OpenAPITools#1023 - [Scala] Use status family during response process…

…ing (OpenAPITools#1024)

* OpenAPITools#1023 - [Scala] Use status family during response processing

* OpenAPITools#1023 - [Scala] Use status family during response processing - adding REDIRECTION & INFORMATIONAL support

modules/openapi-generator/src/main/resources/scala-httpclient/api.mustache

@@ -13,12 +13,13 @@ import com.sun.jersey.multipart.file.FileDataBodyPart
 import com.wordnik.swagger.client._
 import com.wordnik.swagger.client.ClientResponseReaders.Json4sFormatsReader._
 import com.wordnik.swagger.client.RequestWriters.Json4sFormatsWriter._
+import javax.ws.rs.core.Response.Status.Family
 
 import java.net.URI
 import java.io.File
 import java.util.Date
 import java.util.TimeZone
-import javax.ws.rs.core.MediaType
+import javax.ws.rs.core.{MediaType, Response}
 
 import scala.concurrent.ExecutionContext.Implicits.global
 import scala.concurrent._
@@ -144,7 +145,11 @@ class {{classname}}AsyncHelper(client: TransportClient, config: SwaggerConfig) e
 
     val resFuture = client.submit("{{httpMethod}}", path, queryParams.toMap, headerParams.toMap, {{#bodyParam}}writer.write({{paramName}}){{/bodyParam}}{{^bodyParam}}"{{emptyBodyParam}}"{{/bodyParam}})
     resFuture flatMap { resp =>
-      process(reader.read(resp))
+      val status = Response.Status.fromStatusCode(resp.statusCode)
+      status.getFamily match {
+        case Family.SUCCESSFUL | Family.REDIRECTION | Family.INFORMATIONAL => process(reader.read(resp))
+        case _ => throw new ApiException(resp.statusCode, resp.statusText)
+      }
     }
   }
 

samples/client/petstore/dart-jaguar/flutter_proto_petstore/android/src/main/scala/org/openapitools/client/ApiInvoker.scala

