字段是否必填（可加两行代码）

[yidiantongtong]

/**
* 递归生成ModelAttr
* 对$ref类型设置具体属性
*/

private ModelAttr getAndPutModelAttr(Map<String, Map<String, Object>> swaggerMap, Map<String, ModelAttr> resMap, String modeName) {
    ModelAttr modeAttr;
    if ((modeAttr = resMap.get("#/definitions/" + modeName)) == null) {
        modeAttr = new ModelAttr();
        resMap.put("#/definitions/" + modeName, modeAttr);
    } else if (modeAttr.isCompleted()) {
        return resMap.get("#/definitions/" + modeName);
    }
    Map<String, Object> modeProperties = (Map<String, Object>) swaggerMap.get(modeName).get("properties");

// 第1行
List required = Optional.ofNullable(((List)swaggerMap.get(modeName).get("required"))).orElse(new ArrayList<>());

    if (modeProperties == null) {
        return null;
    }
    Iterator<Entry<String, Object>> mIt = modeProperties.entrySet().iterator();
    List<ModelAttr> attrList = new ArrayList<>();
    //解析属性
    while (mIt.hasNext()) {
        Entry<String, Object> mEntry = mIt.next();
        Map<String, Object> attrInfoMap = (Map<String, Object>) mEntry.getValue();
        ModelAttr child = new ModelAttr();
        child.setName(mEntry.getKey());
        child.setType((String) attrInfoMap.get("type"));
        if (attrInfoMap.get("format") != null) {
            child.setType(child.getType() + "(" + attrInfoMap.get("format") + ")");
        }
        child.setType(StringUtils.defaultIfBlank(child.getType(), "object"));

// 第2行
child.setRequire(required.contains(child.getName()) ? true : false);

        Object ref = attrInfoMap.get("$ref");
        Object items = attrInfoMap.get("items");
        if (ref != null || (items != null && (ref = ((Map) items).get("$ref")) != null)) {
            String refName = ref.toString();
           //截取 #/definitions/ 后面的
            String clsName = refName.substring(14);
            modeAttr.setCompleted(true);
            ModelAttr refModel = getAndPutModelAttr(swaggerMap, resMap, clsName);
            if (refModel != null) {
                child.setProperties(refModel.getProperties());
            }
            child.setType(child.getType() + ":" + clsName);
        }
        child.setDescription((String) attrInfoMap.get("description"));
        attrList.add(child);
    }
    Object title = swaggerMap.get(modeName).get("title");
    Object description = swaggerMap.get(modeName).get("description");
    modeAttr.setClassName(title == null ? "" : title.toString());
    modeAttr.setDescription(description == null ? "" : description.toString());
    modeAttr.setProperties(attrList);
    return modeAttr;
}

[stan503]

思密达提交pr了嘛
required.contains 不友好，换成map？