closes #38

src/main/java/org/cryptomator/frontend/dokany/ReadWriteAdapter.java

@@ -15,7 +15,6 @@
 import com.dokany.java.structure.FullFileInfo;
 import com.dokany.java.structure.VolumeInformation;
 import com.google.common.base.CharMatcher;
-import com.google.common.base.Strings;
 import com.sun.jna.Pointer;
 import com.sun.jna.WString;
 import com.sun.jna.platform.win32.WinBase;
@@ -153,7 +152,8 @@ private int createDirectory(Path path, CreationDisposition creationDisposition,
 					return Win32ErrorCode.ERROR_ALREADY_EXISTS.getMask();
 				}
 			} catch (FileSystemException e) {
-				if (Strings.nullToEmpty(e.getReason()).contains("path too long")) {
+				final String reason = e.getReason().toLowerCase();
+				if (reason.contains("path too long") || reason.contains("extension too long") || reason.contains("path too long")) {
 					LOG.warn("zwCreateFile(): Creation of {} failed, file name too long.", path);
 					return Win32ErrorCode.ERROR_FILENAME_EXCED_RANGE.getMask();
 				} else {
@@ -193,6 +193,7 @@ private int createDirectory(Path path, CreationDisposition creationDisposition,
 		}
 	}
 
+
 	private int createFile(Path path, CreationDisposition creationDisposition, Set<OpenOption> openOptions, int rawFileAttributes, DokanyFileInfo dokanyFileInfo) {
 		LOG.trace("Try to open {} as File.", path);
 		final int mask = creationDisposition.getMask();
@@ -252,11 +253,12 @@ else if ((attr != null && attr.isReadOnly() || ((rawFileAttributes & FileAttribu
 				LOG.trace("Cause:", e);
 				return Win32ErrorCode.ERROR_ACCESS_DENIED.getMask();
 			} catch (FileSystemException e) {
-				if (Strings.nullToEmpty(e.getReason()).contains("path too long")) {
+				final String reason = e.getReason().toLowerCase();
+				if (reason.contains("path too long") || reason.contains("extension too long") || reason.contains("path too long")) {
 					LOG.warn("zwCreateFile(): Creation of {} failed, file name too long.", path);
 					return Win32ErrorCode.ERROR_FILENAME_EXCED_RANGE.getMask();
 				} else {
-					LOG.debug("zwCreateFile(): IO error occured while opening handle to {}.", path);
+					LOG.debug("zwCreateFile(): IO error occured during the creation of {}.", path);
 					LOG.debug("zwCreateFile(): ", e);
 					return Win32ErrorCode.ERROR_CANNOT_MAKE.getMask();
 				}
@@ -798,7 +800,8 @@ public int moveFile(WString rawPath, WString rawNewFileName, boolean rawReplaceI
 				LOG.trace("({}) Target directory {} is not emtpy.", dokanyFileInfo.Context, path);
 				return Win32ErrorCode.ERROR_DIR_NOT_EMPTY.getMask();
 			} catch (FileSystemException e) {
-				if (Strings.nullToEmpty(e.getReason()).contains("path too long")) {
+				final String reason = e.getReason().toLowerCase();
+				if (reason.contains("path too long") || reason.contains("extension too long") || reason.contains("path too long")) {
 					LOG.warn("({}) Moving resource {} failed, file name too long.", dokanyFileInfo.Context, path);
 					return Win32ErrorCode.ERROR_FILENAME_EXCED_RANGE.getMask();
 				} else {
@@ -964,5 +967,4 @@ private Path getRootedPath(WString rawPath) {
 		assert root.isAbsolute();
 		return root.resolve(relativeUnixPath);
 	}
-
 }