replaced by IntConverter and removed try-catch

Author: chrjohn

quickfixj-core/src/main/java/quickfix/SessionSettings.java

@@ -49,6 +49,7 @@
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import java.util.stream.Collectors;
+import quickfix.field.converter.IntConverter;
 
 /**
  * Settings for sessions. Settings are grouped by FIX version and target company
@@ -339,11 +340,7 @@ public int getIntOrDefault(String key, int defaultValue) throws ConfigError, Fie
      * @throws FieldConvertError error during field type conversion.
      */
     public int getInt(SessionID sessionID, String key) throws ConfigError, FieldConvertError {
-        try {
-            return Integer.parseInt(getString(sessionID, key));
-        } catch (final NumberFormatException e) {
-            throw new FieldConvertError(e.getMessage());
-        }
+        return IntConverter.convert(getString(sessionID, key));
     }
 
     /**