Additional Codacy fixes for Image Gallery code

ImageGallery/src/org/sleuthkit/autopsy/imagegallery/AddDrawableFilesTask.java

@@ -33,8 +33,13 @@ import org.sleuthkit.datamodel.TskData;
  */
 class AddDrawableFilesTask extends BulkDrawableFilesTask {
 
+    private final ImageGalleryController controller;
+    private final DrawableDB taskDB;
+
     AddDrawableFilesTask(long dataSourceObjId, ImageGalleryController controller) {
         super(dataSourceObjId, controller);
+        this.controller = controller;
+        this.taskDB = controller.getDrawablesDatabase();
         taskDB.buildFileMetaDataCache();
     }
 

ImageGallery/src/org/sleuthkit/autopsy/imagegallery/BulkDrawableFilesTask.java

@@ -46,14 +46,11 @@ abstract class BulkDrawableFilesTask extends DrawableDbTask {
     private static final String MIMETYPE_CLAUSE = "(mime_type LIKE '" //NON-NLS
             + String.join("' OR mime_type LIKE '", FileTypeUtils.getAllSupportedMimeTypes()) //NON-NLS
             + "') ";
-    private final String DRAWABLE_QUERY;
+    private final String drawableQuery;
-    private final String DATASOURCE_CLAUSE;
+    private final ImageGalleryController controller;
-    protected final ImageGalleryController controller;
+    private final DrawableDB taskDB;
-    protected final DrawableDB taskDB;
+    private final SleuthkitCase tskCase;
-    protected final SleuthkitCase tskCase;
+    private final long dataSourceObjId;
-    protected final long dataSourceObjId;
-    private ProgressHandle progressHandle;
-    private boolean taskCompletionStatus;
 
     //NON-NLS
     BulkDrawableFilesTask(long dataSourceObjId, ImageGalleryController controller) {
@@ -61,8 +58,8 @@ abstract class BulkDrawableFilesTask extends DrawableDbTask {
         this.taskDB = controller.getDrawablesDatabase();
         this.tskCase = controller.getCaseDatabase();
         this.dataSourceObjId = dataSourceObjId;
-        DATASOURCE_CLAUSE = " (data_source_obj_id = " + dataSourceObjId + ") ";
+        drawableQuery = " (data_source_obj_id = " + dataSourceObjId + ") " 
-        DRAWABLE_QUERY = DATASOURCE_CLAUSE + " AND ( meta_type = " + TskData.TSK_FS_META_TYPE_ENUM.TSK_FS_META_TYPE_REG.getValue() + ")" + " AND ( " + MIMETYPE_CLAUSE //NON-NLS
+                + " AND ( meta_type = " + TskData.TSK_FS_META_TYPE_ENUM.TSK_FS_META_TYPE_REG.getValue() + ")" + " AND ( " + MIMETYPE_CLAUSE //NON-NLS
                 + " OR mime_type LIKE 'video/%' OR mime_type LIKE 'image/%' )" //NON-NLS
                 + " ORDER BY parent_path ";
     }
@@ -82,7 +79,7 @@ abstract class BulkDrawableFilesTask extends DrawableDbTask {
      * @throws TskCoreException
      */
     List<AbstractFile> getFiles() throws TskCoreException {
-        return tskCase.findAllFilesWhere(DRAWABLE_QUERY);
+        return tskCase.findAllFilesWhere(drawableQuery);
     }
 
     @Override
@@ -90,7 +87,7 @@ abstract class BulkDrawableFilesTask extends DrawableDbTask {
         "BulkDrawableFilesTask.populatingDb.status=populating analyzed image/video database"
     })
     public void run() {
-        progressHandle = getInitialProgressHandle();
+        ProgressHandle progressHandle = getInitialProgressHandle();
         progressHandle.start();
         updateMessage(Bundle.BulkDrawableFilesTask_populatingDb_status() + " (Data Source " + dataSourceObjId + ")");
         DrawableDB.DrawableTransaction drawableDbTransaction = null;

