1035: removed deprecated Function#getReturnType

Author: doninAtwix

src/com/magento/idea/magento2plugin/actions/generation/util/FillTextBufferWithPluginMethods.java

@@ -13,6 +13,7 @@
 import com.jetbrains.php.lang.psi.elements.Parameter;
 import com.jetbrains.php.lang.psi.elements.PhpReturnType;
 import com.magento.idea.magento2plugin.actions.generation.data.code.PluginMethodData;
+import com.magento.idea.magento2plugin.actions.generation.generator.util.PhpClassGeneratorUtil;
 import com.magento.idea.magento2plugin.actions.generation.references.PhpClassReferenceResolver;
 import com.magento.idea.magento2plugin.util.php.PhpTypeMetadataParserUtil;
 import java.util.ArrayList;
@@ -55,19 +56,19 @@ public void execute(
             final PsiElement targetClass = (PsiElement) pluginMethod.getTargetMethod()
                     .getUserData(targetClassKey);
             resolver.processElement(targetClass);
-            PhpReturnType returnType = targetMethod.getReturnType();
+
             final String returnTypeFqn =
                     PhpTypeMetadataParserUtil.getMethodReturnType(targetMethod);
 
-            if (returnType == null && returnTypeFqn != null) {
-                returnType = PhpPsiElementFactory.createReturnType(
+            if (returnTypeFqn != null && PhpClassGeneratorUtil.isValidFqn(returnTypeFqn)) {
+                final PhpReturnType returnType = PhpPsiElementFactory.createReturnType(
                         pluginMethod.getTargetMethod().getProject(),
                         returnTypeFqn
                 );
-            }
 
-            if (returnType != null) {
-                resolver.processElement(returnType);
+                if (returnType != null) {
+                    resolver.processElement(returnType);
+                }
             }
 
             textBuf.append('\n');