From d0eea2db857cb41953406e39cc9d4a49bae6eb6c Mon Sep 17 00:00:00 2001
From: "U-BASIS\\dsmyda" <dsmyda@win-dsmyd-4990.basistech.net>
Date: Mon, 7 Jan 2019 09:31:52 -0500
Subject: [PATCH] External Rules bug fix

---
 .../directorytree/ExternalViewerGlobalSettingsPanel.java | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/Core/src/org/sleuthkit/autopsy/directorytree/ExternalViewerGlobalSettingsPanel.java b/Core/src/org/sleuthkit/autopsy/directorytree/ExternalViewerGlobalSettingsPanel.java
index cb30626845..704573fca9 100644
--- a/Core/src/org/sleuthkit/autopsy/directorytree/ExternalViewerGlobalSettingsPanel.java
+++ b/Core/src/org/sleuthkit/autopsy/directorytree/ExternalViewerGlobalSettingsPanel.java
@@ -43,7 +43,8 @@ final class ExternalViewerGlobalSettingsPanel extends javax.swing.JPanel impleme
     private ExternalViewerGlobalSettingsTableModel tableModel;
 
     public ExternalViewerGlobalSettingsPanel() {
-        this(new ExternalViewerGlobalSettingsTableModel(new String[] {"Mime type/Extension", "Application"}));
+        this(new ExternalViewerGlobalSettingsTableModel(new String[] {
+            "Mime type/Extension", "Application"}));
     }
     
     /**
@@ -338,7 +339,11 @@ final class ExternalViewerGlobalSettingsPanel extends javax.swing.JPanel impleme
     @Override
     public void load() {
         List<ExternalViewerRule> rules = ExternalViewerRulesManager.getInstance().getUserRules();
-        rules.forEach((rule) -> tableModel.addRule(rule));
+        for(ExternalViewerRule rule : rules) {
+            if(!tableModel.containsRule(rule)) {
+                tableModel.addRule(rule);
+            }
+        }
         String editorPath = UserPreferences.getHdXEditorPath();
         File HdXExecutable = new File(editorPath);
         if(HdXExecutable.exists() || HdXExecutable.canExecute()) {