add metadata seralization

Author: faneeshh

jablib/src/main/java/org/jabref/logic/exporter/MetaDataSerializer.java

@@ -48,6 +48,8 @@ public static Map<String, String> getSerializedStringMap(MetaData metaData,
         stringyMetaData.putAll(serializeCiteKeyPatterns(metaData, globalCiteKeyPatterns));
         metaData.getMode().ifPresent(
                 mode -> stringyMetaData.put(MetaData.DATABASE_TYPE, List.of(mode.getAsString())));
+        metaData.getLibraryAbbreviationType().ifPresent(
+                abbreviationType -> stringyMetaData.put(MetaData.LIBRARY_ABBREVIATION_TYPE, List.of(abbreviationType.name())));
         metaData.getLibrarySpecificFileDirectory().ifPresent(
                 path -> stringyMetaData.put(MetaData.FILE_DIRECTORY, List.of(path.trim())));
         metaData.getUserFileDirectories().forEach((user, path) -> stringyMetaData

jablib/src/main/java/org/jabref/logic/importer/util/MetaDataParser.java

@@ -20,6 +20,7 @@
 import org.jabref.logic.formatter.bibtexfields.NormalizeMonthFormatter;
 import org.jabref.logic.formatter.bibtexfields.NormalizePagesFormatter;
 import org.jabref.logic.importer.ParseException;
+import org.jabref.logic.journals.AbbreviationType;
 import org.jabref.logic.layout.format.ReplaceUnicodeLigaturesFormatter;
 import org.jabref.logic.util.Version;
 import org.jabref.logic.util.strings.StringUtil;
@@ -130,6 +131,12 @@ public MetaData parse(MetaData metaData, Map<String, String> data, Character key
                 metaData.setSaveActions(fieldFormatterCleanupsParse(values));
             } else if (MetaData.DATABASE_TYPE.equals(entry.getKey())) {
                 metaData.setMode(BibDatabaseMode.parse(getSingleItem(values)));
+            } else if (MetaData.LIBRARY_ABBREVIATION_TYPE.equals(entry.getKey())) {
+                try {
+                    metaData.setLibraryAbbreviationType(AbbreviationType.valueOf(getSingleItem(values)));
+                } catch (IllegalArgumentException e) {
+                    LOGGER.debug("Unknown library abbreviation type: {}", getSingleItem(values), e);
+                }
             } else if (MetaData.KEYPATTERNDEFAULT.equals(entry.getKey())) {
                 defaultCiteKeyPattern = new CitationKeyPattern(getSingleItem(values));
             } else if (MetaData.PROTECTED_FLAG_META.equals(entry.getKey())) {