experimental work to show mimetype icon for undisplayable images/videos

Core/nbproject/project.xml

@@ -182,6 +182,21 @@
                 </dependency>
             </module-dependencies>
             <public-packages>
+                <package>org.apache.tika</package>
+                <package>org.apache.tika.config</package>
+                <package>org.apache.tika.detect</package>
+                <package>org.apache.tika.exception</package>
+                <package>org.apache.tika.extractor</package>
+                <package>org.apache.tika.fork</package>
+                <package>org.apache.tika.io</package>
+                <package>org.apache.tika.language</package>
+                <package>org.apache.tika.metadata</package>
+                <package>org.apache.tika.mime</package>
+                <package>org.apache.tika.parser</package>
+                <package>org.apache.tika.parser.external</package>
+                <package>org.apache.tika.sax</package>
+                <package>org.apache.tika.sax.xpath</package>
+                <package>org.apache.tika.utils</package>
                 <package>org.sleuthkit.autopsy.actions</package>
                 <package>org.sleuthkit.autopsy.casemodule</package>
                 <package>org.sleuthkit.autopsy.casemodule.services</package>

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

@@ -38,9 +38,9 @@ import javafx.beans.property.SimpleIntegerProperty;
 import javafx.embed.swing.SwingFXUtils;
 import javafx.scene.image.Image;
 import javafx.scene.image.WritableImage;
+import javax.annotation.Nullable;
 import javax.imageio.ImageIO;
 import org.apache.commons.lang3.concurrent.BasicThreadFactory;
-import org.openide.util.Exceptions;
 import org.openide.util.Utilities;
 import org.sleuthkit.autopsy.casemodule.Case;
 import org.sleuthkit.autopsy.corelibs.ScalrWrapper;
@@ -99,6 +99,7 @@ public enum ThumbnailCache {
      * @return a thumbnail for the given file, returns null if the thumbnail
      *         could not be generated
      */
+    @Nullable
     public Image get(DrawableFile<?> file) {
         try {
             return cache.get(file.getId(), () -> load(file)).orElse(null);
@@ -108,11 +109,12 @@ public enum ThumbnailCache {
         }
     }
 
+    @Nullable
     public Image get(Long fileID) {
         try {
             return get(ImageGalleryController.getDefault().getFileFromId(fileID));
         } catch (TskCoreException ex) {
-            Exceptions.printStackTrace(ex);
+            LOGGER.log(Level.WARNING, "failed to load icon for file id : " + fileID, ex.getCause());
             return null;
         }
     }
@@ -181,6 +183,7 @@ public enum ThumbnailCache {
      * @return the newly generated thumbnail {@link Image}, or {@code null} if a
      *         thumbnail could not be generated
      */
+    @Nullable
     private Image generateAndSaveThumbnail(final DrawableFile<?> file) {
         //create a buffered input stream for the underlying Abstractfile
         try (InputStream inputStream = new BufferedInputStream(new ReadContentInputStream(file.getAbstractFile()))) {
@@ -212,6 +215,7 @@ public enum ThumbnailCache {
      * @return a thumbnail generated for the given file, or {@code null} if a
      *         thumbnail could not be generated
      */
+    @Nullable
     private Image fallbackToSwingImage(final DrawableFile<?> file) {
         final BufferedImage generateSwingIcon = generateSwingThumbnail(file);
         if (generateSwingIcon == null) {    //if swing failed,

ImageGallery/src/org/sleuthkit/autopsy/imagegallery/datamodel/ImageFile.java

@@ -18,17 +18,16 @@
  */
 package org.sleuthkit.autopsy.imagegallery.datamodel;
 
-import java.awt.image.BufferedImage;
-import java.io.IOException;
 import java.lang.ref.SoftReference;
-import java.util.logging.Level;
-import javafx.embed.swing.SwingFXUtils;
 import javafx.scene.image.Image;
-import javax.imageio.ImageIO;
-import org.sleuthkit.autopsy.coreutils.Logger;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.tika.mime.MimeTypeException;
+import org.apache.tika.mime.MimeTypes;
+import org.openide.util.Exceptions;
 import org.sleuthkit.autopsy.imagegallery.ThumbnailCache;
+import org.sleuthkit.autopsy.modules.filetypeid.FileTypeDetector;
 import org.sleuthkit.datamodel.AbstractFile;
-import org.sleuthkit.datamodel.ReadContentInputStream;
+import org.sleuthkit.datamodel.TskCoreException;
 
