Added preference to remember enable unauthenticated user

src/main/java/qupath/ext/omero/core/ClientsPreferencesManager.java

@@ -35,6 +35,10 @@ public class ClientsPreferencesManager {
             "omero_ext.last_username",
             ""
     );
+    private static final StringProperty enableUnauthenticatedPreference = PathPrefs.createPersistentPreference(
+            "omero_ext.enable_unauthenticated",
+            ""
+    );
     private static final StringProperty msPixelBufferPortPreference = PathPrefs.createPersistentPreference(
             "omero_ext.ms_pixel_buffer_port",
             ""
@@ -82,6 +86,7 @@ public static void clearAllPreferences() {
         uris.clear();
         latestServerPreference.set("");
         latestUsernamePreference.set("");
+        enableUnauthenticatedPreference.set("");
         msPixelBufferPortPreference.set("");
         webJpegQualityPreference.set("");
         iceAddressPreference.set("");
@@ -157,6 +162,26 @@ public static synchronized void setLastUsername(String username) {
         latestUsernamePreference.set(username);
     }
 
+    /**
+     * Return whether to enable logging as an unauthenticated user when connecting to the provided URI.
+     *
+     * @param serverURI  the URI of the OMERO web server to connect to
+     * @return whether to enable logging as an unauthenticated user, or an empty optional if not defined
+     */
+    public static Optional<Boolean> getEnableUnauthenticated(URI serverURI) {
+        return getProperty(enableUnauthenticatedPreference, serverURI).map(Boolean::parseBoolean);
+    }
+
+    /**
+     * Set whether to enable logging as an unauthenticated user when connecting to the provided URI.
+     *
+     * @param serverURI  the URI of the OMERO web server to connect to
+     * @param enableUnauthenticated  whether to enable logging as an unauthenticated user for this URI
+     */
+    public static void setEnableUnauthenticated(URI serverURI, boolean enableUnauthenticated) {
+        setProperty(enableUnauthenticatedPreference, serverURI, String.valueOf(enableUnauthenticated));
+    }
+
     /**
      * Get the saved port used by the pixel buffer microservice of the OMERO server
      * corresponding to the provided URI.

src/test/java/qupath/ext/omero/core/TestClientsPreferencesManager.java

@@ -99,6 +99,53 @@ void Check_Last_Username_When_Set_Twice() {
         Assertions.assertEquals(expectedUsername, lastUsername);
     }
 
+    @Test
+    void Check_Enable_Unauthenticated_Empty() {
+        URI uri = URI.create("https://github.com/qupath");
+
+        Optional<Boolean> enableUnauthenticated = ClientsPreferencesManager.getEnableUnauthenticated(uri);
+
+        Assertions.assertTrue(enableUnauthenticated.isEmpty());
+    }
+
+    @Test
+    void Check_Enable_Unauthenticated() {
+        boolean expectedEnableUnauthenticated = true;
+        URI uri = URI.create("https://github.com/qupath");
+        ClientsPreferencesManager.setEnableUnauthenticated(uri, expectedEnableUnauthenticated);
+
+        Boolean enableUnauthenticated = ClientsPreferencesManager.getEnableUnauthenticated(uri).orElse(null);
+
+        Assertions.assertEquals(expectedEnableUnauthenticated, enableUnauthenticated);
+    }
+
+    @Test
+    void Check_Enable_Unauthenticated_When_Set_Twice() {
+        boolean unexpectedEnableUnauthenticated = false;
+        boolean expectedEnableUnauthenticated = true;
+        URI uri = URI.create("https://github.com/qupath");
+        ClientsPreferencesManager.setEnableUnauthenticated(uri, unexpectedEnableUnauthenticated);
+        ClientsPreferencesManager.setEnableUnauthenticated(uri, expectedEnableUnauthenticated);
+
+        Boolean enableUnauthenticated = ClientsPreferencesManager.getEnableUnauthenticated(uri).orElse(null);
+
+        Assertions.assertEquals(expectedEnableUnauthenticated, enableUnauthenticated);
+    }
+
+    @Test
+    void Check_Enable_Unauthenticated_When_Other_URI_Set() {
+        URI otherUri = URI.create("https://qupath.readthedocs.io");
+        boolean otherEnableUnauthenticated = false;
+        ClientsPreferencesManager.setEnableUnauthenticated(otherUri, otherEnableUnauthenticated);
+        boolean expectedEnableUnauthenticated = true;
+        URI uri = URI.create("https://github.com/qupath");
+        ClientsPreferencesManager.setEnableUnauthenticated(uri, expectedEnableUnauthenticated);
+
+        Boolean enableUnauthenticated = ClientsPreferencesManager.getEnableUnauthenticated(uri).orElse(null);
+
+        Assertions.assertEquals(expectedEnableUnauthenticated, enableUnauthenticated);
+    }
+
     @Test
     void Check_Ms_Pixel_Buffer_Port_Empty() {
         URI uri = URI.create("https://github.com/qupath");