io.swagger.codegen.languages.AsyncScalaClientCodegen Maven / Gradle / Ivy

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package io.swagger.codegen.languages;

import io.swagger.codegen.CliOption;
import io.swagger.codegen.CodegenConfig;
import io.swagger.codegen.CodegenConstants;
import io.swagger.codegen.CodegenType;
import io.swagger.codegen.DefaultCodegen;
import io.swagger.codegen.SupportingFile;
import io.swagger.models.properties.ArrayProperty;
import io.swagger.models.properties.BooleanProperty;
import io.swagger.models.properties.DateProperty;
import io.swagger.models.properties.DateTimeProperty;
import io.swagger.models.properties.DoubleProperty;
import io.swagger.models.properties.FloatProperty;
import io.swagger.models.properties.IntegerProperty;
import io.swagger.models.properties.LongProperty;
import io.swagger.models.properties.MapProperty;
import io.swagger.models.properties.Property;
import io.swagger.models.properties.StringProperty;

import java.io.File;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;

public class AsyncScalaClientCodegen extends DefaultCodegen implements CodegenConfig {
    protected String invokerPackage = "io.swagger.client";
    protected String groupId = "io.swagger";
    protected String artifactId = "swagger-async-scala-client";
    protected String artifactVersion = "1.0.0";
    protected String sourceFolder = "src/main/scala";
    protected String clientName = "SwaggerClient";
    protected String authScheme = "";
    protected boolean authPreemptive;
    protected boolean asyncHttpClient = !authScheme.isEmpty();

    public AsyncScalaClientCodegen() {
        super();
        outputFolder = "generated-code/async-scala";
        modelTemplateFiles.put("model.mustache", ".scala");
        apiTemplateFiles.put("api.mustache", ".scala");
        embeddedTemplateDir = templateDir = "asyncscala";
        apiPackage = "io.swagger.client.api";
        modelPackage = "io.swagger.client.model";

        setReservedWordsLowerCase(
                Arrays.asList(
                    // local variable names used in API methods (endpoints)
                    "config", "path", "contentTypes", "contentType", "queryParams", "headerParams",
                    "formParams", "postBody", "resFuture", "client", "reader",

                    // scala reserved words
                    "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(CodegenConstants.INVOKER_PACKAGE, invokerPackage);
        additionalProperties.put(CodegenConstants.GROUP_ID, groupId);
        additionalProperties.put(CodegenConstants.ARTIFACT_ID, artifactId);
        additionalProperties.put(CodegenConstants.ARTIFACT_VERSION, 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();
        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(
                Arrays.asList(
                        "String",
                        "boolean",
                        "Boolean",
                        "Double",
                        "Int",
                        "Long",
                        "Float",
                        "Object",
                        "List",
                        "Map")
        );
        instantiationTypes.put("array", "ListBuffer");
        instantiationTypes.put("map", "HashMap");

        cliOptions.add(new CliOption(CodegenConstants.MODEL_PACKAGE, CodegenConstants.MODEL_PACKAGE_DESC));
        cliOptions.add(new CliOption(CodegenConstants.API_PACKAGE, CodegenConstants.API_PACKAGE_DESC));
    }

    @Override
    public CodegenType getTag() {
        return CodegenType.CLIENT;
    }

    @Override
    public String getName() {
        return "async-scala";
    }

    @Override
    public String getHelp() {
        return "Generates an Asynchronous Scala client library.";
    }

    @Override
    public String escapeReservedWord(String name) {
        return "_" + name;
    }

    @Override
    public String apiFileFolder() {
        return outputFolder + "/" + sourceFolder + "/" + apiPackage().replace('.', File.separatorChar);
    }

    @Override
    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;
        }
    }

    @Override
    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";
        }
    }
}