetchContentThread implements Runnable { private SchedulerTaskSvc acquisitionSvc; private CmsAcquisition acqu; private CountDownLatch latch; private UrlQueue urlQueue; private HttpClient httpClient; private ParseHtmlTool parseHtmlTool; private CharsetHandler handler; private Object threadLock; public FetchContentThread(SchedulerTaskSvc acquisitionSvc,CmsAcquisition acqu,CountDownLatch latch,HttpClient httpClient,UrlQueue urlQueue,ParseHtmlTool parseHtmlTool,CharsetHandler handler,Object threadLock) { this.acquisitionSvc = acquisitionSvc; this.acqu = acqu; this.latch = latch; this.urlQueue = urlQueue; this.httpClient = httpClient; this.parseHtmlTool = parseHtmlTool; this.handler = handler; this.threadLock = threadLock; } public void run() { System.out.println("======================采集内容子线程:"+Thread.currentThread().getName() + "开始..."); try { //等待采集URL线程执行完毕 synchronized(threadLock) { threadLock.wait(); } Map<String,String> urlMap = null; while(!urlAndTitleMapIsEmpty(urlQueue)) { urlMap = getUrlAndTitleMap(urlQueue); saveContent(acqu,httpClient,parseHtmlTool,handler,urlMap); Thread.sleep(SLEEP_TIME); } } catch (Exception e) { e.printStackTrace(); log.warn(null, e); } finally { System.out.println("======================采集内容子线程:"+Thread.currentThread().getName() + "结束."); log.info("Acquisition#{} complete", acqu.getId()); latch.countDown(); } } } /** * 取得当前主线程的HttpClient对象 * @return 当前主线程的HttpClient对象 */ private static HttpClient getHttpClient(){ if(httpClientThreadLocal.get() == null){ HttpClient client = new DefaultHttpClient(); httpClientThreadLocal.set(client); return client; }else{ return httpClientThreadLocal.get(); } } /** * 取得当前主线程的UrlQueue对象 * @return 当前主线程的UrlQueue对象 */ private static UrlQueue getUrlQueue(){ if(urlQueueThreadLocal.get() == null){ UrlQueue urlQueue = new UrlQueue(); urlQueueThreadLocal.set(urlQueue); return urlQueue; }else{ return urlQueueThreadLocal.get(); } } /** * 取得当前主线程的计划UrlQueue对象 * @return 当前主线程的计划UrlQueue对象 */ private static UrlQueue getPlanUrlQueue(){ if(planUrlQueueThreadLocal.get() == null){ UrlQueue urlQueue = new UrlQueue(); planUrlQueueThreadLocal.set(urlQueue); return urlQueue; }else{ return planUrlQueueThreadLocal.get(); } } /** * 取得当前主线程的ParseHtmlTool对象 * @param acqu 采集参数对象 * @return 当前主线程的ParseHtmlTool对象 */ private static ParseHtmlTool getParseHtmlTool(CmsAcquisition acqu){ if(parseHtmlToolThreadLocal.get() == null){ ParseHtmlTool parseHtmlTool = new HtmlParserImpl(acqu); parseHtmlToolThreadLocal.set(parseHtmlTool); return parseHtmlTool; }else{ return parseHtmlToolThreadLocal.get(); } } /** * 连接和标题map对象入队列 * @param map 连接和标题map对象 */ private synchronized void addUrlAndTitleMap(Map<String,String> map,UrlQueue urlQueue){ System.out.println("====线程:"+Thread.currentThread().getName() + ",添加 urlQueue:"+urlQueue); urlQueue.addUnVisitedUrl(map); } /** * 连接和标题map对象出队列 * @param urlQueue 当前线程的队列 * @return 连接和标题map对象 */ private synchronized Map<String,String> getUrlAndTitleMap(UrlQueue urlQueue){ System.out.println("====线程:"+Thread.currentThread().getName() + ",取得 urlQueue:"+urlQueue); return urlQueue.unVisitedUrlDeQueue(); } /** * 判断当前对象是否为空 * @param urlQueue 当前线程的队列 * @return true/flase */ private synchronized boolean urlAndTitleMapIsEmpty(UrlQueue urlQueue){ System.out.println("====线程:"+Thread.currentThread().getName() + ",判断 urlQueue:"+urlQueue); return urlQueue.isEmpty(); } /** * 取得当前线程下所有计划,并加入队列 * @param acqu 采集参数对象 * @param urlQueue 队列 * @throws URISyntaxException * @throws IOException * @throws ClientProtocolException */ private void getAllPlans(CmsAcquisition acqu,UrlQueue urlQueue){ String[] plans = acqu.getAllPlans(); Map<String,String> planMap = new HashMap<String,String>(); for (int i = plans.length - 1; i >= 0; i--) { planMap.put(LINK_KEY, plans[i]); planMap.put(TITLE_KEY, acqu.getName()); addUrlAndTitleMap(planMap,urlQueue); } System.out.println("=======当前线程:"+Thread.currentThread().getName() + "计划URL连接数:"+urlQueue.getUnVisitedUrlNum()); } /** * 取得当前线程下所有计划的连接,并加入队列 * @param acqu 采集参数对象 * @param handler 字符集对象 * @param urlQueue 队列 * @throws URISyntaxException * @throws IOException * @throws ClientProtocolException */ private void getAllUrls(HttpClient httpClient,ParseHtmlTool parseHtmlTool,CharsetHandler handler,UrlQueue urlQueue,Map<String,String> map) throws URISyntaxException, ClientProtocolException, IOException{ HttpGet httpGet = new HttpGet(new URI(map.get(LINK_KEY).trim())); String html = httpClient.execute(httpGet, handler); for(Map<String,String> planMap : parseHtmlTool.getUrlAndTitleMap(html)){ addUrlAndTitleMap(planMap,urlQueue); } System.out.println("=======当前线程:"+Thread.currentThread().getName() + "URL连接数:"+urlQueue.getUnVisitedUrlNum()); } /** * 保存内容 * @param acqu 请求参数对象 * @param httpClient httpClient对象 * @param parseHtmlTool parseHtmlTool对象 * @param handler CharsetHandler对象 * @param map 连接和标题map对象 * @return Content */ private synchronized Content saveContent(CmsAcquisition acqu,HttpClient httpClient,ParseHtmlTool parseHtmlTool,CharsetHandler handler,Map<String,String> map) { try { HttpGet httpGet = null; if(map.get(LINK_KEY).contains("http://")){ httpGet = new HttpGet(new URI(map.get(LINK_KEY).trim())); }else{ httpGet = new HttpGet(new URI("http://localhost/v7/"+map.get(LINK_KEY).trim())); } String html = httpClient.execute(httpGet, handler); System.out.println("=============================子线程:"+Thread.currentThread().getName() + "执行"); String txt = parseHtmlTool.getHtml(html); //return cmsAcquisitionMng.saveContent(map.get(TITLE_KEY), txt,acqu.getId()); return null; } catch (Exception e) { log.warn(null, e); e.printStackTrace(); return null; } } /** * 字符集帮助类 * @author Administrator * */ private class CharsetHandler implements ResponseHandler<String> { private String charset; public CharsetHandler(String charset) { this.charset = charset; } public String handleResponse(HttpResponse response) throws ClientProtocolException, IOException { StatusLine statusLine = response.getStatusLine(); if (statusLine.getStatusCode() >= 300) { throw new HttpResponseException(statusLine.getStatusCode(), statusLine.getReasonPhrase()); } HttpEntity entity = response.getEntity(); if (entity != null) { if (!StringUtils.isBlank(charset)) { return EntityUtils.toString(entity, charset); } else { return EntityUtils.toString(entity); } } else { return null; } } } }
定时服务关联任务bean SchedulerTaskBean.java package com.jeecms.cms.service.scheduler; /** * 定时服务关联任务bean * @author javacoo * @since 2011-11-07 */ public class SchedulerTaskBean { /**任务主键*/ private Integer id; /**任务名称*/ private String name; public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } }
