Update models

Author: gcatanese

src/main/java/com/apiflows/model/OpenAPIWorkflow.java

@@ -5,7 +5,14 @@
 
 public class OpenAPIWorkflow {
 
+    public enum Format {
+        JSON, YAML
+    }
+
     private String location;
+    private String content;
+    private Format format;
+
     private String workflowsSpec;
     private Info info;
     private List<SourceDescription> sourceDescriptions = new ArrayList<>();
@@ -20,6 +27,30 @@ public void setLocation(String location) {
         this.location = location;
     }
 
+    public String getContent() {
+        return content;
+    }
+
+    public void setContent(String content) {
+        this.content = content;
+    }
+
+    public Format getFormat() {
+        return format;
+    }
+
+    public void setFormat(Format format) {
+        this.format = format;
+    }
+
+    public boolean isJson() {
+        return Format.JSON.equals(this.format);
+    }
+
+    public boolean isYaml() {
+        return Format.YAML.equals(this.format);
+    }
+
     public String getWorkflowsSpec() {
         return workflowsSpec;
     }

src/main/java/com/apiflows/model/Parameter.java

@@ -9,6 +9,7 @@ public class Parameter {
     private String value;
     private String target;
     private String style;
+    private String $ref = null;
 
     @JsonProperty("name")
     public String getName() {
@@ -53,4 +54,12 @@ public String getStyle() {
     public void setStyle(String style) {
         this.style = style;
     }
+
+    public String get$ref() {
+        return $ref;
+    }
+
+    public void set$ref(String $ref) {
+        this.$ref = $ref;
+    }
 }