Added option in preferences to use custom URL base for DOI generation

src/main/java/org/jabref/gui/fieldeditors/IdentifierEditor.java

@@ -36,7 +36,7 @@ public IdentifierEditor(Field field,
                             SuggestionProvider<?> suggestionProvider,
                             FieldCheckers fieldCheckers,
                             PreferencesService preferences) {
-        this.viewModel = new IdentifierEditorViewModel(field, suggestionProvider, taskExecutor, dialogService, fieldCheckers);
+        this.viewModel = new IdentifierEditorViewModel(field, suggestionProvider, taskExecutor, dialogService, fieldCheckers, preferences);
 
         ViewLoader.view(this)
                   .root(this)
@@ -50,6 +50,7 @@ public IdentifierEditor(Field field,
                 new Tooltip(Localization.lang("Look up %0", field.getDisplayName())));
 
         if (field.equals(StandardField.DOI)) {
+
             textArea.initContextMenu(EditorMenus.getDOIMenu(textArea));
         } else {
             textArea.initContextMenu(new DefaultMenu(textArea));

src/main/java/org/jabref/gui/fieldeditors/IdentifierEditorViewModel.java

@@ -21,7 +21,10 @@
 import org.jabref.logic.l10n.Localization;
 import org.jabref.model.entry.BibEntry;
 import org.jabref.model.entry.field.Field;
+import org.jabref.model.entry.field.StandardField;
+import org.jabref.model.entry.identifier.DOI;
 import org.jabref.model.entry.identifier.Identifier;
+import org.jabref.preferences.PreferencesService;
 
 import com.tobiasdiez.easybind.EasyBind;
 
@@ -32,12 +35,16 @@ public class IdentifierEditorViewModel extends AbstractEditorViewModel {
     private final ObjectProperty<Optional<? extends Identifier>> identifier = new SimpleObjectProperty<>();
     private final TaskExecutor taskExecutor;
     private final DialogService dialogService;
+    private final Field field;
+    private PreferencesService preferences;
 
-    public IdentifierEditorViewModel(Field field, SuggestionProvider<?> suggestionProvider, TaskExecutor taskExecutor, DialogService dialogService, FieldCheckers fieldCheckers) {
+    public IdentifierEditorViewModel(Field field, SuggestionProvider<?> suggestionProvider, TaskExecutor taskExecutor, DialogService dialogService, FieldCheckers fieldCheckers, PreferencesService preferences) {
         super(field, suggestionProvider, fieldCheckers);
 
         this.taskExecutor = taskExecutor;
         this.dialogService = dialogService;
+        this.preferences = preferences;
+        this.field = field;
 
         identifier.bind(
                 EasyBind.map(text, input -> IdentifierParser.parse(field, input))
@@ -67,6 +74,15 @@ public BooleanProperty validIdentifierIsNotPresentProperty() {
     }
 
     public void openExternalLink() {
+        if (field.equals(StandardField.DOI) && preferences.getDOIPreferences().isUseCustom()) {
+            String baseURI = preferences.getDOIPreferences().getDefaultBaseURI();
+            openDOIWithCustomBase(baseURI);
+        } else {
+            openExternalLinkDefault();
+        }
+    }
+
+    public void openExternalLinkDefault() {
         identifier.get().flatMap(Identifier::getExternalURI).ifPresent(
                 url -> {
                     try {
@@ -78,6 +94,18 @@ public void openExternalLink() {
         );
     }
 
+    public void openDOIWithCustomBase(String baseURI) {
+        identifier.get().map(x -> (DOI) x).flatMap(x -> x.getExternalURIWithCustomBase(baseURI)).ifPresent(
+                uri -> {
+                    try {
+                        JabRefDesktop.openBrowser(uri);
+                    } catch (IOException ex) {
+                        dialogService.showErrorDialogAndWait(Localization.lang("Unable to open link."), ex);
+                    }
+                }
+        );
+    }
+
     public boolean getIdentifierLookupInProgress() {
         return identifierLookupInProgress.get();
     }

