Throw exception when instantiating an util class

8 files changed, 12 insertions, 8 deletions

diff --git a/app/src/main/java/it/niedermann/owncloud/notes/shared/util/ApiVersionUtil.java b/app/src/main/java/it/niedermann/owncloud/notes/shared/util/ApiVersionUtil.java
index 50d1b4ea..57788472 100644
--- a/app/src/main/java/it/niedermann/owncloud/notes/shared/util/ApiVersionUtil.java
+++ b/app/src/main/java/it/niedermann/owncloud/notes/shared/util/ApiVersionUtil.java
@@ -19,10 +19,8 @@ import it.niedermann.owncloud.notes.shared.model.ApiVersion;
 
 public class ApiVersionUtil {
 
-    private static final String TAG = ApiVersionUtil.class.getSimpleName();
-
     private ApiVersionUtil() {
-
+        throw new UnsupportedOperationException("Do not instantiate this util class.");
     }
 
     /**
diff --git a/app/src/main/java/it/niedermann/owncloud/notes/shared/util/DeviceCredentialUtil.java b/app/src/main/java/it/niedermann/owncloud/notes/shared/util/DeviceCredentialUtil.java
index 034eea5a..14163e91 100644
--- a/app/src/main/java/it/niedermann/owncloud/notes/shared/util/DeviceCredentialUtil.java
+++ b/app/src/main/java/it/niedermann/owncloud/notes/shared/util/DeviceCredentialUtil.java
@@ -12,7 +12,7 @@ public class DeviceCredentialUtil {
     private static final String TAG = DeviceCredentialUtil.class.getSimpleName();
 
     private DeviceCredentialUtil() {
-        // utility class -> private constructor
+        throw new UnsupportedOperationException("Do not instantiate this util class.");
     }
 
     public static boolean areCredentialsAvailable(Context context) {
diff --git a/app/src/main/java/it/niedermann/owncloud/notes/shared/util/DisplayUtils.java b/app/src/main/java/it/niedermann/owncloud/notes/shared/util/DisplayUtils.java
index ad6b6793..b0adc011 100644
--- a/app/src/main/java/it/niedermann/owncloud/notes/shared/util/DisplayUtils.java
+++ b/app/src/main/java/it/niedermann/owncloud/notes/shared/util/DisplayUtils.java
@@ -30,7 +30,7 @@ import it.niedermann.owncloud.notes.persistence.entity.CategoryWithNotesCount;
 public class DisplayUtils {
 
     private DisplayUtils() {
-
+        throw new UnsupportedOperationException("Do not instantiate this util class.");
     }
 
     public static List<NavigationItem.CategoryNavigationItem> convertToCategoryNavigationItem(@NonNull Context context, @NonNull Collection<CategoryWithNotesCount> counter) {
diff --git a/app/src/main/java/it/niedermann/owncloud/notes/shared/util/NoteUtil.java b/app/src/main/java/it/niedermann/owncloud/notes/shared/util/NoteUtil.java
index e5b8afae..e8493614 100644
--- a/app/src/main/java/it/niedermann/owncloud/notes/shared/util/NoteUtil.java
+++ b/app/src/main/java/it/niedermann/owncloud/notes/shared/util/NoteUtil.java
@@ -22,7 +22,7 @@ public class NoteUtil {
     public static final String EXCERPT_LINE_SEPARATOR = "   ";
 
     private NoteUtil() {
-
+        throw new UnsupportedOperationException("Do not instantiate this util class.");
     }
 
     /**
diff --git a/app/src/main/java/it/niedermann/owncloud/notes/shared/util/NotesColorUtil.java b/app/src/main/java/it/niedermann/owncloud/notes/shared/util/NotesColorUtil.java
index a445208b..42aaf79d 100644
--- a/app/src/main/java/it/niedermann/owncloud/notes/shared/util/NotesColorUtil.java
+++ b/app/src/main/java/it/niedermann/owncloud/notes/shared/util/NotesColorUtil.java
@@ -14,6 +14,7 @@ public final class NotesColorUtil {
     private static final Map<ColorPair, Boolean> CONTRAST_RATIO_SUFFICIENT_CACHE = new HashMap<>();
 
     private NotesColorUtil() {
+        throw new UnsupportedOperationException("Do not instantiate this util class.");
     }
 
     public static boolean contrastRatioIsSufficient(@ColorInt int colorOne, @ColorInt int colorTwo) {
diff --git a/app/src/main/java/it/niedermann/owncloud/notes/shared/util/SSOUtil.java b/app/src/main/java/it/niedermann/owncloud/notes/shared/util/SSOUtil.java
index da529136..1e2542b0 100644
--- a/app/src/main/java/it/niedermann/owncloud/notes/shared/util/SSOUtil.java
+++ b/app/src/main/java/it/niedermann/owncloud/notes/shared/util/SSOUtil.java
@@ -19,7 +19,7 @@ public class SSOUtil {
     private static final String TAG = SSOUtil.class.getSimpleName();
 
     private SSOUtil() {
-
+        throw new UnsupportedOperationException("Do not instantiate this util class.");
     }
 
     /**
diff --git a/app/src/main/java/it/niedermann/owncloud/notes/shared/util/ShareUtil.java b/app/src/main/java/it/niedermann/owncloud/notes/shared/util/ShareUtil.java
index 115d18dd..4b7aebd9 100644
--- a/app/src/main/java/it/niedermann/owncloud/notes/shared/util/ShareUtil.java
+++ b/app/src/main/java/it/niedermann/owncloud/notes/shared/util/ShareUtil.java
@@ -14,6 +14,11 @@ import it.niedermann.android.markdown.MarkdownUtil;
 import static android.content.ClipDescription.MIMETYPE_TEXT_PLAIN;
 
 public class ShareUtil {
+
+    private ShareUtil() {
+        throw new UnsupportedOperationException("Do not instantiate this util class.");
+    }
+
     public static void openShareDialog(@NonNull Context context, @Nullable String subject, @Nullable String text) {
         context.startActivity(Intent.createChooser(new Intent()
                 .setAction(Intent.ACTION_SEND)
diff --git a/app/src/main/java/it/niedermann/owncloud/notes/shared/util/SupportUtil.java b/app/src/main/java/it/niedermann/owncloud/notes/shared/util/SupportUtil.java
index 8bf80cb9..27fec716 100644
--- a/app/src/main/java/it/niedermann/owncloud/notes/shared/util/SupportUtil.java
+++ b/app/src/main/java/it/niedermann/owncloud/notes/shared/util/SupportUtil.java
@@ -13,7 +13,7 @@ import androidx.core.text.HtmlCompat;
 public class SupportUtil {
 
     private SupportUtil() {
-
+        throw new UnsupportedOperationException("Do not instantiate this util class.");
     }
 
     /**