get built in mime types

Author: SentryMan

avaje-jex/src/main/java/io/avaje/jex/AbstractStaticHandler.java

@@ -1,19 +1,25 @@
 package io.avaje.jex;
 
+import java.net.FileNameMap;
+import java.net.URLConnection;
 import java.util.Map;
+import java.util.Objects;
 import java.util.function.Predicate;
 
 import com.sun.net.httpserver.HttpExchange;
 
 import io.avaje.jex.http.BadRequestException;
 import io.avaje.jex.http.NotFoundException;
 
-abstract sealed class AbstractStaticHandler implements ExchangeHandler permits StaticFileHandler, JrtResourceHandler {
+abstract sealed class AbstractStaticHandler implements ExchangeHandler
+    permits StaticFileHandler, JrtResourceHandler {
+
   protected final Map<String, String> mimeTypes;
   protected final String filesystemRoot;
   protected final String urlPrefix;
   protected final Predicate<Context> skipFilePredicate;
   protected final Map<String, String> headers;
+  private static final FileNameMap mimeMap = URLConnection.getFileNameMap();
 
   protected AbstractStaticHandler(
       String urlPrefix,
@@ -50,7 +56,14 @@ protected String getExt(String path) {
   }
 
   protected String lookupMime(String path) {
-    String ext = getExt(path).toLowerCase();
-    return mimeTypes.getOrDefault(ext, "application/octet-stream");
+    var lower = path.toLowerCase();
+
+    return Objects.requireNonNullElseGet(
+        mimeMap.getContentTypeFor(path),
+        () -> {
+          String ext = getExt(lower);
+
+          return mimeTypes.getOrDefault(ext, "application/octet-stream");
+        });
   }
 }

avaje-jex/src/main/java/io/avaje/jex/StaticResourceHandlerBuilder.java

@@ -21,31 +21,12 @@ final class StaticResourceHandlerBuilder implements StaticContentConfig {
 
   static final Predicate<Context> NO_OP_PREDICATE = ctx -> false;
   private static final String TEXT_PLAIN = "text/plain";
-  private static final Map<String, String> MIME_MAP =
-      Map.ofEntries(
-          entry("css", "text/css"),
-          entry("gif", "image/gif"),
-          entry("html", "text/html"),
-          entry("js", "application/javascript"),
-          entry("json", "application/json"),
-          entry("jpg", "image/jpeg"),
-          entry("jpeg", "image/jpeg"),
-          entry("mp4", "video/mp4"),
-          entry("pdf", "application/pdf"),
-          entry("png", "image/png"),
-          entry("svg", "image/svg+xml"),
-          entry("xlsm", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"),
-          entry("xml", "application/xml"),
-          entry("zip", "application/zip"),
-          entry("md", TEXT_PLAIN),
-          entry("txt", TEXT_PLAIN),
-          entry("php", TEXT_PLAIN));
 
   private String path = "/";
   private String root = "/public/";
   private String directoryIndex = null;
   private StaticResourceLoader resourceLoader = CoreServiceLoader.resourceLoader();
-  private final Map<String, String> mimeTypes = new HashMap<>(MIME_MAP);
+  private final Map<String, String> mimeTypes = new HashMap<>();
   private final Map<String, String> headers = new HashMap<>();
   private Predicate<Context> skipFilePredicate = NO_OP_PREDICATE;
   private ResourceLocation location = CLASS_PATH;