计划任务Controller CmsSchedulerAct.java package com.jeecms.cms.action.admin.assist; import java.util.List; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.ModelMap; import org.springframework.web.bind.annotation.RequestMapping; import com.jeecms.cms.entity.assist.CmsAcquisition; import com.jeecms.cms.entity.assist.CmsScheduler; import com.jeecms.cms.entity.main.CmsSite; import com.jeecms.cms.manager.assist.CmsSchedulerMng; import com.jeecms.cms.manager.main.CmsLogMng; import com.jeecms.cms.service.scheduler.SchedulerTaskManageSvc; import com.jeecms.cms.service.scheduler.SchedulerTaskBean; import com.jeecms.cms.web.CmsUtils; import com.jeecms.cms.web.WebErrors; /** * 计划任务Controller * @author javacoo * @since 2011-11-7 */ @Controller public class CmsSchedulerAct { private static final Logger log = LoggerFactory .getLogger(CmsSchedulerAct.class); /**日志服务*/ @Autowired private CmsLogMng cmsLogMng; /**计划管理服务*/ @Autowired private CmsSchedulerMng manager; /**计划任务管理服务*/ @Autowired private SchedulerTaskManageSvc schedulerTaskManageSvc; @RequestMapping("/scheduler/v_list.do") public String list(HttpServletRequest request, ModelMap model) { List<CmsScheduler> list = manager.getList(); model.addAttribute("list", list); return "scheduler/list"; } @RequestMapping("/scheduler/v_listBy.do") public String listBy(String moduleType,HttpServletRequest request, ModelMap model) { CmsSite site = CmsUtils.getSite(request); CmsScheduler scheduler = new CmsScheduler(); scheduler.setModuleType(moduleType); scheduler.setSite(site); List<CmsScheduler> list = manager.getListBy(scheduler); model.addAttribute("list", list); model.addAttribute("moduleType", moduleType); return "scheduler/list"; } @RequestMapping("/scheduler/v_add.do") public String add(String moduleType,HttpServletRequest request, ModelMap model) { CmsSite site = CmsUtils.getSite(request); CmsScheduler scheduler = new CmsScheduler(); scheduler.setModuleType(moduleType); scheduler.setSite(site); List<SchedulerTaskBean> schedulerTaskList = schedulerTaskManageSvc.associateTaskList(scheduler); model.addAttribute("schedulerTaskList", schedulerTaskList); model.addAttribute("moduleType", moduleType); return "scheduler/add"; } @RequestMapping("/scheduler/v_edit.do") public String edit(Integer id, HttpServletRequest request, ModelMap model) { WebErrors errors = validateEdit(id, request); if (errors.hasErrors()) { return errors.showErrorPage(model); } CmsSite site = CmsUtils.getSite(request); CmsScheduler scheduler = manager.findById(id); scheduler.setSite(site); List<SchedulerTaskBean> schedulerTaskList = schedulerTaskManageSvc.associateTaskList(scheduler); model.addAttribute("schedulerTaskList", schedulerTaskList); model.addAttribute("cmsScheduler", scheduler); return "scheduler/edit"; } @RequestMapping("/scheduler/o_save.do") public String save(CmsScheduler bean,HttpServletRequest request, ModelMap model) { CmsSite site = CmsUtils.getSite(request); bean.setSite(site); bean = manager.save(bean); model.addAttribute("moduleType", bean.getModuleType()); log.info("save CmsScheduler id={}", bean.getId()); cmsLogMng.operating(request, "cmsAcquisition.log.save", "id=" + bean.getId() + ";name=" + bean.getName()); return "redirect:v_listBy.do"; } @RequestMapping("/scheduler/o_update.do") public String update(CmsScheduler bean, HttpServletRequest request, ModelMap model) { WebErrors errors = validateUpdate(bean.getId(), request); if (errors.hasErrors()) { return errors.showErrorPage(model); } bean = manager.update(bean); log.info("update CmsAcquisition id={}.", bean.getId()); cmsLogMng.operating(request, "cmsAcquisition.log.update", "id=" + bean.getId() + ";name=" + bean.getName()); return listBy(bean.getModuleType(),request, model); } @RequestMapping("/scheduler/o_delete.do") public String delete(String moduleType,Integer[] ids, HttpServletRequest request, ModelMap model) { WebErrors errors = validateDelete(ids, request); if (errors.hasErrors()) { return errors.showErrorPage(model); } CmsScheduler[] beans = manager.deleteByIds(ids); for (CmsScheduler bean : beans) { log.info("delete CmsAcquisition id={}", bean.getId()); cmsLogMng.operating(request, "cmsScheduler.log.delete", "id=" + bean.getId() + ";name=" + bean.getName()); } return listBy(moduleType,request, model); } @RequestMapping("/scheduler/o_start.do") public String start(Integer id, HttpServletRequest request, HttpServletResponse response, ModelMap model) { CmsScheduler scheduler = manager.findById(id); schedulerTaskManageSvc.start(scheduler); manager.start(id); model.addAttribute("moduleType", scheduler.getModuleType()); log.info("start CmsAcquisition id={}", id); return "redirect:v_listBy.do"; } @RequestMapping("/scheduler/o_end.do") public String end(Integer id, HttpServletRequest request, HttpServletResponse response, ModelMap model) { manager.end(id); CmsScheduler scheduler = manager.findById(id); schedulerTaskManageSvc.stop(scheduler); model.addAttribute("moduleType", scheduler.getModuleType()); log.info("end CmsScheduler id={}", id); return "redirect:v_listBy.do"; } private WebErrors validateEdit(Integer id, HttpServletRequest request) { WebErrors errors = WebErrors.create(request); CmsSite site = CmsUtils.getSite(request); if (vldExist(id, site.getId(), errors)) { return errors; } return errors; } private WebErrors validateUpdate(Integer id, HttpServletRequest request) { WebErrors errors = WebErrors.create(request); CmsSite site = CmsUtils.getSite(request); if (vldExist(id, site.getId(), errors)) { return errors; } return errors; } private WebErrors validateDelete(Integer[] ids, HttpServletRequest request) { WebErrors errors = WebErrors.create(request); CmsSite site = CmsUtils.getSite(request); if (errors.ifEmpty(ids, "ids")) { return errors; } for (Integer id : ids) { vldExist(id, site.getId(), errors); } return errors; } private boolean vldExist(Integer id, Integer siteId, WebErrors errors) { if (errors.ifNull(id, "id")) { return true; } CmsScheduler entity = manager.findById(id); if (errors.ifNotExist(entity, CmsAcquisition.class, id)) { return true; } return false; } }
