fix for 9699. Added bimap for language-lcid mapping

CHANGELOG.md

@@ -17,11 +17,11 @@ Note that this project **does not** adhere to [Semantic Versioning](http://semve
 - We added "Attach file from URL" to right-click context menu to download and store a file with the reference library. [#9646](https://github.com/JabRef/jabref/issues/9646)
 - We enabled updating an existing entry with data from InspireHEP. [#9351](https://github.com/JabRef/jabref/issues/9351)
 - We added a fetcher for the Bibliotheksverbund Bayern (experimental). [#9641](https://github.com/JabRef/jabref/pull/9641)
+- We added support for multiple languages for exporting to and importing references from MS Office. [#9699](https://github.com/JabRef/jabref/issues/9699)
 - We enabled scrolling in the groups list when dragging a group on another group. [#2869](https://github.com/JabRef/jabref/pull/2869)
 
 
 
-
 ### Changed
 
 - 'Get full text' now also checks the file url. [#568](https://github.com/koppor/jabref/issues/568)
@@ -381,7 +381,7 @@ Note that this project **does not** adhere to [Semantic Versioning](http://semve
 - We moved the union/intersection view button in the group sidepane to the left of the other controls. [#8202](https://github.com/JabRef/jabref/pull/8202)
 - We improved the Drag and Drop behavior in the "Customize Entry Types" Dialog [#6338](https://github.com/JabRef/jabref/issues/6338)
 - When determining the URL of an ArXiV eprint, the URL now points to the version [#8149](https://github.com/JabRef/jabref/pull/8149)
-- We Included all standard fields with citation key when exporting to Old OpenOffice/LibreOffice Calc Format [#8176](https://github.com/JabRef/jabref/pull/8176)
+- We Included all standard fields with citation key when exporting to Old OpenOffice/LibreExpoa Calc Format [#8176](https://github.com/JabRef/jabref/pull/8176)
 - In case the database is encoded with `UTF8`, the `% Encoding` marker is not written anymore
 - The written `.bib` file has the same line endings [#390](https://github.com/koppor/jabref/issues/390)
 - The written `.bib` file always has a final line break

src/main/java/org/jabref/logic/msbib/MSBibConverter.java

@@ -71,7 +71,6 @@ public static MSBibEntry convert(BibEntry entry) {
         result.journalName = entry.getFieldOrAliasLatexFree(StandardField.JOURNAL).orElse(null);
 
         // Value must be converted
-        // Currently only english is supported
         entry.getLatexFreeField(StandardField.LANGUAGE)
              .ifPresent(lang -> result.fields.put("LCID", String.valueOf(MSBibMapping.getLCID(lang))));
         StringBuilder sbNumber = new StringBuilder();

src/main/java/org/jabref/logic/msbib/MSBibMapping.java

@@ -11,6 +11,7 @@
 import org.jabref.model.entry.types.IEEETranEntryType;
 import org.jabref.model.entry.types.StandardEntryType;
 
+import com.google.common.collect.BiMap;
 import com.google.common.collect.HashBiMap;
 
 /**
@@ -22,7 +23,48 @@ public class MSBibMapping {
     private static final String BIBTEX_PREFIX = "BIBTEX_";
     private static final String MSBIB_PREFIX = "msbib-";
 
-    private static final HashBiMap<Field, String> BIBLATEX_TO_MS_BIB = HashBiMap.create();
+    private static final BiMap<Field, String> BIBLATEX_TO_MS_BIB = HashBiMap.create();
+
+
+    // https://learn.microsoft.com/en-us/openspecs/office_standards/ms-oe376/6c085406-a698-4e12-9d4d-c3b0ee3dbc4a
+    private static final BiMap<String, Integer> LANG_TO_LCID = HashBiMap.create();
+
+    static {
+        LANG_TO_LCID.put("basque", 1609);
+        LANG_TO_LCID.put("bulgarian", 1026);
+        LANG_TO_LCID.put("catalan", 1027);
+        LANG_TO_LCID.put("croatian", 1050);
+        LANG_TO_LCID.put("czech", 1029);
+        LANG_TO_LCID.put("danish", 1030);
+        LANG_TO_LCID.put("dutch", 1043);
+        LANG_TO_LCID.put("english", 1033); // american english
+        LANG_TO_LCID.put("finnish", 1035);
+        LANG_TO_LCID.put("french", 1036);
+        LANG_TO_LCID.put("german", 1031);
+        LANG_TO_LCID.put("austrian", 3079);
+        LANG_TO_LCID.put("swissgerman", 2055);
+        LANG_TO_LCID.put("greek", 1032);
+        LANG_TO_LCID.put("hungarian", 1038);
+        LANG_TO_LCID.put("icelandic", 1039);
+        LANG_TO_LCID.put("italian", 1040);
+        LANG_TO_LCID.put("latvian", 1062);
+        LANG_TO_LCID.put("lithuanian", 1063);
+        LANG_TO_LCID.put("marathi", 1102);
+        LANG_TO_LCID.put("nynorsk", 2068);
+        LANG_TO_LCID.put("polish", 1045);
+        LANG_TO_LCID.put("brazil", 1046);
+        LANG_TO_LCID.put("portuguese", 2070);
+        LANG_TO_LCID.put("romanian", 1048);
+        LANG_TO_LCID.put("russian", 1049);
+        LANG_TO_LCID.put("serbian", 2074);
+        LANG_TO_LCID.put("serbianc", 3098);
+        LANG_TO_LCID.put("slovak", 1051);
+        LANG_TO_LCID.put("slovene", 1060);
+        LANG_TO_LCID.put("spanish", 3082);
+        LANG_TO_LCID.put("swedish", 1053);
+        LANG_TO_LCID.put("turkish", 1055);
+        LANG_TO_LCID.put("ukrainian", 1058);
+    }
 
