Jump to entry key cli (WIP)

src/main/java/org/jabref/cli/ArgumentProcessor.java

@@ -277,6 +277,10 @@ public void processArguments() {
             doAuxImport(loaded);
         }
 
+        if (!cli.isBlank() && cli.isJumpToEntryKey()) {
+            jumpToEntryKey(loaded, cli.getJumpToEntryKey());
+        }
+
         this.parserResults = loaded;
     }
 
@@ -773,6 +777,18 @@ private Optional<ParserResult> fetch(String fetchCommand) {
         }
     }
 
+    private void jumpToEntryKey(List<ParserResult> loaded, String citationKey) {
+        // search for this key in imported files
+        for (ParserResult parserResult : loaded) {
+            Optional<BibEntry> entry = parserResult.getDatabase().getEntryByCitationKey(citationKey);
+            if (entry.isPresent()) {
+                parserResult.setEntryToFocus(entry.get());
+                return;
+            }
+        }
+        LOGGER.error("Could not find given citation key to jump to");
+    }
+
     public boolean isBlank() {
         return cli.isBlank();
     }

src/main/java/org/jabref/cli/JabRefCLI.java

@@ -169,6 +169,14 @@ public String getWriteMetadatatoPdf() {
                         cl.hasOption("embeddBibfileInPdf") ? cl.getOptionValue("embeddBibfileInPdf") : null;
     }
 
+    public String getJumpToEntryKey() {
+        return cl.getOptionValue("jumpToEntryKey");
+    }
+
+    public boolean isJumpToEntryKey() {
+        return cl.hasOption("jumpToEntryKey");
+    }
+
     private static Options getOptions() {
         Options options = new Options();
 
@@ -288,6 +296,14 @@ private static Options getOptions() {
                 .argName("CITEKEY1[,CITEKEY2][,CITEKEYn] | PDF1[,PDF2][,PDFn] | all")
                 .build());
 
+        options.addOption(Option
+                .builder("j")
+                .longOpt("jumpToEntryKey")
+                .desc(String.format("%s: '%s'", Localization.lang("Jump to the BibEntry of the given key."), "-j key"))
+                .hasArg()
+                .argName("ENTRYKEY")
+                .build());
+
         return options;
     }
 

src/main/java/org/jabref/gui/JabRefGUI.java

@@ -25,6 +25,7 @@
 import org.jabref.logic.shared.exception.InvalidDBMSConnectionPropertiesException;
 import org.jabref.logic.shared.exception.NotASharedDatabaseException;
 import org.jabref.logic.util.WebViewStore;
+import org.jabref.model.entry.BibEntry;
 import org.jabref.model.strings.StringUtil;
 import org.jabref.model.util.FileUpdateMonitor;
 import org.jabref.preferences.GuiPreferences;
@@ -201,14 +202,29 @@ private void openDatabases() {
                                         .orElse(preferencesService.getGuiPreferences()
                                                                  .getLastFocusedFile())
                                         .toAbsolutePath();
+        // check whether there is a jump to entry and need to focus different file
+        boolean focusDifferent = false;
+        Optional<BibEntry> focusedEntry = Optional.empty();
+        for (ParserResult parserResult : parserResults) {
+            // Make sure this parser result is its own library instead of imported BibTex entries
+            if (parserResult.getEntryToFocus().isPresent() && !parserResult.toOpenTab()) {
+                focusDifferent = true;
+                focusedEntry = parserResult.getEntryToFocus();
+                break;
+            }
+        }
 
         // Add all bibDatabases databases to the frame:
         boolean first = false;
         for (ParserResult parserResult : parserResults) {
             // Define focused tab
-            if (parserResult.getPath().filter(path -> path.toAbsolutePath().equals(focusedFile)).isPresent()) {
+            if (parserResult.getPath().filter(path -> path.toAbsolutePath().equals(focusedFile)).isPresent() && !focusDifferent) {
                 first = true;
             }
+            if (parserResult.getEntryToFocus().isPresent() && focusDifferent) {
+                first = true;
+                focusDifferent = false;
+            }
 
             if (parserResult.getDatabase().isShared()) {
                 try {
@@ -279,6 +295,11 @@ private void openDatabases() {
 
             OpenDatabaseAction.performPostOpenActions(libraryTab, pr);
         }
+        // focus a particular entry if CLI has received a jump to entry key command
+        if (focusedEntry.isPresent()) {
+            mainFrame.getCurrentLibraryTab().clearAndSelect(focusedEntry.get());
+            mainFrame.showLibraryTab(mainFrame.getCurrentLibraryTab());
+        }
 
         LOGGER.debug("Finished adding panels");
     }

src/main/java/org/jabref/logic/importer/ParserResult.java

@@ -26,6 +26,7 @@ public class ParserResult {
     private boolean invalid;
     private boolean toOpenTab;
     private boolean changedOnMigration = false;
+    private BibEntry entryToFocus;
 
     public ParserResult() {
         this(Collections.emptyList());
@@ -99,6 +100,14 @@ public void setPath(Path path) {
         file = path;
     }
 
+    public Optional<BibEntry> getEntryToFocus() {
+        return Optional.ofNullable(entryToFocus);
+    }
+
+    public void setEntryToFocus(BibEntry bibEntry) {
+        entryToFocus = bibEntry;
+    }
+
     /**
      * Add a parser warning.
      *