Small refactoring

Author: Chessray

extensions/src/main/java/org/mapstruct/extensions/spring/converter/ConverterMapperProcessor.java

@@ -109,7 +109,7 @@ public boolean process(
   }
 
   private void writeDelegatingConverterFile(final DelegatingConverterDescriptor descriptor) {
-    try (final Writer outputWriter = openSourceFile(descriptor.getConverterClassName())) {
+    try (final Writer outputWriter = openSourceFile(descriptor::getConverterClassName)) {
       delegatingConverterGenerator.writeGeneratedCodeToOutput(descriptor, outputWriter);
     } catch (IOException e) {
       processingEnv
@@ -318,22 +318,22 @@ private void writeOutputFile(
 
   private Writer openConverterRegistrationConfigurationFile(
       final ConversionServiceAdapterDescriptor descriptor) throws IOException {
-    return openSourceFile(descriptor.getConverterRegistrationConfigurationClassName());
+    return openSourceFile(descriptor::getConverterRegistrationConfigurationClassName);
   }
 
   private Writer openConverterScanFile(final ConversionServiceAdapterDescriptor descriptor)
       throws IOException {
-    return openSourceFile(descriptor.getConverterScanClassName());
+    return openSourceFile(descriptor::getConverterScanClassName);
   }
 
   private Writer openConverterScansFile(final ConversionServiceAdapterDescriptor descriptor)
       throws IOException {
-    return openSourceFile(descriptor.getConverterScansClassName());
+    return openSourceFile(descriptor::getConverterScansClassName);
   }
 
   private Writer openAdapterFile(final ConversionServiceAdapterDescriptor descriptor)
       throws IOException {
-    return openSourceFile(descriptor.getAdapterClassName());
+    return openSourceFile(descriptor::getAdapterClassName);
   }
 
   private ClassName getAdapterClassName(

extensions/src/main/java/org/mapstruct/extensions/spring/converter/GeneratorInitializingProcessor.java

@@ -5,6 +5,7 @@
 import java.io.IOException;
 import java.io.Writer;
 import java.util.List;
+import java.util.function.Supplier;
 import javax.annotation.processing.AbstractProcessor;
 import javax.annotation.processing.ProcessingEnvironment;
 import javax.lang.model.SourceVersion;
@@ -27,7 +28,7 @@ public final SourceVersion getSupportedSourceVersion() {
     return SourceVersion.latestSupported();
   }
 
-  protected final Writer openSourceFile(final ClassName className) throws IOException {
-    return processingEnv.getFiler().createSourceFile(className.canonicalName()).openWriter();
+  protected final Writer openSourceFile(final Supplier<ClassName> classNameSupplier) throws IOException {
+    return processingEnv.getFiler().createSourceFile(classNameSupplier.get().canonicalName()).openWriter();
   }
 }