Added comments

Core/src/org/sleuthkit/autopsy/modules/vmextractor/VMExtractorIngestModule.java

@@ -168,7 +168,8 @@ final class VMExtractorIngestModule extends DataSourceIngestModuleAdapter {
     }
 
     /**
-     * Locate all supported virtual machine files, if any, contained in a data source.
+     * Locate all supported virtual machine files, if any, contained in a data
+     * source.
      *
      * @param dataSource The data source.
      *
@@ -186,10 +187,17 @@ final class VMExtractorIngestModule extends DataSourceIngestModuleAdapter {
         return vmFiles;
     }
 
+    /**
+     * Writes out an abstract file to a specified output folder.
+     *
+     * @param vmFile                Abstract file to write to disk.
+     * @param outputFolderForThisVM Absolute path to output folder.
+     *
+     * @throws IOException
+     */
     private void writeVirtualMachineToDisk(AbstractFile vmFile, String outputFolderForThisVM) throws IOException {
 
         // TODO: check available disk space first? See IngestMonitor.getFreeSpace()
-        
         // check if output folder exists
         File destinationFolder = Paths.get(outputFolderForThisVM).toFile();
         if (!destinationFolder.exists()) {

Core/src/org/sleuthkit/autopsy/modules/vmextractor/VirtualMachineFinderUtility.java

@@ -189,6 +189,14 @@ public final class VirtualMachineFinderUtility {
         return false;
     }
 
+    /**
+     * Returns a list of all file names in the folder of interest. Sub-folders
+     * are excluded.
+     *
+     * @param path Absolute path of the folder of interest
+     *
+     * @return List of all file names in the folder of interest
+     */
     private static List<String> getAllFilesInFolder(String path) {
         // only returns files, skips folders
         File file = new File(path);