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authorBenjamin J. Culkin <bjculkin@mix.wvu.edu>2017-10-08 22:39:59 -0300
committerBenjamin J. Culkin <bjculkin@mix.wvu.edu>2017-10-08 22:39:59 -0300
commitc82e3b3b2de0633317ec8fc85925e91422820597 (patch)
tree96567416ce23c5ce85601f9cedc3a94bb1c55cba /base/src/main/java/bjc/utils/funcutils/FunctionalFileVisitor.java
parentb3ac1c8690c3e14c879913e5dcc03a5f5e14876e (diff)
Start splitting into maven modules
Diffstat (limited to 'base/src/main/java/bjc/utils/funcutils/FunctionalFileVisitor.java')
-rw-r--r--base/src/main/java/bjc/utils/funcutils/FunctionalFileVisitor.java36
1 files changed, 36 insertions, 0 deletions
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<Path> {
+ private final BiPredicate<Path, BasicFileAttributes> predicate;
+ private final BiPredicate<Path, BasicFileAttributes> action;
+
+ public FunctionalFileVisitor(final BiPredicate<Path, BasicFileAttributes> predicate,
+ final BiPredicate<Path, BasicFileAttributes> 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;
+ }
+}