获取字符串形式的xml报文的有效字段名称并转为map

╰半橙微兮° 2022-12-08 05:52 90阅读 0赞

public static org.dom4j.Document createDocument(String text) throws DocumentException {
            String encoding = getEncoding(text);
            InputSource source = new InputSource(new StringReader(text));
            source.setEncoding(encoding);
            Document result = saxReader().read(source);
            if (result.getXMLEncoding() == null) {
                result.setXMLEncoding(encoding);
            }
            return result;
    }
    /**
     * xml转map 只取值元素
     */
    private static Map<String, Object> xml2mapOnlyValue(Element element) {
        Map<String, Object> map = new LinkedHashMap<>();
    
        List<Element> list = element.elements();
        List<Attribute> listAttr0 = element.attributes(); // 当前节点的所有属性的list
        if (list.size() > 0) {
            xml2mapOnlyValue(map, list);
        } else {
            // 根节点的
            if (listAttr0.size() > 0) {
                for (Attribute attr : listAttr0) {
                    if ("name".equals(attr.getName())){
                        map.put(attr.getValue(), null);
                    }
                }
            }
        }
        return map;
    }
    
    private static void xml2mapOnlyValue(Map<String, Object> map, List<Element> list) {
        for (int i = 0; i < list.size(); i++) {
            Element iter = list.get(i);
            if (iter.elements().size() > 0) {
                Map<String, Object> m = xml2mapOnlyValue(iter);
                Map<String, Object> subMap = putToMap(map, iter, m);
                map.putAll(subMap);
            } else {
                xml2mapOnlyValue(iter, map);
            }
        }
    }
    
    private static void xml2mapOnlyValue(Element iter, Map<String, Object> map) {
        List<Attribute> listAttr = iter.attributes(); // 当前节点的所有属性的list
        boolean hasAttributes = false;
        if (listAttr.size() > 0) {
            hasAttributes = true;
        }
        if (hasAttributes) {
            for (Attribute attr : listAttr) {
                if ("name".equals(attr.getName())){
                    map.put(attr.getValue(), "value");
                }
            }
        }
    }

public static void main(String[] args) throws Exception{
            org.dom4j.Document document =createDocument(XMLSTR);
            Map<String, Object> map = new HashMap<>();
            Element root = document.getRootElement();
            xml2mapOnlyValue(map,root.elements());
            System.out.println(JsonUtils.obj2Json(map));
        }