src/main/java/org/jabref/gui/preferences/PreferencesDialogViewModel.java

@@ -14,6 +14,7 @@
 import org.jabref.gui.JabRefFrame;
 import org.jabref.gui.preferences.appearance.AppearanceTab;
 import org.jabref.gui.preferences.citationkeypattern.CitationKeyPatternTab;
+import org.jabref.gui.preferences.customization.CustomizationTab;
 import org.jabref.gui.preferences.entryeditor.EntryEditorTab;
 import org.jabref.gui.preferences.entryeditortabs.CustomEditorFieldsTab;
 import org.jabref.gui.preferences.exporter.ExportCustomizationTab;
@@ -74,6 +75,7 @@ public PreferencesDialogViewModel(DialogService dialogService, PreferencesServic
                 new JournalAbbreviationsTab(),
                 new GroupsTab(),
                 new EntryEditorTab(),
+                new CustomizationTab(),
                 new CustomEditorFieldsTab(),
                 new CitationKeyPatternTab(),
                 new LinkedFilesTab(),

src/main/java/org/jabref/gui/preferences/customization/CustomizationTab.fxml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.scene.control.CheckBox?>
+<?import javafx.scene.control.TextField?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.layout.VBox?>
+<?import javafx.scene.layout.HBox?>
+<fx:root spacing="10.0" type="VBox"
+         xmlns="http://javafx.com/javafx" xmlns:fx="http://javafx.com/fxml"
+         fx:controller="org.jabref.gui.preferences.customization.CustomizationTab">
+    <Label styleClass="titleHeader" text="%Customization"/>
+
+    <Label styleClass="sectionHeader" text="%Custom DOI URI"/>
+    <HBox alignment="CENTER_LEFT" spacing="10.0">
+        <CheckBox fx:id="useCustomDOI" text="%Use custom DOI base URI for article access"/>
+        <TextField fx:id="useCustomDOIName" HBox.hgrow="ALWAYS"/>
+    </HBox>
+</fx:root>

src/main/java/org/jabref/gui/preferences/customization/CustomizationTab.java

@@ -0,0 +1,36 @@
+package org.jabref.gui.preferences.customization;
+
+import javafx.fxml.FXML;
+import javafx.scene.control.CheckBox;
+import javafx.scene.control.TextField;
+
+import org.jabref.gui.preferences.AbstractPreferenceTabView;
+import org.jabref.gui.preferences.PreferencesTab;
+import org.jabref.logic.l10n.Localization;
+
+import com.airhacks.afterburner.views.ViewLoader;
+
+public class CustomizationTab extends AbstractPreferenceTabView<CustomizationTabViewModel> implements PreferencesTab {
+
+    @FXML private CheckBox useCustomDOI;
+    @FXML private TextField useCustomDOIName;
+
+    public CustomizationTab() {
+        ViewLoader.view(this)
+                  .root(this)
+                  .load();
+    }
+
+    @Override
+    public String getTabName() {
+        return Localization.lang("Customization");
+    }
+
+    public void initialize() {
+        this.viewModel = new CustomizationTabViewModel(dialogService, preferencesService);
+
+        useCustomDOI.selectedProperty().bindBidirectional(viewModel.useCustomDOIProperty());
+        useCustomDOIName.textProperty().bindBidirectional(viewModel.useCustomDOINameProperty());
+        useCustomDOIName.disableProperty().bind(useCustomDOI.selectedProperty().not());
+    }
+}

src/main/java/org/jabref/gui/preferences/customization/CustomizationTabViewModel.java

