Fix folder creation

owncloudComLibrary/src/main/java/com/owncloud/android/lib/resources/files/CreateRemoteFolderOperation.java

@@ -72,7 +72,15 @@ public class CreateRemoteFolderOperation extends RemoteOperation {
      */
     @Override
     protected RemoteOperationResult run(OwnCloudClient client) {
-        return new RemoteOperationResult<>(ResultCode.INVALID_CHARACTER_IN_NAME);
+        RemoteOperationResult result = createFolder(client);
+        if (!result.isSuccess() && mCreateFullPath &&
+                RemoteOperationResult.ResultCode.CONFLICT == result.getCode()) {
+            result = createParentFolder(FileUtils.getParentPath(mRemotePath), client);
+            if (result.isSuccess()) {
+                result = createFolder(client);    // second (and last) try
+            }
+        }
+        return result;
     }
 
     private RemoteOperationResult createFolder(OwnCloudClient client) {

owncloudComLibrary/src/main/java/com/owncloud/android/lib/resources/files/FileUtils.java

@@ -66,4 +66,21 @@ public class FileUtils {
         }
         return result;
     }
+
+    /**
+     * Validate the fileName to detect if contains any forbidden character: / , \ , < , > ,
+     * : , " , | , ? , *
+     *
+     * @param fileName
+     * @return
+     */
+    public static boolean isValidName(String fileName) {
+        boolean result = true;
+
+        Log_OC.d(TAG, "fileName =======" + fileName);
+        if (fileName.contains(PATH_SEPARATOR)) {
+            result = false;
+        }
+        return result;
+    }
 }