 /**
  * ImageGallery data model object that represents an image file. It is a
@@ -51,24 +50,37 @@ public class ImageFile<T extends AbstractFile> extends DrawableFile<T> {
         return ThumbnailCache.getDefault().get(this);
     }
 
-   
-
     public Image getFullSizeImage() {
         Image image = null;
-        if (imageRef != null) {
-            image = imageRef.get();
-        }
-
+//        if (imageRef != null) {
+//            image = imageRef.get();
+//        }
+//        if (image == null) {
+//
+//            try (ReadContentInputStream readContentInputStream = new ReadContentInputStream(this.getAbstractFile())) {
+//                BufferedImage read = ImageIO.read(readContentInputStream);
+//                image = SwingFXUtils.toFXImage(read, null);
+//            } catch (IOException | NullPointerException ex) {
+//                Logger.getLogger(ImageFile.class.getName()).log(Level.WARNING, "unable to read file" + getName());
+//                return null;
+//            }
+//            imageRef = new SoftReference<>(image);
+//        }
         if (image == null) {
+            try {
+                String fileType1 = new FileTypeDetector().getFileType(file);
+                String extension = MimeTypes.getDefaultMimeTypes().forName(fileType1).getExtension();
+                extension = StringUtils.strip(extension, ".");
+                final String name = "/org/sleuthkit/autopsy/imagegallery/images/mimeTypes/" + extension + "-icon-128x128.png";
+                System.out.println(name);
+                final String toExternalForm = ImageFile.class.getResource(name).toExternalForm();
+                return new Image(toExternalForm, true);
 
-            try (ReadContentInputStream readContentInputStream = new ReadContentInputStream(this.getAbstractFile())) {
-                BufferedImage read = ImageIO.read(readContentInputStream);
-                image = SwingFXUtils.toFXImage(read, null);
-            } catch (IOException | NullPointerException ex) {
-                Logger.getLogger(ImageFile.class.getName()).log(Level.WARNING, "unable to read file" + getName());
-                return null;
+            } catch (NullPointerException | FileTypeDetector.FileTypeDetectorInitException | TskCoreException ex) {
+                Exceptions.printStackTrace(ex);
+            } catch (MimeTypeException ex) {
+                Exceptions.printStackTrace(ex);
             }
-            imageRef = new SoftReference<>(image);
         }
             return image;
     }

ImageGallery/src/org/sleuthkit/autopsy/imagegallery/gui/MediaControl.java

@@ -112,13 +112,13 @@ public class MediaControl extends BorderPane {
             return new MediaControl(new MediaPlayer(file.getMedia()), file);
         } catch (IOException ex) {
             Logger.getLogger(VideoFile.class.getName()).log(Level.WARNING, "failed to initialize MediaControl for file " + file.getName(), ex);
-            return new Text(ex.getLocalizedMessage() + "\nSee the logs for details.");
+            return new Text(ex.getLocalizedMessage() + "\nSee the logs for details.\n\nTry the \"Open In External Viewer\" action.");
         } catch (MediaException ex) {
             Logger.getLogger(VideoFile.class.getName()).log(Level.WARNING, ex.getType() + " Failed to initialize MediaControl for file " + file.getName(), ex);
-            return new Text(ex.getType() + "\nSee the logs for details.");
+            return new Text(ex.getType() + "\nSee the logs for details.\n\nTry the \"Open In External Viewer\" action.");
         } catch (OutOfMemoryError ex) {
             Logger.getLogger(VideoFile.class.getName()).log(Level.WARNING, "failed to initialize MediaControl for file " + file.getName(), ex);
-            return new Text("There was a problem playing video file.\nSee the logs for details.");
+            return new Text("There was a problem playing video file.\nSee the logs for details.\n\nTry the \"Open In External Viewer\" action.");
         }
     }