Preparations/changes for global image sync

1 files changed, 36 insertions, 0 deletions

diff --git a/src/main/java/org/openslx/util/FsUtil.java b/src/main/java/org/openslx/util/FsUtil.java
new file mode 100644
index 0000000..76571ef
--- /dev/null
+++ b/src/main/java/org/openslx/util/FsUtil.java
@@ -0,0 +1,36 @@
+package org.openslx.util;
+
+import java.io.File;
+
+import org.apache.log4j.Logger;
+
+public class FsUtil
+{
+	
+	private static final Logger LOGGER = Logger.getLogger( FsUtil.class );
+
+	public static String getRelativePath( File absolutePath, File parentDir )
+	{
+		String file;
+		String dir;
+		try {
+			file = absolutePath.getCanonicalPath();
+			dir = parentDir.getCanonicalPath() + File.separator;
+		} catch ( Exception e ) {
+			LOGGER.error( "Could not get relative path for " + absolutePath.toString(), e );
+			return null;
+		}
+		if ( !file.startsWith( dir ) )
+			return null;
+		return file.substring( dir.length() );
+	}
+
+	public static String sanitizeFileName( String fileName )
+	{
+		fileName = fileName.replaceAll( "[^a-zA-Z0-9_\\-]+", "_" );
+		if ( fileName.length() > 40 )
+			fileName = fileName.substring( 0, 40 );
+		return fileName;
+	}
+
+}