JSON与XML之间的转换

public class JsonTest {
    private final Logger cLogger = Logger.getLogger(getClass());


    /**
     * XML转JSON
     * 需import org.json.JSONObject; pom加依赖
     *
     */
    @Test
    public void xmlToJson() {


        String comId="123456";
        JSONObject xmlJSONObj = org.json.XML.toJSONObject("<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n" +
                "\t<PackageList>\n" +
                "\t\t<Package>\n" +
                "\t\t\t<Header>\n" +
                "\t\t\t\t<Version>3.0.0</Version>\n" +
                "\t\t\t\t<RequestType>03</RequestType>\n" +
                "\t\t\t\t<UUID>14336376457645768578</UUID>\n" +
                "\t\t\t\t<ComId>123456</ComId>\n" +
                "\t\t\t\t<SendTime>2014-04-22 18:00:00</SendTime>\n" +
                "\t\t\t\t<FromSerial>1234567890</FromSerial>\n" +
                "\t\t\t\t<ProductCode>2222222</ProductCode>\n" +
                "\t\t\t</Header>\n" +
                "\t\t\t<Callback>\n" +
                "\t\t\t\t<OrderId>2222222</OrderId>\n" +
                "\t\t\t\t<PolicyNo>2222222666</PolicyNo>\n" +
                "\t\t\t\t<RefundNo>2222222666</RefundNo>\n" +
                "\t\t\t\t<RespondPrice>100</RespondPrice>\n" +
                "\t\t\t\t<RealRefundPrice>100</RealRefundPrice>\n" +
                "\t\t\t\t<HandingFee>10</HandingFee>\n" +
                "\t\t\t\t<RefundTime>2014-04-22 18:00:00</RefundTime>\n" +
                "\t\t\t\t<AuditTime>2014-04-22 18:00:00</AuditTime>\n" +
                "\t\t\t\t<RefundChannel>保险公司</RefundChannel>\n" +
                "\t\t\t\t<RefundStatus>1</RefundStatus>\n" +
                "\t\t\t\t<RefundReslut>通过</RefundReslut>\n" +
                "\t\t\t\t<BankCardNo>32445646458757766775</BankCardNo>\n" +
                "\t\t\t\t<RefundUser>测试</RefundUser>\n" +
                "\t\t\t\t<RefundTradeNo>12355464567768686786</RefundTradeNo>\n" +
                "\t\t\t\t<RefundPremium>11</RefundPremium>\n" +
                "\t\t\t\t<RefundType>1</RefundType>\n" +
                "\t\t\t</Callback>\n" +
                "\t\t</Package>\n" +
                "\t</PackageList>");
        cLogger.info("XML转换后的字符串JSON为："+xmlJSONObj.toString());
        cLogger.info("XML转换后的格式化JSON为:"+formatJson(xmlJSONObj.toString()));



    }


    /**
     * JSON转XML
     * 需import org.json.JSONObject;
     * <dependency>
     *      <groupId>org.json</groupId>
     *      <artifactId>json</artifactId>
     *      <version>20180813</version>
     * </dependency>
     *
     *
     *
     */
    @Test
    public void jsonToXml() {
        String json="{\n" +
                "  \"PackageList\": {\n" +
                "    \"Package\": {\n" +
                "      \"Header\": {\n" +
                "        \"Version\": \"3.0.0\",\n" +
                "        \"RequestType\": \"03\",\n" +
                "        \"UUID\": \"14336376457645768578\",\n" +
                "        \"ComId\": \"123456\",\n" +
                "        \"SendTime\": \"2014-04-22 18:00:00\",\n" +
                "        \"FromSerial\": \"1234567890\",\n" +
                "        \"ProductCode\": \"2222222\"\n" +
                "      },\n" +
                "      \"Callback\": {\n" +
                "        \"OrderId\": \"2222222\",\n" +
                "        \"PolicyNo\": \"2222222666\",\n" +
                "        \"RefundNo\": \"2222222666\",\n" +
                "        \"RespondPrice\": \"100\",\n" +
                "        \"RealRefundPrice\": \"100\",\n" +
                "        \"HandingFee\": \"10\",\n" +
                "        \"RefundTime\": \"2014-04-22 18:00:00\",\n" +
                "        \"AuditTime\": \"2014-04-22 18:00:00\",\n" +
                "        \"RefundChannel\": \"保险公司\",\n" +
                "        \"RefundStatus\": \"1\",\n" +
                "        \"RefundReslut\": \"通过\",\n" +
                "        \"BankCardNo\": \"32445646458757766775\",\n" +
                "        \"RefundUser\": \"测试\",\n" +
                "        \"RefundTradeNo\": \"12355464567768686786\",\n" +
                "        \"RefundPremium\": \"11\",\n" +
                "        \"RefundType\": \"1\"\n" +
                "      }\n" +
                "    }\n" +
                "  }\n" +
                "}";
        JSONObject jsonObj = new JSONObject(json);
        cLogger.info("JSON转换后的字符串XML为:"+XML.toString(jsonObj));
        cLogger.info("JSON转换后的格式化XML为:"+forMateOutData(XML.toString(jsonObj)));

