Start support for static-file routing

qqq-middleware-javalin/src/main/java/com/kingsrook/qqq/middleware/javalin/QApplicationJavalinServer.java

@@ -36,6 +36,7 @@ import com.kingsrook.qqq.backend.javalin.QJavalinImplementation;
 import com.kingsrook.qqq.middleware.javalin.specs.AbstractMiddlewareVersion;
 import com.kingsrook.qqq.middleware.javalin.specs.v1.MiddlewareVersionV1;
 import io.javalin.Javalin;
+import io.javalin.apibuilder.EndpointGroup;
 import io.javalin.http.Context;
 import org.apache.commons.lang.BooleanUtils;
 import org.eclipse.jetty.util.resource.Resource;
@@ -166,7 +167,14 @@ public class QApplicationJavalinServer
          for(QJavalinRouteProviderInterface routeProvider : CollectionUtils.nonNullList(additionalRouteProviders))
          {
             routeProvider.setQInstance(qInstance);
-            config.router.apiBuilder(routeProvider.getJavalinEndpointGroup());
+
+            EndpointGroup javalinEndpointGroup = routeProvider.getJavalinEndpointGroup();
+            if(javalinEndpointGroup != null)
+            {
+               config.router.apiBuilder(javalinEndpointGroup);
+            }
+
+            routeProvider.acceptJavalinConfig(config);
          }
       });
 

qqq-middleware-javalin/src/main/java/com/kingsrook/qqq/middleware/javalin/QJavalinRouteProviderInterface.java

@@ -24,6 +24,7 @@ package com.kingsrook.qqq.middleware.javalin;
 
 import com.kingsrook.qqq.backend.core.model.metadata.QInstance;
 import io.javalin.apibuilder.EndpointGroup;
+import io.javalin.config.JavalinConfig;
 
 
 /*******************************************************************************
@@ -42,6 +43,22 @@ public interface QJavalinRouteProviderInterface
    /***************************************************************************
     **
     ***************************************************************************/
-   EndpointGroup getJavalinEndpointGroup();
+   default EndpointGroup getJavalinEndpointGroup()
-
+   {
+      /////////////////////////////
+      // no endpoints at default //
+      /////////////////////////////
+      return (null);
+   }
+
+
+   /***************************************************************************
+    **
+    ***************************************************************************/
+   default void acceptJavalinConfig(JavalinConfig config)
+   {
+      /////////////////////
+      // noop at default //
+      /////////////////////
+   }
 }

qqq-middleware-javalin/src/main/java/com/kingsrook/qqq/middleware/javalin/routeproviders/SimpleFileSystemDirectoryRouter.java

@@ -0,0 +1,79 @@
+/*
+ * QQQ - Low-code Application Framework for Engineers.
+ * Copyright (C) 2021-2025.  Kingsrook, LLC
+ * 651 N Broad St Ste 205 # 6917 | Middletown DE 19709 | United States
+ * contact@kingsrook.com
+ * https://github.com/Kingsrook/
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.kingsrook.qqq.middleware.javalin.routeproviders;
+
+
+import com.kingsrook.qqq.backend.core.model.metadata.QInstance;
+import com.kingsrook.qqq.middleware.javalin.QJavalinRouteProviderInterface;
+import io.javalin.config.JavalinConfig;
+import io.javalin.http.staticfiles.Location;
+import io.javalin.http.staticfiles.StaticFileConfig;
+
+
+/*******************************************************************************
+ **
+ *******************************************************************************/
+public class SimpleFileSystemDirectoryRouter implements QJavalinRouteProviderInterface
+{
+   private final String    hostedPath;
+   private final String    fileSystemPath;
+   private       QInstance qInstance;
+
+
+
+   /*******************************************************************************
+    ** Constructor
+    **
+    *******************************************************************************/
+   public SimpleFileSystemDirectoryRouter(String hostedPath, String fileSystemPath)
+   {
+      this.hostedPath = hostedPath;
+      this.fileSystemPath = fileSystemPath;
+   }
+
+
+
+   /***************************************************************************
+    **
+    ***************************************************************************/
+   @Override
+   public void setQInstance(QInstance qInstance)
+   {
+      this.qInstance = qInstance;
+   }
+
+
+
+   /***************************************************************************
+    **
+    ***************************************************************************/
+   @Override
+   public void acceptJavalinConfig(JavalinConfig config)
+   {
+      config.staticFiles.add((StaticFileConfig userConfig) ->
+      {
+         userConfig.hostedPath = hostedPath;
+         userConfig.directory = fileSystemPath;
+         userConfig.location = Location.EXTERNAL;
+      });
+   }
+}