Set GUI main frame icon image

pace-gui/pom.xml

@@ -105,6 +105,7 @@
           <include>exclamation_20dp_FILL0_wght400_GRAD0_opsz20.png</include>
           <include>keyboard_arrow_up_24dp_FILL0_wght400_GRAD0_opsz24.png</include>
           <include>keyboard_arrow_down_24dp_FILL0_wght400_GRAD0_opsz24.png</include>
+          <include>pace.png</include>
         </includes>
       </resource>
     </resources>

pace-gui/src/main/java/edu/colorado/cires/pace/gui/Application.java

@@ -42,17 +42,20 @@ protected void createGUI() {
     }
 
     try {
-      Dimension size = UIUtils.getPercentageOfWindowDimension(.75, .65);
 
+      Dimension size = UIUtils.getPercentageOfWindowDimension(.75, .65);
+      JFrame mainFrame = new JFrame();
+      mainFrame.setIconImage(UIUtils.getImageIcon("pace.png", this.getClass()).getImage());
       ApplicationTabs applicationTabs = new ApplicationTabs(objectMapper);
       applicationTabs.init();
-      setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
-      setContentPane(applicationTabs);
-      setTitle("PACE");
-      setSize(size);
-      setPreferredSize(size);
-      setLocationRelativeTo(null);
-      setVisible(true);
+      mainFrame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
+      mainFrame.setContentPane(applicationTabs);
+      mainFrame.setTitle("PACE");
+      mainFrame.setSize(size);
+      mainFrame.setPreferredSize(size);
+      mainFrame.setLocationRelativeTo(null);
+
+      mainFrame.setVisible(true);
     } catch (Exception e) {
       throw new RuntimeException(e);
     }