sub/audio name: avoid " (English)" when there are spaces at start of …

…the name

Seen in Modern Family tvshow

src/com/archos/mediacenter/utils/ISO639codes.java

@@ -372,15 +372,25 @@ public static boolean isLanguageInString(String language, String string) {
         return Pattern.compile(pattern, Pattern.CASE_INSENSITIVE).matcher(string).matches();
     }
 
+    public static String removeStartingSpacesAndSurroundingParenthesis(String string) {
+        String result = string.replaceAll("^\\s+", ""); // Remove starting spaces
+        if (!result.contains(")(")) { // no nesting parenthesis
+            result = result.replaceAll("^\\(([^)]*)\\)$", "$1"); // Remove surrounding parenthesis if the content does not contain a closing parenthesis
+        }
+        return result;
+    }
+
     public static String replaceLanguageCodeInString(String string) {
         // treat strings being "l_XYZ" or "l_XY" or "XYZ" or "XY" or "title (l_XYZ)" or "title (l_XY)"
         // and replace it with locale language corresponding to XY or XYZ letter code
         log.debug("replaceLanguageCodeInString: input string=" + string);
         if (string == null) return "";
+        // avoid name=" (l_eng)" with starting space seen in Modern Family show
+        String cleanString = removeStartingSpacesAndSurroundingParenthesis(string);
         String pattern = "(?:^l_([A-Za-z]{2,3}\\b)|\\(l_([A-Za-z]{2,3})\\)$)"; // 2 or 3 letters code
         String languageCode = "";
         Pattern regexPattern = Pattern.compile(pattern);
-        Matcher matcher = regexPattern.matcher(string);
+        Matcher matcher = regexPattern.matcher(cleanString);
         String result = "";
         if (matcher.find()) {
             String languageCode1 = matcher.group(1);
@@ -389,24 +399,24 @@ public static String replaceLanguageCodeInString(String string) {
             if (languageCode1 != null) {
                 languageCode = languageCode1;
                 if (languageCode1.equals("und") || languageCode1.equals("Unknown")) result = ""; // und = undefined
-                else result = capitalizeFirstLetter(string.replaceAll(pattern, ISO639codes.getLanguageNameForLetterCode(languageCode)));
+                else result = capitalizeFirstLetter(cleanString.replaceAll(pattern, ISO639codes.getLanguageNameForLetterCode(languageCode)));
             } else if (languageCode2 != null) {
                 languageCode = languageCode2;
-                result = string.replaceAll(pattern, "(" + ISO639codes.getLanguageNameForLetterCode(languageCode) + ")");
+                result = cleanString.replaceAll(pattern, "(" + ISO639codes.getLanguageNameForLetterCode(languageCode) + ")");
             }
         } else {
             // could be that it is a 2|3 letter code alone: treat this case too
             pattern = "^[A-Za-z]{2,3}$"; // 2 or 3 letters code
             regexPattern = Pattern.compile(pattern);
-            matcher = regexPattern.matcher(string);
+            matcher = regexPattern.matcher(cleanString);
             if (matcher.find()) {
                 languageCode = matcher.group();
                 log.debug("replaceLanguageCodeInString: languageCode=" + languageCode);
                 if (languageCode.equals("und") || languageCode.equals("Unknown")) result = ""; // und = undefined
-                else result = capitalizeFirstLetter(string.replaceAll(pattern, ISO639codes.getLanguageNameForLetterCode(languageCode)));
+                else result = capitalizeFirstLetter(cleanString.replaceAll(pattern, ISO639codes.getLanguageNameForLetterCode(languageCode)));
             } else {
-                log.error("replaceLanguageCodeInString: no languageCode in " + string);
-                result = string;
+                log.error("replaceLanguageCodeInString: no languageCode in " + cleanString);
+                result = cleanString;
             }
         }
         log.debug("replaceLanguageCodeInString: input={} -> result={}", string, result);