A crawler framework. It covers the whole lifecycle of crawler: downloading, url management, content extraction and persistent. It can simply the development of a specific crawler.
'us.codecraft:webmagic-core:0.4.0'
<dependency> <groupId>us.codecraft</groupId> <artifactId>webmagic-core</artifactId> <version>0.4.0</version> </dependency>
<dependency org="us.codecraft" name="webmagic-core" rev="0.4.0"/>
"us.codecraft", "webmagic-core", "0.4.0"