support convert openapi v2 to openapi v3 (for resttestgen v2)

Author: man-zhang

bb-exp-util/src/main/kotlin/org/evomaster/json2yaml/Main.kt

@@ -5,6 +5,7 @@ import com.fasterxml.jackson.databind.node.ArrayNode
 import com.fasterxml.jackson.databind.node.ObjectNode
 import com.fasterxml.jackson.dataformat.yaml.YAMLFactory
 import com.fasterxml.jackson.dataformat.yaml.YAMLGenerator
+import io.swagger.v3.core.util.Json
 import io.swagger.v3.core.util.Yaml
 import io.swagger.v3.parser.OpenAPIV3Parser
 import java.io.File
@@ -24,6 +25,7 @@ class Main {
 
         private val YAML_MAPPER = Yaml.mapper()
         private val YAML_WRITER = Yaml.pretty()
+        private val OPENAPI_V3_WRITER = Json.pretty()
 
         @JvmStatic
         fun main(args: Array<String>) {
@@ -43,28 +45,32 @@ class Main {
                     jsonToYaml(args[1])
                 }
                 "updateURLAndPort" -> {
-                    if (args.size != 3)
-                        throw IllegalArgumentException("to update url and port, the args should be 3, ie., `updateURLAndPort <openapi path> <port>`")
+                    if (args.size != 4 && args.size != 3)
+                        throw IllegalArgumentException("to update url and port, the args should be 3 or 4, ie., `updateURLAndPort <openapi path> <port> <openapi V2ToV3>`")
                     try {
                         args[2].toInt()
+                        if (args.size == 4)
+                            args[3].toBoolean()
                     }catch (ex: NumberFormatException){
-                        throw IllegalArgumentException("port must be a int number")
+                        throw IllegalArgumentException("port must be a int number and <openapi V2ToV3> must be boolean")
                     }
-                    updateURLAndPort(args[1], args[2])
+                    updateURLAndPort(args[1], args[2], args.size == 4 && args[3].toBoolean())
                 }
                 else ->{
                     throw IllegalArgumentException("only able to configure `authForResTest`, `jsonToYaml` and `updateURLAndPort`")
                 }
             }
         }
 
-        fun updateURLAndPort(openapiFile: String, port: String, saveFile: String = openapiFile){
+        fun updateURLAndPort(openapiFile: String, port: String, convertToOpenAPIV3: Boolean,saveFile: String = openapiFile){
             val path = Paths.get(openapiFile)
             if (!Files.exists(path)) throw IllegalArgumentException("File cannot found")
 
-            val mapper = if (openapiFile.endsWith(".json")) JSON_MAPPER else YAML_MAPPER
+            val isJson = openapiFile.endsWith(".json")
+
+            val mapper = if (isJson) JSON_MAPPER else YAML_MAPPER
             val openApi = mapper.readTree(path.toFile()) as ObjectNode
-            val writer = if (openapiFile.endsWith(".json")) mapper.writer() else YAML_WRITER
+            val writer = if (isJson) mapper.writer() else YAML_WRITER
 
             if (openApi.has("swagger")){
                 openApi.put("host", "localhost:$port")
@@ -88,7 +94,14 @@ class Main {
                     openApi.putArray("servers").add(urlNode)
                 }
             }
+
+
             writer.writeValue(Paths.get(saveFile).toFile(), openApi)
+
+            if (openApi.has("swagger") && convertToOpenAPIV3){
+                val openapiV3 = OpenAPIV3Parser().read(saveFile)
+                (if (isJson) OPENAPI_V3_WRITER else YAML_WRITER).writeValue(Paths.get(saveFile).toFile(), openapiV3)
+            }
         }
 
         private fun getResourcePath(path: String): String?{