Periphery Facades

spi/src/main/java/art/arcane/iris/spi/IrisLogging.java

@@ -49,6 +49,21 @@ public final class IrisLogging {
         System.out.println("[Iris] " + message);
     }
 
+    public static void reportError(String context, Throwable error) {
+        Throwable cause = error == null ? new IllegalStateException("Unknown Iris failure") : error;
+        String message = context == null || context.isBlank() ? "Unhandled Iris failure." : context;
+
+        try {
+            error(message);
+        } catch (Throwable inner) {
+            System.err.println("[Iris] " + message);
+            inner.printStackTrace(System.err);
+        }
+
+        reportError(cause);
+        cause.printStackTrace(System.err);
+    }
+
     public static void reportError(Throwable error) {
         if (IrisPlatforms.isBound()) {
             IrisPlatforms.get().reportError(error);

spi/src/main/java/art/arcane/iris/spi/IrisPlatform.java

@@ -40,6 +40,24 @@ public interface IrisPlatform {
 
     File dataFolder();
 
+    default File dataFolder(String... path) {
+        if (path == null || path.length == 0) {
+            return dataFolder();
+        }
+
+        File folder = new File(dataFolder(), String.join(File.separator, path));
+        folder.mkdirs();
+        return folder;
+    }
+
+    default File dataFolderNoCreate(String... path) {
+        if (path == null || path.length == 0) {
+            return dataFolder();
+        }
+
+        return new File(dataFolder(), String.join(File.separator, path));
+    }
+
     File dataFile(String... path);
 
     File pluginJar();