持久对象基类 BaseCmsScheduler.java package com.jeecms.cms.entity.assist.base; import java.io.Serializable; import java.util.Date; public abstract class BaseCmsScheduler implements Serializable { public static String REF = "CmsScheduler"; public static String PROP_ID = "id"; public static String PROP_SITE = "site"; public static String PROP_ASSOCIATE_ID = "associateId"; public static String PROP_MODULE_TYPE = "moduleType"; public static String PROP_NAME = "name"; public static String PROP_START_TIME = "startTime"; public static String PROP_END_TIME = "endTime"; public static String PROP_STATUS = "status"; public static String PROP_EXPRESSION = "expression"; // constructors public BaseCmsScheduler () { initialize(); } /** * Constructor for primary key */ public BaseCmsScheduler (java.lang.Integer id) { this.setId(id); initialize(); } public BaseCmsScheduler(Integer id,String name, Date startTime, Date endTime, Integer status, Integer associateId, String moduleType, String expression,com.jeecms.cms.entity.main.CmsSite site) { super(); this.id = id; this.name = name; this.startTime = startTime; this.endTime = endTime; this.status = status; this.associateId = associateId; this.moduleType = moduleType; this.expression = expression; this.site = site; } protected void initialize () {} private int hashCode = Integer.MIN_VALUE; // primary key private java.lang.Integer id; // fields private java.lang.String name; private java.util.Date startTime; private java.util.Date endTime; private java.lang.Integer status; private java.lang.Integer associateId; private java.lang.String moduleType; private java.lang.String expression; private com.jeecms.cms.entity.main.CmsSite site; public int getHashCode() { return hashCode; } public void setHashCode(int hashCode) { this.hashCode = hashCode; } public java.lang.Integer getId() { return id; } public void setId(java.lang.Integer id) { this.id = id; } public java.lang.String getName() { return name; } public void setName(java.lang.String name) { this.name = name; } public java.util.Date getStartTime() { return startTime; } public void setStartTime(java.util.Date startTime) { this.startTime = startTime; } public java.util.Date getEndTime() { return endTime; } public void setEndTime(java.util.Date endTime) { this.endTime = endTime; } public java.lang.Integer getStatus() { return status; } public void setStatus(java.lang.Integer status) { this.status = status; } public java.lang.Integer getAssociateId() { return associateId; } public void setAssociateId(java.lang.Integer associateId) { this.associateId = associateId; } public java.lang.String getModuleType() { return moduleType; } public void setModuleType(java.lang.String moduleType) { this.moduleType = moduleType; } public java.lang.String getExpression() { return expression; } public void setExpression(java.lang.String expression) { this.expression = expression; } public com.jeecms.cms.entity.main.CmsSite getSite() { return site; } public void setSite(com.jeecms.cms.entity.main.CmsSite site) { this.site = site; } } 持久对象 CmsScheduler.java package com.jeecms.cms.entity.assist; import java.util.Date; import com.jeecms.cms.entity.assist.base.BaseCmsScheduler; /** * 计划持久对象 * @author javacoo * @since 2011-11-07 */ public class CmsScheduler extends BaseCmsScheduler { private static final long serialVersionUID = 1L; /** * 停止状态 */ public static final int STOP = 0; /** * 采集状态 */ public static final int START = 1; /** * 是否停止 * * @return */ public boolean isStop() { int status = getStatus(); return status == 0; } public void init() { if (getStatus() == null) { setStatus(STOP); } } public CmsScheduler(){ super(); } public CmsScheduler(java.lang.Integer id){ super(id); } public CmsScheduler(Integer id,String name, Date startTime, Date endTime, Integer status, Integer associateId, String moduleType, String expression,com.jeecms.cms.entity.main.CmsSite site) { super(id,name,startTime,endTime,status,associateId,moduleType,expression,site); } }
HBM文件 CmsScheduler.hbm.xml <?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping package="com.jeecms.cms.entity.assist"> <class name="CmsScheduler" table="jc_scheduler"> <meta attribute="sync-DAO">false</meta> <id name="id" type="integer" column="scheduler_id"><generator class="identity"/></id> <property name="associateId" column="associate_id" type="integer" not-null="true" length="11"/> <property name="moduleType" column="module_type" type="string" not-null="false" length="100"/> <property name="name" column="name" type="string" not-null="false" length="100"/> <property name="startTime" column="start_time" type="timestamp" not-null="false" length="19"/> <property name="endTime" column="end_time" type="timestamp" not-null="false" length="19"/> <property name="status" column="status" type="integer" not-null="true" length="1"/> <property name="expression" column="expression" type="string" not-null="true" length="50"/> <many-to-one name="site" column="site_id" class="com.jeecms.cms.entity.main.CmsSite" not-null="true"></many-to-one> </class> </hibernate-mapping>
==============================定时任务模块相关互助类==================================== 计划框架 计划框架-任务调度 Scheduler.java package com.jeecms.common.scheduling.core; import java.util.Date; import java.util.Timer; import java.util.TimerTask; /** * 计划框架-任务调度 * <li> * 用于提供必要的计划,Scheduler 的每一个实例都拥有 Timer 的一个实例,用于提供底层计划 * 它将一组单次定时器串接在一起,以便在由 ScheduleIterator 指定的各个时间执行 SchedulerTask 类 * </li> * @author javacoo * @since 2011-11-02 */ public class Scheduler { /**Timer实例*/ private final Timer timer = new Timer(); /** * 定时任务计划 * @author javacoo * @since 2011-11-02 */ class SchedulerTimerTask extends TimerTask { private SchedulerTask schedulerTask; private ScheduleIterator iterator; public SchedulerTimerTask(SchedulerTask schedulerTask, ScheduleIterator iterator) { this.schedulerTask = schedulerTask; this.iterator = iterator; } public void run() { schedulerTask.run(); reschedule(schedulerTask, iterator); } } public Scheduler() { } /** * 取消执行 */ public void cancel() { timer.cancel(); } /** * 计划的入口点 * <li> * 通过调用 ScheduleIterator 接口的 next(),发现第一次执行 SchedulerTask 的时间。 * 然后通过调用底层 Timer 类的单次 schedule() 方法,启动计划在这一时刻执行。 * 为单次执行提供的 TimerTask 对象是嵌入的 SchedulerTimerTask 类的一个实例, * 它包装了任务和迭代器(iterator)。在指定的时间,调用嵌入类的 run() 方法, * 它使用包装的任务和迭代器引用以便重新计划任务的下一次执行 * </li> * @param schedulerTask SchedulerTimerTask 类的一个实例 * @param iterator ScheduleIterator 接口的一个实例 */ public void schedule(SchedulerTask schedulerTask, ScheduleIterator iterator) { Date time = iterator.next(); if (time == null) { schedulerTask.cancel(); } else { synchronized (schedulerTask.lock) { if (schedulerTask.state != SchedulerTask.VIRGIN) { throw new IllegalStateException("任务已经执行/取消"); } schedulerTask.state = SchedulerTask.SCHEDULED; schedulerTask.timerTask = new SchedulerTimerTask(schedulerTask,iterator); timer.schedule(schedulerTask.timerTask, time); } } } /** * 重新制定计划 * @param schedulerTask SchedulerTimerTask 类的一个实例 * @param iterator ScheduleIterator 接口的一个实例 */ private void reschedule(SchedulerTask schedulerTask, ScheduleIterator iterator) { Date time = iterator.next(); if (time == null) { schedulerTask.cancel(); } else { synchronized (schedulerTask.lock) { if (schedulerTask.state != SchedulerTask.CANCELLED) { schedulerTask.timerTask = new SchedulerTimerTask( schedulerTask, iterator); timer.schedule(schedulerTask.timerTask, time); } } } } }