@@ -0,0 +1,48 @@
+package org.jabref.gui.preferences.customization;
+
+import javafx.beans.property.BooleanProperty;
+import javafx.beans.property.SimpleBooleanProperty;
+import javafx.beans.property.SimpleStringProperty;
+import javafx.beans.property.StringProperty;
+
+import org.jabref.gui.DialogService;
+import org.jabref.gui.preferences.PreferenceTabViewModel;
+import org.jabref.logic.preferences.DOIPreferences;
+import org.jabref.preferences.PreferencesService;
+
+public class CustomizationTabViewModel implements PreferenceTabViewModel {
+
+    private final BooleanProperty useCustomDOIProperty = new SimpleBooleanProperty();
+    private final StringProperty useCustomDOINameProperty = new SimpleStringProperty("");
+
+    private final DialogService dialogService;
+    private final PreferencesService preferencesService;
+    private final DOIPreferences initialDOIPreferences;
+
+    public CustomizationTabViewModel(DialogService dialogService, PreferencesService preferencesService) {
+        this.dialogService = dialogService;
+        this.preferencesService = preferencesService;
+        this.initialDOIPreferences = preferencesService.getDOIPreferences();
+    }
+
+    @Override
+    public void setValues() {
+        useCustomDOIProperty.setValue(initialDOIPreferences.isUseCustom());
+        useCustomDOINameProperty.setValue(initialDOIPreferences.getDefaultBaseURI());
+    }
+
+    @Override
+    public void storeSettings() {
+        preferencesService.storeDOIPreferences(new DOIPreferences(
+                useCustomDOIProperty.getValue(),
+                useCustomDOINameProperty.getValue().trim()));
+    }
+
+    public BooleanProperty useCustomDOIProperty() {
+        return this.useCustomDOIProperty;
+    }
+
+    public StringProperty useCustomDOINameProperty() {
+        return this.useCustomDOINameProperty;
+    }
+}

src/main/java/org/jabref/gui/preferences/general/GeneralTab.java

@@ -26,6 +26,7 @@
 
 public class GeneralTab extends AbstractPreferenceTabView<GeneralTabViewModel> implements PreferencesTab {
 
+    private final ControlsFxVisualizer validationVisualizer = new ControlsFxVisualizer();
     @FXML private ComboBox<Language> language;
     @FXML private ComboBox<Charset> defaultEncoding;
     @FXML private ComboBox<BibDatabaseMode> biblatexMode;
@@ -42,8 +43,6 @@ public class GeneralTab extends AbstractPreferenceTabView<GeneralTabViewModel> i
     @FXML private CheckBox addCreationDate;
     @FXML private CheckBox addModificationDate;
 
-    private final ControlsFxVisualizer validationVisualizer = new ControlsFxVisualizer();
-
     public GeneralTab() {
         ViewLoader.view(this)
                   .root(this)

src/main/java/org/jabref/logic/preferences/DOIPreferences.java

@@ -0,0 +1,19 @@
+package org.jabref.logic.preferences;
+
+public class DOIPreferences {
+    private final boolean useCustom;
+    private final String defaultBaseURI;
+
+    public DOIPreferences(boolean useCustom, String defaultBaseURI) {
+        this.useCustom = useCustom;
+        this.defaultBaseURI = defaultBaseURI;
+    }
+
+    public boolean isUseCustom() {
+        return useCustom;
+    }
+
+    public String getDefaultBaseURI() {
+        return defaultBaseURI;
+    }
+}

src/main/java/org/jabref/model/entry/identifier/DOI.java

@@ -15,17 +15,15 @@
 import org.slf4j.LoggerFactory;
 
 /**
- * Class for working with <a href="https://en.wikipedia.org/wiki/Digital_object_identifier">Digital object identifiers
- * (DOIs)</a> and <a href="http://shortdoi.org">Short DOIs</a>
+ * Class for working with <a href="https://en.wikipedia.org/wiki/Digital_object_identifier">Digital object identifiers (DOIs)</a> and <a href="http://shortdoi.org">Short DOIs</a>
  */
 public class DOI implements Identifier {
 
     public static final URI AGENCY_RESOLVER = URI.create("https://doi.org/doiRA");
 
     private static final Logger LOGGER = LoggerFactory.getLogger(DOI.class);
 
-    // DOI/Short DOI resolver
-    private static final URI RESOLVER = URI.create("https://doi.org");
+    private static final URI RESOLVER = URI.create("https://doi.org/");
 
