Merge pull request #7195 from kellykelly3/7726-initalize-jfilechoosers

7726 Initializing JFileChooser in background

Core/src/org/sleuthkit/autopsy/casemodule/CaseOpenAction.java

@@ -1,7 +1,7 @@
 /*
  * Autopsy Forensic Browser
  *
- * Copyright 2011-2017 Basis Technology Corp.
+ * Copyright 2011-2021 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -43,6 +43,7 @@ import org.sleuthkit.autopsy.core.UserPreferences;
 import org.sleuthkit.autopsy.coreutils.Logger;
 import org.sleuthkit.autopsy.coreutils.ModuleSettings;
 import org.sleuthkit.autopsy.coreutils.Version;
+import org.sleuthkit.autopsy.guiutils.JFileChooserFactory;
 
 /**
  * The action associated with the Case/Open Case menu item via the layer.xml
@@ -64,6 +65,8 @@ public final class CaseOpenAction extends CallableSystemAction implements Action
     private static final Logger LOGGER = Logger.getLogger(CaseOpenAction.class.getName());
     private final FileFilter caseMetadataFileFilter;
 
+    private final JFileChooserFactory fileChooserHelper;
+
     /**
      * Constructs the action associated with the Case/Open Case menu item via
      * the layer.xml file, a toolbar button, and the Open Case button of the
@@ -72,6 +75,7 @@ public final class CaseOpenAction extends CallableSystemAction implements Action
      */
     public CaseOpenAction() {
         caseMetadataFileFilter = new FileNameExtensionFilter(NbBundle.getMessage(CaseOpenAction.class, "CaseOpenAction.autFilter.title", Version.getName(), CaseMetadata.getFileExtension()), CaseMetadata.getFileExtension().substring(1));
+        fileChooserHelper = new JFileChooserFactory();
     }
 
     /**
@@ -80,7 +84,7 @@ public final class CaseOpenAction extends CallableSystemAction implements Action
      * to open the case described by the file.
      */
     void openCaseSelectionWindow() {        
-        JFileChooser fileChooser = new JFileChooser();
+        JFileChooser fileChooser = fileChooserHelper.getChooser();
         fileChooser.setDragEnabled(false);
         fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
         fileChooser.setMultiSelectionEnabled(false);

Core/src/org/sleuthkit/autopsy/casemodule/ImageFilePanel.java

@@ -1,7 +1,7 @@
 /*
  * Autopsy Forensic Browser
  *
- * Copyright 2011-2018 Basis Technology Corp.
+ * Copyright 2011-2021 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -35,6 +35,7 @@ import org.sleuthkit.autopsy.coreutils.DriveUtils;
 import org.sleuthkit.autopsy.coreutils.ModuleSettings;
 import org.sleuthkit.autopsy.coreutils.PathValidator;
 import org.sleuthkit.autopsy.coreutils.TimeZoneUtils;
+import org.sleuthkit.autopsy.guiutils.JFileChooserFactory;
 import org.sleuthkit.datamodel.HashUtility;
 
 /**
@@ -48,8 +49,10 @@ public class ImageFilePanel extends JPanel implements DocumentListener {
     private static final long serialVersionUID = 1L;
     private static final String PROP_LASTIMAGE_PATH = "LBL_LastImage_PATH"; //NON-NLS
     private static final String[] SECTOR_SIZE_CHOICES = {"Auto Detect", "512", "1024", "2048", "4096"};
-    private final JFileChooser fileChooser = new JFileChooser();
+    private final JFileChooserFactory fileChooserHelper = new JFileChooserFactory();
+    private JFileChooser fileChooser;
     private final String contextName;
+    private final List<FileFilter> fileChooserFilters;
 
     /**
      * Creates new form ImageFilePanel
@@ -73,14 +76,7 @@ public class ImageFilePanel extends JPanel implements DocumentListener {
         sectorSizeComboBox.setSelectedIndex(0);
 
         errorLabel.setVisible(false);
-
+        this.fileChooserFilters = fileChooserFilters;
-        fileChooser.setDragEnabled(false);
-        fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
-        fileChooser.setMultiSelectionEnabled(false);
-        fileChooserFilters.forEach(fileChooser::addChoosableFileFilter);
-        if (fileChooserFilters.isEmpty() == false) {
-            fileChooser.setFileFilter(fileChooserFilters.get(0));
-        }
     }
 
     /**
@@ -132,6 +128,21 @@ public class ImageFilePanel extends JPanel implements DocumentListener {
     private JTextField getSha256TextField() {
         return sha256HashTextField;
     }
+    
+    private JFileChooser getChooser() {
+        if(fileChooser == null) {
+            fileChooser = fileChooserHelper.getChooser();
+            fileChooser.setDragEnabled(false);
+            fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
+            fileChooser.setMultiSelectionEnabled(false);
+            fileChooserFilters.forEach(fileChooser::addChoosableFileFilter);
+            if (fileChooserFilters.isEmpty() == false) {
+                fileChooser.setFileFilter(fileChooserFilters.get(0));
+            }
+        }
+        
+        return fileChooser;
+    }
 
     /**
      * This method is called from within the constructor to initialize the form.
@@ -298,12 +309,13 @@ public class ImageFilePanel extends JPanel implements DocumentListener {
         String oldText = getContentPaths();
         // set the current directory of the FileChooser if the ImagePath Field is valid
         File currentDir = new File(oldText);
+        JFileChooser chooser = getChooser();
         if (currentDir.exists()) {
-            fileChooser.setCurrentDirectory(currentDir);
+            chooser.setCurrentDirectory(currentDir);
         }
 
-        if (fileChooser.showOpenDialog(this) == JFileChooser.APPROVE_OPTION) {
+        if (chooser.showOpenDialog(this) == JFileChooser.APPROVE_OPTION) {
-            String path = fileChooser.getSelectedFile().getPath();
+            String path = chooser.getSelectedFile().getPath();
             if (path.endsWith(".001")) {
                 String zeroX3_path = StringUtils.removeEnd(path, ".001") + ".000";
                 if (new File(zeroX3_path).exists()) {

Core/src/org/sleuthkit/autopsy/casemodule/LocalDiskPanel.java

@@ -1,7 +1,7 @@
 /*
  * Autopsy Forensic Browser
  *
- * Copyright 2011-2018 Basis Technology Corp.
+ * Copyright 2011-2021 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -32,6 +32,7 @@ import org.sleuthkit.autopsy.coreutils.Logger;
 import org.sleuthkit.autopsy.coreutils.MessageNotifyUtil;
 import org.sleuthkit.autopsy.coreutils.PlatformUtil;
 import org.sleuthkit.autopsy.coreutils.TimeZoneUtils;
+import org.sleuthkit.autopsy.guiutils.JFileChooserFactory;
 import org.sleuthkit.autopsy.imagewriter.ImageWriterSettings;
 
 /**
@@ -58,7 +59,8 @@ final class LocalDiskPanel extends JPanel {
     private static final long serialVersionUID = 1L;
     private LocalDisk localDisk;
     private boolean enableNext = false;
-    private final JFileChooser fc = new JFileChooser();
+    private JFileChooser fc;
+    private final JFileChooserFactory chooserHelper;
 
     /**
      * Creates new form LocalDiskPanel
@@ -68,6 +70,7 @@ final class LocalDiskPanel extends JPanel {
         customInit();
         createTimeZoneList();
         createSectorSizeList();
+        chooserHelper = new JFileChooserFactory();
     }
 
     /**
@@ -261,6 +264,7 @@ final class LocalDiskPanel extends JPanel {
     }//GEN-LAST:event_pathTextFieldKeyReleased
 
     private void browseButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_browseButtonActionPerformed
+        fc = chooserHelper.getChooser();
         String oldText = pathTextField.getText();
         // set the current directory of the FileChooser if the ImagePath Field is valid
         File currentFile = new File(oldText);

Core/src/org/sleuthkit/autopsy/casemodule/MissingImageDialog.java

@@ -1,7 +1,7 @@
 /*
  * Autopsy Forensic Browser
  *
- * Copyright 2012-2018 Basis Technology Corp.
+ * Copyright 2012-2021 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -32,6 +32,7 @@ import org.openide.util.NbBundle;
 import org.openide.windows.WindowManager;
 import org.sleuthkit.autopsy.coreutils.DriveUtils;
 import org.sleuthkit.autopsy.coreutils.Logger;
+import org.sleuthkit.autopsy.guiutils.JFileChooserFactory;
 import org.sleuthkit.datamodel.SleuthkitCase;
 import org.sleuthkit.datamodel.TskCoreException;
 
