海关报文解析转换工具包

package com.example.xml.hgMessage; import lombok.extern.slf4j.Slf4j; import org.springframework.util.StreamUtils; import org.springframework.util.StringUtils; import javax.xml.bind.JAXBContext; import javax.xml.bind.JAXBException; import javax.xml.bind.Marshaller; import javax.xml.bind.Unmarshaller; import java.io.File; import java.io.IOException; import java.io.StringReader; import java.io.StringWriter; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; @Slf4j public class XmlUtils { /** * 对象转换为Xml格式数据 * * @param obj 对象 * @param coding 编码 * - UTF-8：适用于多语言环境，支持Unicode字符集。 * - UTF-16：同样适用于多语言环境，支持Unicode字符集，但相对于UTF-8会占用更多的存储空间。 * - ISO-8859-1：适用于拉丁字母语言，如英语、法语、德语等。 * - GB2312：适用于简体中文。 * @return Xml格式 */ public static String convertToXml(Object obj, String coding) { StringBuilder xmlBuilder = new StringBuilder("<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n"); xmlBuilder.append(convertToXmlData(obj, StringUtils.isEmpty(coding) ? coding : "UTF-8")); return xmlBuilder.toString(); } public static String convertToXmlData(Object obj, String encoding) { try { JAXBContext context = JAXBContext.newInstance(obj.getClass()); Marshaller marshaller = context.createMarshaller(); marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE); marshaller.setProperty(Marshaller.JAXB_ENCODING, encoding); marshaller.setProperty(Marshaller.JAXB_FRAGMENT, Boolean.TRUE); StringWriter writer = new StringWriter(); marshaller.marshal(obj, writer); return writer.toString(); } catch (Exception e) { log.error("转换XML失败:" + e.getMessage()); return null; } } /** * 字符串转换为Xml文件进行输出 * * @param str 字符串 * @param path Xml文件输出地址 * @return */ public static void convertToXmlFile(String str, String path) { Path filePath = Paths.get(path); try { Files.createDirectories(filePath.getParent()); Files.write(filePath, str.getBytes()); } catch (IOException e) { e.printStackTrace(); } } /** * Xml字符串转换成任意对象 * * @param clazz 结果对象存储结构 * @param xmlStr Xml字符串 * @return 转换后的结果接收对象 */ @SuppressWarnings("unchecked") public static Object convertXmlStrToObject(Class clazz, String xmlStr) { //String resultXml = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n"; Object xmlObject = null; try { JAXBContext context = JAXBContext.newInstance(clazz); // 进行将Xml转成对象的核心接口 Unmarshaller unmarshaller = context.createUnmarshaller(); //StringReader sr = new StringReader(resultXml + xmlStr); StringReader sr = new StringReader(xmlStr); xmlObject = unmarshaller.unmarshal(sr); } catch (JAXBException e) { e.printStackTrace(); } return xmlObject; } /** * 读取file类型的xml文件转换成对象 * * @param clazz 结果对象存储结构 * @param xmlPath XmlFile文件地址 * @return 转换后的结果接收对象 */ @SuppressWarnings("unchecked") public static Object convertXmlFileToObject(Class clazz, String xmlPath) { Object xmlObject = null; try { JAXBContext context = JAXBContext.newInstance(clazz); Unmarshaller unmarshaller = context.createUnmarshaller(); File xmlFile = new File(xmlPath); xmlObject = unmarshaller.unmarshal(xmlFile); } catch (JAXBException e) { e.printStackTrace(); } return xmlObject; } /** * 读取指定路径的xml文件转换为Java对象 * * @param xmlPath Xml文件地址 * @param load 结果对象存储结构 * @return 转换后的结果接收对象 */ public static Object xmlToBean(String xmlPath, Class<?> load) { JAXBContext context = null; Object object = null; try { context = JAXBContext.newInstance(load); Unmarshaller unmarshaller = context.createUnmarshaller(); object = unmarshaller.unmarshal(new File(xmlPath)); } catch (JAXBException e) { e.printStackTrace(); } return object; } }