'#1861 Also the java.io.File API gives wrong answer, false, when testing

if an instance is an directory if the name of dir contains a trailing
space. A workaround was possible and implemented.

iped-utils/src/main/java/iped/utils/FileInputStreamFactory.java

@@ -6,6 +6,7 @@
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.InvalidPathException;
+import java.nio.file.NotDirectoryException;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.nio.file.StandardCopyOption;
@@ -32,7 +33,7 @@ public Path getPath(String subPath) {
             }
             if (IS_WINDOWS) {
                 // workaround for https://github.com/sepinf-inc/IPED/issues/1861
-                if (file.isDirectory()) {
+                if (isDirectory(file.getAbsolutePath())) {
                     try {
                         file = Files.createTempDirectory("iped").toFile();
                         file.deleteOnExit();
@@ -54,6 +55,17 @@ public Path getPath(String subPath) {
         }
     }
 
+    boolean isDirectory(String path) {
+        try {
+            Files.newDirectoryStream(Path.of(path));
+        } catch (NotDirectoryException ioe) {
+            return false;
+        } catch (Exception e) {
+            return true;
+        }
+        return true;
+    }
+
     @Override
     public SeekableInputStream getSeekableInputStream(String subPath) throws IOException {
         File file = getPath(subPath).toFile();