fix to bug #3157

Author: bensimpson-ch

modules/openapi-generator/src/main/resources/Java/modelInnerEnum.mustache

@@ -56,7 +56,7 @@
 
       @Override
       public {{#datatypeWithEnum}}{{{.}}}{{/datatypeWithEnum}}{{^datatypeWithEnum}}{{classname}}{{/datatypeWithEnum}} read(final JsonReader jsonReader) throws IOException {
-        {{^isNumber}}{{{dataType}}}{{/isNumber}}{{#isNumber}}String{{/isNumber}} value = jsonReader.{{#isNumber}}nextString(){{/isNumber}}{{#isInteger}}nextInt(){{/isInteger}}{{^isNumber}}{{^isInteger}}next{{{dataType}}}(){{/isInteger}}{{/isNumber}};
+        {{^isNumber}}{{{dataType}}}{{/isNumber}}{{#isNumber}}String{{/isNumber}} value = {{#isFloat}}(float){{/isFloat}} jsonReader.{{#isNumber}}nextString(){{/isNumber}}{{#isInteger}}nextInt(){{/isInteger}}{{^isNumber}}{{^isInteger}}{{#isFloat}}nextDouble{{/isFloat}}{{^isFloat}}next{{{dataType}}}{{/isFloat}}(){{/isInteger}}{{/isNumber}};
         return {{#datatypeWithEnum}}{{{.}}}{{/datatypeWithEnum}}{{^datatypeWithEnum}}{{classname}}{{/datatypeWithEnum}}.fromValue({{#isNumber}}new BigDecimal({{/isNumber}}value{{#isNumber}}){{/isNumber}});
       }
     }

modules/openapi-generator/src/test/resources/2_0/petstore-with-fake-endpoints-models-for-testing.yaml

@@ -1783,6 +1783,7 @@ definitions:
     required:
       - string_item
       - number_item
+      - float_item
       - integer_item
       - bool_item
       - array_item
@@ -1793,6 +1794,10 @@ definitions:
       number_item:
         type: number
         example: 1.234
+      float_item:
+        type: number
+        example: 1.234
+        format: float
       integer_item:
         type: integer
         example: -2