     // Regex
     // (see http://www.doi.org/doi_handbook/2_Numbering.html)
@@ -147,8 +145,7 @@ public DOI(String doi) {
     /**
      * Creates an Optional&lt;DOI> from various schemes including URL, URN, and plain DOIs.
      * <p>
-     * Useful for suppressing the <c>IllegalArgumentException</c> of the Constructor and checking for
-     * Optional.isPresent() instead.
+     * Useful for suppressing the <c>IllegalArgumentException</c> of the Constructor and checking for Optional.isPresent() instead.
      *
      * @param doi the DOI/Short DOI string
      * @return an Optional containing the DOI or an empty Optional
@@ -233,8 +230,16 @@ public boolean isShortDoi() {
      */
     @Override
     public Optional<URI> getExternalURI() {
+        return getExternalURIFromBase(RESOLVER);
+    }
+
+    public Optional<URI> getExternalURIWithCustomBase(String customBase) {
+        return getExternalURIFromBase(URI.create(customBase));
+    }
+
+    private Optional<URI> getExternalURIFromBase(URI base) {
         try {
-            URI uri = new URI(RESOLVER.getScheme(), RESOLVER.getHost(), "/" + doi, null);
+            URI uri = new URI(base.getScheme(), base.getHost(), "/" + doi, null);
             return Optional.of(uri);
         } catch (URISyntaxException e) {
             // should never happen

src/main/java/org/jabref/preferences/JabRefPreferences.java

@@ -87,6 +87,7 @@
 import org.jabref.logic.net.ProxyPreferences;
 import org.jabref.logic.openoffice.OpenOfficePreferences;
 import org.jabref.logic.openoffice.StyleLoader;
+import org.jabref.logic.preferences.DOIPreferences;
 import org.jabref.logic.preferences.OwnerPreferences;
 import org.jabref.logic.preferences.TimestampPreferences;
 import org.jabref.logic.preview.PreviewLayout;
@@ -201,6 +202,9 @@ public class JabRefPreferences implements PreferencesService {
     public static final String SHOW_ADVANCED_HINTS = "showAdvancedHints";
     public static final String DEFAULT_ENCODING = "defaultEncoding";
 
+    public static final String BASE_DOI_URI = "baseDOIURI";
+    public static final String USE_CUSTOM_DOI_URI = "useCustomDOIURI";
+
     public static final String USE_OWNER = "useOwner";
     public static final String DEFAULT_OWNER = "defaultOwner";
     public static final String OVERWRITE_OWNER = "overwriteOwner";
@@ -445,6 +449,9 @@ private JabRefPreferences() {
         // Set DOI to be the default ID entry generator
         defaults.put(ID_ENTRY_GENERATOR, DoiFetcher.NAME);
 
+        defaults.put(USE_CUSTOM_DOI_URI, Boolean.FALSE);
+        defaults.put(BASE_DOI_URI, "https://doi.org");
+
         if (OS.OS_X) {
             defaults.put(FONT_FAMILY, "SansSerif");
             defaults.put(PUSH_EMACS_PATH, "emacsclient");
@@ -1361,6 +1368,19 @@ public void storeTelemetryPreferences(TelemetryPreferences preferences) {
         putBoolean(ALREADY_ASKED_TO_COLLECT_TELEMETRY, !preferences.shouldAskToCollectTelemetry()); // mind the !
     }
 
+    @Override
+    public DOIPreferences getDOIPreferences() {
+        return new DOIPreferences(
+                getBoolean(USE_CUSTOM_DOI_URI),
+                get(BASE_DOI_URI));
+    }
+
+    @Override
+    public void storeDOIPreferences(DOIPreferences preferences) {
+        putBoolean(USE_CUSTOM_DOI_URI, preferences.isUseCustom());
+        put(BASE_DOI_URI, preferences.getDefaultBaseURI());
+    }
+
     @Override
     public OwnerPreferences getOwnerPreferences() {
         return new OwnerPreferences(

src/main/java/org/jabref/preferences/PreferencesService.java

@@ -36,6 +36,7 @@
 import org.jabref.logic.layout.format.NameFormatterPreferences;
 import org.jabref.logic.net.ProxyPreferences;
 import org.jabref.logic.openoffice.OpenOfficePreferences;
+import org.jabref.logic.preferences.DOIPreferences;
 import org.jabref.logic.preferences.OwnerPreferences;
 import org.jabref.logic.preferences.TimestampPreferences;
 import org.jabref.logic.protectedterms.ProtectedTermsPreferences;
@@ -144,6 +145,10 @@ public interface PreferencesService {
 
     void storeTelemetryPreferences(TelemetryPreferences preferences);
 
+    DOIPreferences getDOIPreferences();
+
+    void storeDOIPreferences(DOIPreferences preferences);
+
     OwnerPreferences getOwnerPreferences();
 
     void storeOwnerPreferences(OwnerPreferences preferences);