Add method to check whether the library was loaded

Author: purejava

src/main/java/org/purejava/linux/MemoryAllocator.java

@@ -11,4 +11,8 @@ public static MemorySegment ALLOCATE_FOR(String str) {
     public static MemorySegment ALLOCATE_CALLBACK_FOR(GCallback cb, MemorySession session) {
         return GCallback.allocate(cb, session);
     }
+
+    public static boolean isLoadedNativeLib() {
+        return RuntimeHelper.isLoaded();
+    }
 }

src/main/java/org/purejava/linux/RuntimeHelper.java

@@ -18,6 +18,7 @@ private RuntimeHelper() {}
     private final static ClassLoader LOADER = RuntimeHelper.class.getClassLoader();
     private final static MethodHandles.Lookup MH_LOOKUP = MethodHandles.lookup();
     private final static SymbolLookup SYMBOL_LOOKUP;
+    private static boolean isLoaded = false;
     private static final Logger LOG = LoggerFactory.getLogger(RuntimeHelper.class);
 
     final static SegmentAllocator CONSTANT_ALLOCATOR =
@@ -26,6 +27,7 @@ private RuntimeHelper() {}
     static {
         try {
             System.loadLibrary("appindicator3");
+            isLoaded = true;
         } catch (UnsatisfiedLinkError e) {
             LOG.error("Native code library failed to load.\n", e);
         }
@@ -221,4 +223,9 @@ private MemoryLayout variadicLayout(Class<?> c) {
             }
         }
     }
+
+    // Getter
+    public static boolean isLoaded() {
+        return isLoaded;
+    }
 }