From: David ‘Bombe’ Roden <bombe@pterodactylus.net>
Date: Sat, 28 Jul 2012 10:10:22 +0000 (+0200)
Subject: Add method to remove a file and all of its empty parent directories.
X-Git-Url: https://git.pterodactylus.net/?a=commitdiff_plain;h=565ad78c862c9fefcba5fb35fd07e6d2a25746a1;p=demoscenemusic.git

Add method to remove a file and all of its empty parent directories.
---

diff --git a/src/main/java/net/pterodactylus/demoscenemusic/core/DataDirectory.java b/src/main/java/net/pterodactylus/demoscenemusic/core/DataDirectory.java
index 1574f73..faa169e 100644
--- a/src/main/java/net/pterodactylus/demoscenemusic/core/DataDirectory.java
+++ b/src/main/java/net/pterodactylus/demoscenemusic/core/DataDirectory.java
@@ -64,6 +64,25 @@ public class DataDirectory {
 		return new File(file, getFileName(id));
 	}
 
+	/**
+	 * Removes the file and all its directories, up to the
+	 * {@link #dataDirectory}.
+	 *
+	 * @param id
+	 *            The ID of the file to remove
+	 */
+	public void removeFile(String id) {
+		File file = getFile(id);
+		if (file.delete()) {
+			File parentDirectory = file.getParentFile();
+			String lastDirectory = new File(dataDirectory).getAbsolutePath();
+			while (!lastDirectory.equals(parentDirectory.getAbsolutePath()) && (parentDirectory.listFiles().length == 0)) {
+				parentDirectory.delete();
+				parentDirectory = parentDirectory.getParentFile();
+			}
+		}
+	}
+
 	//
 	// PRIVATE METHODS
 	//