计划框架-时间生成器接口 ScheduleIterator.java package com.jeecms.common.scheduling.core; import java.util.Date; /** * 计划框架-时间生成器接口 * <li>将 SchedulerTask 的计划执行时间指定为一系列 java.util.Date 对象的接口 * 然后 next() 方法按时间先后顺序迭代 Date 对象,返回值 null 会使任务取消(即它再也不会运行)</li> * @author javacoo * @since 2011-11-02 */ public interface ScheduleIterator { /** * 返回下次计划执行时间 * @return 下次计划执行时间 */ Date next(); }
计划任务抽象类 SchedulerTask.java package com.jeecms.common.scheduling.core; import java.util.TimerTask; /** * 计划任务抽象类 * <li> * SchedulerTask 在其生命周期中要经历一系列的状态。创建后,它处于 VIRGIN 状态, * 这表明它从没有计划过。计划以后,它就变为 SCHEDULED 状态, * 再用下面描述的方法之一取消任务后,它就变为 CANCELLED 状态。 * 管理正确的状态转变 —— 如保证不对一个非 VIRGIN 状态的任务进行两次计划 —— * 增加了 Scheduler 和 SchedulerTask 类的复杂性。在进行可能改变任务状态的操作时, * 代码必须同步任务的锁对象 * </li> * @author javacoo * @since 2011-11-02 */ public abstract class SchedulerTask implements Runnable { /**同步任务的锁对象*/ final Object lock = new Object(); /**状态*/ int state = VIRGIN; /**初始状态*/ static final int VIRGIN = 0; /**任务状态*/ static final int SCHEDULED = 1; /**取消状态*/ static final int CANCELLED = 2; /**TimerTask 对象*/ TimerTask timerTask; protected SchedulerTask() { } /**执行的任务,由子类实现*/ public abstract void run(); /**取消任务 * <li> * 任务再也不会运行了,不过已经运行的任务仍会运行完成 * </li> */ public boolean cancel() { synchronized (lock) { if (timerTask != null) { timerTask.cancel(); } boolean result = (state == SCHEDULED); state = CANCELLED; return result; } } public long scheduledExecutionTime() { synchronized (lock) { return timerTask == null ? 0 : timerTask.scheduledExecutionTime(); } } }
计划框架-时间生成器接口实现类 SimpleScheduleIterator.java package com.jeecms.common.scheduling.impl; import java.util.Calendar; import java.util.Date; import java.util.GregorianCalendar; import com.jeecms.common.scheduling.core.ScheduleIterator; /** * 计划框架-时间生成器接口实现类 * <li>返回 月/周/天/小时/分钟/秒 计划的下一次执行时间</li> * <li>约定:参数以逗号分隔,*号表示无值</li> * <li>参数解释: * <br>第一位:每个月的第几周</br> * <br>第二位:每周的第几天</br> * <br>第三位:天(几号)</br> * <br>第四位:小时(24小时制)</br> * <br>第五位:分钟</br> * <br>第六位:秒</br> * </li> * <li>参数样例: * <br> 1,6,4,15,20,30 表示 从今天的15:20:30开始,每隔一个月执行一次,即下次执行时间是 下个月的第一周的第6天的15:20:30</br> * <br> *,6,4,15,20,30 表示 从今天的15:20:30开始,每隔一周执行一次,即下次执行时间是 下一周的第6天的15:20:30</br> * <br> *,*,4,15,20,30 表示 从今天的15:20:30开始,每隔一天执行一次,即下次执行时间是 下一天的15:20:30</br> * <br> *,*,*,15,20,30 表示 从今天的15:20:30开始,每隔一小时执行一次,即下次执行时间是 16:20:30</br> * <br> *,*,*,*,20,30 表示 从这个小时的20:30开始,每隔一分钟执行一次,即下次执行时间是 *:21:30</br> * <br> *,*,*,*,*,30 表示 从当前时间的30秒开始,每隔一秒执行一次,即下次执行时间是 *:*:31</br> * </li> * @author javacoo * @since 2011-11-03 */ public class SimpleScheduleIterator implements ScheduleIterator { private final ScheduleParamBean scheduleParamBean; private final Calendar calendar = Calendar.getInstance(); private final Calendar orginCalendar = Calendar.getInstance(); public SimpleScheduleIterator(final ScheduleParamBean scheduleParamBean) { this(scheduleParamBean, new Date()); } public SimpleScheduleIterator(final ScheduleParamBean scheduleParamBean, Date date) { this.scheduleParamBean = scheduleParamBean; orginCalendar.setTime(date); calendar.setTime(date); if(null != scheduleParamBean.getWeekOfMonth()){ calendar.set(Calendar.WEEK_OF_MONTH, scheduleParamBean.getWeekOfMonth()); } //如果设置了每周的第几天和一个月的第几天,则忽略一个月的第几天 if(null != scheduleParamBean.getDayOfWeek()){ calendar.set(Calendar.DAY_OF_WEEK, scheduleParamBean.getDayOfWeek()); }else if(null != scheduleParamBean.getDayOfMonth()){ calendar.set(Calendar.DAY_OF_MONTH, scheduleParamBean.getDayOfMonth()); } if(null != scheduleParamBean.getHourOfDay()){ calendar.set(Calendar.HOUR_OF_DAY, scheduleParamBean.getHourOfDay()); } if(null != scheduleParamBean.getMinute()){ calendar.set(Calendar.MINUTE, scheduleParamBean.getMinute()); } if(null != scheduleParamBean.getSecond()){ calendar.set(Calendar.SECOND, scheduleParamBean.getSecond()); } calendar.set(Calendar.MILLISECOND, 0); //如果设置时间 大于当前时间 if (!calendar.getTime().before(date)) { System.out.println(calendar.getTime() +"大于当前时间:"+date); if(null != scheduleParamBean.getWeekOfMonth()){ calendar.add(Calendar.MONTH, -1); }else if(null != scheduleParamBean.getDayOfWeek()){ calendar.add(Calendar.DAY_OF_WEEK, -6); }else if(null != scheduleParamBean.getDayOfMonth()){ calendar.add(Calendar.DAY_OF_MONTH, -1); }else if(null != scheduleParamBean.getHourOfDay()){ calendar.add(Calendar.HOUR_OF_DAY, -1); }else if(null != scheduleParamBean.getMinute()){ calendar.add(Calendar.MINUTE, -1); }else if(null != scheduleParamBean.getSecond()){ calendar.add(Calendar.SECOND, -1); } }else{//如果小于,则会一下执行多次,所以在天,小时,分钟,秒 都加上相应时间差 System.out.println(calendar.getTime() +"小于当前时间:"+date); if(null != scheduleParamBean.getDayOfMonth()){ calendar.add(Calendar.DAY_OF_MONTH, orginCalendar.get(Calendar.DAY_OF_MONTH) - scheduleParamBean.getDayOfMonth()); }else if(null != scheduleParamBean.getHourOfDay()){ calendar.add(Calendar.HOUR_OF_DAY, orginCalendar.get(Calendar.HOUR_OF_DAY) - scheduleParamBean.getHourOfDay()); }else if(null != scheduleParamBean.getMinute()){ calendar.add(Calendar.MINUTE, orginCalendar.get(Calendar.MINUTE) - scheduleParamBean.getMinute()); }else if(null != scheduleParamBean.getSecond()){ calendar.add(Calendar.SECOND, orginCalendar.get(Calendar.SECOND) - scheduleParamBean.getSecond()); } } } public Date next() { if(null != scheduleParamBean.getWeekOfMonth()){ calendar.add(Calendar.MONTH, 1); }else if(null != scheduleParamBean.getDayOfWeek()){ calendar.add(Calendar.DAY_OF_WEEK, 6); }else if(null != scheduleParamBean.getDayOfMonth()){ calendar.add(Calendar.DAY_OF_MONTH, 1); }else if(null != scheduleParamBean.getHourOfDay()){ calendar.add(Calendar.HOUR_OF_DAY, 1); }else if(null != scheduleParamBean.getMinute()){ calendar.add(Calendar.MINUTE, 1); }else if(null != scheduleParamBean.getSecond()){ calendar.add(Calendar.SECOND, 1); } System.out.println("下次执行时间:"+calendar.getTime()); return calendar.getTime(); } } 时间计划参数bean ScheduleParamBean.java package com.jeecms.common.scheduling.impl; /** * 时间计划参数bean * @author javacoo * @since 2011-11-04 */ public class ScheduleParamBean { /**每个月的第几周,每周的第几天,每个月的第几天,小时(24小时制),分钟,秒*/ private Integer weekOfMonth,dayOfWeek,dayOfMonth,hourOfDay, minute, second; public