better home for line feed after @generated (openapi-processor/openapi-processor-spring#269)

Author: hauner

openapi-processor-core/src/main/kotlin/io/openapiprocessor/core/writer/java/DataTypeWriterBase.kt

@@ -208,7 +208,6 @@ abstract class DataTypeWriterBase(
 
     private fun writeAnnotationsGenerated(target: Writer) {
         generatedWriter.writeUse(target)
-        target.write("\n")
     }
 
     private fun collectImports(packageName: String, dataType: ModelDataType): List<String> {

openapi-processor-core/src/main/kotlin/io/openapiprocessor/core/writer/java/GeneratedWriterImpl.kt

@@ -18,6 +18,7 @@ class GeneratedWriterImpl(private val info: GeneratedInfo, private val options:
 
     override fun writeUse(target: Writer) {
         target.write(create())
+        target.write("\n")
     }
 
     override fun writeSource(target: Writer) {

openapi-processor-core/src/main/kotlin/io/openapiprocessor/core/writer/java/InterfaceDataTypeWriter.kt

@@ -29,7 +29,6 @@ class InterfaceDataTypeWriter(
         }
 
         generatedWriter.writeUse(target)
-        target.write("\n")
         target.write("public interface ${dataType.getTypeName()} {\n")
         target.write ("}\n")
     }

openapi-processor-core/src/main/kotlin/io/openapiprocessor/core/writer/java/InterfaceWriter.kt

@@ -37,7 +37,6 @@ class InterfaceWriter(
         target.write("\n")
 
         generatedWriter.writeUse(target)
-        target.write("\n")
         target.write("public interface ${itf.getInterfaceName()} {\n\n")
 
         itf.endpoints.forEach { ep ->

openapi-processor-core/src/main/kotlin/io/openapiprocessor/core/writer/java/StringEnumWriter.kt

@@ -32,7 +32,6 @@ open class StringEnumWriter(
         }
 
         generatedWriter.writeUse(target)
-        target.write("\n")
         target.write("public enum ${dataType.getTypeName()}")
         if (isSupplier()) {
             target.write(" implements Supplier<String>")

openapi-processor-core/src/main/kotlin/io/openapiprocessor/core/writer/java/StringValuesWriter.kt

@@ -14,7 +14,7 @@ class StringValuesWriter(
 ) {
 
     fun writeValues(target: Writer) {
-        val imports = mutableListOf(
+        val imports = mutableSetOf(
             "${options.beanValidationFormat}.validation.Constraint",
             "${options.beanValidationFormat}.validation.Payload",
             "java.lang.annotation.*"
@@ -41,7 +41,6 @@ class StringValuesWriter(
         """.trimIndent())
 
         generatedWriter.writeUse(target)
-        target.write("\n")
 
         target.write("""
             public @interface Values {
@@ -55,7 +54,7 @@ class StringValuesWriter(
     }
 
     fun writeValueValidator(target: Writer) {
-        val imports = mutableListOf(
+        val imports = mutableSetOf(
             "${options.beanValidationFormat}.validation.ConstraintValidator",
             "${options.beanValidationFormat}.validation.ConstraintValidatorContext",
             "java.util.Arrays"
@@ -74,7 +73,6 @@ class StringValuesWriter(
         target.write("\n")
 
         generatedWriter.writeUse(target)
-        target.write("\n")
 
         target.write("""
             public class ValueValidator implements ConstraintValidator<Values, String> {

openapi-processor-core/src/test/kotlin/io/openapiprocessor/core/writer/java/SimpleGeneratedWriter.kt

@@ -15,7 +15,7 @@ class SimpleGeneratedWriter(private val options: ApiOptions) : GeneratedWriter {
     }
 
     override fun writeUse(target: Writer) {
-        target.write("@Generated")
+        target.write("@Generated\n")
     }
 
     override fun writeSource(target: Writer) {