HBX-3313: Fix file handle leaks that cause test failures on Windows

  - Use try-with-resources for InputStream in ResourceUtil.createResources()
  - Use try-with-resources for BufferedReader in FileUtil.findFirstString()

Signed-off-by: Koen Aers <koen.aers@gmail.com>

Author: koentsje

test/utils/src/main/java/org/hibernate/tools/test/util/FileUtil.java

@@ -28,15 +28,13 @@ public class FileUtil {
 
 	static public String findFirstString(String string, File file) {
 		String str;
-		try {
-	        BufferedReader in = new BufferedReader(new FileReader(file) );
+		try (BufferedReader in = new BufferedReader(new FileReader(file))) {
 	        while ( (str = in.readLine() ) != null ) {
 	            if(str.indexOf(string)>=0) {
 					break;
 	            }
 	        }
-	        in.close();	        
-	    } 
+	    }
 		catch (IOException e) {
 			throw new RuntimeException("trouble with searching in " + file,e);
 	    }

test/utils/src/main/java/org/hibernate/tools/test/util/ResourceUtil.java

@@ -28,13 +28,14 @@ public class ResourceUtil {
 	public static void createResources(Object test, String[] resources, File resourcesDir) {
 		try {
 			for (String resource : resources) {
-				InputStream inputStream = resolveResourceLocation(test.getClass(), resource);
-				File resourceFile = new File(resourcesDir, resource);
-				File parent = resourceFile.getParentFile();
-				if (!parent.exists()) {
-					parent.mkdirs();
+				try (InputStream inputStream = resolveResourceLocation(test.getClass(), resource)) {
+					File resourceFile = new File(resourcesDir, resource);
+					File parent = resourceFile.getParentFile();
+					if (!parent.exists()) {
+						parent.mkdirs();
+					}
+					Files.copy(inputStream, resourceFile.toPath());
 				}
-				Files.copy(inputStream, resourceFile.toPath());
 			}
 		} catch (IOException e) {
 			throw new RuntimeException(e);