Fix custom name formatters

CHANGELOG.md

@@ -88,6 +88,7 @@ We refer to [GitHub issues](https://github.com/JabRef/jabref/issues) by using `#
 - We fixed an issue where the default icon of a group was not colored correctly.
 - We fixed an issue where the first field in entry editor was not focused when adding a new entry. [#4024](https://github.com/JabRef/jabref/issues/4024)
 - We reworked the "Edit file" dialog to make it resizeable and improved the workflow for adding and editing files https://github.com/JabRef/jabref/issues/2970
+- We fixed an issue where custom name formatters were no longer found correctly. [#3531](https://github.com/JabRef/jabref/issues/3531)
 - We fixed an issue where the month was not shown in the preview https://github.com/JabRef/jabref/issues/3239.
 - Rewritten logic to detect a second jabref instance. [#4023](https://github.com/JabRef/jabref/issues/4023)
 - We fixed an issue where the "Convert to BibTeX-Cleanup" moved the content of the `file` field to the `pdf` field [#4120](https://github.com/JabRef/jabref/issues/4120)

src/main/java/org/jabref/logic/layout/LayoutEntry.java

@@ -391,8 +391,7 @@ private void doOptionField(String s) {
         }
     }
 
-    private LayoutFormatter getLayoutFormatterByName(String name) throws Exception {
-
+    private LayoutFormatter getLayoutFormatterByName(String name) {
         switch (name) {
             case "HTMLToLatexFormatter": // For backward compatibility
             case "HtmlToLatex":
@@ -481,8 +480,7 @@ private LayoutFormatter getLayoutFormatterByName(String name) throws Exception {
             case "Iso690NamesAuthors":
                 return new Iso690NamesAuthors();
             case "JournalAbbreviator":
-                return new JournalAbbreviator(prefs.getJournalAbbreviationLoader(),
-                        prefs.getJournalAbbreviationPreferences());
+                return new JournalAbbreviator(prefs.getJournalAbbreviationLoader(), prefs.getJournalAbbreviationPreferences());
             case "LastPage":
                 return new LastPage();
             case "FormatChars": // For backward compatibility
@@ -535,7 +533,7 @@ private LayoutFormatter getLayoutFormatterByName(String name) throws Exception {
             case "WrapFileLinks":
                 return new WrapFileLinks(prefs.getFileLinkPreferences());
             default:
-                return new NotFoundFormatter(name);
+                return null;
         }
     }
 
@@ -544,19 +542,13 @@ private LayoutFormatter getLayoutFormatterByName(String name) throws Exception {
      * string (in order of appearance).
      */
     private List<LayoutFormatter> getOptionalLayout(String formatterName) {
-
         List<List<String>> formatterStrings = parseMethodsCalls(formatterName);
-
         List<LayoutFormatter> results = new ArrayList<>(formatterStrings.size());
-
         Map<String, String> userNameFormatter = NameFormatter.getNameFormatters(prefs.getNameFormatterPreferences());
-
         for (List<String> strings : formatterStrings) {
-
             String nameFormatterName = strings.get(0).trim();
 
             // Check if this is a name formatter defined by this export filter:
-
             Optional<String> contents = prefs.getCustomExportNameFormatter(nameFormatterName);
             if (contents.isPresent()) {
                 NameFormatter nf = new NameFormatter();
@@ -566,22 +558,18 @@ private List<LayoutFormatter> getOptionalLayout(String formatterName) {
             }
 
             // Try to load from formatters in formatter folder
-            try {
-                LayoutFormatter f = getLayoutFormatterByName(nameFormatterName);
-                // If this formatter accepts an argument, check if we have one, and
-                // set it if so:
-                if ((f instanceof ParamLayoutFormatter) && (strings.size() >= 2)) {
-                    ((ParamLayoutFormatter) f).setArgument(strings.get(1));
+            LayoutFormatter formatter = getLayoutFormatterByName(nameFormatterName);
+            if (formatter != null) {
+                // If this formatter accepts an argument, check if we have one, and set it if so
+                if ((formatter instanceof ParamLayoutFormatter) && (strings.size() >= 2)) {
+                    ((ParamLayoutFormatter) formatter).setArgument(strings.get(1));
                 }
-                results.add(f);
+                results.add(formatter);
                 continue;
-            } catch (Exception ex) {
-                LOGGER.info("Problem with formatter", ex);
             }
 
             // Then check whether this is a user defined formatter
             String formatterParameter = userNameFormatter.get(nameFormatterName);
-
             if (formatterParameter != null) {
                 NameFormatter nf = new NameFormatter();
                 nf.setParameter(formatterParameter);

src/main/java/org/jabref/logic/layout/format/NameFormatter.java

@@ -124,7 +124,6 @@ private static String format(String toFormat, AuthorList al, String[] formats) {
     }
 
     public String format(String toFormat, String inParameters) {
-
         AuthorList al = AuthorList.parse(toFormat);
         String parameters;
 

src/main/java/org/jabref/logic/layout/format/NotFoundFormatter.java

@@ -11,9 +11,7 @@ public class NotFoundFormatter implements LayoutFormatter {
 
     private final String notFound;
 
-
     public NotFoundFormatter(String notFound) {
-
         this.notFound = notFound;
     }
 

src/test/java/org/jabref/logic/layout/LayoutTest.java

@@ -6,6 +6,7 @@
 import java.util.Collections;
 
 import org.jabref.logic.layout.format.FileLinkPreferences;
+import org.jabref.logic.layout.format.NameFormatterPreferences;
 import org.jabref.model.entry.BibEntry;
 import org.jabref.model.entry.BibtexEntryTypes;
 import org.jabref.model.entry.CustomEntryType;
@@ -98,8 +99,10 @@ void HTMLCharsWithDotlessIAndTiled() throws IOException {
                 layoutText);
     }
 
+    /**
+     * Test for http://discourse.jabref.org/t/the-wrapfilelinks-formatter/172 (the example in the help files)
+     */
     @Test
-        // Test for http://discourse.jabref.org/t/the-wrapfilelinks-formatter/172 (the example in the help files)
     void wrapFileLinksExpandFile() throws IOException {
         when(layoutFormatterPreferences.getFileLinkPreferences()).thenReturn(
                 new FileLinkPreferences(Collections.emptyList(), Collections.singletonList("src/test/resources/pdfs/")));
@@ -121,4 +124,15 @@ void expandCommandIfTerminatedByMinus() throws IOException {
 
         assertEquals("2-th ed.-", layoutText);
     }
+
+    @Test
+    void customNameFormatter() throws IOException {
+        when(layoutFormatterPreferences.getNameFormatterPreferences()).thenReturn(
+                new NameFormatterPreferences(Collections.singletonList("DCA"), Collections.singletonList("1@*@{ll}@@2@1..1@{ff}{ll}@2..2@ and {ff}{l}@@*@*@more")));
+        BibEntry entry = new BibEntry(BibtexEntryTypes.ARTICLE).withField("author", "Joe Doe and Mary Jane");
+
+        String layoutText = layout("\\begin{author}\\format[DCA]{\\author}\\end{author}", entry);
+
+        assertEquals("JoeDoe and MaryJ", layoutText);
+    }
 }