@@ -45,7 +46,8 @@ class MissingImageDialog extends javax.swing.JDialog {
     long obj_id;
     SleuthkitCase db;
 
-    private final JFileChooser fileChooser = new JFileChooser();
+    private JFileChooser fileChooser;
+    private final JFileChooserFactory chooserHelper;
 
     /**
      * Instantiate a MissingImageDialog.
@@ -58,17 +60,8 @@ class MissingImageDialog extends javax.swing.JDialog {
         this.obj_id = obj_id;
         this.db = db;
         initComponents();
-
+        
-        fileChooser.setDragEnabled(false);
+        chooserHelper = new JFileChooserFactory();
-        fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
-        fileChooser.setMultiSelectionEnabled(false);
-
-        List<FileFilter> fileFiltersList = ImageDSProcessor.getFileFiltersList();
-        for (FileFilter fileFilter : fileFiltersList) {
-            fileChooser.addChoosableFileFilter(fileFilter);
-        }
-        fileChooser.setFileFilter(fileFiltersList.get(0));
-
         selectButton.setEnabled(false);
     }
 
@@ -270,6 +263,19 @@ class MissingImageDialog extends javax.swing.JDialog {
 
     private void browseButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_browseButtonActionPerformed
 
+        if(fileChooser == null) {
+            fileChooser = chooserHelper.getChooser();
+            fileChooser.setDragEnabled(false);
+            fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
+            fileChooser.setMultiSelectionEnabled(false);
+
+            List<FileFilter> fileFiltersList = ImageDSProcessor.getFileFiltersList();
+            for (FileFilter fileFilter : fileFiltersList) {
+                fileChooser.addChoosableFileFilter(fileFilter);
+            }
+            fileChooser.setFileFilter(fileFiltersList.get(0));
+        }
+        
         String oldText = pathNameTextField.getText();
         lbWarning.setText("");
         // set the current directory of the FileChooser if the ImagePath Field is valid

Core/src/org/sleuthkit/autopsy/casemodule/NewCaseVisualPanel1.java

@@ -1,7 +1,7 @@
 /*
  * Autopsy Forensic Browser
  *
- * Copyright 2011-2020 Basis Technology Corp.
+ * Copyright 2011-2021 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -30,6 +30,7 @@ import javax.swing.event.DocumentListener;
 import org.sleuthkit.autopsy.casemodule.Case.CaseType;
 import org.sleuthkit.autopsy.coreutils.PathValidator;
 import org.sleuthkit.autopsy.coreutils.PlatformUtil;
+import org.sleuthkit.autopsy.guiutils.JFileChooserFactory;
 
 /**
  * The JPanel for the first page of the new case wizard.
@@ -37,7 +38,7 @@ import org.sleuthkit.autopsy.coreutils.PlatformUtil;
 @SuppressWarnings("PMD.SingularField") // UI widgets cause lots of false positives
 final class NewCaseVisualPanel1 extends JPanel implements DocumentListener {
 
-    private final JFileChooser fileChooser = new JFileChooser();
+    private final JFileChooserFactory fileChooserHelper = new JFileChooserFactory();
     private final NewCaseWizardPanel1 wizPanel;
 
     /**
@@ -353,8 +354,9 @@ final class NewCaseVisualPanel1 extends JPanel implements DocumentListener {
      * @param evt the action event
      */
     private void caseDirBrowseButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_caseDirBrowseButtonActionPerformed
+        JFileChooser fileChooser = fileChooserHelper.getChooser();
         fileChooser.setDragEnabled(false);
-        if (!caseParentDirTextField.getText().trim().equals("")) {
+        if (!caseParentDirTextField.getText().trim().isEmpty()) {
             fileChooser.setCurrentDirectory(new File(caseParentDirTextField.getText()));
         }
         fileChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);

Core/src/org/sleuthkit/autopsy/casemodule/UnpackagePortableCaseDialog.java

@@ -1,7 +1,7 @@
 /*
  * Autopsy Forensic Browser
  *
- * Copyright 2019 Basis Technology Corp.
+ * Copyright 2019-2021 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  *
  * Licensed under the Apache License, Version 2.0 (the "License");

Core/src/org/sleuthkit/autopsy/contentviewers/PListViewer.java

@@ -1,7 +1,7 @@
 /*
  * Autopsy Forensic Browser
  *
- * Copyright 2018-2019 Basis Technology Corp.
+ * Copyright 2018-2021 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -56,6 +56,7 @@ import org.openide.windows.WindowManager;
 import org.sleuthkit.autopsy.casemodule.Case;
 import org.sleuthkit.autopsy.casemodule.NoCurrentCaseException;
 import org.sleuthkit.autopsy.coreutils.Logger;
+import org.sleuthkit.autopsy.guiutils.JFileChooserFactory;
 import org.sleuthkit.datamodel.TskCoreException;
 import org.xml.sax.SAXException;
 
@@ -75,6 +76,8 @@ class PListViewer extends javax.swing.JPanel implements FileTypeViewer, Explorer
     private ExplorerManager explorerManager;
 
     private NSObject rootDict;
+    
+    private final JFileChooserFactory fileChooserHelper = new JFileChooserFactory();
 
     /**
      * Creates new form PListViewer
@@ -203,7 +206,7 @@ class PListViewer extends javax.swing.JPanel implements FileTypeViewer, Explorer
             return;
         }
 
-        final JFileChooser fileChooser = new JFileChooser();
+        final JFileChooser fileChooser = fileChooserHelper.getChooser();
         fileChooser.setCurrentDirectory(new File(openCase.getExportDirectory()));
         fileChooser.setFileFilter(new FileNameExtensionFilter("XML file", "xml"));
 

Core/src/org/sleuthkit/autopsy/contentviewers/SQLiteViewer.java

@@ -1,7 +1,7 @@
 /*
  * Autopsy Forensic Browser
  *
- * Copyright 2018-2019 Basis Technology Corp.
+ * Copyright 2018-2021 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -49,6 +49,7 @@ import org.sleuthkit.autopsy.coreutils.Logger;
 import org.sleuthkit.autopsy.coreutils.MessageNotifyUtil;
 import org.sleuthkit.datamodel.AbstractFile;
 import org.sleuthkit.autopsy.coreutils.SQLiteTableReader;
+import org.sleuthkit.autopsy.guiutils.JFileChooserFactory;
 
 /**
  * A file content viewer for SQLite database files.
@@ -74,6 +75,8 @@ class SQLiteViewer extends javax.swing.JPanel implements FileTypeViewer {
     private int currPage = 0; // curr page of rows being displayed
 
     SwingWorker<?, ?> worker;
+    
+    private final JFileChooserFactory chooserHelper = new JFileChooserFactory();
 
     /**
      * Constructs a file content viewer for SQLite database files.
@@ -280,7 +283,7 @@ class SQLiteViewer extends javax.swing.JPanel implements FileTypeViewer {
     private void exportCsvButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_exportCsvButtonActionPerformed
         Case openCase = Case.getCurrentCase();
         File caseDirectory = new File(openCase.getExportDirectory());
-        JFileChooser fileChooser = new JFileChooser();
+        JFileChooser fileChooser = chooserHelper.getChooser();
         fileChooser.setDragEnabled(false);
         fileChooser.setCurrentDirectory(caseDirectory);
         //Set a filter to let the filechooser only work for csv files

Core/src/org/sleuthkit/autopsy/corecomponents/AutopsyOptionsPanel.java

@@ -55,6 +55,7 @@ import org.sleuthkit.autopsy.machinesettings.UserMachinePreferencesException;
 import org.sleuthkit.autopsy.core.UserPreferences;
 import org.sleuthkit.autopsy.coreutils.PlatformUtil;
 import org.sleuthkit.autopsy.coreutils.Version;
+import org.sleuthkit.autopsy.guiutils.JFileChooserFactory;
 import org.sleuthkit.autopsy.machinesettings.UserMachinePreferences.TempDirChoice;
 import org.sleuthkit.autopsy.report.ReportBranding;
 
