Add suberror for network errors

Author: rpdome

changelog

@@ -2,6 +2,7 @@ MSAL Wiki : https://github.com/AzureAD/microsoft-authentication-library-for-andr
 
 vNext
 ----------
+-[MINOR] Add suberror for network errors (#2218)
 -[MINOR] Migrate Base64 away from Msebera (#2210)
 
 Version 5.7.0

common

@@ -1647,7 +1647,7 @@ private MsalException baseExceptionToMsalException(@NonNull final BaseException
             );
         }
 
-        return new MsalClientException(exception.getErrorCode(), exception.getMessage());
+        return MsalExceptionAdapter.msalExceptionFromBaseException(exception);
     }
 
     /**

msal/src/main/java/com/microsoft/identity/client/PublicClientApplication.java

@@ -58,10 +58,9 @@ public final class MsalUiRequiredException extends MsalException {
      */
     public static final String NO_ACCOUNT_FOUND = ErrorStrings.NO_ACCOUNT_FOUND;
 
-    @Getter
-    @Accessors(prefix = "m")
-    @Nullable
-    private String mOauthSubErrorCode;
+    public String getOauthSubErrorCode(){
+        return super.getSubErrorCode();
+    }
 
     /**
      * Constructor of MsalUiRequiredException.
@@ -90,15 +89,4 @@ public MsalUiRequiredException(final String errorCode, final String errorMessage
     public MsalUiRequiredException(final String errorCode, final String errorMessage, final Throwable throwable) {
         super(errorCode, errorMessage, throwable);
     }
-
-    /**
-     * Constructor of MsalUiRequiredException.
-     * @param errorCode         String
-     * @param oauthSubErrorCode String
-     * @param errorMessage      String
-     */
-    public MsalUiRequiredException(final String errorCode, @Nullable final String oauthSubErrorCode, final String errorMessage) {
-        super(errorCode, errorMessage);
-        mOauthSubErrorCode = oauthSubErrorCode;
-    }
 }

msal/src/main/java/com/microsoft/identity/client/exception/MsalUiRequiredException.java

@@ -42,6 +42,12 @@
 public class MsalExceptionAdapter {
 
     public static MsalException msalExceptionFromBaseException(final BaseException e) {
+        final MsalException result = msalExceptionFromBaseExceptionInternal(e);
+        result.setSubErrorCode(e.getSubErrorCode());
+        return result;
+    }
+
+    private static MsalException msalExceptionFromBaseExceptionInternal(final BaseException e) {
         if (e instanceof MsalException) {
             return  (MsalException) e;
         }
@@ -69,8 +75,8 @@ public static MsalException msalExceptionFromBaseException(final BaseException e
             final UiRequiredException uiRequiredException = ((UiRequiredException) e);
             return new MsalUiRequiredException(
                     uiRequiredException.getErrorCode(),
-                    uiRequiredException.getOAuthSubErrorCode(),
-                    uiRequiredException.getMessage()
+                    uiRequiredException.getMessage(),
+                    uiRequiredException
             );
         }