ScheduleParamBean(){ } public ScheduleParamBean(Integer weekOfMonth, Integer dayOfWeek, Integer dayOfMonth, Integer hourOfDay, Integer minute, Integer second) { super(); this.weekOfMonth = weekOfMonth; this.dayOfWeek = dayOfWeek; this.dayOfMonth = dayOfMonth; this.hourOfDay = hourOfDay; this.minute = minute; this.second = second; } public Integer getWeekOfMonth() { return weekOfMonth; } public void setWeekOfMonth(Integer weekOfMonth) { this.weekOfMonth = weekOfMonth; } public Integer getDayOfWeek() { return dayOfWeek; } public void setDayOfWeek(Integer dayOfWeek) { this.dayOfWeek = dayOfWeek; } public Integer getDayOfMonth() { return dayOfMonth; } public void setDayOfMonth(Integer dayOfMonth) { this.dayOfMonth = dayOfMonth; } public Integer getHourOfDay() { return hourOfDay; } public void setHourOfDay(Integer hourOfDay) { this.hourOfDay = hourOfDay; } public Integer getMinute() { return minute; } public void setMinute(Integer minute) { this.minute = minute; } public Integer getSecond() { return second; } public void setSecond(Integer second) { this.second = second; } @Override public String toString() { return "ScheduleParamBean [dayOfMonth=" + dayOfMonth + ", dayOfWeek=" + dayOfWeek + ", hourOfDay=" + hourOfDay + ", minute=" + minute + ", second=" + second + ", weekOfMonth=" + weekOfMonth + "]"; } }
采集相关 HTML解析工具类接口 ParseHtmlTool.java package com.jeecms.common.crawler.util; import java.util.List; import java.util.Map; /** * HTML解析工具类接口 * @author javacoo * @since 2011-10-31 */ public interface ParseHtmlTool { /** * 取得连接集合 * @param orginHtml 原始HTML * @return 连接集合 */ List<String> getUrlList( String orginHtml); /** * 取得标题集合 * @param orginHtml 原始HTML * @return 标题集合 */ List<String> getTitleList(String orginHtml); /** * 取得指定区域的HTML内容 * @return 指定区域的HTML内容 */ String getHtml(String orginHtml); /** * 取得连接标题Map集合 * @param orginHtml 原始HTML * @return 连接标题Map集合 */ List<Map<String,String>> getUrlAndTitleMap(String orginHtml); }
HTML解析工具,HtmlParser实现类 HtmlParserImpl.java package com.jeecms.common.crawler.util; import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStreamReader; import java.net.URISyntaxException; import java.util.ArrayList; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.regex.Matcher; import java.util.regex.Pattern; import org.apache.commons.lang.StringUtils; import org.htmlparser.Node; import org.htmlparser.NodeFilter; import org.htmlparser.Parser; import org.htmlparser.filters.HasAttributeFilter; import org.htmlparser.filters.NodeClassFilter; import org.htmlparser.filters.TagNameFilter; import org.htmlparser.nodes.RemarkNode; import org.htmlparser.util.NodeList; import org.htmlparser.util.ParserException; import com.jeecms.cms.entity.assist.CmsAcquisition; import com.jeecms.common.crawler.ParamBean; /** * HTML解析工具,HtmlParser实现类 * @author javacoo * @since 2011-10-31 */ public class HtmlParserImpl implements ParseHtmlTool{ /**连接集合标志*/ private static String LINK_KEY = "linkKey"; /**标题集合标志*/ private static String TITLE_KEY = "titleKey"; /**单标签标志*/ private static String SINGLE_TAG = "singleTag"; /**连接正则表达式*/ private static String LINK_REGX = "<a.*href=\"(.*?)\".*>(.*?)</a>"; /**正则表达式对象*/ private Pattern pt = Pattern.compile(LINK_REGX); /**采集参数bean*/ private ParamBean paramBean; public HtmlParserImpl(CmsAcquisition acqu){ parseRequestParam(acqu); } /** * 取得标题集合 * @param orginHtml 原始HTML * @return 标题集合 */ public List<String> getTitleList(String orginHtml) { orginHtml = getHtmlByFilter(paramBean.getLinksetStartMap(), paramBean.getLinksetEndMap(),orginHtml); if (StringUtils.isNotEmpty(orginHtml)) { return getUrlOrTitleListByType(orginHtml,TITLE_KEY); } return null; } /** * 取得连接集合 * @param orginHtml 原始HTML * @return 连接集合 */ public List<String> getUrlList(String orginHtml) { orginHtml = getHtmlByFilter(paramBean.getLinksetStartMap(), paramBean.getLinksetEndMap(),orginHtml); if (StringUtils.isNotEmpty(orginHtml)) { return getUrlOrTitleListByType(orginHtml,LINK_KEY); } return null; } /** * 取得指定区域的HTML内容 * @param orginHtml 原始HTML * @return 指定区域的HTML内容 * @throws ParserException */ public String getHtml(String orginHtml) { orginHtml = getHtmlByFilter(paramBean.getContentStartMap(), paramBean.getContentEndMap(),orginHtml); return orginHtml; } /** * 取得连接标题Map * @param orginHtml 原始HTML * @return 连接标题Map */ public List<Map<String,String>> getUrlAndTitleMap(String orginHtml){ return getUrlAandTitleMap(orginHtml); } /** * 解析采集参数,并封装到ParamBean * @param acqu 原始采集参数 * @return 采集参数封装bean */ private void parseRequestParam(CmsAcquisition acqu){ paramBean = new ParamBean(); if(!StringUtils.isEmpty(acqu.getLinksetStart())){ paramBean.setLinksetStartMap(populateParamMap(acqu.getLinksetStart())); } if(!StringUtils.isEmpty(acqu.getLinksetEnd())){ paramBean.setLinksetEndMap(populateParamMap(acqu.getLinksetEnd())); } if(!StringUtils.isEmpty(acqu.getContentStart())){ paramBean.setContentStartMap(populateParamMap(acqu.getContentStart())); } if(!StringUtils.isEmpty(acqu.getContentEnd())){ paramBean.setContentEndMap(populateParamMap(acqu.getContentEnd())); } } /** * 得到连接标题MAP * @param html html内容 * @return 连接或者标题集合 */ private List<Map<String,String>> getUrlAandTitleMap(String html) { html = getHtmlByFilter(paramBean.getLinksetStartMap(), paramBean.getLinksetEndMap(),html); List<Map<String,String>> resultMapList = new ArrayList<Map<String,String>>(); Map<String,String> resultMap = null; Matcher m = pt.matcher(html); while (m.find()) { if(StringUtils.isNotEmpty(m.group(1)) && StringUtils.isNotEmpty(m.group(2))){ resultMap = new HashMap<String, String>(); resultMap.put(LINK_KEY, m.group(1)); resultMap.put(TITLE_KEY, m.group(2)); resultMapList.add(resultMap); } } return resultMapList; } /** * 得到地址集 * @param html html内容 * @param type 1 :取得连接集合,2:取得标题集合 * @return 连接或者标题集合 */ private List<String> getUrlOrTitleListByType(String html, String type) { List<String> resultList = new ArrayList<String>(); Matcher m = pt.matcher(html); String result = ""; int pos = 1; if(TITLE_KEY.equals(type)){ pos = 2; } while (m.find()) { result = m.group(pos); resultList.add(result); } return resultList; } /** * 取得指定区域的HTML内容 * @param tagMap 标签MAP * @param removeTagMap 要过滤的标签MAP * @param orginHtml 原始HTML * @return 指定区域的HTML内容 * @throws ParserException */ private String getHtmlByFilter(Map<String, String> tagMap, Map<String, String> removeTagMap, String orginHtml) { try { Parser parser = new Parser(); parser.setInputHTML(orginHtml); // 第一步取得指定属性/标签内容 String tempKey = null; String tempValue = null; String[] tempValueArr = null; StringBuilder sb = new StringBuilder(); NodeFilter