1 files changed, 110 insertions, 0 deletions
diff --git a/winery/org.eclipse.winery.repository/src/main/java/org/eclipse/winery/repository/backend/filebased/FileUtils.java b/winery/org.eclipse.winery.repository/src/main/java/org/eclipse/winery/repository/backend/filebased/FileUtils.java
new file mode 100644
index 0000000..b970f96
--- /dev/null
+++ b/winery/org.eclipse.winery.repository/src/main/java/org/eclipse/winery/repository/backend/filebased/FileUtils.java
@@ -0,0 +1,110 @@
+/*******************************************************************************
+ * Copyright (c) 2012-2013 University of Stuttgart.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * and the Apache License 2.0 which both accompany this distribution,
+ * and are available at http://www.eclipse.org/legal/epl-v10.html
+ * and http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Contributors:
+ *     Oliver Kopp - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.winery.repository.backend.filebased;
+
+import static java.nio.file.FileVisitResult.CONTINUE;
+
+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;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class FileUtils {
+	
+	private static final Logger logger = LoggerFactory.getLogger(FileUtils.class);
+	
+	
+	/**
+	 * Deletes given path. If path a file, it is directly deleted. If it is a
+	 * directory, the directory is recursively deleted.
+	 * 
+	 * Does not try to change read-only files to read-write files
+	 * 
+	 * Only uses Java7's nio, does not fall back to Java6.
+	 * 
+	 * @param path the path to delete
+	 * @throws IOException
+	 */
+	public static void forceDelete(Path path) throws IOException {
+		if (Files.isDirectory(path)) {
+			try {
+				Files.walkFileTree(path, new SimpleFileVisitor<Path>() {
+					
+					@Override
+					public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
+						try {
+							Files.delete(file);
+						} catch (IOException e) {
+							FileUtils.logger.debug("Could not delete file", e.getMessage());
+						}
+						return CONTINUE;
+					}
+					
+					@Override
+					public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
+						if (exc == null) {
+							try {
+								Files.delete(dir);
+							} catch (IOException e) {
+								FileUtils.logger.debug("Could not delete dir", e);
+							}
+							return CONTINUE;
+						} else {
+							FileUtils.logger.debug("Could not delete file", exc);
+							return CONTINUE;
+						}
+					}
+				});
+			} catch (IOException e) {
+				FileUtils.logger.debug("Could not delete dir", e);
+			}
+		} else {
+			try {
+				Files.delete(path);
+			} catch (IOException e) {
+				FileUtils.logger.debug("Could not delete file", e.getMessage());
+			}
+		}
+	}
+	
+	/**
+	 * Creates the given directory including its parent directories, if they do
+	 * not exist.
+	 * 
+	 * @param path
+	 * @throws IOException
+	 */
+	public static void createDirectory(Path path) throws IOException {
+		Path parent = path.getParent();
+		if (parent == null) {
+			throw new IOException("No parent found");
+		}
+		if (!Files.exists(parent)) {
+			FileUtils.createDirectory(parent);
+		}
+		if (!Files.exists(path)) {
+			Files.createDirectory(path);
+		}
+	}
+	
+	// public static Response readContentFromFile(RepositoryFileReference ref) {
+	// try {
+	// Repository.INSTANCE.readContentFromFile(ref);
+	// }
+	// }
+	
+}