added async scala generator #440

modules/swagger-codegen/src/main/java/com/wordnik/swagger/codegen/languages/AsyncScalaClientCodegen.java

@@ -0,0 +1,194 @@
+package com.wordnik.swagger.codegen.languages;
+
+import com.wordnik.swagger.codegen.*;
+import com.wordnik.swagger.models.properties.*;
+
+import java.util.*;
+import java.io.File;
+
+public class AsyncScalaClientCodegen extends DefaultCodegen implements CodegenConfig {
+  protected String invokerPackage = "io.swagger.client";
+  protected String groupId = "com.wordnik";
+  protected String artifactId = "swagger-client";
+  protected String artifactVersion = "1.0.0";
+  protected String sourceFolder = "src/main/scala";
+  protected String clientName = "SwaggerClient";
+  protected String authScheme = "";
+  protected boolean authPreemptive = false;
+  protected boolean asyncHttpClient = !authScheme.isEmpty();
+
+  public CodegenType getTag() {
+    return CodegenType.CLIENT;
+  }
+  
+  public String getName() {
+    return "async-scala";
+  }
+
+  public String getHelp() {
+    return "Generates an Asynchronous Scala client library.";
+  }
+
+  public AsyncScalaClientCodegen() {
+    super();
+    outputFolder = "generated-code/async-scala";
+    modelTemplateFiles.put("model.mustache", ".scala");
+    apiTemplateFiles.put("api.mustache", ".scala");
+    templateDir = "asyncscala";
+    apiPackage = "io.swagger.client.api";
+    modelPackage = "io.swagger.client.model";
+
+    reservedWords = new HashSet<String> (
+      Arrays.asList(
+        "abstract", "case", "catch", "class", "def", "do", "else", "extends",
+        "false", "final", "finally", "for", "forSome", "if", "implicit", 
+        "import", "lazy", "match", "new", "null", "object", "override", "package", 
+        "private", "protected", "return", "sealed", "super", "this", "throw", 
+        "trait", "try", "true", "type", "val", "var", "while", "with", "yield")
+    );
+
+    additionalProperties.put("invokerPackage", invokerPackage);
+    additionalProperties.put("groupId", groupId);
+    additionalProperties.put("artifactId", artifactId);
+    additionalProperties.put("artifactVersion", artifactVersion);
+    additionalProperties.put("asyncHttpClient", asyncHttpClient);
+    additionalProperties.put("authScheme", authScheme);
+    additionalProperties.put("authPreemptive", authPreemptive);
+    additionalProperties.put("clientName", clientName);
+
+    supportingFiles.add(new SupportingFile("sbt.mustache", "", "build.sbt"));
+    supportingFiles.add(new SupportingFile("client.mustache", 
+      (sourceFolder + File.separator + invokerPackage).replace(".", java.io.File.separator), clientName + ".scala"));
+
+    importMapping.remove("List");
+    importMapping.remove("Set");
+    importMapping.remove("Map");
+
+    importMapping.put("DateTime", "org.joda.time.DateTime");
+    importMapping.put("ListBuffer", "scala.collections.mutable.ListBuffer");
+
+    typeMapping = new HashMap<String, String>();
+    typeMapping.put("enum", "NSString");
+    typeMapping.put("array", "List");
+    typeMapping.put("set", "Set");
+    typeMapping.put("boolean", "Boolean");
+    typeMapping.put("string", "String");
+    typeMapping.put("int", "Int");
+    typeMapping.put("long", "Long");
+    typeMapping.put("float", "Float");
+    typeMapping.put("byte", "Byte");
+    typeMapping.put("short", "Short");
+    typeMapping.put("char", "Char");
+    typeMapping.put("long", "Long");
+    typeMapping.put("double", "Double");
+    typeMapping.put("object", "Any");
+    typeMapping.put("file", "File");
+
+    languageSpecificPrimitives = new HashSet<String>(
+      Arrays.asList(
+        "String",
+        "boolean",
+        "Boolean",
+        "Double",
+        "Int",
+        "Long",
+        "Float",
+        "Object",
+        "List",
+        "Map")
+      );
+    instantiationTypes.put("array", "ListBuffer");
+    instantiationTypes.put("map", "HashMap");
+  }
+
+  @Override
+  public String escapeReservedWord(String name) {
+    return "_" + name;
+  }
+
+  @Override
+  public String apiFileFolder() {
+    return outputFolder + "/" + sourceFolder + "/" + apiPackage().replace('.', File.separatorChar);
+  }
+
+  public String modelFileFolder() {
+    return outputFolder + "/" + sourceFolder + "/" + modelPackage().replace('.', File.separatorChar);
+  }
+
+  @Override
+  public String getTypeDeclaration(Property p) {
+    if(p instanceof ArrayProperty) {
+      ArrayProperty ap = (ArrayProperty) p;
+      Property inner = ap.getItems();
+      return getSwaggerType(p) + "[" + getTypeDeclaration(inner) + "]";
+    }
+    else if (p instanceof MapProperty) {
+      MapProperty mp = (MapProperty) p;
+      Property inner = mp.getAdditionalProperties();
+
+      return getSwaggerType(p) + "[String, " + getTypeDeclaration(inner) + "]";
+    }
+    return super.getTypeDeclaration(p);
+  }
+
+  @Override
+  public String getSwaggerType(Property p) {
+    String swaggerType = super.getSwaggerType(p);
+    String type = null;
+    if(typeMapping.containsKey(swaggerType)) {
+      type = typeMapping.get(swaggerType);
+      if(languageSpecificPrimitives.contains(type))
+        return toModelName(type);
+    }
+    else
+      type = swaggerType;
+    return toModelName(type);
+  }
+
+  @Override
+  public String toInstantiationType(Property p) {
+    if (p instanceof MapProperty) {
+      MapProperty ap = (MapProperty) p;
+      String inner = getSwaggerType(ap.getAdditionalProperties());
+      return instantiationTypes.get("map") + "[String, " + inner + "]";
+    }
+    else if (p instanceof ArrayProperty) {
+      ArrayProperty ap = (ArrayProperty) p;
+      String inner = getSwaggerType(ap.getItems());
+      return instantiationTypes.get("array") + "[" + inner + "]";
+    }
+    else
+      return null;
+  }
+
+  public String toDefaultValue(Property p) {
+    if(p instanceof StringProperty)
+      return "null";
+    else if (p instanceof BooleanProperty)
+      return "null";
+    else if(p instanceof DateProperty)
+      return "null";
+    else if(p instanceof DateTimeProperty)
+      return "null";
+    else if (p instanceof DoubleProperty)
+      return "null";
+    else if (p instanceof FloatProperty)
+      return "null";
+    else if (p instanceof IntegerProperty)
+      return "null";
+    else if (p instanceof LongProperty)
+      return "null";
+    else if (p instanceof MapProperty) {
+      MapProperty ap = (MapProperty) p;
+      String inner = getSwaggerType(ap.getAdditionalProperties());
+      return "new HashMap[String, " + inner + "]() ";
+    }
+    else if (p instanceof ArrayProperty) {
+      ArrayProperty ap = (ArrayProperty) p;
+      String inner = getSwaggerType(ap.getItems());
+      return "new ListBuffer[" + inner + "]() ";
+    }
+    else
+      return "null";
+  }
+}