Fixed PMD issues

Author: drpayyne

src/com/magento/idea/magento2plugin/actions/generation/dialog/NewModelsDialog.java

@@ -223,11 +223,11 @@ private void onOK() {
     private PsiFile generateModelFile() {
         final NamespaceBuilder modelNamespace = getModelNamespace();
         final NamespaceBuilder resourceModelNamespace = getResourceModelNamespace();
-        String resourceModelFqn = resourceModelNamespace.getClassFqn();
+        StringBuilder resourceModelFqn = new StringBuilder(resourceModelNamespace.getClassFqn());
         String resorceModelName = getResourceModelName();
 
         if (getModelName().equals(getResourceModelName())) {
-            resourceModelFqn += " as ResourceModel";
+            resourceModelFqn.append(" as ResourceModel");
             resorceModelName = "ResourceModel";
         }
 
@@ -238,7 +238,7 @@ private PsiFile generateModelFile() {
                 resorceModelName,
                 modelNamespace.getClassFqn(),
                 modelNamespace.getNamespace(),
-                resourceModelFqn
+                resourceModelFqn.toString()
         ), project).generate(NewModelsDialog.ACTION_NAME, true);
     }
 
@@ -258,16 +258,16 @@ private PsiFile generateCollectionFile() {
         final NamespaceBuilder resourceModelNamespace = getResourceModelNamespace();
         final NamespaceBuilder modelNamespace = getModelNamespace();
         final NamespaceBuilder collectionNamespace = getCollectionNamespace();
-        String modelFqn = modelNamespace.getClassFqn();
+        StringBuilder modelFqn = new StringBuilder(modelNamespace.getClassFqn());
         String modelName = getModelName();
-        String resourceModelFqn = resourceModelNamespace.getClassFqn();
+        StringBuilder resourceModelFqn = new StringBuilder(resourceModelNamespace.getClassFqn());
         String resorceModelName = getResourceModelName();
 
 
         if (getModelName().equals(getResourceModelName())) {
-            modelFqn += " as Model";
+            modelFqn.append(" as Model");
             modelName = "Model";
-            resourceModelFqn += " as ResourceModel";
+            resourceModelFqn.append(" as ResourceModel");
             resorceModelName = "ResourceModel";
         }
 
@@ -280,8 +280,8 @@ private PsiFile generateCollectionFile() {
             getCollectionDirectory(),
             collectionNamespace.getNamespace(),
             resorceModelName,
-            resourceModelFqn,
-            modelFqn
+            resourceModelFqn.toString(),
+            modelFqn.toString()
         ), project).generate(NewModelsDialog.ACTION_NAME, true);
     }