include filter to disable URL rewriting (ex: jsessionid stuff), which…

… isn't something we're going to support in Able

able-jetty/src/main/java/net/lightbody/able/jetty/DisableURLRewritingFilter.java

@@ -0,0 +1,40 @@
+package net.lightbody.able.jetty;
+
+import javax.servlet.*;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpServletResponseWrapper;
+import java.io.IOException;
+
+public class DisableURLRewritingFilter implements Filter {
+    public void init(FilterConfig filterConfig) throws ServletException {
+    }
+
+    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
+        filterChain.doFilter(servletRequest, new NoURLRewriteServletResponseWrapper(servletResponse));
+    }
+
+    public void destroy() {
+    }
+
+    private static class NoURLRewriteServletResponseWrapper extends HttpServletResponseWrapper {
+        public NoURLRewriteServletResponseWrapper(ServletResponse servletResponse) {
+            super((HttpServletResponse) servletResponse);
+        }
+
+        public String encodeRedirectUrl(String url) {
+            return url;
+        }
+
+        public String encodeRedirectURL(String url) {
+            return url;
+        }
+
+        public String encodeUrl(String url) {
+            return url;
+        }
+
+        public String encodeURL(String url) {
+            return url;
+        }
+    }
+}

able-jetty/src/main/java/net/lightbody/able/jetty/EmbeddedJettyWebAppProvider.java

@@ -34,6 +34,7 @@ public EmbeddedJettyWebAppProvider(@Named("port") int port, @AnchorClass Class a
         context.setContextPath("/");
         context.setInitParameter("org.eclipse.jetty.servlet.Default.dirAllowed", "false");
 
+        context.addFilter(DisableURLRewritingFilter.class, "/*", 0);
         context.addFilter(GuiceFilter.class, "/*", 0);
         context.addServlet(DefaultServlet.class, "/");