    }


    /**
     * 获取JSON数据
     * 需import com.alibaba.fastjson.JSONObject;
     */
    @Test
    public void getJsonText(){
        String params="{\n" +
                "  \"PackageList\": {\n" +
                "    \"Package\": {\n" +
                "      \"Header\": {\n" +
                "        \"Version\": \"3.0.0\",\n" +
                "        \"RequestType\": \"03\",\n" +
                "        \"UUID\": \"14336376457645768578\",\n" +
                "        \"ComId\": \"123456\",\n" +
                "        \"SendTime\": \"2014-04-22 18:00:00\",\n" +
                "        \"FromSerial\": \"1234567890\",\n" +
                "        \"ProductCode\": \"2222222\"\n" +
                "      },\n" +
                "      \"Callback\": {\n" +
                "        \"OrderId\": \"2222222\",\n" +
                "        \"PolicyNo\": \"2222222666\",\n" +
                "        \"RefundNo\": \"2222222666\",\n" +
                "        \"RespondPrice\": \"100\",\n" +
                "        \"RealRefundPrice\": \"100\",\n" +
                "        \"HandingFee\": \"10\",\n" +
                "        \"RefundTime\": \"2014-04-22 18:00:00\",\n" +
                "        \"AuditTime\": \"2014-04-22 18:00:00\",\n" +
                "        \"RefundChannel\": \"保险公司\",\n" +
                "        \"RefundStatus\": \"1\",\n" +
                "        \"RefundReslut\": \"通过\",\n" +
                "        \"BankCardNo\": \"32445646458757766775\",\n" +
                "        \"RefundUser\": \"测试\",\n" +
                "        \"RefundTradeNo\": \"12355464567768686786\",\n" +
                "        \"RefundPremium\": \"11\",\n" +
                "        \"RefundType\": \"1\"\n" +
                "      }\n" +
                "    }\n" +
                "  }\n" +
                "}";
        com.alibaba.fastjson.JSONObject jsonObject =com.alibaba.fastjson.JSONObject.parseObject(params);
        com.alibaba.fastjson.JSONObject aPackageList=com.alibaba.fastjson.JSONObject.parseObject(jsonObject.get("PackageList").toString());
        com.alibaba.fastjson.JSONObject aPackage=com.alibaba.fastjson.JSONObject.parseObject(aPackageList.get("Package").toString());
        com.alibaba.fastjson.JSONObject aHeader=com.alibaba.fastjson.JSONObject.parseObject(aPackage.get("Header").toString());
        com.alibaba.fastjson.JSONObject aCallback=com.alibaba.fastjson.JSONObject.parseObject(aPackage.get("Callback").toString());
        cLogger.info(aHeader.get("Version").toString());
        cLogger.info(aCallback.get("RefundChannel").toString());
        cLogger.info(aCallback.get("RefundTime").toString());
    }


