Fixed error when plugin or observer name is not set

Author: Vitaliy Boyko

src/com/magento/idea/magento2plugin/inspections/xml/ObserverDeclarationInspection.java

@@ -124,10 +124,12 @@ public void visitFile(final PsiFile file) {
                         if (observerDisabledAttribute != null
                                 && observerDisabledAttribute.getValue() != null
                                 && observerDisabledAttribute.getValue().equals("true")
+                                && !observerName.isEmpty()
                         ) {
-                            if (modulesWithSameObserverName.isEmpty()) {
+                            @Nullable XmlAttributeValue valueElement = observerNameAttribute.getValueElement();
+                            if (modulesWithSameObserverName.isEmpty() && valueElement != null) {
                                     problemsHolder.registerProblem(
-                                            observerNameAttribute.getValueElement(),
+                                            valueElement,
                                             inspectionBundle.message(
                                                 "inspection.observer.disabledObserverDoesNotExist"
                                             ),

src/com/magento/idea/magento2plugin/inspections/xml/PluginDeclarationInspection.java

@@ -118,14 +118,16 @@ public void visitFile(final PsiFile file) {
                         if (pluginTypeDisabledAttribute != null
                                 && pluginTypeDisabledAttribute.getValue() != null
                                 && pluginTypeDisabledAttribute.getValue().equals("true")
+                                && !pluginTypeName.isEmpty()
                         ) {
-                            if (modulesWithSamePluginName.isEmpty()) {
+                            @Nullable XmlAttributeValue valueElement = pluginTypeNameAttribute.getValueElement();
+                            if (modulesWithSamePluginName.isEmpty() && valueElement != null) {
                                 problemsHolder.registerProblem(
-                                        pluginTypeNameAttribute.getValueElement(),
-                                        inspectionBundle.message(
-                                            "inspection.plugin.disabledPluginDoesNotExist"
-                                        ),
-                                        errorSeverity
+                                            valueElement,
+                                            inspectionBundle.message(
+                                                "inspection.plugin.disabledPluginDoesNotExist"
+                                            ),
+                                            errorSeverity
                                 );
                             } else {
                                 continue;