Support non-ATOM Gmail labels - fix #334

Author: bshannon

doc/release/CHANGES.txt

@@ -33,6 +33,7 @@ GH  323	Support loading protocol providers using ServiceLoader
 GH  326	Apply relaxed Content-Disposition parsing to Content-Disposition params
 GH  330	Attachment filename is ignored
 GH  332	http proxy support should support authenticating to the proxy server
+GH  334	gimap set labels error with some non english characters
 
 
 		  CHANGES IN THE 1.6.1 RELEASE

gimap/src/main/java/com/sun/mail/gimap/protocol/GmailProtocol.java

@@ -1,7 +1,7 @@
 /*
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
  *
- * Copyright (c) 1997-2017 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997-2018 Oracle and/or its affiliates. All rights reserved.
  *
  * The contents of this file are subject to the terms of either the GNU
  * General Public License Version 2 only ("GPL") or the Common Development
@@ -42,6 +42,7 @@
 
 import java.io.*;
 import java.util.*;
+import java.nio.charset.StandardCharsets;
 
 import com.sun.mail.iap.*;
 import com.sun.mail.imap.protocol.*;
@@ -192,11 +193,12 @@ private void storeLabels(String msgset, String[] labels, boolean set)
 	handleResult(r[r.length-1]);
     }
 
+    // XXX - assume Gmail always supports UTF-8
     private Argument createLabelList(String[] labels) {
 	Argument args = new Argument();	
 	Argument itemArgs = new Argument();
 	for (int i = 0, len = labels.length; i < len; i++)
-	    itemArgs.writeAtom(labels[i]);
+	    itemArgs.writeString(labels[i], StandardCharsets.UTF_8);
 	args.writeArgument(itemArgs);
 	return args;
     }