@@ -82,8 +83,8 @@ final class AutopsyOptionsPanel extends javax.swing.JPanel {
 
     private static final long serialVersionUID = 1L;
     private static final String DEFAULT_HEAP_DUMP_FILE_FIELD = "";
-    private final JFileChooser logoFileChooser;
+    private JFileChooser logoFileChooser;
-    private final JFileChooser tempDirChooser;
+    private JFileChooser tempDirChooser;
     private static final String ETC_FOLDER_NAME = "etc";
     private static final String CONFIG_FILE_EXTENSION = ".conf";
     private static final long ONE_BILLION = 1000000000L;  //used to roughly convert system memory from bytes to gigabytes
@@ -94,27 +95,17 @@ final class AutopsyOptionsPanel extends javax.swing.JPanel {
     private String initialMemValue = Long.toString(Runtime.getRuntime().maxMemory() / ONE_BILLION);
     
     private final ReportBranding reportBranding;
-    private final JFileChooser heapFileChooser;
+    private JFileChooser heapFileChooser;
+    
+    private final JFileChooserFactory logoChooserHelper = new JFileChooserFactory();
+    private final JFileChooserFactory heapChooserHelper = new JFileChooserFactory();
+    private final JFileChooserFactory tempChooserHelper = new JFileChooserFactory();
 
     /**
      * Instantiate the Autopsy options panel.
      */
     AutopsyOptionsPanel() {
         initComponents();
-        logoFileChooser = new JFileChooser();
-        logoFileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
-        logoFileChooser.setMultiSelectionEnabled(false);
-        logoFileChooser.setAcceptAllFileFilterUsed(false);
-        logoFileChooser.setFileFilter(new GeneralFilter(GeneralFilter.GRAPHIC_IMAGE_EXTS, GeneralFilter.GRAPHIC_IMG_DECR));
-
-        tempDirChooser = new JFileChooser();
-        tempDirChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
-        tempDirChooser.setMultiSelectionEnabled(false);
-        
-        heapFileChooser = new JFileChooser();
-        heapFileChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
-        heapFileChooser.setMultiSelectionEnabled(false);
-
         if (!isJVMHeapSettingsCapable()) {
             //32 bit JVM has a max heap size of 1.4 gb to 4 gb depending on OS
             //So disabling the setting of heap size when the JVM is not 64 bit 
@@ -1242,6 +1233,11 @@ final class AutopsyOptionsPanel extends javax.swing.JPanel {
         "# {0} - path",
         "AutopsyOptionsPanel_tempDirectoryBrowseButtonActionPerformed_onInvalidPath_description=Unable to create temporary directory within specified path: {0}",})
     private void tempDirectoryBrowseButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_tempDirectoryBrowseButtonActionPerformed
+        if(tempDirChooser == null) {
+            tempDirChooser = tempChooserHelper.getChooser();
+            tempDirChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
+            tempDirChooser.setMultiSelectionEnabled(false);
+        }
         int returnState = tempDirChooser.showOpenDialog(this);
         if (returnState == JFileChooser.APPROVE_OPTION) {
             String specifiedPath = tempDirChooser.getSelectedFile().getPath();
@@ -1318,6 +1314,13 @@ final class AutopsyOptionsPanel extends javax.swing.JPanel {
     }//GEN-LAST:event_defaultLogoRBActionPerformed
 
     private void browseLogosButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_browseLogosButtonActionPerformed
+        if(logoFileChooser == null) {
+            logoFileChooser = logoChooserHelper.getChooser();
+            logoFileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
+            logoFileChooser.setMultiSelectionEnabled(false);
+            logoFileChooser.setAcceptAllFileFilterUsed(false);
+            logoFileChooser.setFileFilter(new GeneralFilter(GeneralFilter.GRAPHIC_IMAGE_EXTS, GeneralFilter.GRAPHIC_IMG_DECR));
+        }
         String oldLogoPath = agencyLogoPathField.getText();
         int returnState = logoFileChooser.showOpenDialog(this);
         if (returnState == JFileChooser.APPROVE_OPTION) {
@@ -1360,6 +1363,11 @@ final class AutopsyOptionsPanel extends javax.swing.JPanel {
         "AutopsyOptionsPanel_heapDumpBrowseButtonActionPerformed_fileAlreadyExistsMessage=File already exists.  Please select a new location."
     })
     private void heapDumpBrowseButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_heapDumpBrowseButtonActionPerformed
+        if(heapFileChooser == null) {
+            heapFileChooser = heapChooserHelper.getChooser();
+            heapFileChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
+            heapFileChooser.setMultiSelectionEnabled(false);
+        }
         String oldHeapPath = heapDumpFileField.getText();
         if (!StringUtils.isBlank(oldHeapPath)) {
             heapFileChooser.setCurrentDirectory(new File(oldHeapPath));

Core/src/org/sleuthkit/autopsy/datasourceprocessors/RawDSInputPanel.java

@@ -1,7 +1,7 @@
 /*
  * Autopsy Forensic Browser
  * 
- * Copyright 2011-2018 Basis Technology Corp.
+ * Copyright 2011-2021 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  * 
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -32,6 +32,7 @@ import org.sleuthkit.autopsy.corecomponentinterfaces.DataSourceProcessor;
 import org.sleuthkit.autopsy.coreutils.ModuleSettings;
 import org.sleuthkit.autopsy.coreutils.PathValidator;
 import org.sleuthkit.autopsy.coreutils.TimeZoneUtils;
+import org.sleuthkit.autopsy.guiutils.JFileChooserFactory;
 
 /**
  * Allows examiner to supply a raw data source.
@@ -41,7 +42,8 @@ final class RawDSInputPanel extends JPanel implements DocumentListener {
     private static final long TWO_GB = 2000000000L;
     private static final long serialVersionUID = 1L;    //default
     private final String PROP_LASTINPUT_PATH = "LBL_LastInputFile_PATH";
-    private final JFileChooser fc = new JFileChooser();
+    private JFileChooser fc;
+    private JFileChooserFactory chooserHelper = new JFileChooserFactory();
     // Externally supplied name is used to store settings 
     private final String contextName;
     /**
@@ -51,11 +53,6 @@ final class RawDSInputPanel extends JPanel implements DocumentListener {
         initComponents();
 
         errorLabel.setVisible(false);
-
-        fc.setDragEnabled(false);
-        fc.setFileSelectionMode(JFileChooser.FILES_ONLY);
-        fc.setMultiSelectionEnabled(false);
-
         this.contextName = context;
     }
 
@@ -200,18 +197,25 @@ final class RawDSInputPanel extends JPanel implements DocumentListener {
     }// </editor-fold>//GEN-END:initComponents
     @SuppressWarnings("deprecation")
     private void browseButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_browseButtonActionPerformed
-      String oldText = pathTextField.getText();
+        if (fc == null) {
-      // set the current directory of the FileChooser if the ImagePath Field is valid
+            fc = chooserHelper.getChooser();
-      File currentDir = new File(oldText);
+            fc.setDragEnabled(false);
-      if (currentDir.exists()) {
+            fc.setFileSelectionMode(JFileChooser.FILES_ONLY);
-          fc.setCurrentDirectory(currentDir);
+            fc.setMultiSelectionEnabled(false);
-      }
+        }
 
-      int retval = fc.showOpenDialog(this);
+        String oldText = pathTextField.getText();
-      if (retval == JFileChooser.APPROVE_OPTION) {
+        // set the current directory of the FileChooser if the ImagePath Field is valid
-          String path = fc.getSelectedFile().getPath();
+        File currentDir = new File(oldText);
-          pathTextField.setText(path);
+        if (currentDir.exists()) {
-      }
+            fc.setCurrentDirectory(currentDir);
+        }
+
+        int retval = fc.showOpenDialog(this);
+        if (retval == JFileChooser.APPROVE_OPTION) {
+            String path = fc.getSelectedFile().getPath();
+            pathTextField.setText(path);
+        }
     }//GEN-LAST:event_browseButtonActionPerformed
 
     private void j2GBBreakupRadioButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_j2GBBreakupRadioButtonActionPerformed

Core/src/org/sleuthkit/autopsy/datasourceprocessors/xry/XRYDataSourceProcessorConfigPanel.java