filter = null; for(Iterator<String> it = tagMap.keySet().iterator(); it.hasNext();){ tempKey = it.next(); tempValue = tagMap.get(tempKey); if(tempValue.contains("|")){ tempValueArr = tempValue.split("\\|"); }else{ tempValueArr = new String[]{tempValue}; } for(String value : tempValueArr){ filter = populateFilter(tempKey,value); appendHtmlByFilter(parser, filter, sb); } } // 第二步过滤指定属性/标签内容 String contentHtml = sb.toString(); for (Iterator<String> it = removeTagMap.keySet().iterator(); it .hasNext();) { tempKey = it.next(); tempValue = removeTagMap.get(tempKey); if(tempValue.contains("|")){ tempValueArr = tempValue.split("\\|"); }else{ tempValueArr = new String[]{tempValue}; } for(String value : tempValueArr){ filter = populateFilter(tempKey,value); contentHtml = removeHtmlByFilter(parser, filter, contentHtml); } } //第三步过滤注释 filter = new NodeClassFilter(RemarkNode.class); contentHtml = removeHtmlByFilter(parser, filter, contentHtml); System.out.println("=================================结果======================================="); System.out.println(contentHtml); return contentHtml; } catch (ParserException e) { // TODO Auto-generated catch block e.printStackTrace(); } return ""; } /** * 解析并组装采集参数,支持标签属性/值形式和标签名称形式,可混合使用 * <li>约定采集参数格式如下</li> * <li>1,标签属性/值形式,如:class=articleList|tips,id=fxwb|fxMSN|fxMSN</li> * <li>2,标签名称形式,如:div,p,span</li> * <li>3,混合形式,如:class=articleList|tips,id=fxwb|fxMSN|fxMSN,div,p,span</li> * @param paramStr 参数字符串 */ private Map<String, String> populateParamMap(String paramStr) { Map<String, String> paramMap = new HashMap<String, String>(); String[] paramStrArr = paramStr.split(","); String[] tempStrArr = null; StringBuilder sb = new StringBuilder(); for(String temp : paramStrArr){ if(temp.contains("=")){ tempStrArr = temp.split("="); paramMap.put(tempStrArr[0], tempStrArr[1]); }else{ if(StringUtils.isNotEmpty(temp)){ sb.append(temp).append("|"); } } } if(StringUtils.isNotEmpty(sb.toString())){ paramMap.put(SINGLE_TAG, sb.substring(0, sb.length() - 1)); } return paramMap; } /** * 组装过滤器 * @param key 键 * @param value 值 * @return 过滤器 */ private NodeFilter populateFilter(String key,String value) { NodeFilter filter; if(SINGLE_TAG.equals(key)){ filter = new TagNameFilter(value); }else{ filter = new HasAttributeFilter(key,value); } return filter; } /** * 过滤指定属性标签HTML * @param parser 解析器 * @param filter 属性过滤器 * @param orginHtml 原始HTML * @return 过滤后HTML * @throws ParserException */ private String removeHtmlByFilter(Parser parser, NodeFilter filter,String orginHtml) throws ParserException { parser.setInputHTML(orginHtml); NodeList nodes = parser.extractAllNodesThatMatch(filter); for (int i = 0; i < nodes.size(); i++) { Node textnode = (Node) nodes.elementAt(i); orginHtml = StringUtils.remove(orginHtml, textnode.toHtml()); } return orginHtml; } /** * 取得所有指定属性/标签的HTML * @param parser 解析器 * @param filter 过滤器 * @param sb * @throws ParserException */ private void appendHtmlByFilter(Parser parser, NodeFilter filter, StringBuilder sb) throws ParserException { NodeList nodes = parser.extractAllNodesThatMatch(filter); for (int i = 0; i < nodes.size(); i++) { Node textnode = (Node) nodes.elementAt(i); sb.append(textnode.toHtml()); } } /** * 解析并组装采集参数,支持标签属性/值形式和标签名称形式,可混合使用 * <li>约定采集参数格式如下</li> * <li>1,标签属性/值形式,如:class=articleList|tips,id=fxwb|fxMSN|fxMSN</li> * <li>2,标签名称形式,如:div,p,span</li> * <li>3,混合形式,如:class=articleList|tips,id=fxwb|fxMSN|fxMSN,div,p,span</li> * @param paramMap 参数map * @param str 参数字符串 */ private void populateParamMap(Map<String, String> paramMap,String paramStr) { String[] paramStrArr = paramStr.split(","); String[] tempStrArr = null; StringBuilder sb = new StringBuilder(); for(String temp : paramStrArr){ if(temp.contains("=")){ tempStrArr = temp.split("="); paramMap.put(tempStrArr[0], tempStrArr[1]); }else{ if(StringUtils.isNotEmpty(temp)){ sb.append(temp).append("|"); } } } if(StringUtils.isNotEmpty(sb.toString())){ paramMap.put(SINGLE_TAG, sb.substring(0, sb.length() - 1)); } } /** * 测试方法-打开文件并返回内容 * @param szFileName 文件绝对地址 * @param charset 字符集 * @return 内容 */ public static String openFile(String szFileName,String charset) { try { BufferedReader bis = new BufferedReader(new InputStreamReader( new FileInputStream(new File(szFileName)), charset)); StringBuilder szContent = new StringBuilder(); String szTemp; while ((szTemp = bis.readLine()) != null) { szContent.append(szTemp).append("\n"); } bis.close(); return szContent.toString(); } catch (Exception e) { return ""; } } /** * 测试取得连接地址和标题 * @throws ParserException */ public void testFetchLinkAndTitle() throws ParserException{ String html = openFile("F:\\4.htm","UTF-8"); String result = ""; Map<String, String> map = new HashMap<String, String>(); map.put("class", "m_list"); Map<String, String> notMap = new HashMap<String, String>(); //notMap.put("class", "atc_ic_f"); result = getHtmlByFilter(map,notMap,html); System.out.println("=============================result============================"); System.out.println(result); System.out.println("=========================================================="); Pattern pt = Pattern.compile("<a.*href=\"(.*?)\".*>(.*?)</a>"); Matcher m = pt.matcher(result); String link = null; String title = null; while (m.find()) { link = m.group(1); title = m.group(2); if (StringUtils.isNotEmpty(link)) { System.out.println("url : " + link); System.out.println("title : " + title); } } } /** * 测试取得内容 * @throws ParserException */ public void testFetchContent() throws ParserException{ String html = openFile("F:\\6.shtml","GB2312"); Map<String, String> map = new HashMap<String, String>(); map.put("id", "artibody"); Map<String, String> notMap = new HashMap<String, String>(); notMap.put(SINGLE_TAG, "style|script"); notMap.put("type", "text/javascript"); notMap.put("class", "icon_fx|blkComment otherContent_01"); notMap.put("style", "text-align: right;padding-right:10px;|margin-top:6px;|font-size: 12px ! important;|font-size:12px"); notMap.put("id", "fxwb|fxMSN|fxMSN|comment_t_show_top"); getHtmlByFilter(map,notMap,html); } /** * 测试解析参数 */ public void testParseParam(){ Map<String, String> map = new HashMap<String, String>(); populateParamMap(map,"class=articleList|tips,p,div"); String tempKey = null; String tempValue = null; String[] tempValueArr = null; for (Iterator<String> it = map.keySet().iterator(); it.hasNext();) { tempKey = it.next(); tempValue = map.get(tempKey); if(tempValue.contains("|")){ tempValueArr = tempValue.split("\\|"); }else{ tempValueArr = new String[]{tempValue}; } for(String value : tempValueArr){ System.out.println("tempKey:" + tempKey); System.out.println("value:" + value); } } } /** * 测试过滤标签 * @throws ParserException */ public void testRemarkFilter() throws ParserException{ String html = openFile("F:\\6.shtml","GB2312"); System.out.println("=========================过滤注释前HTML=================================="); System.out.println(html); NodeFilter filter = new NodeClassFilter(RemarkNode.class); html = removeHtmlByFilter(new Parser(), filter, html); System.out.println("=========================过滤注释后HTML=================================="); System.out.println(html); } public static void main(String[] args) throws ParserException, URISyntaxException, IOException { HtmlParserImpl parseHtmlTool = new HtmlParserImpl(new CmsAcquisition()); //parseHtmlTool.testParseParam(); //parseHtmlTool.testFetchLinkAndTitle(); //parseHtmlTool.testFetchContent(); //parseHtmlTool.testRemarkFilter(); } }
