Can you assign per web app jetty-rewrite.xml files in Jetty? - jetty

Question

Is there a way per web app / context to specify a rewrite file just for that particular webapp? The only way I see this currently working is via the command line when you start it. I was thinking perhaps a setting in the override.xml file or even in the context xml file.

Answer 1

If you use context.xml deployables you can integrate the RewriteHandler rules into the app specific context xml.
Example: this is a replacement context.xml of the ${jetty.home}/contexts/test.xml found in the jetty-distribution. It adds a rule that simply adds a cookie (visited=yes) on the response for all requests.
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE Configure PUBLIC "-//Jetty//Configure//EN" "http://www.eclipse.org/jetty/configure.dtd">
<Configure class="org.eclipse.jetty.server.handler.ContextHandler">
<Set name="contextPath">/</Set>
<Set name="handler">
<New id="Rewrite" class="org.eclipse.jetty.rewrite.handler.RewriteHandler">
<Set name="handler">
<New class="org.eclipse.jetty.webapp.WebAppContext">
<Set name="contextPath">/</Set>
<Set name="war"><SystemProperty name="jetty.home" default="."/>/webapps/test.war</Set>
<Set name="extractWAR">true</Set>
<Set name="copyWebDir">false</Set>
<Set name="defaultsDescriptor"><SystemProperty name="jetty.home" default="."/>/etc/webdefault.xml</Set>
<Set name="overrideDescriptor"><SystemProperty name="jetty.home" default="."/>/contexts/test.d/override-web.xml</Set>
</New>
</Set>
<Set name="rewriteRequestURI">true</Set>
<Set name="rewritePathInfo">false</Set>
<Set name="originalPathAttribute">requestedPath</Set>
<!-- add a cookie to each path visited -->
<Call name="addRule">
<Arg>
<New class="org.eclipse.jetty.rewrite.handler.CookiePatternRule">
<Set name="pattern">/*</Set>
<Set name="name">visited</Set>
<Set name="value">yes</Set>
</New>
</Arg>
</Call>
</New>
</Set>
</Configure>
To verify that this rule works, start jetty, goto http://localhost:8080/ and then use the "Sessions" test component, you'll see that visited=true will be visible as a cookie at the top.