Add simple nodejs server for static files

baremaps-server/src/main/resources/static/server.html

@@ -20,7 +20,7 @@
   <script src='https://unpkg.com/[email protected]/dist/maplibre-gl.js'></script>
   <script src='https://baremaps.apache.org/assets/maplibre/maplibre-gl-inspect.js'></script>
   <script src='https://baremaps.apache.org/assets/maplibre/maplibre-gl-tile-boundaries.js'></script>
-  <link href='https://unpkg.com/maplibre-gl@4.0.2/dist/maplibre-gl.css' rel='stylesheet' />
+  <link href='https://unpkg.com/maplibre-gjaml@4.0.2/dist/maplibre-gl.css' rel='stylesheet' />
   <link href='https://baremaps.apache.org/assets/maplibre/maplibre-gl-inspect.css' rel='stylesheet' />
   <link href='https://baremaps.apache.org/assets/maplibre/maplibre-gl-tile-boundaries.css' rel='stylesheet' />
   <link rel="icon" type="image/x-icon" href="https://baremaps.apache.org/assets/favicon/favicon.ico">

examples/_static/server.js

@@ -0,0 +1,61 @@
+/**
+ Licensed to the Apache Software Foundation (ASF) under one or more
+ contributor license agreements.  See the NOTICE file distributed with
+ this work for additional information regarding copyright ownership.
+ The ASF licenses this file to you under the Apache License, Version 2.0
+ (the "License"); you may not use this file except in compliance with
+ the License.  You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ **/
+
+/**
+ * This is a simple server to serve the static files
+ * generated with the baremaps export command.
+ */
+
+const http = require('http');
+const fs = require('fs');
+const path = require('path');
+
+const hostname = 'localhost';
+const port = 9000;
+
+http.createServer((req, res) => {
+    let file = '.' + req.url;
+    if (file === './') {
+        file = './index.html';
+    }
+
+    const extension = String(path.extname(file)).toLowerCase();
+    const mimeTypes = {
+        '.html': 'text/html',
+        '.js': 'text/javascript',
+        '.css': 'text/css',
+        '.mvt': 'application/vnd.mapbox-vector-tile',
+    };
+
+    const contentType = mimeTypes[extension] || 'application/octet-stream';
+
+    fs.readFile(file, (error, content) => {
+        if (error) {
+            res.writeHead(404);
+            res.end('Not found');
+        } else {
+            let headers = {'Content-Type': contentType};
+            if (extension === '.mvt') {
+                headers['Content-Encoding'] = 'gzip';
+            }
+            res.writeHead(200, headers);
+            res.end(content, 'utf-8');
+        }
+    });
+}).listen(port, hostname, () => {
+    console.log(`Server running at http://${hostname}:${port}/`);
+});