@@ -1,7 +1,7 @@
 /*
  * Autopsy Forensic Browser
  *
- * Copyright 2019 Basis Technology Corp.
+ * Copyright 2019-2021 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -30,6 +30,7 @@ import javax.swing.JPanel;
 import org.apache.commons.lang3.StringUtils;
 import org.sleuthkit.autopsy.corecomponentinterfaces.DataSourceProcessor;
 import org.sleuthkit.autopsy.coreutils.ModuleSettings;
+import org.sleuthkit.autopsy.guiutils.JFileChooserFactory;
 
 /**
  * Allows an examiner to configure the XRY Data source processor.
@@ -49,6 +50,8 @@ final class XRYDataSourceProcessorConfigPanel extends JPanel {
     //panel will indicate when it is ready for an update.
     private final PropertyChangeSupport pcs;
     
+    private final JFileChooserFactory chooserHelper = new JFileChooserFactory();
+    
     /**
      * Creates new form XRYDataSourceConfigPanel. 
      * Prevent direct instantiation.
@@ -191,7 +194,7 @@ final class XRYDataSourceProcessorConfigPanel extends JPanel {
      * report folder.
      */
     private void fileBrowserButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_fileBrowserButtonActionPerformed
-        JFileChooser fileChooser = new JFileChooser();
+        JFileChooser fileChooser = chooserHelper.getChooser();
         fileChooser.setMultiSelectionEnabled(false);
         fileChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
         Optional<Path> lastUsedPath = getLastUsedPath();

Core/src/org/sleuthkit/autopsy/directorytree/AddExternalViewerRulePanel.java

@@ -1,7 +1,7 @@
 /*
  * Autopsy Forensic Browser
  * 
- * Copyright 2011-2018 Basis Technology Corp.
+ * Copyright 2011-2021 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  * 
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -26,6 +26,7 @@ import javax.swing.event.DocumentListener;
 import org.openide.util.NbBundle;
 import org.sleuthkit.autopsy.casemodule.GeneralFilter;
 import org.sleuthkit.autopsy.coreutils.Logger;
+import org.sleuthkit.autopsy.guiutils.JFileChooserFactory;
 import org.sleuthkit.autopsy.modules.filetypeid.FileTypeDetector;
 
 /**
@@ -35,7 +36,9 @@ import org.sleuthkit.autopsy.modules.filetypeid.FileTypeDetector;
 class AddExternalViewerRulePanel extends javax.swing.JPanel {
 
     private static final Logger logger = Logger.getLogger(AddExternalViewerRulePanel.class.getName());
-    private final JFileChooser fc = new JFileChooser();
+    private static final long serialVersionUID = 1L;
+    private JFileChooser fc;
+    private final JFileChooserFactory chooserHelper = new JFileChooserFactory();
     private static final GeneralFilter exeFilter = new GeneralFilter(GeneralFilter.EXECUTABLE_EXTS, GeneralFilter.EXECUTABLE_DESC);
 
     enum EVENT {
@@ -47,10 +50,6 @@ class AddExternalViewerRulePanel extends javax.swing.JPanel {
      */
     AddExternalViewerRulePanel() {
         initComponents();
-        fc.setDragEnabled(false);
-        fc.setFileSelectionMode(JFileChooser.FILES_ONLY);
-        fc.setMultiSelectionEnabled(false);
-        fc.setFileFilter(exeFilter);
         customize();
     }
 
@@ -260,6 +259,13 @@ class AddExternalViewerRulePanel extends javax.swing.JPanel {
     }// </editor-fold>//GEN-END:initComponents
 
     private void browseButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_browseButtonActionPerformed
+        if(fc == null) {
+            fc = chooserHelper.getChooser();
+            fc.setDragEnabled(false);
+            fc.setFileSelectionMode(JFileChooser.FILES_ONLY);
+            fc.setMultiSelectionEnabled(false);
+            fc.setFileFilter(exeFilter);
+        }
         int returnState = fc.showOpenDialog(this);
         if (returnState == JFileChooser.APPROVE_OPTION) {
             String path = fc.getSelectedFile().getPath();

Core/src/org/sleuthkit/autopsy/directorytree/ExportCSVAction.java

@@ -1,7 +1,7 @@
 /*
  * Autopsy Forensic Browser
  *
- * Copyright 2019 Basis Technology Corp.
+ * Copyright 2019-2021 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -51,6 +51,7 @@ import org.sleuthkit.autopsy.datamodel.AbstractAbstractFileNode.AbstractFileProp
 import org.openide.nodes.Node;
 import org.openide.nodes.Node.PropertySet;
 import org.openide.nodes.Node.Property;
+import org.sleuthkit.autopsy.guiutils.JFileChooserFactory;
 
 /**
  * Exports CSV version of result nodes to a location selected by the user.
@@ -68,6 +69,8 @@ public final class ExportCSVAction extends AbstractAction {
     // org.openide.nodes.NodeOp.findActions(Node[] nodes) will only pick up an Action if every 
     // node in the array returns a reference to the same action object from Node.getActions(boolean).    
     private static ExportCSVAction instance;
+    
+    private static final JFileChooserFactory chooserHelper = new JFileChooserFactory();
 
     /**
      * Get an instance of the Action. See above for why
@@ -125,7 +128,7 @@ public final class ExportCSVAction extends AbstractAction {
             // Set up the file chooser with a default name and either the Export
             // folder or the last used folder.
             String fileName = getDefaultOutputFileName(nodesToExport.iterator().next().getParentNode());
-            JFileChooser fileChooser = new JFileChooser();
+            JFileChooser fileChooser = chooserHelper.getChooser();
             fileChooser.setCurrentDirectory(new File(getExportDirectory(Case.getCurrentCaseThrows())));
             fileChooser.setSelectedFile(new File(fileName));
             fileChooser.setFileFilter(new FileNameExtensionFilter("csv file", "csv"));

Core/src/org/sleuthkit/autopsy/directorytree/ExternalViewerGlobalSettingsPanel.java

@@ -1,7 +1,7 @@
 /*
  * Autopsy Forensic Browser
  *
- * Copyright 2011-2018 Basis Technology Corp.
+ * Copyright 2011-2021 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -33,6 +33,7 @@ import org.netbeans.spi.options.OptionsPanelController;
 import org.sleuthkit.autopsy.casemodule.GeneralFilter;
 import org.sleuthkit.autopsy.core.UserPreferences;
 import org.sleuthkit.autopsy.coreutils.PlatformUtil;
+import org.sleuthkit.autopsy.guiutils.JFileChooserFactory;
 
 /**
  * An options panel for the user to create, edit, and delete associations for
@@ -42,9 +43,13 @@ import org.sleuthkit.autopsy.coreutils.PlatformUtil;
 @SuppressWarnings("PMD.SingularField") // UI widgets cause lots of false positives
 final class ExternalViewerGlobalSettingsPanel extends javax.swing.JPanel implements OptionsPanel {
 
-    private ExternalViewerGlobalSettingsTableModel tableModel;
+    private static final long serialVersionUID = 1L;
 
-    public ExternalViewerGlobalSettingsPanel() {
+    private ExternalViewerGlobalSettingsTableModel tableModel;
+    
+    private final JFileChooserFactory chooserHelper = new JFileChooserFactory();
+
+    ExternalViewerGlobalSettingsPanel() {
         this(new ExternalViewerGlobalSettingsTableModel(new String[] {
             "Mime type/Extension", "Application"}));
     }
@@ -52,7 +57,7 @@ final class ExternalViewerGlobalSettingsPanel extends javax.swing.JPanel impleme
     /**
      * Creates new form ExternalViewerGlobalSettingsPanel
      */
-    public ExternalViewerGlobalSettingsPanel(ExternalViewerGlobalSettingsTableModel tableModel) {
+    ExternalViewerGlobalSettingsPanel(ExternalViewerGlobalSettingsTableModel tableModel) {
         initComponents();
         this.tableModel = tableModel;
         customizeComponents(tableModel);
@@ -335,7 +340,7 @@ final class ExternalViewerGlobalSettingsPanel extends javax.swing.JPanel impleme
     }//GEN-LAST:event_deleteRuleButtonActionPerformed
 
     private void browseHxDDirectoryActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_browseHxDDirectoryActionPerformed
-        JFileChooser fileWindow = new JFileChooser();
+        JFileChooser fileWindow = chooserHelper.getChooser();
         fileWindow.setFileSelectionMode(JFileChooser.FILES_ONLY);
         GeneralFilter exeFilter = new GeneralFilter(GeneralFilter.EXECUTABLE_EXTS, GeneralFilter.EXECUTABLE_DESC);
         File HxDPathFile = new File(HxDPath.getText());

