openapi-processor/openapi-processor-spring#198, let a processor create additional packages

Author: hauner

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

@@ -22,7 +22,8 @@ import kotlin.io.path.deleteRecursively
 /**
  * Writer factory for local file system. Must be initialized via [InitWriterTarget].
  */
-class DefaultWriterFactory(val options: ApiOptions) : WriterFactory, InitWriterTarget {
+open class DefaultWriterFactory(val options: ApiOptions): WriterFactory, InitWriterTarget
+{
     private var log: Logger = LoggerFactory.getLogger(this.javaClass.name)
 
     private lateinit var paths: Map<String, Path>
@@ -59,9 +60,15 @@ class DefaultWriterFactory(val options: ApiOptions) : WriterFactory, InitWriterT
             log.debug("initialized target folder: {}", validationPath.toAbsolutePath().toString())
         }
 
+        pkgPaths.putAll(initAdditionalPackages(options))
+
         paths = pkgPaths
     }
 
+    open fun initAdditionalPackages(options: ApiOptions): Map<String, Path> {
+        return emptyMap()
+    }
+
     @OptIn(ExperimentalPathApi::class)
     private fun clearTargetDir() {
         try {
@@ -71,7 +78,7 @@ class DefaultWriterFactory(val options: ApiOptions) : WriterFactory, InitWriterT
         }
     }
 
-    private fun initTargetPackage(subPackageName: String): Pair<String, Path> {
+    protected fun initTargetPackage(subPackageName: String): Pair<String, Path> {
         val rootPackageFolder = options.packageName.replace(".", "/")
 
         val apiPackage = options.packageName.plus(".$subPackageName")

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

@@ -154,6 +154,22 @@ class DefaultWriterFactorySpec : StringSpec({
         Files.exists(support.resolve("Old.java")) shouldBe false
         Files.exists(validation.resolve("Old.java")) shouldBe false
     }
+
+    "initializes additional package folders" {
+        val writerFactory = object : DefaultWriterFactory(options) {
+            override fun initAdditionalPackages(options: ApiOptions): Map<String, Path> {
+                val pkgPaths = HashMap<String, Path>()
+                val (name, path) = initTargetPackage("foo/bar")
+                return pkgPaths
+            }
+        }
+        writerFactory.init()
+
+        val additional = options.getSourceDir("foo/bar")
+
+        Files.exists(additional) shouldBe true
+        Files.isDirectory(additional) shouldBe true
+    }
 })