Rename StaticContent and add Builder interface

Author: rbygrave

avaje-jex-static-content/src/main/java/io/avaje/jex/staticcontent/StaticContent.java

@@ -0,0 +1,127 @@
+package io.avaje.jex.staticcontent;
+
+import java.net.URLConnection;
+import java.util.function.Predicate;
+
+import io.avaje.jex.Context;
+import io.avaje.jex.spi.JexPlugin;
+
+/**
+ * Static content resource handler.
+ * <pre>{@code
+ *
+ *  var staticContent = StaticContent.createFile("src/test/resources/public")
+ *     .directoryIndex("index.html")
+ *     .preCompress()
+ *     .build()
+ *
+ *  Jex.create()
+ *    .plugin(staticContent)
+ *    .port(8080)
+ *    .start();
+ *
+ * }</pre>
+ */
+public sealed interface StaticContent extends JexPlugin
+  permits StaticResourceHandlerBuilder {
+
+  /**
+   * Create and return a new static content class path configuration.
+   *
+   * @param resourceRoot The file to serve, or the directory the files are located in.
+   */
+  static Builder createCP(String resourceRoot) {
+    return StaticResourceHandlerBuilder.builder(resourceRoot);
+  }
+
+  /**
+   * Create and return a new static content class path configuration with the
+   * `/public` directory as the root.
+   */
+  static Builder createCP() {
+    return StaticResourceHandlerBuilder.builder("/public/");
+  }
+
+  /**
+   * Create and return a new static content configuration for a File.
+   *
+   * @param resourceRoot The path of the file to serve, or the directory the files are located in.
+   */
+  static Builder createFile(String resourceRoot) {
+    return StaticResourceHandlerBuilder.builder(resourceRoot).file();
+  }
+
+  /**
+   * Builder for StaticContent.
+   */
+  sealed interface Builder
+    permits StaticResourceHandlerBuilder {
+
+    /**
+     * Sets the HTTP path for the static resource handler.
+     *
+     * @param path the HTTP path prefix
+     * @return the updated configuration
+     */
+    Builder httpPath(String path);
+
+    /**
+     * Sets the index file to be served when a directory is requests.
+     *
+     * @param directoryIndex the index file
+     * @return the updated configuration
+     */
+    Builder directoryIndex(String directoryIndex);
+
+    /**
+     * Sent resources will be pre-compressed and cached in memory when this is enabled
+     *
+     * @return the updated configuration
+     */
+    Builder preCompress();
+
+    /**
+     * Sets a custom resource loader for loading class/module path resources. This is normally used
+     * when running the application on the module path when files cannot be discovered.
+     *
+     * <p>Example usage: {@code service.resourceLoader(ClassResourceLoader.create(getClass())) }
+     *
+     * @param resourceLoader the custom resource loader
+     * @return the updated configuration
+     */
+    Builder resourceLoader(ClassResourceLoader resourceLoader);
+
+    /**
+     * Adds a new MIME type mapping to the configuration. (Default: uses {@link
+     * URLConnection#getFileNameMap()}
+     *
+     * @param ext      the file extension (e.g., "html", "css", "js")
+     * @param mimeType the corresponding MIME type (e.g., "text/html", "text/css",
+     *                 "application/javascript")
+     * @return the updated configuration
+     */
+    Builder putMimeTypeMapping(String ext, String mimeType);
+
+    /**
+     * Adds a new response header to the configuration.
+     *
+     * @param key   the header name
+     * @param value the header value
+     * @return the updated configuration
+     */
+    Builder putResponseHeader(String key, String value);
+
+    /**
+     * Sets a predicate to filter files based on the request context.
+     *
+     * @param skipFilePredicate the predicate to use
+     * @return the updated configuration
+     */
+    Builder skipFilePredicate(Predicate<Context> skipFilePredicate);
+
+    /**
+     * Build and return the StaticContent.
+     */
+    StaticContent build();
+  }
+}

avaje-jex-static-content/src/main/java/io/avaje/jex/staticcontent/StaticContentService.java

@@ -12,7 +12,7 @@
 import io.avaje.jex.Jex;
 import io.avaje.jex.compression.CompressionConfig;
 
-final class StaticResourceHandlerBuilder implements StaticContentService {
+final class StaticResourceHandlerBuilder implements StaticContent.Builder, StaticContent {
 
   private static final String FAILED_TO_LOCATE_FILE = "Failed to locate file: ";
   private static final String DIRECTORY_INDEX_FAILURE =
@@ -43,6 +43,11 @@ public void apply(Jex jex) {
     jex.get(path, createHandler(jex.config().compression()));
   }
 
+  @Override
+  public StaticContent build() {
+    return this;
+  }
+
   ExchangeHandler createHandler(CompressionConfig compress) {
     path =
         Objects.requireNonNull(path)

avaje-jex-static-content/src/main/java/io/avaje/jex/staticcontent/StaticResourceHandlerBuilder.java

