/*
* Copyright (C) 2014 hu
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
package cn.edu.hfut.dmic.webcollector.plugin.redis;
import cn.edu.hfut.dmic.webcollector.crawler.CommonCrawler;
import cn.edu.hfut.dmic.webcollector.generator.DbUpdater;
import cn.edu.hfut.dmic.webcollector.generator.Generator;
import cn.edu.hfut.dmic.webcollector.generator.Injector;
import cn.edu.hfut.dmic.webcollector.generator.filter.IntervalFilter;
import cn.edu.hfut.dmic.webcollector.generator.filter.URLRegexFilter;
import cn.edu.hfut.dmic.webcollector.model.Page;
/**
* 基于Redis的广度遍历器
* @author hu
*/
public class RedisCrawler extends CommonCrawler{
private String tableName;
private String ip;
private int port;
/**
* 构建一个基于redis的广度遍历器
* @param tableName 任务名
* @param ip redis的ip
* @param port redis的端口
*/
public RedisCrawler(String tableName, String ip, int port) {
this.tableName = tableName;
this.ip = ip;
this.port = port;
}
@Override
public Generator createGenerator() {
Generator generator=new RedisGenerator(tableName, ip, port);
return new URLRegexFilter(new IntervalFilter(generator),getRegexs());
}
@Override
public Injector createInjector() {
return new RedisInjector(tableName, ip, port);
}
@Override
public DbUpdater createDbUpdater() {
return new RedisDbUpdater(tableName, ip, port);
}
/**
* 返回redis的IP
* @return redis的IP
*/
public String getIp() {
return ip;
}
/**
* 设置redis的IP
* @param ip redis的IP
*/
public void setIp(String ip) {
this.ip = ip;
}
/**
* 返回redis的端口
* @return redis的端口
*/
public int getPort() {
return port;
}
/**
* 设置redis的端口
* @param port redis的端口
*/
public void setPort(int port) {
this.port = port;
}
/**
* 返回任务名
* @return 任务名
*/
public String getTableName() {
return tableName;
}
/**
* 设置任务名
* @param tableName 任务名
*/
public void setTableName(String tableName) {
this.tableName = tableName;
}
/*
public static void main(String[] args) throws Exception{
RedisCrawler crawler=new RedisCrawler("mytest", "127.0.0.1", 6379){
@Override
public void visit(Page page){
System.out.println(page.getDoc().title());
}
};
crawler.addSeed("http://news.hfut.edu.cn/");
crawler.addRegex("http://news.hfut.edu.cn/.*");
crawler.addRegex("-.*#.*");
crawler.addRegex("-.*png.*");
crawler.addRegex("-.*jpg.*");
crawler.addRegex("-.*gif.*");
crawler.addRegex("-.*js.*");
crawler.addRegex("-.*css.*");
crawler.setThreads(30);
crawler.setResumable(false);
crawler.start(5);
}
*/
}