1 files changed, 40 insertions, 0 deletions
diff --git a/base/src/main/java/bjc/utils/funcutils/FileUtils.java b/base/src/main/java/bjc/utils/funcutils/FileUtils.java
new file mode 100644
index 0000000..87199b1
--- /dev/null
+++ b/base/src/main/java/bjc/utils/funcutils/FileUtils.java
@@ -0,0 +1,40 @@
+package bjc.utils.funcutils;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.attribute.BasicFileAttributes;
+import java.util.function.BiPredicate;
+
+/**
+ * Utilities for doing things with files
+ *
+ * @author ben
+ *
+ */
+public class FileUtils {
+	/**
+	 * Traverse a directory recursively. This is a depth-first traversal
+	 *
+	 *
+	 * @param root
+	 *                The directory to start the traversal at
+	 * @param predicate
+	 *                The predicate to determine whether or not to traverse
+	 *                a directory
+	 * @param action
+	 *                The action to invoke upon each file in the directory.
+	 *                Returning true means to continue the traversal,
+	 *                returning false stops it
+	 * @throws IOException
+	 *                 if the walk throws an exception
+	 *
+	 *                 TODO If it becomes necessary, write another overload
+	 *                 for this with all the buttons and knobs from
+	 *                 walkFileTree
+	 */
+	public static void traverseDirectory(final Path root, final BiPredicate<Path, BasicFileAttributes> predicate,
+			final BiPredicate<Path, BasicFileAttributes> action) throws IOException {
+		Files.walkFileTree(root, new FunctionalFileVisitor(predicate, action));
+	}
+}