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final class RegExpControl extends SettingControl {
    private Pattern pattern = Pattern.compile(".*");

    @Override
    public void setValue(String value) {
        this.pattern = Pattern.compile(value);
    }

    @Override
    public String combine(Set<String> values) {
        return String.join("|", values);
    }

    @Override
    public String getValue() {
        return pattern.toString();
    }

    public boolean matches(String s) {
        return pattern.matcher(s).find();
    }
}

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abstract class HTTPRequest extends Event {
    @Label("Request URI")
    protected String uri;

    @Label("Servlet URI Filter")
    @SettingDefinition
    protected boolean uriFilter(RegExpControl regExp) {
        return regExp.matches(uri);
    }
}

@Label("HTTP Get Request")
class HTTPGetRequest extends HTTPRequest {
}

@Label("HTTP Post Request")
class HTTPPostRequest extends HTTPRequest {
}

class ExampleServlet extends HttpServlet {
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) {
        HTTPGetRequest request = new HTTPGetRequest();
        request.begin();
        request.uri = req.getRequestURI();
        ...
        request.commit();
    }

    protected void doPost(HttpServletRequest req, HttpServletResponse resp) {
        HTTPPostRequest request = new HTTPPostRequest();
        request.begin();
        request.uri = req.getRequestURI();
        ...
        request.commit();
    }
}

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Recording r = new Recording();
r.enable("HTTPGetRequest").with("uriFilter", "https://www.example.com/list/.*");
r.enable("HTTPPostRequest").with("uriFilter", "https://www.example.com/login/.*");
r.start();