Auto trim url field

CHANGELOG.md

@@ -11,6 +11,7 @@ We refer to [GitHub issues](https://github.com/JabRef/jabref/issues) by using `#
 ## [Unreleased]
 
 ### Changed
+- URL field formatting is updated. All whitespace chars, located at the beginning/ending of the url, are trimmed automatically
 - We changed the behavior of the field formatting dialog such that the `bibtexkey` is not changed when formatting all fields or all text fields.
 - We added a "Move file to file directory and rename file" option for simultaneously moving and renaming of document file. [#4166](https://github.com/JabRef/jabref/issues/4166)
 - Use integrated graphics card instead of discrete on macOS [#4070](https://github.com/JabRef/jabref/issues/4070)

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

@@ -13,6 +13,7 @@
 import org.jabref.gui.autocompleter.AutoCompleteSuggestionProvider;
 import org.jabref.gui.fieldeditors.contextmenu.EditorMenus;
 import org.jabref.logic.formatter.bibtexfields.CleanupURLFormatter;
+import org.jabref.logic.formatter.bibtexfields.TrimWhitespaceFormatter;
 import org.jabref.logic.integrity.FieldCheckers;
 import org.jabref.model.entry.BibEntry;
 import org.jabref.preferences.JabRefPreferences;
@@ -37,7 +38,7 @@ public UrlEditor(String fieldName, DialogService dialogService, AutoCompleteSugg
 
         // init paste handler for URLEditor to format pasted url link in textArea
         textArea.setPasteActionHandler(()->
-        textArea.setText(new CleanupURLFormatter().format(textArea.getText())));
+        textArea.setText(new CleanupURLFormatter().format(new TrimWhitespaceFormatter().format(textArea.getText()))));
 
 
         new EditorValidator(preferences).configureValidation(viewModel.getFieldValidator().getValidationStatus(), textArea);

src/main/java/org/jabref/gui/fieldeditors/contextmenu/EditorMenus.java

@@ -87,7 +87,7 @@ public static Supplier<List<MenuItem>> getDOIMenu(TextArea textArea) {
     }
 
     /**
-     * The default context menu with a specific menu item to cleanup  URL.
+     * The default context menu with a specific menu item to cleanup URL.
      *
      * @param textArea text-area that this menu will be connected to
      * @return menu containing items of the default menu and an item to cleanup a URL

src/main/java/org/jabref/logic/formatter/bibtexfields/TrimWhitespaceFormatter.java

@@ -0,0 +1,38 @@
+package org.jabref.logic.formatter.bibtexfields;
+
+import java.util.Objects;
+
+import org.jabref.logic.l10n.Localization;
+import org.jabref.model.cleanup.Formatter;
+
+/**
+ * Trim all whitespace characters(defined in java) in the string.
+ */
+public class TrimWhitespaceFormatter extends Formatter {
+
+    @Override
+    public String getName() {
+        return Localization.lang("Trim whitespace characters");
+    }
+
+    @Override
+    public String getKey() {
+        return "trim_whitespace";
+    }
+
+    @Override
+    public String format(String value) {
+        Objects.requireNonNull(value);
+        return value.trim();
+    }
+
+    @Override
+    public String getDescription() {
+        return Localization.lang("Trim all whitespace characters in the field content.");
+    }
+
+    @Override
+    public String getExampleInput() {
+        return "\r\n InCDMA\n\r ";
+    }
+}

src/main/resources/l10n/JabRef_en.properties

@@ -1067,6 +1067,11 @@ This\ operation\ requires\ one\ or\ more\ entries\ to\ be\ selected.=This operat
 
 Toggle\ entry\ preview=Toggle entry preview
 Toggle\ groups\ interface=Toggle groups interface
+
+Trim\ all\ whitespace\ characters\ in\ the\ field\ content.=Trim all whitespace characters in the field content.
+
+Trim\ whitespace\ characters=Trim whitespace characters
+
 Try\ different\ encoding=Try different encoding
 
 Unabbreviate\ journal\ names\ of\ the\ selected\ entries=Unabbreviate journal names of the selected entries

src/test/java/org/jabref/logic/formatter/bibtexfields/TrimWhitespaceFormatterTest.java

@@ -0,0 +1,61 @@
+
+package org.jabref.logic.formatter.bibtexfields;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class TrimWhitespaceFormatterTest {
+
+    private TrimWhitespaceFormatter formatter;
+
+    @BeforeEach
+    public void setUp() {
+        formatter = new TrimWhitespaceFormatter();
+    }
+
+    @Test
+    public void removeHorizontalTabulations() {
+        assertEquals("whitespace", formatter.format("\twhitespace"));
+        assertEquals("whitespace", formatter.format("whitespace\t"));
+        assertEquals("whitespace", formatter.format("\twhitespace\t\t"));
+    }
+
+    @Test
+    public void removeLineFeeds() {
+        assertEquals("whitespace", formatter.format("\nwhitespace"));
+        assertEquals("whitespace", formatter.format("whitespace\n"));
+        assertEquals("whitespace", formatter.format("\nwhitespace\n\n"));
+    }
+
+    @Test
+    public void removeFormFeeds() {
+        assertEquals("whitespace", formatter.format("\fwhitespace"));
+        assertEquals("whitespace", formatter.format("whitespace\f"));
+        assertEquals("whitespace", formatter.format("\fwhitespace\f\f"));
+    }
+
+    @Test
+    public void removeCarriageReturnFeeds() {
+        assertEquals("whitespace", formatter.format("\rwhitespace"));
+        assertEquals("whitespace", formatter.format("whitespace\r"));
+        assertEquals("whitespace", formatter.format("\rwhitespace\r\r"));
+    }
+
+    @Test
+    public void removeSeparatorSpaces() {
+        assertEquals("whitespace", formatter.format(" whitespace"));
+        assertEquals("whitespace", formatter.format("whitespace "));
+        assertEquals("whitespace", formatter.format(" whitespace  "));
+    }
+
+    @Test
+    public void removeMixedWhitespaceChars() {
+        assertEquals("whitespace", formatter.format(" \r\t\fwhitespace"));
+        assertEquals("whitespace", formatter.format("whitespace \n \r"));
+        assertEquals("whitespace", formatter.format("   \f\t whitespace  \r \n"));
+    }
+
+
+}