Code maintenace and changes

1 files changed, 41 insertions, 0 deletions

diff --git a/BJC-Utils2/src/main/java/bjc/utils/funcutils/FunctionalFileVisitor.java b/BJC-Utils2/src/main/java/bjc/utils/funcutils/FunctionalFileVisitor.java
new file mode 100644
index 0000000..6d3336a
--- /dev/null
+++ b/BJC-Utils2/src/main/java/bjc/utils/funcutils/FunctionalFileVisitor.java
@@ -0,0 +1,41 @@
+package bjc.utils.funcutils;
+
+import java.io.IOException;
+import java.nio.file.FileVisitResult;
+import java.nio.file.Path;
+import java.nio.file.SimpleFileVisitor;
+import java.nio.file.attribute.BasicFileAttributes;
+import java.util.function.BiPredicate;
+
+final class FunctionalFileVisitor
+		extends SimpleFileVisitor<Path> {
+	private BiPredicate<Path, BasicFileAttributes>	traversalPredicate;
+	private BiPredicate<Path, BasicFileAttributes>	traversalAction;
+
+	public FunctionalFileVisitor(
+			BiPredicate<Path, BasicFileAttributes> traversalPredicate,
+			BiPredicate<Path, BasicFileAttributes> traversalAction) {
+		this.traversalPredicate = traversalPredicate;
+		this.traversalAction = traversalAction;
+	}
+
+	@Override
+	public FileVisitResult preVisitDirectory(Path dir,
+			BasicFileAttributes attrs) throws IOException {
+		if (traversalPredicate.test(dir, attrs)) {
+			return FileVisitResult.CONTINUE;
+		}
+
+		return FileVisitResult.SKIP_SUBTREE;
+	}
+
+	@Override
+	public FileVisitResult visitFile(Path file,
+			BasicFileAttributes attrs) throws IOException {
+		if (traversalAction.test(file, attrs)) {
+			return FileVisitResult.CONTINUE;
+		}
+
+		return FileVisitResult.TERMINATE;
+	}
+}
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