Merge pull request #1619 from swagger-api/empty-strings

Empty strings

Author: gracekarina

modules/swagger-parser-core/src/main/java/io/swagger/v3/parser/core/models/ParseOptions.java

@@ -8,6 +8,7 @@ public class ParseOptions {
     private boolean flattenComposedSchemas;
     private boolean camelCaseFlattenNaming;
     private boolean skipMatches;
+    private boolean allowEmptyStrings = true;
 
     public boolean isResolve() {
         return resolve;
@@ -59,4 +60,12 @@ public boolean isCamelCaseFlattenNaming() {
     public void setCamelCaseFlattenNaming(boolean camelCaseFlattenNaming) {
         this.camelCaseFlattenNaming = camelCaseFlattenNaming;
     }
+
+    public boolean isAllowEmptyString() {
+        return allowEmptyStrings;
+    }
+
+    public void setAllowEmptyString(boolean allowEmptyStrings) {
+        this.allowEmptyStrings = allowEmptyStrings;
+    }
 }

modules/swagger-parser-v3/src/main/java/io/swagger/v3/parser/OpenAPIV3Parser.java

@@ -131,7 +131,10 @@ public SwaggerParseResult readWithInfo(String path, JsonNode node) {
     }
 
     public SwaggerParseResult parseJsonNode(String path, JsonNode node) {
-        return new OpenAPIDeserializer().deserialize(node, path);
+        return new OpenAPIDeserializer().deserialize(node, path,new ParseOptions());
+    }
+    public SwaggerParseResult parseJsonNode(String path, JsonNode node, ParseOptions options) {
+        return new OpenAPIDeserializer().deserialize(node, path, options);
     }
 
     public SwaggerParseResult readContents(String yaml) {
@@ -149,7 +152,12 @@ private SwaggerParseResult readContents(String swaggerAsString, List<Authorizati
         try {
             final ObjectMapper mapper = getRightMapper(swaggerAsString);
             final JsonNode rootNode = mapper.readTree(swaggerAsString);
-            final SwaggerParseResult result = parseJsonNode(location, rootNode);
+            final SwaggerParseResult result;
+            if (options != null) {
+                result = parseJsonNode(location, rootNode, options);
+            }else {
+                result = parseJsonNode(location, rootNode);
+            }
             if (result.getOpenAPI() != null) {
                 return resolve(result, auth, options, location);
             }