@@ -0,0 +1,237 @@
+/**
+ * OpenAPI Petstore *_/ ' \" =end -- \\r\\n \\n \\r
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\  *_/ ' \" =end --       
+ *
+ * OpenAPI spec version: 1.0.0 *_/ ' \" =end -- \\r\\n \\n \\r
+ * Contact: something@something.abc *_/ ' \" =end -- \\r\\n \\n \\r
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+package org.openapitools.client
+
+import com.sun.jersey.api.client.Client
+import com.sun.jersey.api.client.ClientResponse
+import com.sun.jersey.api.client.config.ClientConfig
+import com.sun.jersey.api.client.config.DefaultClientConfig
+import com.sun.jersey.api.client.filter.LoggingFilter
+
+import com.sun.jersey.core.util.MultivaluedMapImpl
+import com.sun.jersey.multipart.FormDataMultiPart
+import com.sun.jersey.multipart.file.FileDataBodyPart
+
+import java.io.File
+import java.net.URLEncoder
+import java.util.UUID
+import javax.ws.rs.core.MediaType
+
+import scala.collection.JavaConverters._
+import scala.collection.mutable
+
+import com.fasterxml.jackson.module.scala.DefaultScalaModule
+import com.fasterxml.jackson.datatype.joda.JodaModule
+import com.fasterxml.jackson.core.JsonGenerator.Feature
+import com.fasterxml.jackson.databind._
+import com.fasterxml.jackson.annotation._
+import com.fasterxml.jackson.databind.annotation.JsonSerialize
+
+object ScalaJsonUtil {
+  def getJsonMapper: ObjectMapper = {
+    val mapper = new ObjectMapper()
+    mapper.registerModule(new DefaultScalaModule())
+    mapper.registerModule(new JodaModule())
+    mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL)
+    mapper.setSerializationInclusion(JsonInclude.Include.NON_DEFAULT)
+    mapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false)
+    mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
+    mapper.setSerializationInclusion(JsonInclude.Include.NON_EMPTY)
+    mapper
+  }
+}
+
+class ApiInvoker(val mapper: ObjectMapper = ScalaJsonUtil.getJsonMapper,
+  httpHeaders: mutable.HashMap[String, String] = mutable.HashMap(),
+  hostMap: mutable.HashMap[String, Client] = mutable.HashMap(),
+  asyncHttpClient: Boolean = false,
+  authScheme: String = "",
+  authPreemptive: Boolean = false
+) {
+
+  var defaultHeaders: mutable.HashMap[String, String] = httpHeaders
+
+  def escape(value: String): String = {
+    URLEncoder.encode(value, "utf-8").replaceAll("\\+", "%20")
+  }
+  def escape(values: List[String]): String = {
+     values.map(escape).mkString(",")
+  }
+
+  def escape(value: Long): String = value.toString
+  def escape(value: Double): String = value.toString
+  def escape(value: Float): String = value.toString
+  def escape(value: UUID): String = value.toString
+
+  def deserialize(json: String, containerType: String, cls: Class[_]) = {
+    if (cls == classOf[String]) {
+      json match {
+        case s: String =>
+          if (s.startsWith("\"") && s.endsWith("\"") && s.length > 1) {
+            s.substring(1, s.length - 1)
+          } else {
+            s
+          }
+        case _ => null
+      }
+    } else {
+      containerType.toLowerCase match {
+        case "array" =>
+          val typeInfo = mapper.getTypeFactory.constructCollectionType(classOf[java.util.List[_]], cls)
+          val response = mapper.readValue(json, typeInfo).asInstanceOf[java.util.List[_]]
+          response.asScala.toList
+        case "list" =>
+          val typeInfo = mapper.getTypeFactory.constructCollectionType(classOf[java.util.List[_]], cls)
+          val response = mapper.readValue(json, typeInfo).asInstanceOf[java.util.List[_]]
+          response.asScala.toList
+        case _ =>
+          json match {
+            case e: String if "\"\"" == e => null
+            case _ => mapper.readValue(json, cls)
+          }
+      }
+    }
+  }
+
+  def serialize(obj: AnyRef): String = {
+    if (obj != null) {
+      obj match {
+        case e: List[_] => mapper.writeValueAsString(obj.asInstanceOf[List[_]].asJava)
+        case _ => mapper.writeValueAsString(obj)
+      }
+    } else {
+        null
+    }
+  }
+
+  def invokeApi(
+    host: String,
+    path: String,
+    method: String,
+    queryParams: Map[String, String],
+    formParams: Map[String, String],
+    body: AnyRef,
+    headerParams: Map[String, String],
+    contentType: String
+): String = {
+    val client = getClient(host)
+
+    val querystring = queryParams.filter(k => k._2 != null).map(k => escape(k._1) + "=" + escape(k._2)).mkString("?", "&", "")
+    val builder = client.resource(host + path + querystring).accept(contentType)
