If you are using Maven add dependency to pom.xml:
<!-- url rewriter -->
<dependency>
<groupId>cz.softeu</groupId>
<artifactId>softeu-rewriter</artifactId>
<version>1.1.8</version>
<scope>runtime</scope>
</dependency><!-- url rewriter -->
<filter>
<filter-name>RewriterFilter</filter-name>
<filter-class>cz.softeu.rewriter.RewriterFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>RewriterFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping><rewriter-config xmlns:b="http://rewriter.softeu.cz/basic/">
<b:regex>
<from>^/news/(.*)$</from>
<to>/news.jsf?id=$1</to>
</b:regex>
</rewriter-config>There is more information about configuration or extending.