Core/src/org/sleuthkit/autopsy/directorytree/ExtractUnallocAction.java

@@ -33,9 +33,6 @@ import java.util.List;
 import java.util.Set;
 import java.util.HashSet;
 import java.util.concurrent.ExecutionException;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-import java.util.concurrent.FutureTask;
 import java.util.logging.Level;
 import javax.swing.AbstractAction;
 import javax.swing.JFileChooser;
@@ -50,6 +47,7 @@ import org.sleuthkit.autopsy.casemodule.Case;
 import org.sleuthkit.autopsy.casemodule.NoCurrentCaseException;
 import org.sleuthkit.autopsy.coreutils.Logger;
 import org.sleuthkit.autopsy.coreutils.MessageNotifyUtil;
+import org.sleuthkit.autopsy.guiutils.JFileChooserFactory;
 import org.sleuthkit.datamodel.AbstractContent;
 import org.sleuthkit.datamodel.AbstractFile;
 import org.sleuthkit.datamodel.Content;
@@ -78,9 +76,7 @@ final class ExtractUnallocAction extends AbstractAction {
     private final Volume volume;
     private final Image image;
 
-    private final FutureTask<JFileChooser> futureFileChooser = new FutureTask<>(CustomFileChooser::new);
+    private final JFileChooserFactory chooserFactory;
-
-    private JFileChooser fileChooser = null;
 
     /**
      * Create an instance of ExtractUnallocAction with a volume.
@@ -90,7 +86,7 @@ final class ExtractUnallocAction extends AbstractAction {
      */
     ExtractUnallocAction(String title, Volume volume) {
         this(title, null, volume);
-
+        
     }
 
     /**
@@ -110,9 +106,8 @@ final class ExtractUnallocAction extends AbstractAction {
 
         this.volume = null;
         this.image = image;
-
+        
-        ExecutorService executor = Executors.newSingleThreadExecutor();
+        chooserFactory = new JFileChooserFactory(CustomFileChooser.class);
-        executor.execute(futureFileChooser);
     }
 
     /**
@@ -138,13 +133,7 @@ final class ExtractUnallocAction extends AbstractAction {
             return;
         }
 
-        if (fileChooser == null) {
+        JFileChooser fileChooser = chooserFactory.getChooser();
-            try {
-                fileChooser = futureFileChooser.get();
-            } catch (InterruptedException | ExecutionException ex) {
-                fileChooser = new CustomFileChooser();
-            }
-        }
 
         fileChooser.setCurrentDirectory(new File(getExportDirectory(openCase)));
         if (JFileChooser.APPROVE_OPTION != fileChooser.showSaveDialog((Component) event.getSource())) {
@@ -753,11 +742,11 @@ final class ExtractUnallocAction extends AbstractAction {
     }
 
     // A Custome JFileChooser for this Action Class.
-    private class CustomFileChooser extends JFileChooser {
+    public static class CustomFileChooser extends JFileChooser {
 
         private static final long serialVersionUID = 1L;
 
-        CustomFileChooser() {
+        public CustomFileChooser() {
             initalize();
         }
 

Core/src/org/sleuthkit/autopsy/directorytree/actionhelpers/ExtractActionHelper.java

@@ -1,7 +1,7 @@
 /*
  * Autopsy Forensic Browser
  *
- * Copyright 2013-2019 Basis Technology Corp.
+ * Copyright 2013-2021 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -42,6 +42,7 @@ import org.sleuthkit.autopsy.coreutils.FileUtil;
 import org.sleuthkit.autopsy.coreutils.Logger;
 import org.sleuthkit.autopsy.coreutils.MessageNotifyUtil;
 import org.sleuthkit.autopsy.datamodel.ContentUtils;
+import org.sleuthkit.autopsy.guiutils.JFileChooserFactory;
 import org.sleuthkit.datamodel.AbstractFile;
 
 /**
@@ -51,6 +52,9 @@ public class ExtractActionHelper {
 
     private final Logger logger = Logger.getLogger(ExtractActionHelper.class.getName());
     private String userDefinedExportPath;
+    
+    private final JFileChooserFactory extractFileHelper = new JFileChooserFactory();
+    private final JFileChooserFactory extractFilesHelper = new JFileChooserFactory();
 
     /**
      * Extract the specified collection of files with an event specified for
@@ -89,7 +93,7 @@ public class ExtractActionHelper {
             logger.log(Level.INFO, "Exception while getting open case.", ex); //NON-NLS
             return;
         }
-        JFileChooser fileChooser = new JFileChooser();
+        JFileChooser fileChooser = extractFileHelper.getChooser();
         fileChooser.setCurrentDirectory(new File(getExportDirectory(openCase)));
         // If there is an attribute name, change the ":". Otherwise the extracted file will be hidden
         fileChooser.setSelectedFile(new File(FileUtil.escapeFileName(selectedFile.getName())));
@@ -117,7 +121,7 @@ public class ExtractActionHelper {
             logger.log(Level.INFO, "Exception while getting open case.", ex); //NON-NLS
             return;
         }
-        JFileChooser folderChooser = new JFileChooser();
+        JFileChooser folderChooser = extractFilesHelper.getChooser();
         folderChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
         folderChooser.setCurrentDirectory(new File(getExportDirectory(openCase)));
         if (folderChooser.showSaveDialog((Component) event.getSource()) == JFileChooser.APPROVE_OPTION) {

Core/src/org/sleuthkit/autopsy/geolocation/GeolocationSettingsPanel.java

@@ -1,7 +1,7 @@
 /*
  * Autopsy Forensic Browser
  *
- * Copyright 2019 Basis Technology Corp.
+ * Copyright 2019-2021 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -35,6 +35,7 @@ import org.sleuthkit.autopsy.casemodule.GeneralFilter;
 import org.sleuthkit.autopsy.core.UserPreferences;
 import org.sleuthkit.autopsy.corecomponents.OptionsPanel;
 import org.sleuthkit.autopsy.coreutils.Logger;
+import org.sleuthkit.autopsy.guiutils.JFileChooserFactory;
 
 /**
  * A panel to allow the user to set the custom properties of the geolocation
@@ -46,6 +47,8 @@ final class GeolocationSettingsPanel extends javax.swing.JPanel implements Optio
     private static final long serialVersionUID = 1L;
     
     private static final Logger logger = Logger.getLogger(GeolocationSettingsPanel.class.getName());
+    
+    private static final JFileChooserFactory chooserHelper = new JFileChooserFactory();
 
     /**
      * Creates new GeolocationSettingsPanel
@@ -313,7 +316,7 @@ final class GeolocationSettingsPanel extends javax.swing.JPanel implements Optio
     }// </editor-fold>//GEN-END:initComponents
 
     private void zipFileBrowseBntActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_zipFileBrowseBntActionPerformed
-        JFileChooser fileWindow = new JFileChooser();
+        JFileChooser fileWindow = chooserHelper.getChooser();
         fileWindow.setFileSelectionMode(JFileChooser.FILES_ONLY);
         GeneralFilter fileFilter = new GeneralFilter(Arrays.asList(".zip"), "Zips (*.zip)"); //NON-NLS
         fileWindow.setDragEnabled(false);
@@ -374,7 +377,7 @@ final class GeolocationSettingsPanel extends javax.swing.JPanel implements Optio
     }//GEN-LAST:event_mbtilesRBtnActionPerformed
 
     private void mbtilesBrowseBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_mbtilesBrowseBtnActionPerformed
-        JFileChooser fileWindow = new JFileChooser();
+        JFileChooser fileWindow = chooserHelper.getChooser();
         fileWindow.setFileSelectionMode(JFileChooser.FILES_ONLY);
         GeneralFilter fileFilter = new GeneralFilter(Arrays.asList(".mbtiles"), "MBTiles (*.mbtiles)"); //NON-NLS
         fileWindow.setDragEnabled(false);