     static {
         BIBLATEX_TO_MS_BIB.put(InternalField.KEY_FIELD, "Tag");
@@ -123,27 +165,23 @@ public static MSBibEntryType getMSBibEntryType(EntryType bibtexType) {
     }
 
     /**
-     * Only English is supported <br>
      * <a href="http://www.microsoft.com/globaldev/reference/lcid-all.mspx">All LCID codes</a>
      *
      * @param language The language to transform
-     * @return Returns 0 for English
+     * @return 1033 (american english) as default. LCID otherwise.
      */
     public static int getLCID(String language) {
-        // TODO: add language to LCID mapping
-        // 0x0409 is American English
-        return 0x0409;
+        return LANG_TO_LCID.getOrDefault(language, 1033);
     }
 
     /**
-     * Only English is supported <br>
      * <a href="http://www.microsoft.com/globaldev/reference/lcid-all.mspx">All LCID codes</a>
      *
-     * @return Returns english
+     * @param  LCID The LCID to transform
+     * @return "english" as default. Corresponding language from BiMap otherwise.
      */
     public static String getLanguage(int LCID) {
-        // TODO: add language to LCID mapping
-        return "english";
+        return LANG_TO_LCID.inverse().getOrDefault(LCID, "english");
     }
 
     public static String getMSBibField(Field field) {

src/test/java/org/jabref/logic/msbib/MSBibConverterTest.java

@@ -0,0 +1,42 @@
+package org.jabref.logic.msbib;
+
+import java.util.Optional;
+
+import org.jabref.model.entry.BibEntry;
+import org.jabref.model.entry.field.StandardField;
+import org.jabref.model.entry.types.StandardEntryType;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+class MSBibConverterTest {
+
+    private final BibEntry BIB_ENTRY_TEST = new BibEntry(StandardEntryType.InProceedings)
+            .withField(StandardField.AUTHOR, "Igor Steinmacher and Tayana Uchoa Conte and Christoph Treude and Marco Aurélio Gerosa")
+            .withField(StandardField.DATE, "14-22 May 2016")
+            .withField(StandardField.YEAR, "2016")
+            .withField(StandardField.EVENTDATE, "14-22 May 2016")
+            .withField(StandardField.EVENTTITLEADDON, "Austin, TX, USA")
+            .withField(StandardField.LOCATION, "Austin, TX, USA")
+            .withField(StandardField.DOI, "10.1145/2884781.2884806")
+            .withField(StandardField.JOURNALTITLE, "2016 IEEE/ACM 38th International Conference on Software Engineering (ICSE)")
+            .withField(StandardField.PAGES, "273--284")
+            .withField(StandardField.ISBN, "978-1-5090-2071-3")
+            .withField(StandardField.ISSN, "1558-1225")
+            .withField(StandardField.LANGUAGE, "english")
+            .withField(StandardField.PUBLISHER, "IEEE")
+            .withField(StandardField.KEYWORDS, "Portals, Documentation, Computer bugs, Joining processes, Industries, Open source software, Newcomers, Newbies, Novices, Beginners, Open Source Software, Barriers, Obstacles, Onboarding, Joining Process")
+            .withField(StandardField.TITLE, "Overcoming Open Source Project Entry Barriers with a Portal for Newcomers")
+            .withField(StandardField.FILE, ":https\\://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=7886910:PDF");
+
+    private BibEntry entry;
+
+    @Test
+    void convert() {
+        entry = BIB_ENTRY_TEST;
+        MSBibConverter.convert(entry);
+
+        assertEquals(Optional.of("english"), entry.getField(StandardField.LANGUAGE));
+    }
+}

src/test/java/org/jabref/logic/msbib/MsBibMappingTest.java

@@ -0,0 +1,31 @@
+package org.jabref.logic.msbib;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class MsBibMappingTest {
+    @Test
+    public void testGetLanguage() {
+        String lang = MSBibMapping.getLanguage(1609);
+        assertEquals("basque", lang);
+    }
+
+    @Test
+    public void testGetLCID() {
+        int lcid = MSBibMapping.getLCID("basque");
+        assertEquals(1609, lcid);
+    }
+
+    @Test
+    public void testGetInvalidLanguage() {
+        String lang = MSBibMapping.getLanguage(1234567);
+        assertEquals("english", lang);
+    }
+
+    @Test
+    public void testInvalidLCID() {
+        int lcid = MSBibMapping.getLCID("not a language");
+        assertEquals(1033, lcid);
+    }
+}