IMAP: improve error logging on network down

git-svn-id: http://svn.code.sf.net/p/davmail/code/trunk@738 3d1905a2-6b24-0410-a738-b14d5a86fcbd

src/java/davmail/exchange/ExchangeSessionFactory.java

@@ -163,7 +163,7 @@ public final class ExchangeSessionFactory {
             BundleMessage message = new BundleMessage("EXCEPTION_CONNECT", exc.getClass().getName(), exc.getMessage());
             if (errorSent) {
                 ExchangeSession.LOGGER.warn(message);
-                throw new NetworkDownException("EXCEPTION_DAVMAIL_CONFIGURATION");
+                throw new NetworkDownException("EXCEPTION_DAVMAIL_CONFIGURATION", message);
             } else {
                 // Mark that an error has been sent so you only get one
                 // error in a row (not a repeating string of errors).

src/java/davmail/exchange/NetworkDownException.java

@@ -31,4 +31,13 @@ public class NetworkDownException extends DavMailException {
     public NetworkDownException(String key) {
         super(key);
     }
+
+    /**
+     * Build a network down exception with the provided BundleMessage key.
+     * @param key message key
+     * @param message detailed message
+     */
+    public NetworkDownException(String key, Object message) {
+        super(key, message);
+    }
 }

src/java/davmail/imap/ImapConnection.java

@@ -470,7 +470,7 @@ public class ImapConnection extends AbstractConnection {
         } catch (Exception e) {
             DavGatewayTray.log(e);
             try {
-                String message = (e.getMessage() == null) ? e.toString() : e.getMessage();
+                String message = ((e.getMessage() == null) ? e.toString() : e.getMessage()).replaceAll("\\n", " ");
                 if (commandId != null) {
                     sendClient(commandId + " BAD unable to handle request: " + message);
                 } else {