Core/src/org/sleuthkit/autopsy/guiutils/JFileChooserFactory.java

@@ -0,0 +1,147 @@
+/*
+ * Autopsy Forensic Browser
+ *
+ * Copyright 2021 Basis Technology Corp.
+ * Contact: carrier <at> sleuthkit <dot> org
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.sleuthkit.autopsy.guiutils;
+
+import com.google.common.util.concurrent.ThreadFactoryBuilder;
+import java.awt.Cursor;
+import java.util.concurrent.Callable;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.FutureTask;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import javax.swing.JFileChooser;
+import org.openide.windows.WindowManager;
+import org.sleuthkit.autopsy.coreutils.ThreadConfined;
+
+/**
+ * Factory class for initializing JFileChooser instances in a background thread.
+ *
+ * It is a known issue that on Windows a JFileChooser can take an indeterminate
+ * amount of time to initialize. Therefore when a JFileChooser is initialized on
+ * the EDT there is the potential for the UI to appear hung while initialization
+ * is occurring.
+ *
+ * Initializing a JFileChooser in a background thread should prevent the UI from
+ * hanging. Using this Factory class at component construction time should allow
+ * enough time for the JFileChooser to be initialized in the background before
+ * the UI user causes an event which will launch the JFileChooser. If the
+ * JFileChooser is not initialized prior to the event occurring, the EDT will be
+ * blocked, but the wait cursor will appear.
+ *
+ * https://stackoverflow.com/questions/49792375/jfilechooser-is-very-slow-when-using-windows-look-and-feel
+ */
+public final class JFileChooserFactory {
+
+    private static final Logger logger = Logger.getLogger(JFileChooserFactory.class.getName());
+
+    private final FutureTask<JFileChooser> futureFileChooser;
+    private JFileChooser chooser;
+    private final ExecutorService executor;
+
+    /**
+     * Create a new instance of the factory. The constructor will kick off an
+     * executor to execute the initializing the JFileChooser task.
+     */
+    public JFileChooserFactory() {
+        this(null);
+    }
+
+    /**
+     * Create a new instance of the factory using a class that extends
+     * JFileChooser. The class default constructor will be called to initialize
+     * the class.
+     *
+     * The passed in Class must be public and its default constructor must be
+     * public.
+     *
+     * @param cls Class type to initialize.
+     */
+    public JFileChooserFactory(Class<? extends JFileChooser> cls) {
+        if (cls == null) {
+            futureFileChooser = new FutureTask<>(JFileChooser::new);
+        } else {
+            futureFileChooser = new FutureTask<>(new ChooserCallable(cls));
+        }
+
+        executor = Executors.newSingleThreadExecutor(new ThreadFactoryBuilder().setNameFormat("JFileChooser-background-thread").build());
+        executor.execute(futureFileChooser);
+    }
+
+    /**
+     * Return and instance of JFileChooser to the caller.
+     *
+     * This call may block the EDT if the JFileChooser initialization has not
+     * completed.
+     *
+     * @return
+     */
+    @ThreadConfined(type = ThreadConfined.ThreadType.AWT)
+    public JFileChooser getChooser() {
+        if (chooser == null) {
+            // In case this takes a moment show the wait cursor.
+            try {
+                WindowManager.getDefault().getMainWindow().setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
+                try {
+                    // get() will only return when the initilization of the 
+                    // JFileChooser has completed.
+                    chooser = futureFileChooser.get();
+                } catch (InterruptedException | ExecutionException ex) {
+                    // An exception is generally not expected. On the off chance
+                    // one does occur save the situation by created a new
+                    // instance in the EDT.
+                    logger.log(Level.WARNING, "Failed to initialize JFileChooser in background thread.");
+                    chooser = new JFileChooser();
+                }
+            } finally {
+                WindowManager.getDefault().getMainWindow().setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
+                executor.shutdown();
+            }
+        }
+
+        return chooser;
+    }
+
+    /**
+     * Simple Callable that will initialize any subclass of JFileChooser using
+     * the default constructor.
+     * 
+     * Note that the class and default constructor must be public for this to
+     * work properly.
+     */
+    private class ChooserCallable implements Callable<JFileChooser> {
+
+        private final Class<? extends JFileChooser> type;
+
+        /**
+         * Construct a new instance for the given class type.
+         *
+         * @param type Class type to initialize.
+         */
+        ChooserCallable(Class<? extends JFileChooser> type) {
+            this.type = type;
+        }
+
+        @Override
+        public JFileChooser call() throws Exception {
+            return type.newInstance();
+        }
+    }
+}

Core/src/org/sleuthkit/autopsy/healthmonitor/HealthMonitorDashboard.java

@@ -1,7 +1,7 @@
 /*
  * Autopsy Forensic Browser
  *
- * Copyright 2018 Basis Technology Corp.
+ * Copyright 2018-2021 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -61,6 +61,7 @@ import org.sleuthkit.autopsy.core.UserPreferences;
 import org.sleuthkit.autopsy.coreutils.Logger;
 import org.sleuthkit.autopsy.coreutils.MessageNotifyUtil;
 import org.sleuthkit.autopsy.coreutils.PlatformUtil;
+import org.sleuthkit.autopsy.guiutils.JFileChooserFactory;
 
 /**
  * Dashboard for viewing metrics and controlling the health monitor.
@@ -86,6 +87,8 @@ public class HealthMonitorDashboard {
     private JDialog dialog = null;
     private final Container parentWindow;
     
+    private final JFileChooserFactory chooserHelper;
+    
     /**
      * Create an instance of the dashboard.
      * Call display() after creation to show the dashboard.
@@ -95,6 +98,7 @@ public class HealthMonitorDashboard {
         timingData = new HashMap<>();
         userData = new ArrayList<>();
         parentWindow = parent;
+        chooserHelper = new JFileChooserFactory();
     }
     
     /**
@@ -495,7 +499,7 @@ public class HealthMonitorDashboard {
         reportButton.addActionListener(new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent arg0) {
-                JFileChooser reportFileChooser = new JFileChooser();
+                JFileChooser reportFileChooser = chooserHelper.getChooser();
                 reportFileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
                 reportFileChooser.setCurrentDirectory(new File(UserPreferences.getHealthMonitorReportPath()));
                 final DateFormat csvTimestampFormat = new SimpleDateFormat("yyyyMMdd_HHmmss");

Core/src/org/sleuthkit/autopsy/logicalimager/configuration/ConfigVisualPanel1.java

@@ -1,7 +1,7 @@
 /*
  * Autopsy
  *
- * Copyright 2019 Basis Technology Corp.
+ * Copyright 2019-2021 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -50,6 +50,7 @@ import org.apache.commons.lang.StringUtils;
 import org.openide.util.NbBundle;
 import org.openide.util.NbBundle.Messages;
 import org.sleuthkit.autopsy.coreutils.Logger;
+import org.sleuthkit.autopsy.guiutils.JFileChooserFactory;
 import org.sleuthkit.autopsy.logicalimager.dsp.DriveListUtils;
 
 /**
@@ -63,6 +64,7 @@ final class ConfigVisualPanel1 extends JPanel {
     private static final String DEFAULT_CONFIG_FILE_NAME = "logical-imager-config.json";
     private static final String UPDATE_UI_EVENT_NAME = "UPDATE_UI";
     private String configFilename;
+    private final JFileChooserFactory chooserHelper;
 
     /**
      * Creates new form ConfigVisualPanel1
@@ -74,6 +76,7 @@ final class ConfigVisualPanel1 extends JPanel {
             refreshDriveList();
             updateControls();
         });
+        chooserHelper = new JFileChooserFactory();
     }
 
     @NbBundle.Messages({
@@ -332,7 +335,7 @@ final class ConfigVisualPanel1 extends JPanel {
         "ConfigVisualPanel1.configurationError=Configuration error",})
     private void chooseFile(String title) {
         final String jsonExt = ".json"; // NON-NLS
-        JFileChooser fileChooser = new JFileChooser();
+        JFileChooser fileChooser = chooserHelper.getChooser();
         fileChooser.setDialogTitle(title);
         fileChooser.setDragEnabled(false);
         fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);

Core/src/org/sleuthkit/autopsy/logicalimager/dsp/LogicalImagerPanel.java

@@ -1,7 +1,7 @@
 /*
  * Autopsy
  *
- * Copyright 2019 Basis Technology Corp.
+ * Copyright 2019-2021 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -44,6 +44,7 @@ import javax.swing.table.TableColumn;
 import org.openide.util.NbBundle.Messages;
 import org.sleuthkit.autopsy.corecomponentinterfaces.DataSourceProcessor;
 import org.sleuthkit.autopsy.coreutils.Logger;
+import org.sleuthkit.autopsy.guiutils.JFileChooserFactory;
 
