fix empty drop down list in ConfigLanguage after wrong/empty download

+ add xliff translated attribut
+ append japanese lng name

htroot/ConfigLanguage_p.java

@@ -102,25 +102,23 @@ public class ConfigLanguage_p {
                 try {
                     final DigestURL u = new DigestURL(url);
                     it = FileUtils.strings(u.get(ClientIdentification.yacyInternetCrawlerAgent, null, null));
+                    try {
+                        final File langFile = new File(langPath, url.substring(url.lastIndexOf('/'), url.length()));
+                        final OutputStreamWriter bw = new OutputStreamWriter(new FileOutputStream(langFile), StandardCharsets.UTF_8.name());
+
+                        while (it.hasNext()) {
+                            bw.write(it.next() + "\n");
+                        }
+                        bw.close();
+                        if (post.containsKey("use_lang") && "on".equals(post.get("use_lang"))) {
+                            Translator.changeLang(env, langPath, url.substring(url.lastIndexOf('/'), url.length()));
+                        }
+                    } catch (final IOException e) {
+                        prop.put("status", "2");//error saving the language file
+                    }
                 } catch(final IOException e) {
                     prop.put("status", "1");//unable to get url
                     prop.put("status_url", url);
-                    return prop;
-                }
-                try {
-                    final File langFile = new File(langPath, url.substring(url.lastIndexOf('/'), url.length()));
-                    final OutputStreamWriter bw = new OutputStreamWriter(new FileOutputStream(langFile), StandardCharsets.UTF_8.name());
-
-                    while (it.hasNext()) {
-                        bw.write(it.next() + "\n");
-                    }
-                    bw.close();
-                } catch(final IOException e) {
-                    prop.put("status", "2");//error saving the language file
-                    return prop;
-                }
-                if (post.containsKey("use_lang") && "on".equals(post.get("use_lang"))) {
-                    Translator.changeLang(env, langPath, url.substring(url.lastIndexOf('/'), url.length()));
                 }
             }
         }

source/net/yacy/data/Translator.java

@@ -236,7 +236,7 @@ public class Translator {
             "default/English,de/Deutsch,fr/Français,nl/Nederlands,it/Italiano,es/Español,pt/Portugês,fi/Suomi,se/Svenska,dk/Dansk," +
             "gr/Eλληvικα,sk/Slovensky,cn/汉语/漢語," +
             "ru/Русский,uk/Українська," + 
-            "hi/हिन्दी"
+            "hi/हिन्दी,ja/日本語"
             );
         final Map<String, String> map = new HashMap<String, String>();
         for (final String element : ms) {

source/net/yacy/utils/translation/TranslatorXliff.java

@@ -182,7 +182,7 @@ public class TranslatorXliff extends Translator {
                     output.write("    <trans-unit id=\"" + Integer.toHexString(source.hashCode()) + "\" xml:space=\"preserve\" approved=\"no\">\n");
                     output.write("       <source>" + toXmlStr(source) + "</source>\n");
                     if (target != null && !target.isEmpty()) { // omitt target text if not available
-                        output.write("       <target>" + toXmlStr(target) + "</target>\n");
+                        output.write("       <target" + (target.equals(source) ? "" : " state='translated'") + ">" + toXmlStr(target) + "</target>\n");
                     }
                     output.write("    </trans-unit>\n");
                 }