Issue #2033 moved text workstation file into plugin, fixed PlotModelDataDefinition null pointer.

Change-Id: I41287c0af4f21dc842f99988f84da476bb6e785b

Former-commit-id: 1afd52c5452925d7198fdcfa00fd5a0122ff4674

cave/com.raytheon.viz.pointdata/src/com/raytheon/viz/pointdata/PlotModelDataDefinition.java

@@ -179,7 +179,6 @@ public class PlotModelDataDefinition extends
     private void populateModels() {
         if (models == null) {
             Map<String, List<String>> models = new HashMap<String, List<String>>();
-
             IPathManager pm = PathManagerFactory.getPathManager();
             LocalizationFile[] files = pm.listFiles(
                     pm.getLocalSearchHierarchy(LocalizationType.CAVE_STATIC),
@@ -194,16 +193,19 @@ public class PlotModelDataDefinition extends
 
             for (LocalizationFile file : files) {
                 String fileName = file.getName();
+                fileName = fileName.substring(PLOTLOCATION.length() + 1);
+                try {
                     if (models.containsKey(fileName) == false) {
+                        List<String> params = new ArrayList<String>();
                         List<PlotModelElement> fields = new PlotModelFactory2(
                                 fakeDescriptor, fileName).getPlotFields();
-                    List<String> params = new ArrayList<String>();
                         for (PlotModelElement p : fields) {
                             if (!p.parameter.equals("")
                                     && !p.parameter.contains(",")) {
                                 params.add(p.parameter);
                             } else if (p.parameter.contains(",")) {
-                            String[] individualParams = p.parameter.split(",");
+                                String[] individualParams = p.parameter
+                                        .split(",");
                                 for (String param : individualParams) {
                                     params.add(param);
                                 }
@@ -211,6 +213,12 @@ public class PlotModelDataDefinition extends
                         }
                         models.put(fileName, params);
                     }
+                } catch (Throwable t) {
+                    // Ignore as some svg files are fonts and not plot models
+                    // and the only way to tell is by catching exceptions thrown
+                    // from PlotModelFactory2 when constructed with the non-plot
+                    // model svg
+                }
             }
             PlotModelDataDefinition.models = models;
         }
@@ -254,7 +262,9 @@ public class PlotModelDataDefinition extends
                 possibleLevels.retainAll(returnQueue);
             }
         }
+
         List<String> validLevels = new ArrayList<String>();
+        if (possibleLevels != null) {
             for (String levelid : possibleLevels) {
                 try {
                     Level level = LevelFactory.getInstance().getLevel(
@@ -266,8 +276,9 @@ public class PlotModelDataDefinition extends
                                     .getLevelMappingForLevel(level)
                                     .getDisplayName());
                 } catch (CommunicationException e) {
-                statusHandler.handle(Priority.PROBLEM, e.getLocalizedMessage(),
-                        e);
+                    statusHandler.handle(Priority.PROBLEM,
+                            e.getLocalizedMessage(), e);
+                }
             }
         }
         return validLevels.toArray(new String[0]);