Improve RAP deployment in Tomcat

[lgpl/argeo-commons.git] / server / runtime / org.argeo.server.webextender / src / main / java / org / argeo / server / webextender / TomcatDeployer.java

diff --git a/server/runtime/org.argeo.server.webextender/src/main/java/org/argeo/server/webextender/TomcatDeployer.java b/server/runtime/org.argeo.server.webextender/src/main/java/org/argeo/server/webextender/TomcatDeployer.java
index f93a5f3e50141b2a82fb1bd603ecb390a6024be8..c41351dc0083440165d534fb75e2ab2431f9db53 100644 (file)
--- a/server/runtime/org.argeo.server.webextender/src/main/java/org/argeo/server/webextender/TomcatDeployer.java
+++ b/server/runtime/org.argeo.server.webextender/src/main/java/org/argeo/server/webextender/TomcatDeployer.java
@@ -1,20 +1,27 @@
 package org.argeo.server.webextender;
 
+import org.apache.catalina.Container;
+import org.apache.catalina.Context;
 import org.apache.catalina.Service;
+import org.springframework.osgi.web.deployer.WarDeployment;
 import org.springframework.osgi.web.deployer.tomcat.TomcatWarDeployer;
+import org.springframework.util.ObjectUtils;
 
 /**
  * Wraps the Spring DM Tomcat deployer in order to avoid issue with call to
- * getServerInfo() when undeployed.
+ * getServerInfo() when undeployed. We need to hack a lot here because Spring
+ * OSGi Web is really not extendable.
  */
 public class TomcatDeployer extends TomcatWarDeployer {
        private String serverInfo;
+       private Service service;
 
        @Override
        public void setService(Object service) {
+               this.service = (Service) service;
                super.setService(service);
                // TODO: listen to OSGi service so that we get notified in the
-               // (unlikely) cae the underlying service is update
+               // (unlikely) case the underlying service is updated
                serverInfo = ((Service) service).getInfo();
                if (log.isDebugEnabled())
                        log.debug("Argeo modified Tomcat deployer used");
@@ -25,4 +32,50 @@ public class TomcatDeployer extends TomcatWarDeployer {
                return serverInfo;
        }
 
+       @Override
+       protected void startDeployment(WarDeployment deployment) throws Exception {
+               // Context context = ((TomcatWarDeployment)
+               // deployment).getCatalinaContext();
+               // context.setCookies(false);
+               super.startDeployment(deployment);
+
+               // Required for multiple RAP sessions to work with Tomcat
+               // see
+               // http://wiki.eclipse.org/RAP/FAQ#How_to_run_a_RAP_application_in_multiple_browser_tabs.2Fwindows.3F
+               // TODO make it configurable in order to cover other web apps
+               Context context = getContext("/org.argeo.rap.webapp");
+               if (context != null)
+                       context.setCookies(false);
+       }
+
+       /** @return null if not found */
+       private Context getContext(String path) {
+               for (Container container : getHost().findChildren()) {
+                       log.debug(container.getClass() + ": " + container.getName());
+                       if (container instanceof Context) {
+                               Context context = (Context) container;
+                               if (path.equals(context.getPath()))
+                                       return context;
+                       }
+               }
+               return null;
+       }
+
+       private Container getHost() {
+               // get engine
+               Container container = service.getContainer();
+
+               if (container == null)
+                       throw new IllegalStateException(
+                                       "The Tomcat server doesn't have any Engines defined");
+               // now get host
+               Container[] children = container.findChildren();
+               if (ObjectUtils.isEmpty(children))
+                       throw new IllegalStateException(
+                                       "The Tomcat server doesn't have any Hosts defined");
+
+               // pick the first one and associate the context with it
+               return children[0];
+       }
+
 }