Miscellaneous minor refactoring

webapp/src/edu/cornell/mannlib/vitro/webapp/controller/freemarker/FreemarkerConfigurationLoader.java

@@ -60,12 +60,18 @@ public class FreemarkerConfigurationLoader {
     }
 
     protected String getThemeDir(ApplicationBean appBean) {
+        String themeDir = null;
     	if (appBean == null) {
     		log.error("Cannot get themeDir from null application bean");
-    	} else if (appBean.getThemeDir() == null) {
+    		return null;
+    	} else {
+    	    themeDir = appBean.getThemeDir();
+    	    if (themeDir == null) {
     	        log.error("themeDir is null");
+    	        return null;
     	    }
-        return appBean.getThemeDir().replaceAll("/$", "");
+    	} 
+        return themeDir.replaceAll("/$", "");
     }
 
     

webapp/src/edu/cornell/mannlib/vitro/webapp/controller/freemarker/FreemarkerHttpServlet.java

@@ -119,7 +119,6 @@ public class FreemarkerHttpServlet extends VitroHttpServlet {
      * the subclass method. For the same reason, it can't refer to a static or instance field
      * REQUIRED_ACTIONS which is overridden in the subclass.
      */
-    @SuppressWarnings("unused")
     protected Actions requiredActions(VitroRequest vreq) {
         return Actions.AUTHORIZED;
     }

webapp/src/edu/cornell/mannlib/vitro/webapp/utils/ThemeUtils.java

@@ -34,7 +34,7 @@ public class ThemeUtils {
         }
         
         // File.list() does not guarantee a specific order, so sort alphabetically
-        if (doSort == true) {
+        if (doSort) {
         	Collections.sort(themeNames);
         }