com.yishuifengxiao.common.crawler.extractor.content.strategy.impl

Class RegexStrategy

java.lang.Object

com.yishuifengxiao.common.crawler.extractor.content.strategy.impl.RegexStrategy

All Implemented Interfaces:

Strategy

Direct Known Subclasses:

ChnStrategy, DomainStrategy, EmailStrategy, NumStrategy, UrlStrategy

public class RegexStrategy
extends Object
implements Strategy

正则提取策略
按照正则表达式从输入数据里提取出所有符合正则表达式的信息

Version:

1.0.0

Author:

yishui

Constructor Summary

Constructors

Constructor and Description
RegexStrategy()

Method Summary

Modifier and Type	Method and Description
String	extract(String input, String param1, String param2) 按照正则表达式从输入数据里提取出所有符合正则表达式的信息

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RegexStrategy

public RegexStrategy()

Method Detail

extract

public String extract(String input,
                      String param1,
                      String param2)

按照正则表达式从输入数据里提取出所有符合正则表达式的信息

Specified by:

extract in interface Strategy

Parameters:

input - 输入数据

param1 - 第一个参数，必填，正则表达式

param2 - 第二个参数 ，此模式下该参数无效

Returns:

输出数据，注意可能是null或空字符串