xml转换成json

package it.huanyu;import com.alibaba.fastjson.JSONArray;import com.alibaba.fastjson.JSONObject;import org.apache.log4j.Logger;import org.dom4j.*;import java.io.File;import java.io.FileInputStream;import java.nio.ByteBuffer;import java.nio.channels.FileChannel;import java.util.List;public class XmlToJsonUtils {private static Logger logger = Logger.getLogger(XmlToJsonUtils.class);public static void main(String[] args) throws Exception {// String xmlStr= readFile("D:/ADA/et/Issue_20130506_back.xml");String xmlStr = "<auth_response status=\"OK\" xmlns=\"http://www.fnac.com/schemas/mp-dialog.xsd\">"+ "<token>00E9822E-E926-C274-53BF-A2784195A3CE</token>"+ "<validity>2018-03-23T10:45:21+01:00</validity>" + "<version>2.6.0</version>" + "</auth_response>";String xml = "<?xml version=\"1.0\" encoding=\"utf-8\"?>" + "<batch_status_response status=\"OK\">"+ "<batch_id>DC3F089A-8E98-4B98-9434-0DF0EE937DC8</batch_id>" + "<offer status=\"OK\">"+ "<product_fnac_id>2499187</product_fnac_id>"+ "<offer_fnac_id>E473361D-683B-2A26-E878-F43816B9E111</offer_fnac_id>"+ "<offer_seller_id>561C-385-9BE</offer_seller_id>" + "</offer>" + "<offer status=\"OK\">"+ "<product_fnac_id>9784515</product_fnac_id>"+ "<offer_fnac_id>4EF5F02D-8A87-9502-95F5-14881CDEEF8A</offer_fnac_id>"+ "<offer_seller_id>B067-F0D-75E</offer_seller_id>" + "</offer>" + "<offer status=\"OK\">"+ "<product_fnac_id>20005761</product_fnac_id>"+ "<offer_fnac_id>B42974D3-D5E0-DAF1-629C-60541775D944</offer_fnac_id>"+ "<offer_seller_id>B76A-CD5-153</offer_seller_id>" + "</offer>" + "</batch_status_response>";Document doc = DocumentHelper.parseText(xml);JSONObject json = new JSONObject();dom4j2Json(doc.getRootElement(), json);System.out.println("xml2Json:" + json.toJSONString());}public static String xmlToJson(String xml) {Document doc;try {doc = DocumentHelper.parseText(xml);JSONObject json = new JSONObject();dom4j2Json(doc.getRootElement(), json);System.out.println("xml2Json:" + json.toJSONString());logger.warn("xml2Json:" + json.toJSONString());return json.toJSONString();} catch (DocumentException e) {logger.warn("数据解析失败");}return null;}public static String readFile(String path) throws Exception {File file = new File(path);FileInputStream fis = new FileInputStream(file);FileChannel fc = fis.getChannel();ByteBuffer bb = ByteBuffer.allocate(new Long(file.length()).intValue());// fc向buffer中读入数据fc.read(bb);bb.flip();String str = new String(bb.array(), "UTF8");fc.close();fis.close();return str;}/** * xml转json * ?* @param xmlStr * @return * @throws DocumentException */public static JSONObject xml2Json(String xmlStr) throws DocumentException {Document doc = DocumentHelper.parseText(xmlStr);JSONObject json = new JSONObject();dom4j2Json(doc.getRootElement(), json);return json;}/** * xml转json * ?* @param element * @param json */public static void dom4j2Json(Element element, JSONObject json) {// 如果是属性for (Object o : element.attributes()) {Attribute attr = (Attribute) o;if (!isEmpty(attr.getValue())) {json.put("@" + attr.getName(), attr.getValue());}}List<Element> chdEl = element.elements();if (chdEl.isEmpty() && !isEmpty(element.getText())) {// 如果没有子元素,只有一个值json.put(element.getName(), element.getText());}for (Element e : chdEl) {// 有子元素if (!e.elements().isEmpty()) {// 子元素也有子元素JSONObject chdjson = new JSONObject();dom4j2Json(e, chdjson);Object o = json.get(e.getName());if (o != null) {JSONArray jsona = null;if (o instanceof JSONObject) {// 如果此元素已存在,则转为jsonArrayJSONObject jsono = (JSONObject) o;json.remove(e.getName());jsona = new JSONArray();jsona.add(jsono);jsona.add(chdjson);}if (o instanceof JSONArray) {jsona = (JSONArray) o;jsona.add(chdjson);}json.put(e.getName(), jsona);} else {if (!chdjson.isEmpty()) {json.put(e.getName(), chdjson);}}} else {// 子元素没有子元素for (Object o : element.attributes()) {Attribute attr = (Attribute) o;if (!isEmpty(attr.getValue())) {json.put("@" + attr.getName(), attr.getValue());}}if (!e.getText().isEmpty()) {json.put(e.getName(), e.getText());}}}}public static boolean isEmpty(String str) {if (str == null || str.trim().isEmpty() || "null".equals(str)) {return true;}return false;}}