X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=org.argeo.util%2Fsrc%2Forg%2Fargeo%2Futil%2FFsUtils.java;fp=org.argeo.util%2Fsrc%2Forg%2Fargeo%2Futil%2FFsUtils.java;h=2d1363b616394a88725831b877f2937cfdcd9411;hb=51efb630db7314b67654a03d1bd983b45aa2f1ed;hp=0000000000000000000000000000000000000000;hpb=62f4b67f846f67cdfd96340684e9fcf73bbd14ef;p=lgpl%2Fargeo-commons.git

diff --git a/org.argeo.util/src/org/argeo/util/FsUtils.java b/org.argeo.util/src/org/argeo/util/FsUtils.java
new file mode 100644
index 000000000..2d1363b61
--- /dev/null
+++ b/org.argeo.util/src/org/argeo/util/FsUtils.java
@@ -0,0 +1,63 @@
+package org.argeo.util;
+
+import java.io.IOException;
+import java.nio.file.FileVisitResult;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.SimpleFileVisitor;
+import java.nio.file.attribute.BasicFileAttributes;
+
+/** Utilities around the standard Java file abstractions. */
+public class FsUtils {
+	/** Sync a source path with a target path. */
+	public static void sync(Path sourceBasePath, Path targetBasePath) {
+		sync(sourceBasePath, targetBasePath, false);
+	}
+
+	/** Sync a source path with a target path. */
+	public static void sync(Path sourceBasePath, Path targetBasePath, boolean delete) {
+		sync(new BasicSyncFileVisitor(sourceBasePath, targetBasePath, delete, true));
+	}
+
+	public static void sync(BasicSyncFileVisitor syncFileVisitor) {
+		try {
+			Files.walkFileTree(syncFileVisitor.getSourceBasePath(), syncFileVisitor);
+		} catch (Exception e) {
+			throw new RuntimeException("Cannot sync " + syncFileVisitor.getSourceBasePath() + " with "
+					+ syncFileVisitor.getTargetBasePath(), e);
+		}
+	}
+
+	/**
+	 * Deletes this path, recursively if needed. Does nothing if the path does not
+	 * exist.
+	 */
+	public static void delete(Path path) {
+		try {
+			if (!Files.exists(path))
+				return;
+			Files.walkFileTree(path, new SimpleFileVisitor<Path>() {
+				@Override
+				public FileVisitResult postVisitDirectory(Path directory, IOException e) throws IOException {
+					if (e != null)
+						throw e;
+					Files.delete(directory);
+					return FileVisitResult.CONTINUE;
+				}
+
+				@Override
+				public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
+					Files.delete(file);
+					return FileVisitResult.CONTINUE;
+				}
+			});
+		} catch (IOException e) {
+			throw new RuntimeException("Cannot delete " + path, e);
+		}
+	}
+
+	/** Singleton. */
+	private FsUtils() {
+	}
+
+}