 /**
  * Panel for adding an logical image file from drive letters. Allows the user to
@@ -64,10 +65,10 @@ final class LogicalImagerPanel extends JPanel implements DocumentListener {
     private static final int NUMBER_OF_VISIBLE_COLUMNS = 2;
     private static final String[] EMPTY_LIST_DATA = {};
 
-    private final JFileChooser fileChooser = new JFileChooser();
     private final Pattern regex = Pattern.compile("Logical_Imager_(.+)_(\\d{4})(\\d{2})(\\d{2})_(\\d{2})_(\\d{2})_(\\d{2})");
     private Path manualImageDirPath;
     private DefaultTableModel imageTableModel;
+    private final JFileChooserFactory chooserHelper;
 
     /**
      * Creates new form LogicalImagerPanel
@@ -80,6 +81,7 @@ final class LogicalImagerPanel extends JPanel implements DocumentListener {
         configureImageTable();
         jScrollPane1.setBorder(null);
         clearImageTable();
+        chooserHelper = new JFileChooserFactory();
     }
 
     /**
@@ -316,6 +318,7 @@ final class LogicalImagerPanel extends JPanel implements DocumentListener {
         "LogicalImagerPanel.messageLabel.directoryFormatInvalid=Directory {0} does not match format Logical_Imager_HOSTNAME_yyyymmdd_HH_MM_SS"
     })
     private void browseButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_browseButtonActionPerformed
+        JFileChooser fileChooser = chooserHelper.getChooser();
         imageTable.clearSelection();
         manualImageDirPath = null;
         setErrorMessage(NO_IMAGE_SELECTED);

Core/src/org/sleuthkit/autopsy/modules/hashdatabase/HashDbCreateDatabaseDialog.java

@@ -1,7 +1,7 @@
 /*
  * Autopsy Forensic Browser
  *
- * Copyright 2013-2020 Basis Technology Corp.
+ * Copyright 2013-2021 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -45,6 +45,7 @@ import org.sleuthkit.datamodel.TskData;
 import org.sleuthkit.datamodel.TskCoreException;
 import org.sleuthkit.autopsy.centralrepository.datamodel.CentralRepository;
 import org.sleuthkit.autopsy.featureaccess.FeatureAccessUtils;
+import org.sleuthkit.autopsy.guiutils.JFileChooserFactory;
 
 /**
  * Instances of this class allow a user to create a new hash database and add it
@@ -56,12 +57,14 @@ final class HashDbCreateDatabaseDialog extends javax.swing.JDialog {
 
     private static final String DEFAULT_FILE_NAME = NbBundle
             .getMessage(HashDbCreateDatabaseDialog.class, "HashDbCreateDatabaseDialog.defaultFileName");
+    private static final long serialVersionUID = 1L;
     private JFileChooser fileChooser = null;
     private HashDb newHashDb = null;
     private final static String LAST_FILE_PATH_KEY = "HashDbCreate_Path";
     private CentralRepoOrganization selectedOrg = null;
     private List<CentralRepoOrganization> orgs = null;
     static final String HASH_DATABASE_DIR_NAME = "HashDatabases";
+    private final JFileChooserFactory chooserFactory;
 
     /**
      * Displays a dialog that allows a user to create a new hash database and
@@ -70,10 +73,11 @@ final class HashDbCreateDatabaseDialog extends javax.swing.JDialog {
      */
     HashDbCreateDatabaseDialog() {
         super((JFrame) WindowManager.getDefault().getMainWindow(), NbBundle.getMessage(HashDbCreateDatabaseDialog.class, "HashDbCreateDatabaseDialog.createHashDbMsg"), true);
-        initFileChooser();
         initComponents();
+        chooserFactory = new JFileChooserFactory(CustomFileChooser.class);
         enableComponents();
         display();
+        
     }
 
     /**
@@ -84,43 +88,7 @@ final class HashDbCreateDatabaseDialog extends javax.swing.JDialog {
     HashDb getHashDatabase() {
         return newHashDb;
     }
-
+    
-    private void initFileChooser() {
-        fileChooser = new JFileChooser() {
-            @Override
-            public void approveSelection() {
-                File selectedFile = getSelectedFile();
-                if (!FilenameUtils.getExtension(selectedFile.getName()).equalsIgnoreCase(HashDbManager.getHashDatabaseFileExtension())) {
-                    if (JOptionPane.showConfirmDialog(this,
-                            NbBundle.getMessage(this.getClass(),
-                                    "HashDbCreateDatabaseDialog.hashDbMustHaveFileExtensionMsg",
-                                    HashDbManager.getHashDatabaseFileExtension()),
-                            NbBundle.getMessage(this.getClass(),
-                                    "HashDbCreateDatabaseDialog.fileNameErr"),
-                            JOptionPane.OK_CANCEL_OPTION) == JOptionPane.CANCEL_OPTION) {
-                        cancelSelection();
-                    }
-                    return;
-                }
-                if (selectedFile.exists()) {
-                    if (JOptionPane.showConfirmDialog(this,
-                            NbBundle.getMessage(this.getClass(),
-                                    "HashDbCreateDatabaseDialog.fileNameAlreadyExistsMsg"),
-                            NbBundle.getMessage(this.getClass(),
-                                    "HashDbCreateDatabaseDialog.fileExistsErr"),
-                            JOptionPane.OK_CANCEL_OPTION) == JOptionPane.CANCEL_OPTION) {
-                        cancelSelection();
-                    }
-                    return;
-                }
-                super.approveSelection();
-            }
-        };
-        fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
-        fileChooser.setDragEnabled(false);
-        fileChooser.setMultiSelectionEnabled(false);
-    }
-
     private void display() {
         setLocationRelativeTo(getOwner());
         setVisible(true);
@@ -169,6 +137,43 @@ final class HashDbCreateDatabaseDialog extends javax.swing.JDialog {
             Logger.getLogger(ImportCentralRepoDbProgressDialog.class.getName()).log(Level.SEVERE, "Failure loading organizations", ex);
         }
     }
+    
+    /**
+     * Customize the JFileChooser.
+     */
+    public static class CustomFileChooser extends JFileChooser {
+
+        private static final long serialVersionUID = 1L;
+
+        @Override
+        public void approveSelection() {
+            File selectedFile = getSelectedFile();
+            if (!FilenameUtils.getExtension(selectedFile.getName()).equalsIgnoreCase(HashDbManager.getHashDatabaseFileExtension())) {
+                if (JOptionPane.showConfirmDialog(this,
+                        NbBundle.getMessage(this.getClass(),
+                                "HashDbCreateDatabaseDialog.hashDbMustHaveFileExtensionMsg",
+                                HashDbManager.getHashDatabaseFileExtension()),
+                        NbBundle.getMessage(this.getClass(),
+                                "HashDbCreateDatabaseDialog.fileNameErr"),
+                        JOptionPane.OK_CANCEL_OPTION) == JOptionPane.CANCEL_OPTION) {
+                    cancelSelection();
+                }
+                return;
+            }
+            if (selectedFile.exists()) {
+                if (JOptionPane.showConfirmDialog(this,
+                        NbBundle.getMessage(this.getClass(),
+                                "HashDbCreateDatabaseDialog.fileNameAlreadyExistsMsg"),
+                        NbBundle.getMessage(this.getClass(),
+                                "HashDbCreateDatabaseDialog.fileExistsErr"),
+                        JOptionPane.OK_CANCEL_OPTION) == JOptionPane.CANCEL_OPTION) {
+                    cancelSelection();
+                }
+                return;
+            }
+            super.approveSelection();
+        }
+    }
 
     /**
      * This method is called from within the constructor to initialize the form.
@@ -435,6 +440,16 @@ final class HashDbCreateDatabaseDialog extends javax.swing.JDialog {
                 path.append(File.separator).append(DEFAULT_FILE_NAME);
             }
             path.append(".").append(HashDbManager.getHashDatabaseFileExtension());
+            
+            if(fileChooser == null) {
+                fileChooser = chooserFactory.getChooser();
+               
+                fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
+                fileChooser.setDragEnabled(false);
+                fileChooser.setMultiSelectionEnabled(false);
+            }
+            
+            
             fileChooser.setSelectedFile(new File(path.toString()));
             if (fileChooser.showSaveDialog(this) == JFileChooser.APPROVE_OPTION) {
                 File databaseFile = fileChooser.getSelectedFile();