采集参数封装bean ParamBean.java package com.jeecms.common.crawler; import java.util.HashMap; import java.util.Map; /** * 采集参数封装bean * @author javacoo * @since 2011-10-31 */ public class ParamBean { /**待采集连接区域属性MAP*/ private Map<String, String> linksetStartMap = new HashMap<String, String>(); /**待采集连接区域过滤属性MAP*/ private Map<String, String> linksetEndMap = new HashMap<String, String>(); /**待采集内容区域属性MAP*/ private Map<String, String> contentStartMap = new HashMap<String, String>(); /**待采集内容区域过滤属性MAP*/ private Map<String, String> contentEndMap = new HashMap<String, String>(); public Map<String, String> getLinksetStartMap() { return linksetStartMap; } public void setLinksetStartMap(Map<String, String> linksetStartMap) { this.linksetStartMap = linksetStartMap; } public Map<String, String> getLinksetEndMap() { return linksetEndMap; } public void setLinksetEndMap(Map<String, String> linksetEndMap) { this.linksetEndMap = linksetEndMap; } public Map<String, String> getContentStartMap() { return contentStartMap; } public void setContentStartMap(Map<String, String> contentStartMap) { this.contentStartMap = contentStartMap; } public Map<String, String> getContentEndMap() { return contentEndMap; } public void setContentEndMap(Map<String, String> contentEndMap) { this.contentEndMap = contentEndMap; } }
队列 Queue.java package com.jeecms.common.crawler; import java.util.LinkedList; /** * 队列 * @author javacoo * @since 2011-11-01 * @param <T> */ public class Queue<T> { private LinkedList<T> queue = new LinkedList<T>(); /** * 入队列 * @param t */ public void enQueue(T t){ queue.addLast(t); } /** * 出队列 * @return t */ public T deQueue(){ return queue.removeFirst(); } /** * 判断队列是否为空 * @return */ public boolean isEmpty(){ return queue.isEmpty(); } /** * 判断队列是否含有t * @param t * @return */ public boolean contains(T t){ return queue.contains(t); } /** * 取得队列大小 * @return */ public int getSize(){ return queue.size(); } }
URL队列 UrlQueue.java package com.jeecms.common.crawler; import java.util.HashSet; import java.util.Map; import java.util.Set; import org.springframework.util.CollectionUtils; /** * URL队列 * @author javacoo * @since 2011-11-01 * @param <Map<String, String>> */ public class UrlQueue { /**已访问URL集合*/ private Set<Map<String, String>> visitedUrl = new HashSet<Map<String, String>>(); /**待访问URL集合*/ private Queue<Map<String, String>> unVisitedUrl = new Queue<Map<String, String>>(); /** * 获得 URL 队列 * @return */ public Queue<Map<String, String>> getUnVisitedUrl() { return unVisitedUrl; } /** * 未访问的 URL 出队列 * @return */ public Map<String, String> unVisitedUrlDeQueue() { return unVisitedUrl.deQueue(); } /** * 保证每个 URL 只被访问一次 * @param url */ public void addUnVisitedUrl(Map<String, String> urlMap) { if (!CollectionUtils.isEmpty(urlMap) && !unVisitedUrl.contains(urlMap) && !visitedUrl.contains(urlMap)){ unVisitedUrl.enQueue(urlMap); } } /** * 判断是否为空 * @return */ public boolean isEmpty(){ return unVisitedUrl.isEmpty(); } /** * 未访问URL数量 * @return */ public int getUnVisitedUrlNum(){ return unVisitedUrl.getSize(); } /** * 添加到访问过的URL队列中 * @param urlMap */ public void addVisitedUrl(Map<String, String> urlMap){ visitedUrl.add(urlMap); } /** * 删除访问过的URL * @param urlMap */ public void removeVisitedUrl(Map<String, String> urlMap){ visitedUrl.remove(urlMap); } /** * 已访问URL数量 * @return */ public int getVisitedUrlNum(){ return visitedUrl.size(); } }
接下来是XML配置 ==============================定时任务模块XML配置==================================== dao配置 <bean id="cmsSchedulerDao" class="com.jeecms.cms.dao.assist.impl.CmsSchedulerDaoImpl"/> manage配置 <bean id="cmsSchedulerMng" class="com.jeecms.cms.manager.assist.impl.CmsSchedulerMngImpl"/> SERVICE配置 <bean id="schedulerAcquisitionSvc" class="com.jeecms.cms.service.scheduler.SchedulerAcquisitionSvcImpl"/> <bean id="schedulerTaskManageSvc" class="com.jeecms.cms.service.scheduler.SchedulerTaskManageSvcImpl"/>
接下来是messages_zh_CN.properties 添加了常量 ==============================messages_zh_CN.properties==================================== cmsScheduler.acquisition.function=\u91C7\u96C6\u4EFB\u52A1\u7BA1\u7406 cmsScheduler.name=\u4EFB\u52A1\u540D\u79F0 cmsScheduler.expression=\u8BA1\u5212\u8868\u8FBE\u5F0F cmsScheduler.expression.help=\u53C2\u6570\u4EE5\u9017\u53F7\u5206\u9694,*\u53F7\u8868\u793A\u65E0\u503C,\u51716\u4F4D\:\u6BCF\u4E2A\u6708\u7684\u7B2C\u51E0\u5468,\u6BCF\u5468\u7684\u7B2C\u51E0\u5929,\u5929(\u51E0\u53F7),\u5C0F\u65F6(24\u5C0F\u65F6\u5236),\u5206\u949F,\u79D2\u3002\u5982\uFF1A1,6,4,15,20,30 \u8868\u793A \u4ECE\u4ECA\u5929\u768415\:20\:30\u5F00\u59CB\uFF0C\u6BCF\u9694\u4E00\u4E2A\u6708\u6267\u884C\u4E00\u6B21,\u5373\u4E0B\u6B21\u6267\u884C\u65F6\u95F4\u662F \u4E0B\u4E2A\u6708\u7684\u7B2C\u4E00\u5468\u7684\u7B2C6\u5929\u768415\:20\:30 cmsScheduler.associate=\u5173\u8054\u4EFB\u52A1 cmsScheduler.status.0=\u505C\u6B62 cmsScheduler.status.1=\u8FD0\u884C cmsScheduler.opt.start=\u5F00\u59CB cmsScheduler.opt.end=\u505C\u6B62 cmsScheduler.status=\u72B6\u6001 cmsScheduler.startTime=\u5F00\u59CB\u65F6\u95F4 cmsScheduler.endTime=\u7ED3\u675F\u65F6\u95F4 cmsScheduler.log.delete=\u5220\u9664\u4EFB\u52A1
