From c82e3b3b2de0633317ec8fc85925e91422820597 Mon Sep 17 00:00:00 2001 From: "Benjamin J. Culkin" Date: Sun, 8 Oct 2017 22:39:59 -0300 Subject: Start splitting into maven modules --- .../bjc/utils/funcutils/FunctionalFileVisitor.java | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 base/src/main/java/bjc/utils/funcutils/FunctionalFileVisitor.java (limited to 'base/src/main/java/bjc/utils/funcutils/FunctionalFileVisitor.java') diff --git a/base/src/main/java/bjc/utils/funcutils/FunctionalFileVisitor.java b/base/src/main/java/bjc/utils/funcutils/FunctionalFileVisitor.java new file mode 100644 index 0000000..db6c43b --- /dev/null +++ b/base/src/main/java/bjc/utils/funcutils/FunctionalFileVisitor.java @@ -0,0 +1,36 @@ +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; + +/* + * Functional implementation of a file visitor. + */ +final class FunctionalFileVisitor extends SimpleFileVisitor { + private final BiPredicate predicate; + private final BiPredicate action; + + public FunctionalFileVisitor(final BiPredicate predicate, + final BiPredicate action) { + this.predicate = predicate; + this.action = action; + } + + @Override + public FileVisitResult preVisitDirectory(final Path dir, final BasicFileAttributes attrs) throws IOException { + if (predicate.test(dir, attrs)) return FileVisitResult.CONTINUE; + + return FileVisitResult.SKIP_SUBTREE; + } + + @Override + public FileVisitResult visitFile(final Path file, final BasicFileAttributes attrs) throws IOException { + if (action.test(file, attrs)) return FileVisitResult.CONTINUE; + + return FileVisitResult.TERMINATE; + } +} -- cgit v1.2.3