Start adding files such as the fonts to the server as local files

src/edu/stanford/nlp/pipeline/StanfordCoreNLPServer.java

@@ -852,6 +852,35 @@ public void handle(HttpExchange httpExchange) throws IOException {
     }
   } // end static class FileHandler
 
+  /**
+   * Serve a content file (image, font, etc) from the filesystem or classpath
+   */
+  public static class BytesFileHandler implements HttpHandler {
+    private final byte[] content;
+    private final String contentType;
+    public BytesFileHandler(String fileOrClasspath, String contentType) throws IOException {
+      try (InputStream is = IOUtils.getInputStreamFromURLOrClasspathOrFileSystem(fileOrClasspath)) {
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        int available = is.available();
+        while (available > 0) {
+          byte next[] = new byte[available];
+          is.read(next);
+          bos.write(next);
+          available = is.available();
+        }
+        this.content = bos.toByteArray();
+      }
+      this.contentType = contentType + "; charset=utf-8";  // always encode in utf-8
+    }
+    @Override
+    public void handle(HttpExchange httpExchange) throws IOException {
+      httpExchange.getResponseHeaders().set("Content-type", this.contentType);
+      httpExchange.sendResponseHeaders(HTTP_OK, content.length);
+      httpExchange.getResponseBody().write(content);
+      httpExchange.close();
+    }
+  } // end static class FileHandler
+
   private int maybeAlterStanfordTimeout(HttpExchange httpExchange, int timeoutMilliseconds) {
     if ( ! stanford) {
       return timeoutMilliseconds;
@@ -1759,6 +1788,11 @@ public void run(Optional<Pair<String,String>> basicAuth,
       withAuth(server.createContext(uriContext+"/corenlp-brat.js", new FileHandler("edu/stanford/nlp/pipeline/demo/corenlp-brat.js", "application/javascript")), basicAuth);
       withAuth(server.createContext(uriContext+"/corenlp-brat.cs", new FileHandler("edu/stanford/nlp/pipeline/demo/corenlp-brat.css", "text/css")), basicAuth);
       withAuth(server.createContext(uriContext+"/corenlp-parseviewer.js", new FileHandler("edu/stanford/nlp/pipeline/demo/corenlp-parseviewer.js", "application/javascript")), basicAuth);
+      withAuth(server.createContext(uriContext+"/static/fonts/Astloch-Bold.ttf", new BytesFileHandler("edu/stanford/nlp/pipeline/demo/Astloch-Bold.ttf", "font/ttfx")), basicAuth);
+      withAuth(server.createContext(uriContext+"/static/fonts/Liberation_Sans-Regular.ttf", new BytesFileHandler("edu/stanford/nlp/pipeline/demo/LiberationSans-Regular.ttf", "font/ttf")), basicAuth);
+      withAuth(server.createContext(uriContext+"/static/fonts/PT_Sans-Caption-Web-Regular.ttf", new BytesFileHandler("edu/stanford/nlp/pipeline/demo/PTSansCaption-Regular.ttf", "font/ttf")), basicAuth);
+      withAuth(server.createContext(uriContext+"/visualizer.js", new BytesFileHandler("edu/stanford/nlp/pipeline/demo/visualizer.js", "application/javascript")), basicAuth);
+      withAuth(server.createContext(uriContext+"/img/corenlp-title.png", new BytesFileHandler("edu/stanford/nlp/pipeline/demo/corenlp-title.png", "image/png")), basicAuth);
       withAuth(server.createContext(uriContext+"/ping", new PingHandler()), Optional.empty());
       withAuth(server.createContext(uriContext+"/shutdown", new ShutdownHandler()), basicAuth);
       if (this.serverPort == this.statusPort) {

src/edu/stanford/nlp/pipeline/demo/corenlp-brat.html

@@ -29,7 +29,7 @@
   <div class="container">
     <div id="logo">
       <a href="https://stanfordnlp.github.io/CoreNLP/">
-        <img id="logo-image" src="https://nlp.stanford.edu/img/corenlp-title.png">
+        <img id="logo-image" src="img/corenlp-title.png">
       </a>
     </div>
     <div id="version-num">version 4.5.8<br><br><br></div>

src/edu/stanford/nlp/pipeline/demo/corenlp-brat.js

@@ -20,7 +20,7 @@ head.js(
   // brat modules
   bratLocation + '/client/src/dispatcher.js',
   bratLocation + '/client/src/url_monitor.js',
-  bratLocation + '/client/src/visualizer.js',
+  './visualizer.js',
 
   // parse viewer
   './corenlp-parseviewer.js'