+    headerParams.map(p => builder.header(p._1, p._2))
+    defaultHeaders.foreach(p => {
+      if (!headerParams.contains(p._1) && p._2 != null) {
+        builder.header(p._1, p._2)
+      }
+    })
+    var formData: MultivaluedMapImpl = null
+    if (contentType == "application/x-www-form-urlencoded") {
+      formData = new MultivaluedMapImpl()
+      formParams.foreach(p => formData.add(p._1, p._2))
+    }
+
+    val response: ClientResponse = method match {
+      case "GET" => builder.get(classOf[ClientResponse])
+      case "POST" =>
+        if (formData != null && formData.size() > 0) {
+            builder.post(classOf[ClientResponse], formData)
+        } else if (body != null && body.isInstanceOf[File]) {
+          val file = body.asInstanceOf[File]
+          val form = new FormDataMultiPart()
+          form.field("filename", file.getName)
+          form.bodyPart(new FileDataBodyPart("file", file, MediaType.MULTIPART_FORM_DATA_TYPE))
+          builder.post(classOf[ClientResponse], form)
+        } else {
+          if (body == null) {
+            builder.post(classOf[ClientResponse], serialize(body))
+          } else {
+            builder.`type`(contentType).post(classOf[ClientResponse], serialize(body))
+          }
+        }
+      case "PUT" =>
+        if (formData != null) {
+            builder.post(classOf[ClientResponse], formData)
+        } else if (body == null) {
+            builder.put(classOf[ClientResponse], null)
+        } else {
+            builder.`type`(contentType).put(classOf[ClientResponse], serialize(body))
+        }
+      case "DELETE" => builder.delete(classOf[ClientResponse])
+      case "PATCH" =>
+        if(formData != null) {
+          builder.header("X-HTTP-Method-Override", "PATCH").post(classOf[ClientResponse], formData)
+        } else if(body == null) {
+          builder.header("X-HTTP-Method-Override", "PATCH").post(classOf[ClientResponse], null)
+        } else {
+          builder.header("X-HTTP-Method-Override", "PATCH").`type`(contentType).post(classOf[ClientResponse], serialize(body))
+        }
+      case _ => null
+    }
+    response.getStatusInfo.getStatusCode match {
+      case 204 => ""
+      case code: Int if Range(200, 299).contains(code) =>
+        if (response.hasEntity) {
+          response.getEntity(classOf[String])
+        } else {
+          ""
+        }
+      case _ =>
+        val entity = if (response.hasEntity) {
+          response.getEntity(classOf[String])
+        } else {
+          "no data"
+        }
+        throw new ApiException(response.getStatusInfo.getStatusCode, entity)
+    }
+  }
+
+  def getClient(host: String): Client = {
+    if (hostMap.contains(host)) {
+      hostMap(host)
+    } else {
+      val client = newClient(host)
+      // client.addFilter(new LoggingFilter())
+      hostMap += host -> client
+      client
+    }
+  }
+
+  def newClient(host: String): Client = if (asyncHttpClient) {
+    import com.ning.http.client.Realm
+    import org.sonatype.spice.jersey.client.ahc.AhcHttpClient
+    import org.sonatype.spice.jersey.client.ahc.config.DefaultAhcConfig
+
+    val config: DefaultAhcConfig = new DefaultAhcConfig()
+    if (!authScheme.isEmpty) {
+      val authSchemeEnum = Realm.AuthScheme.valueOf(authScheme)
+      config
+        .getAsyncHttpClientConfigBuilder
+        .setRealm(new Realm.RealmBuilder().setScheme(authSchemeEnum)
+        .setUsePreemptiveAuth(authPreemptive).build)
+    }
+    AhcHttpClient.create(config)
+  } else {
+     Client.create()
+  }
+}
+
+object ApiInvoker extends ApiInvoker(
+  mapper = ScalaJsonUtil.getJsonMapper,
+  httpHeaders = mutable.HashMap(),
+  hostMap = mutable.HashMap(),
+  asyncHttpClient = false,
+  authScheme = "",
+  authPreemptive = false
+)
+
+class ApiException(val code: Int, msg: String) extends RuntimeException(msg)

samples/client/petstore/dart-jaguar/flutter_proto_petstore/android/src/main/scala/org/openapitools/client/AsyncClient.scala

@@ -0,0 +1,20 @@
+package org.openapitools.client
+
+import org.openapitools.client.api._
+
+import com.wordnik.swagger.client._
+
+import java.io.Closeable
+
+class AsyncClient(config: SwaggerConfig) extends Closeable {
+  lazy val locator: ServiceLocator = config.locator
+  lazy val name: String = config.name
+
+  private[this] val client = transportClient
+
+  protected def transportClient: TransportClient = new RestClient(config)
+
+  def close() {
+    client.close()
+  }
+}