added try catch block to loadModel in GGUF class

Author: dhruvarayasam

src/main/java/com/example/core/model/GGUF.java

@@ -40,6 +40,16 @@ public static GGUF loadModel(Path modelPath) throws IOException {
             GGUF gguf = new GGUF();
             gguf.loadModelImpl(fileChannel);
             return gguf;
+        } catch {
+
+            IOException e -> {
+                throw new IOException("Failed to load GGUF model from " + modelPath, e);
+            } 
+            
+            catch (Exception e) {
+                throw new RuntimeException("Unexpected error while loading GGUF model from " + modelPath, e);
+            }
+
         }
     }
 

src/main/java/com/example/loader/weights/ModelLoader.java

@@ -67,7 +67,8 @@ private static ModelType detectModelType(Map<String, Object> metadata) {
 
     public static Model loadModel(Path ggufPath, int contextLength, boolean loadWeights) throws IOException {
         // initial load of metadata from gguf file
-        GGUF gguf = GGUF.loadModel(ggufPath);
+        // will throw an IOException if the file does not exist, RuntimeException if there is another problem with loading the model
+        GGUF gguf = GGUF.loadModel(ggufPath); 
         FileChannel fileChannel = FileChannel.open(ggufPath, StandardOpenOption.READ);
         // detect model type
         ModelType modelType = detectModelType(gguf.getMetadata());