    /**
     * 拼接JSON字符串
     */
    @Test
    public void appendStringJson(){
        StringBuilder sb = new StringBuilder();
        String conId="123456";
        sb.append("{");
        sb.append("\"PackageList\":").append("{");
        sb.append("\"Package\":").append("{");
        sb.append("\"Header\":").append("{");
        sb.append("\"ComId\":").append("\""+conId+"\"");
        sb.append(",\"FromSerial\":").append("\"1234567890\"");
        sb.append(",\"ProductCode\":").append("\"2222222\"");
        sb.append(",\"SendTime\":").append("\"2014-04-22 18:00:00\"");
        sb.append(",\"UUID\":").append("\"14336376457645768578\"");
        sb.append(",\"Version\":").append("\"3.0.0\"");
        sb.append(",\"RequestType\":").append("\"03\"");
        sb.append("}");
        sb.append(",\"Callback\":").append("{");
        sb.append("\"RefundTradeNo\":").append("\"12355464567768686786\"");
        sb.append(",\"RefundTime\":").append("\"2014-04-22 18:00:00\"");
        sb.append(",\"RefundStatus\":").append("\"1\"");
        sb.append(",\"OrderId\":").append("\"2222222\"");
        sb.append(",\"PolicyNo\":").append("\"2222222666\"");
        sb.append(",\"RefundReslut\":").append("\"通过\"");
        sb.append(",\"HandingFee\":").append("\"10\"");
        sb.append(",\"RefundUser\":").append("\"测试\"");
        sb.append(",\"BankCardNo\":").append("\"32445646458757766775\"");
        sb.append(",\"RefundNo\":").append("\"2222222666\"");
        sb.append(",\"AuditTime\":").append("\"2014-04-22 18:00:00\"");
        sb.append(",\"RefundChannel\":").append("\"保险公司\"");
        sb.append(",\"RefundPremium\":").append("\"11\"");
        sb.append(",\"RealRefundPrice\":").append("\"100\"");
        sb.append(",\"RespondPrice\":").append("\"100\"");
        sb.append(",\"RefundType\":").append("\"1\"");
        sb.append("}");
        sb.append("}");
        sb.append("}");
        sb.append("}");
        cLogger.info(sb.toString());
        cLogger.info(formatJson(sb.toString()));


    }



    /**
     * 格式化输出JSON报文
     *
     * @param jsonStr
     * @return
     * @author lcb
     */
    public static String formatJson(String jsonStr) {
        if (null == jsonStr || "".equals(jsonStr))
            return "";
        StringBuilder sb = new StringBuilder();
        char last = '\0';
        char current = '\0';
        int indent = 0;
        boolean isInQuotationMarks = false;
        for (int i = 0; i < jsonStr.length(); i++) {
            last = current;
            current = jsonStr.charAt(i);
            switch (current) {
                case '"':
                    if (last != '\\'){
                        isInQuotationMarks = !isInQuotationMarks;
                    }
                    sb.append(current);
                    break;
                case '{':
                case '[':
                    sb.append(current);
                    if (!isInQuotationMarks) {
                        sb.append('\n');
                        indent++;
                        addIndentBlank(sb, indent);
                    }
                    break;
                case '}':
                case ']':
                    if (!isInQuotationMarks) {
                        sb.append('\n');
                        indent--;
                        addIndentBlank(sb, indent);
                    }
                    sb.append(current);
                    break;
                case ',':
                    sb.append(current);
                    if (last != '\\' && !isInQuotationMarks) {
                        sb.append('\n');
                        addIndentBlank(sb, indent);
                    }
                    break;
                default:
                    sb.append(current);
            }
        }

        return sb.toString();
    }

    /**
     * 添加space
     *
     * @param sb
     * @param indent
     * @author lcb
     */
    private static void addIndentBlank(StringBuilder sb, int indent) {
        for (int i = 0; i < indent; i++) {
            sb.append('\t');
        }
    }


    /**
     * 格式话输出XML报文.
     *
     * @param outXml
     * @return
     */
    private String forMateOutData(String outXml) {
        Pattern p = Pattern.compile("\r|\n");
        Matcher m = p.matcher(outXml);
        outXml = m.replaceAll("");
        Format format = Format.getPrettyFormat();
        format.setEncoding("UTF-8");
        XMLOutputter outputter = new XMLOutputter();
        outputter.setFormat(format);
        return outputter.outputString(JdomUtil.build(outXml.trim()));
    }
}