@@ -1,5 +1,5 @@
 /**
- * Static Content API - see {@link io.avaje.jex.staticcontent.StaticContentService}.
+ * Static Content API - see {@link io.avaje.jex.staticcontent.StaticContent}.
  *
  * <pre>{@code
  * var staticContent = StaticContentService.createCP("/public").httpPath("/").directoryIndex("index.html");

avaje-jex-static-content/src/main/java/io/avaje/jex/staticcontent/package-info.java

@@ -1,5 +1,5 @@
 /**
- * Defines the Static Content API for serving static resources with Jex - see {@link io.avaje.jex.staticcontent.StaticContentService}.
+ * Defines the Static Content API for serving static resources with Jex - see {@link StaticContent}.
  *
  * <pre>{@code
  * var staticContent = StaticContentService.createCP("/public").httpPath("/").directoryIndex("index.html");

avaje-jex-static-content/src/main/java/module-info.java

@@ -19,28 +19,30 @@ static TestPair init() {
 
     final Jex app =
         Jex.create()
-            .plugin(defaultCP().httpPath("/index"))
-            .plugin(defaultFile().httpPath("/indexFile"))
-            .plugin(defaultCP().httpPath("/indexWild/*"))
-            .plugin(defaultFile().httpPath("/indexWildFile/*"))
-            .plugin(defaultCP().httpPath("/sus/"))
-            .plugin(defaultFile().httpPath("/susFile/*"))
-            .plugin(StaticContentService.createCP("/logback.xml").httpPath("/single"))
+            .plugin(defaultCP().httpPath("/index").build())
+            .plugin(defaultFile().httpPath("/indexFile").build())
+            .plugin(defaultCP().httpPath("/indexWild/*").build())
+            .plugin(defaultFile().httpPath("/indexWildFile/*").build())
+            .plugin(defaultCP().httpPath("/sus/").build())
+            .plugin(defaultFile().httpPath("/susFile/*").build())
+            .plugin(StaticContent.createCP("/logback.xml").httpPath("/single").build())
             .plugin(
-                StaticContentService.createFile("src/test/resources/logback.xml")
-                    .httpPath("/singleFile"));
+                StaticContent.createFile("src/test/resources/logback.xml")
+                    .httpPath("/singleFile").build());
 
     return TestPair.create(app);
   }
 
-  private static StaticContentService defaultFile() {
-    return StaticContentService.createFile("src/test/resources/public")
+  private static StaticContent.Builder defaultFile() {
+    return StaticContent.createFile("src/test/resources/public")
         .directoryIndex("index.html")
         .preCompress();
   }
 
-  private static StaticContentService defaultCP() {
-    return StaticContentService.createCP("/public").directoryIndex("index.html").preCompress();
+  private static StaticContent.Builder defaultCP() {
+    return StaticContent.createCP("/public")
+      .directoryIndex("index.html")
+      .preCompress();
   }
 
   @AfterAll

avaje-jex-static-content/src/test/java/io/avaje/jex/staticcontent/CompressedStaticFileTest.java

@@ -19,27 +19,27 @@ static TestPair init() {
 
     final Jex app =
         Jex.create()
-            .plugin(defaultCP().httpPath("/index"))
-            .plugin(defaultFile().httpPath("/indexFile"))
-            .plugin(defaultCP().httpPath("/indexWild/*"))
-            .plugin(defaultFile().httpPath("/indexWildFile/*"))
-            .plugin(defaultCP().httpPath("/sus/"))
-            .plugin(defaultFile().httpPath("/susFile/*"))
-            .plugin(StaticContentService.createCP("/logback.xml").httpPath("/single"))
+            .plugin(defaultCP().httpPath("/index").build())
+            .plugin(defaultFile().httpPath("/indexFile").build())
+            .plugin(defaultCP().httpPath("/indexWild/*").build())
+            .plugin(defaultFile().httpPath("/indexWildFile/*").build())
+            .plugin(defaultCP().httpPath("/sus/").build())
+            .plugin(defaultFile().httpPath("/susFile/*").build())
+            .plugin(StaticContent.createCP("/logback.xml").httpPath("/single").build())
             .plugin(
-                StaticContentService.createFile("src/test/resources/logback.xml")
-                    .httpPath("/singleFile"));
+                StaticContent.createFile("src/test/resources/logback.xml")
+                    .httpPath("/singleFile").build());
 
     return TestPair.create(app);
   }
 
-  private static StaticContentService defaultFile() {
-    return StaticContentService.createFile("src/test/resources/public")
+  private static StaticContent.Builder defaultFile() {
+    return StaticContent.createFile("src/test/resources/public")
         .directoryIndex("index.html");
   }
 
-  private static StaticContentService defaultCP() {
-    return StaticContentService.createCP("/public").directoryIndex("index.html");
+  private static StaticContent.Builder defaultCP() {
+    return StaticContent.createCP("/public").directoryIndex("index.html");
   }
 
   @AfterAll

avaje-jex-static-content/src/test/java/io/avaje/jex/staticcontent/StaticFileTest.java

@@ -29,6 +29,7 @@ public sealed interface Jex permits DJex {
    * Create Jex.
    *
    * <pre>{@code
+   *
    * final Jex.Server app = Jex.create()
    *   .routing(routing -> routing
    *     .get("/", ctx -> ctx.text("hello world"))