com.yishuifengxiao.common.crawler.content

Class ContentExtractDecorator

java.lang.Object

com.yishuifengxiao.common.crawler.content.ContentExtractDecorator

All Implemented Interfaces:

ContentExtract

public class ContentExtractDecorator
extends Object
implements ContentExtract

内容解析器装饰器
进行内容解析前的前置操作
功能如下：
1. 决定是否对该网页进行内容提取
2. 调用真正的内容解析器进行内容解析

Version:

1.0.0

Author:

yishui

Field Summary

Fields

Modifier and Type	Field and Description
protected ContentExtract	contentExtract 用户自定义的内容解析器
protected ContentMatcher	contentMatcher 内容匹配器

Constructor Summary

Constructors

Constructor and Description
ContentExtractDecorator(ContentExtract contentExtract)

Method Summary

Modifier and Type	Method and Description
void	extract(ContentRule contentRule, List<ExtractRule> rules, Page page) 从网页内容里解析出所有符合要求的数据

Methods inherited from class java.lang.Object

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

Field Detail

contentMatcher

protected ContentMatcher contentMatcher

内容匹配器

contentExtract

protected ContentExtract contentExtract

用户自定义的内容解析器

Constructor Detail

ContentExtractDecorator

public ContentExtractDecorator(ContentExtract contentExtract)

Method Detail

extract

public void extract(ContentRule contentRule,
                    List<ExtractRule> rules,
                    Page page)
             throws com.yishuifengxiao.common.tool.exception.ServiceException

Description copied from interface: ContentExtract

从网页内容里解析出所有符合要求的数据

Specified by:

extract in interface ContentExtract

Parameters:

contentRule - 内容解析规则

rules - 内容提取规则

page - 网页对象

Throws:

com.yishuifengxiao.common.tool.exception.ServiceException - 解析时遇到的异常