CustomLoader: add static newLoader() method for the typical use case

Author: stephengold

src/main/java/com/github/stephengold/joltjni/CustomLoader.java

@@ -52,6 +52,25 @@ public CustomLoader() {
     public ByteBuffer loadShader(String shaderName) {
         return null;
     }
+
+    /**
+     * Create a custom loader that loads from the specified resource directory.
+     *
+     * @param resourcePath the path to the resource directory (not {@code null})
+     * @return a new loader
+     */
+    public static CustomLoader newLoader(String resourcePath) {
+        CustomLoader result = new CustomLoader() {
+            @Override
+            public ByteBuffer loadShader(String shaderName) {
+                String path = resourcePath + "/" + shaderName;
+                ByteBuffer result = Jolt.loadResourceAsBytes(path);
+                return result;
+            }
+        };
+
+        return result;
+    }
     // *************************************************************************
     // native private methods
 

src/test/java/testjoltjni/app/samples/SmokeTestAll.java

@@ -25,7 +25,6 @@ of this software and associated documentation files (the "Software"), to deal
 import com.github.stephengold.joltjni.*;
 import com.github.stephengold.joltjni.enumerate.EPhysicsUpdateError;
 import com.github.stephengold.joltjni.std.OfStream;
-import java.nio.ByteBuffer;
 import testjoltjni.TestUtils;
 import testjoltjni.app.samples.broadphase.*;
 import testjoltjni.app.samples.character.*;
@@ -156,13 +155,15 @@ private static void createSharedObjects() {
 
             case "Metal":
                 // Assign a loader for Metal compute shaders:
-                Loader mtlLoader = makeLoader("/mtl/com/github/stephengold");
+                Loader mtlLoader = CustomLoader.newLoader(
+                        "/mtl/com/github/stephengold");
                 computeSystem.setShaderLoader(mtlLoader);
                 break;
 
             case "Vulkan":
                 // Assign a loader for Vulkan compute shaders:
-                Loader vkLoader = makeLoader("/vk/com/github/stephengold");
+                Loader vkLoader = CustomLoader.newLoader(
+                        "/vk/com/github/stephengold");
                 computeSystem.setShaderLoader(vkLoader);
                 break;
 
@@ -177,25 +178,6 @@ private static void createSharedObjects() {
         queue = queueRef.getPtr();
     }
 
-    /**
-     * Create a custom loader that loads from the specified resource directory.
-     *
-     * @param resourcePath the path to the resource directory (not {@code null})
-     * @return a new loader
-     */
-    private static Loader makeLoader(String resourcePath) {
-        Loader result = new CustomLoader() {
-            @Override
-            public ByteBuffer loadShader(String shaderName) {
-                String path = resourcePath + "/" + shaderName;
-                ByteBuffer result = Jolt.loadResourceAsBytes(path);
-                return result;
-            }
-        };
-
-        return result;
-    }
-
     /**
      * Allocate and initialize a {@code PhysicsSystem} in the customary
      * configuration.