Problem:
- Product Name: Borland Enterprise Server
- Product Version: 5.2.1
- Product Component: WebContainer
- Platform/OS Version: All
- JDK/Compiler Version: JDK 1.4.1
BES5.2.1 HOWTO write a custom Tomcat Valve for Borland Webcontainer
Resolution:
The following is an example Tomcat Valve which modifies the request. Installation instructions are noted in the example source comments. Note the
valve here does not differ from a valvle who would run in a stand alone tomcat.
To learn more about Tomcat Valves, their capabilities, and when a user may want to implement them please visit http://jakarta.apache.org/tomcat/tomcat-4.1-doc/catalina/docs/api/org/apache/catalina/Valve.html
// BEGIN EXAMPLE SOURCE
/*
* This is a Valve that modifies the request.
*
* How to Build
* --------------------
*
* Compile this source with the following jars in CLASSPATH
*
* ${bes.home}/lib/tomcat/server/catalina.jar
* ${bes.home}/lib/tomcat/common/servlet.jar
*
* How to install
* --------------
*
* Jar this class and drop into [bes]/lib/tomcat/server/patches
* directory
*
* Add the following under the correct (HTTP or IIOP or both) Engine
* element of your server.xml
*
*
*
* Restart the BES partition.
*/
package example.valves;
import org.apache.catalina.valves.ValveBase;
import java.io.IOException;
import javax.servlet.ServletException;
import org.apache.catalina.Request;
import org.apache.catalina.Response;
import org.apache.catalina.Valve;
import org.apache.catalina.ValveContext;
public class TomcatValveEx extends ValveBase {
public String getInfo() {
return "CiscoSSMValve";
}
public void invoke(Request request, Response response,ValveContext context)
throws IOException, ServletException {
System.out.println("Example VALVE hit");
// do the following on detecting header
request.setSecure(true);
request.setScheme("https");
// complete the chain
context.invokeNext(request, response);
}
}
// END EXAMPLE SOURCE
#VisiBroker
#Security
#tomcat
#WebContainer