Core/src/org/sleuthkit/autopsy/modules/hashdatabase/HashDbImportDatabaseDialog.java

@@ -1,7 +1,7 @@
 /*
  * Autopsy Forensic Browser
  *
- * Copyright 2013-2020 Basis Technology Corp.
+ * Copyright 2013-2021 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -43,6 +43,7 @@ import org.sleuthkit.autopsy.modules.hashdatabase.HashDbManager.HashDbManagerExc
 import org.sleuthkit.autopsy.modules.hashdatabase.HashDbManager.HashDb;
 import org.sleuthkit.autopsy.centralrepository.datamodel.CentralRepository;
 import org.sleuthkit.autopsy.featureaccess.FeatureAccessUtils;
+import org.sleuthkit.autopsy.guiutils.JFileChooserFactory;
 
 /**
  * Instances of this class allow a user to select an existing hash database and
@@ -52,12 +53,13 @@ import org.sleuthkit.autopsy.featureaccess.FeatureAccessUtils;
 @SuppressWarnings("PMD.SingularField") // UI widgets cause lots of false positives
 final class HashDbImportDatabaseDialog extends javax.swing.JDialog {
 
-    private final JFileChooser fileChooser;
+    private JFileChooser fileChooser;
     private String selectedFilePath = "";
     private HashDb selectedHashDb = null;
     private final static String LAST_FILE_PATH_KEY = "HashDbImport_Path";
     private CentralRepoOrganization selectedOrg = null;
     private List<CentralRepoOrganization> orgs = null;
+    private final JFileChooserFactory chooserHelper;
 
     /**
      * Displays a dialog that allows a user to select an existing hash database
@@ -68,10 +70,9 @@ final class HashDbImportDatabaseDialog extends javax.swing.JDialog {
         super((JFrame) WindowManager.getDefault().getMainWindow(),
                 NbBundle.getMessage(HashDbImportDatabaseDialog.class, "HashDbImportDatabaseDialog.importHashDbMsg"),
                 true);
-        this.fileChooser = new JFileChooser();
+        chooserHelper = new JFileChooserFactory();
         initComponents();
         enableComponents();
-        initFileChooser();
         display();
     }
 
@@ -84,16 +85,6 @@ final class HashDbImportDatabaseDialog extends javax.swing.JDialog {
         return selectedHashDb;
     }
 
-    private void initFileChooser() {
-        fileChooser.setDragEnabled(false);
-        fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
-        String[] EXTENSION = new String[]{"txt", "kdb", "idx", "hash", "Hash", "hsh"}; //NON-NLS
-        FileNameExtensionFilter filter = new FileNameExtensionFilter(
-                NbBundle.getMessage(this.getClass(), "HashDbImportDatabaseDialog.fileNameExtFilter.text"), EXTENSION);
-        fileChooser.setFileFilter(filter);
-        fileChooser.setMultiSelectionEnabled(false);
-    }
-
     private void display() {
         setLocationRelativeTo(WindowManager.getDefault().getMainWindow());
         setVisible(true);
@@ -421,6 +412,17 @@ final class HashDbImportDatabaseDialog extends javax.swing.JDialog {
     }// </editor-fold>//GEN-END:initComponents
 
     private void openButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_openButtonActionPerformed
+        if(fileChooser == null) {
+            fileChooser = chooserHelper.getChooser();
+            fileChooser.setDragEnabled(false);
+            fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
+            String[] EXTENSION = new String[]{"txt", "kdb", "idx", "hash", "Hash", "hsh"}; //NON-NLS
+            FileNameExtensionFilter filter = new FileNameExtensionFilter(
+                    NbBundle.getMessage(this.getClass(), "HashDbImportDatabaseDialog.fileNameExtFilter.text"), EXTENSION);
+            fileChooser.setFileFilter(filter);
+            fileChooser.setMultiSelectionEnabled(false);
+        }
+        
         String lastBaseDirectory = Paths.get(PlatformUtil.getUserConfigDirectory(), HashDbCreateDatabaseDialog.HASH_DATABASE_DIR_NAME).toString();
         if (ModuleSettings.settingExists(ModuleSettings.MAIN_SETTINGS, LAST_FILE_PATH_KEY)) {
             lastBaseDirectory = ModuleSettings.getConfigSetting(ModuleSettings.MAIN_SETTINGS, LAST_FILE_PATH_KEY);

Core/src/org/sleuthkit/autopsy/modules/hashdatabase/HashDbManager.java

@@ -1,7 +1,7 @@
 /*
  * Autopsy Forensic Browser
  *
- * Copyright 2011-2018 Basis Technology Corp.
+ * Copyright 2011-2021 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -65,6 +65,7 @@ import org.sleuthkit.datamodel.SleuthkitJNI;
 import org.sleuthkit.datamodel.TskCoreException;
 import org.sleuthkit.datamodel.TskData;
 import org.sleuthkit.autopsy.centralrepository.datamodel.CentralRepository;
+import org.sleuthkit.autopsy.guiutils.JFileChooserFactory;
 import org.sleuthkit.autopsy.modules.hashdatabase.HashDbManager.HashDb.KnownFilesType;
 
 /**
@@ -93,6 +94,8 @@ public class HashDbManager implements PropertyChangeListener {
     private static final String DB_NAME_PARAM = "dbName";
     private static final String KNOWN_STATUS_PARAM = "knownStatus";
     private static final Pattern OFFICIAL_FILENAME = Pattern.compile("(?<" + DB_NAME_PARAM + ">.+?)\\.(?<" + KNOWN_STATUS_PARAM + ">.+?)\\." + KDB_EXT);
+    
+    private final JFileChooserFactory chooserHelper;
 
     private static final FilenameFilter DEFAULT_KDB_FILTER = new FilenameFilter() {
         @Override
@@ -136,6 +139,7 @@ public class HashDbManager implements PropertyChangeListener {
     }
 
     private HashDbManager() {
+        chooserHelper = new JFileChooserFactory();
         loadHashsetsConfiguration();
     }
 
@@ -870,7 +874,7 @@ public class HashDbManager implements PropertyChangeListener {
 
     private String searchForFile() {
         String filePath = null;
-        JFileChooser fc = new JFileChooser();
+        JFileChooser fc = chooserHelper.getChooser();
         fc.setDragEnabled(false);
         fc.setFileSelectionMode(JFileChooser.FILES_ONLY);
         String[] EXTENSION = new String[]{"txt", "idx", "hash", "Hash", "kdb"}; //NON-NLS

Core/src/org/sleuthkit/autopsy/report/modules/stix/STIXReportModuleConfigPanel.java

@@ -1,7 +1,7 @@
 /*
  * Autopsy Forensic Browser
  * 
- * Copyright 2013-2018 Basis Technology Corp.
+ * Copyright 2013-2021 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  * 
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -20,6 +20,7 @@ package org.sleuthkit.autopsy.report.modules.stix;
 
 import java.io.File;
 import javax.swing.JFileChooser;
+import org.sleuthkit.autopsy.guiutils.JFileChooserFactory;
 
 /**
  * Configuration panel for STIX report generation.
@@ -29,6 +30,7 @@ public class STIXReportModuleConfigPanel extends javax.swing.JPanel {
 
     String stixFile = null;
     boolean showAllResults;
+    private final JFileChooserFactory chooserHelper;
 
     /**
      * Creates new form STIXReportModuleConfigPanel
@@ -37,6 +39,7 @@ public class STIXReportModuleConfigPanel extends javax.swing.JPanel {
         initComponents();
         showAllResults = false;
         jCheckBox1.setSelected(false);
+        chooserHelper = new JFileChooserFactory();
     }
     
     void setConfiguration(STIXReportModuleSettings settings) {
@@ -138,7 +141,7 @@ public class STIXReportModuleConfigPanel extends javax.swing.JPanel {
 
     private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
 
-        JFileChooser fileChooser = new JFileChooser();
+        JFileChooser fileChooser = chooserHelper.getChooser();
         fileChooser.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
 
         File currentSelection = new File(jStixFileTextField.getText());