MakeAttribMapFromArgMapMethod.java 文件源码

@SuppressWarnings("unchecked")
@Override
public Object exec(List args) throws TemplateModelException {
    if (args == null || args.size() < 1 || args.size() > 2 ) {
        throw new TemplateModelException("Invalid number of arguments (expected: 1-2)");
    }

    ObjectWrapper objectWrapper = CommonFtlUtil.getCurrentEnvironment().getObjectWrapper();

    TemplateHashModelEx argsMap = (TemplateHashModelEx) args.get(0);

    // caller-supplied excludes
    TemplateModel excludesModel = (args.size() >=2) ? (TemplateModel) args.get(1) : null;
    Set<String> excludes;
    if (excludesModel != null) {
        excludes = LangFtlUtil.getAsStringSet(excludesModel);
    } else {
        excludes = new HashSet<>();
    }

    SimpleHash res = null;

    final Boolean useExclude = Boolean.FALSE;

    // put attribs from explicit attribs map first, if any
    TemplateModel attribsModel = argsMap.get("attribs");
    if (attribsModel != null && OfbizFtlObjectType.isObjectType(OfbizFtlObjectType.MAP, attribsModel)) {
        if (OfbizFtlObjectType.isObjectType(OfbizFtlObjectType.COMPLEXMAP, attribsModel)) {
            attribsModel = LangFtlUtil.toSimpleMap(attribsModel, false, objectWrapper);
        }
        res = LangFtlUtil.copyMapToSimple((TemplateHashModel) attribsModel, excludes, useExclude, objectWrapper);
    }

    // to get inline attribs, add list of all arg names to excludes as well as the lists themselves
    TemplateModel allArgNamesModel = argsMap.get("allArgNames");
    if (allArgNamesModel != null) {
        excludes.addAll(LangFtlUtil.getAsStringSet(allArgNamesModel));
    }
    excludes.add("allArgNames");
    excludes.add("localArgNames");

    // add the inline attribs over the attribs map (if any)
    if (res == null) {
        res = LangFtlUtil.copyMapToSimple(argsMap, excludes, useExclude, objectWrapper);
    } else {
        LangFtlUtil.putAll(res, argsMap, excludes, useExclude, objectWrapper);
    }

    return res;
}