==============================模板==================================== scheduler/add.html <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/> <title></title> <#include "/jeecms_sys/head.html"/> <script type="text/javascript"> $.validator.methods.leafChannel = function(value, element, param) { var i = element.selectedIndex; return $(element.options[i]).attr("class")!="sel-disabled"; }; $(function() { $("#jvForm").validate({ rules: { channelId: { required: true, leafChannel: true } }, messages:{ channelId: { leafChannel: "<@s.m "cmsAcquisition.error.notLeafChannel"/>" } } }); }); </script> <style type="text/css"> .sel-disabled{background-color:#ccc} </style> </head> <body> <div class="body-box"> <div class="rhead"> <div class="rpos"><@s.m "global.position"/>: <@s.m "cmsScheduler.acquisition.function"/> - <@s.m "global.add"/></div> <form class="ropt"> <input type="hidden" name="moduleType" value="${moduleType!}" /> <input type="submit" value="<@s.m "global.backToList"/>" onclick="this.form.action='v_listBy.do';"/> </form> <div class="clear"></div> </div> <@p.form id="jvForm" action="o_save.do" labelWidth="12"> <input type="hidden" name="moduleType" value="${moduleType!}" /> <@p.text colspan="1" width="50" label="cmsScheduler.name" name="name" required="true" class="required" maxlength="50"/> <@p.td colspan="1" width="50" label="cmsScheduler.associate" required="true"> <@p.select list=schedulerTaskList name="associateId" listKey="id" listValue="name"/> </@p.td><@p.tr/> <@p.textarea colspan="2" label="cmsScheduler.expression" name="expression" help="cmsScheduler.expression.help" helpPosition="3" rows="1" cols="70" required="true" class="required" /><@p.tr/> <@p.td colspan="2"><@p.submit code="global.submit"/> <@p.reset code="global.reset"/></@p.td> </@p.form> </div> </body> </html> scheduler/edit.html <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/> <title></title> <#include "/jeecms_sys/head.html"/> <script type="text/javascript"> $.validator.methods.leafChannel = function(value, element, param) { var i = element.selectedIndex; return $(element.options[i]).attr("class")!="sel-disabled"; }; $(function() { $("#jvForm").validate({ rules: { channelId: { required: true, leafChannel: true } }, messages:{ channelId: { leafChannel: "<@s.m "cmsAcquisition.error.notLeafChannel"/>" } } }); }); </script> <style type="text/css"> .sel-disabled{background-color:#ccc} </style> </head> <body> <div class="body-box"> <div class="rhead"> <div class="rpos"><@s.m "global.position"/>: <@s.m "cmsScheduler.acquisition.function"/> - <@s.m "global.edit"/></div> <form class="ropt"> <input type="button" value="<@s.m "global.backToList"/>" onclick="history.back();"/> </form> <div class="clear"></div> </div> <@p.form id="jvForm" action="o_update.do" labelWidth="12"> <input type="hidden" name="moduleType" value="${cmsScheduler.moduleType!}" /> <@p.text colspan="1" width="50" label="cmsScheduler.name" name="name" value=cmsScheduler.name required="true" class="required" maxlength="50"/> <@p.td colspan="1" width="50" label="cmsScheduler.associate" required="true"> <@p.select list=schedulerTaskList name="associateId" value=cmsScheduler.associateId listKey="id" listValue="name"/> </@p.td><@p.tr/> <@p.textarea colspan="2" label="cmsScheduler.expression" name="expression" rows="1" help="cmsScheduler.expression.help" helpPosition="3" value=cmsScheduler.expression required="true" class="required" cols="70" /><@p.tr/> <@p.td colspan="2"> <@p.hidden name="id" value=cmsScheduler.id/> <@p.submit code="global.submit"/> <@p.reset code="global.reset"/> </@p.td> </@p.form> </div> </body> </html> scheduler/list.html <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/> <title></title> <#include "/jeecms_sys/head.html"/> <script type="text/javascript"> function getTableForm() { return document.getElementById('tableForm'); } function optDelete() { if(Pn.checkedCount('ids')<=0) { alert("<@s.m 'error.checkRecord'/>"); return; } if(!confirm("<@s.m 'global.confirm.delete'/>")) { return; } var f = getTableForm(); f.action="o_delete.do"; f.submit(); } </script> </head> <body> <div class="body-box"> <div class="rhead"> <div class="rpos"><@s.m "global.position"/>: <@s.m "cmsScheduler.acquisition.function"/> - <@s.m "global.list"/></div> <form class="ropt"> <input type="hidden" name="moduleType" value="${moduleType!}" /> <input type="submit" value="<@s.m "global.add"/>" onclick="this.form.action='v_add.do';"/> </form> <div class="clear"></div> </div> <form id="tableForm" method="post"> <input type="hidden" name="pageNo" value="${pageNo!}"/> <@p.table value=list;cmsScheduler,i,has_next><#rt/> <@p.column title="<input type='checkbox' onclick='Pn.checkbox(\"ids\",this.checked)'/>" width="20"> <input type='checkbox' name='ids' value='${cmsScheduler.id}'/><#t/> </@p.column><#t/> <@p.column title="ID">${cmsScheduler.id}</@p.column><#t/> <@p.column code="cmsScheduler.name">${cmsScheduler.name}</@p.column><#t/> <@p.column code="cmsScheduler.status" align="center"><#if cmsScheduler.status==1><strong style="color:red"></#if><@s.m "cmsScheduler.status."+cmsScheduler.status/><#if cmsScheduler.status==1></strong></#if></@p.column><#t/> <@p.column code="cmsScheduler.startTime" align="center">${(cmsScheduler.startTime?string('yyyy-MM-dd HH:mm:ss'))!}</@p.column><#t/> <@p.column code="cmsScheduler.endTime" align="center">${(cmsScheduler.endTime?string('yyyy-MM-dd HH:mm:ss'))!}</@p.column><#t/> <@p.column code="global.operate" align="center"> <#if cmsScheduler.status==0> <a href="o_start.do?id=${cmsScheduler.id}" class="pn-opt"><@s.m "cmsScheduler.opt.start"/></a> | <#rt/> <#else> <@s.m "cmsScheduler.opt.start"/> | <#rt/> </#if> <#if cmsScheduler.status==1 || cmsScheduler.status==1> <a href="o_end.do?id=${cmsScheduler.id}" class="pn-opt"><@s.m "cmsScheduler.opt.end"/></a> | <#rt/> <#else> <@s.m "cmsScheduler.opt.end"/> | <#rt/> </#if> <a href="v_edit.do?id=${cmsScheduler.id}" class="pn-opt"><@s.m "global.edit"/></a> | <#rt/> <a href="o_delete.do?ids=${cmsScheduler.id}&moduleType=${cmsScheduler.moduleType}" class="pn-opt" onclick="if(!confirm('<@s.m "global.confirm.delete"/>')) {return false;}"><@s.m "global.delete"/></a><#t/> </@p.column><#t/> </@p.table> <div><input type="button" value="<@s.m "global.delete"/>" onclick="optDelete();"/></div> </form> </div> <#include "/common/alert_message.html"/> </body> </html>
generate_left.html 有修改 加上 <@cms_perm url="/scheduler/v_listBy.do"> <li><a href="../scheduler/v_listBy.do?moduleType=schedulerAcquisitionSvc" target="rightFrame"><@s.m "cmsScheduler.acquisition.function"/></a></li> </@cms_perm>
评论
2 楼
qiuqinjun
2017-04-24
你好,项目的文献能否打包学习下呢
1 楼
OneZhous
2016-03-13
太经典了,能否把案例分下下。膜拜,或者发我QQ邮箱,不甚感激,837292396@qq.com
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2013-04-26 11:18 0由于项目里涉及到上万人邮件处理,需要用到线程池来提高处理速度 ... -
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2013-04-18 11:05 8658提供一个Java中操作JSON格式的公共类: JS ... -
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2013-03-03 02:04 1400非常不错的手写的数据库连接池: import j ... -
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