ImageGallery/src/org/sleuthkit/autopsy/imagegallery/DrawableDbTask.java

@@ -28,7 +28,7 @@ import org.openide.util.Cancellable;
 import org.openide.util.NbBundle;
 
 /**
- * Abstract base class for task to be done on
+ * An abstract base class for drawables database tasks.
  */
 @NbBundle.Messages({
     "DrawableDbTask.InnerTask.progress.name=progress",
@@ -40,9 +40,6 @@ public abstract class DrawableDbTask implements Runnable, Cancellable {
     private final SimpleDoubleProperty progress = new SimpleDoubleProperty(this, Bundle.DrawableDbTask_InnerTask_progress_name());
     private final SimpleStringProperty message = new SimpleStringProperty(this, Bundle.DrawableDbTask_InnerTask_message_name());
 
-    protected DrawableDbTask() {
-    }
-
     public double getProgress() {
         return progress.get();
     }
@@ -89,4 +86,3 @@ public abstract class DrawableDbTask implements Runnable, Cancellable {
         return getState() == Worker.State.CANCELLED;
     }
 }
-

ImageGallery/src/org/sleuthkit/autopsy/imagegallery/ImageGalleryModule.java

@@ -30,7 +30,7 @@ import org.sleuthkit.autopsy.casemodule.Case;
  * gallery.
  */
 @NbBundle.Messages({"ImageGalleryModule.moduleName=Image Gallery"})
-public class ImageGalleryModule {
+public final class ImageGalleryModule {
 
     private static final String MODULE_NAME = Bundle.ImageGalleryModule_moduleName();
 

ImageGallery/src/org/sleuthkit/autopsy/imagegallery/ImageGalleryTopComponent.java

@@ -251,8 +251,6 @@ public final class ImageGalleryTopComponent extends TopComponent implements Expl
         "ImageGalleryTopComponent.chooseDataSourceDialog.all=All",
         "ImageGalleryTopComponent.chooseDataSourceDialog.titleText=Image Gallery",})
     private void openForCurrentCase() throws TskCoreException {
-        Case currentCase = Case.getCurrentCase();
-        ImageGalleryController controllerForCase = ImageGalleryController.getController(currentCase);
         Platform.runLater(new Runnable() {
             @Override
             public void run() {

ImageGallery/src/org/sleuthkit/autopsy/imagegallery/actions/AddTagAction.java

@@ -1,7 +1,7 @@
 /*
  * Autopsy Forensic Browser
  *
- * Copyright 2013-2018 Basis Technology Corp.
+ * Copyright 2015-2019 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -37,7 +37,6 @@ import org.controlsfx.control.action.Action;
 import org.controlsfx.control.action.ActionUtils;
 import org.openide.util.NbBundle;
 import org.openide.windows.TopComponent;
-import org.openide.windows.WindowManager;
 import org.sleuthkit.autopsy.actions.GetTagNameAndCommentDialog;
 import org.sleuthkit.autopsy.actions.GetTagNameDialog;
 import org.sleuthkit.autopsy.casemodule.services.TagsManager;

ImageGallery/src/org/sleuthkit/autopsy/imagegallery/actions/CategorizeAction.java

@@ -53,7 +53,7 @@ import org.sleuthkit.datamodel.TagName;
 import org.sleuthkit.datamodel.TskCoreException;
 
 /**
- *
+ * An action that associates a drawable file with a Project Vic category.
  */
 @NbBundle.Messages({"CategorizeAction.displayName=Categorize"})
 public class CategorizeAction extends Action {
@@ -111,6 +111,9 @@ public class CategorizeAction extends Action {
         }
     }
 
+    /**
+     * A task that associates a drawable file with a Project Vic category.
+     */
     @NbBundle.Messages({
         "# {0} - fileID number",
         "CategorizeDrawableFileTask.errorUnable.msg=Unable to categorize {0}.",