add swagger.yaml to ruby sinatra

modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/SinatraServerCodegen.java

@@ -1,5 +1,7 @@
 package io.swagger.codegen.languages;
 
+import com.fasterxml.jackson.core.JsonProcessingException;
+
 import io.swagger.codegen.CliOption;
 import io.swagger.codegen.CodegenConfig;
 import io.swagger.codegen.CodegenType;
@@ -8,10 +10,13 @@ import io.swagger.codegen.SupportingFile;
 import io.swagger.models.properties.ArrayProperty;
 import io.swagger.models.properties.MapProperty;
 import io.swagger.models.properties.Property;
+import io.swagger.models.Swagger;
+import io.swagger.util.Yaml;
 
 import java.io.File;
 import java.util.Arrays;
 import java.util.HashSet;
+import java.util.Map;
 
 import org.apache.commons.lang.StringUtils;
 
@@ -73,6 +78,7 @@ public class SinatraServerCodegen extends DefaultCodegen implements CodegenConfi
         supportingFiles.add(new SupportingFile("config.ru", "", "config.ru"));
         supportingFiles.add(new SupportingFile("Gemfile", "", "Gemfile"));
         supportingFiles.add(new SupportingFile("README.md", "", "README.md"));
+        supportingFiles.add(new SupportingFile("swagger.mustache","","swagger.yaml"));
     }
 
     public CodegenType getTag() {
@@ -213,5 +219,17 @@ public class SinatraServerCodegen extends DefaultCodegen implements CodegenConfi
         return underscore(operationId);
     }
 
+    @Override
+    public Map<String, Object> postProcessSupportingFileData(Map<String, Object> objs) {
+        Swagger swagger = (Swagger)objs.get("swagger");
+        if(swagger != null) {
+            try {
+                objs.put("swagger-yaml", Yaml.mapper().writeValueAsString(swagger));
+            } catch (JsonProcessingException e) {
+                e.printStackTrace();
+            }
+        }
+        return super.postProcessSupportingFileData(objs);
+    }
 
 }

modules/swagger-codegen/src/main/resources/sinatra/Swaggering.rb

@@ -26,6 +26,13 @@ class Swaggering < Sinatra::Base
       cross_origin
       Swaggering.to_resource_listing
     }
+
+    # for swagger.yaml
+    get("/swagger.yaml") {
+      cross_origin
+      File.read("./swagger.yaml");
+    }
+
     @@configuration ||= Configuration.new
     yield(@@configuration) if block_given?
   end

modules/swagger-codegen/src/main/resources/sinatra/swagger.mustache

@@ -0,0 +1 @@
+{{{swagger-yaml}}}