(#10) simplify error to avoid loading FastJEngine class

src/main/java/tech/fastj/graphics/util/PsdfUtil.java

@@ -16,6 +16,7 @@
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
+import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.ArrayList;
 import java.util.List;
@@ -59,7 +60,7 @@ public static Polygon2D[] loadPsdf(String fileLocation) {
     private static Polygon2D[] parsePsdf(String fileLocation) {
         try {
             Polygon2D[] result = null;
-            List<String> lines = Files.readAllLines(Paths.get(fileLocation));
+            List<String> lines = Files.readAllLines(Path.of(fileLocation));
             List<Pointf> polygonPoints = new ArrayList<>();
             Paint paint = null;
             boolean fillPolygon = false;
@@ -162,8 +163,7 @@ private static Polygon2D[] parsePsdf(String fileLocation) {
             }
             return result;
         } catch (IOException e) {
-            FastJEngine.error(PsdfReadErrorMessage, e);
-            return null;
+            throw new IllegalStateException("An issue occurred while trying to parse file \"" + fileLocation + "\".", e);
         }
     }
 

src/test/java/unittest/testcases/graphics/util/PsdfUtilTests.java

@@ -156,9 +156,11 @@ void tryReadPsdf_withIncorrectFileExtension() {
     void tryReadPsdf_withFileThatDoesNotExist() {
         String invalid_pathThatDoesNotResolveToFile = UUID.randomUUID() + ".psdf";
 
-        Throwable exception = assertThrows(IllegalStateException.class, () -> PsdfUtil.loadPsdf(invalid_pathThatDoesNotResolveToFile)).getCause();
-        assertEquals(NoSuchFileException.class, exception.getClass(), "The exception's class should match the expected class.");
+        Throwable exception = assertThrows(IllegalStateException.class, () -> PsdfUtil.loadPsdf(invalid_pathThatDoesNotResolveToFile));
+        assertEquals(NoSuchFileException.class, exception.getCause().getClass(), "The underlying exception's class should match the expected class.");
 
-        assertEquals(invalid_pathThatDoesNotResolveToFile, exception.getMessage(), "The thrown exception's message should match the expected exception message.");
+        String expectedExceptionMessage = "An issue occurred while trying to parse file \"" + invalid_pathThatDoesNotResolveToFile + "\".";
+        assertEquals(expectedExceptionMessage, exception.getMessage(), "The thrown exception's message should match the expected exception message.");
+        assertEquals(invalid_pathThatDoesNotResolveToFile, exception.getCause().getMessage(), "The thrown exception's message should match the expected exception message.");
     }
 }