xml字符串与DTO 转换 工具类
工具类,将xml字符串转为实体类&将实体类转为xml字符串
import lombok.extern.slf4j.Slf4j; import javax.xml.bind.JAXBContext; import javax.xml.bind.JAXBException; import javax.xml.bind.Marshaller; import javax.xml.bind.Unmarshaller; import java.io.StringReader; import java.io.StringWriter; @Slf4j public class toXmlUtils { public static String toXml(Object s, Class ObjClass){ String xmlString = ""; try { JAXBContext context = JAXBContext.newInstance(ObjClass); Marshaller marshaller = context.createMarshaller(); marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.FALSE); StringWriter sw = new StringWriter(); marshaller.marshal(s, sw); xmlString = sw.toString(); } catch (JAXBException e) { e.printStackTrace(); } return xmlString; } public static Object convertXmlToDTO(String xml, Class ObjClass) { try { JAXBContext jaxbContext = JAXBContext.newInstance(ObjClass); Unmarshaller unmarshaller = jaxbContext.createUnmarshaller(); return unmarshaller.unmarshal(new StringReader(xml)); } catch (JAXBException e) { log.error("XML解析失败: {}", e.getMessage()); throw new RuntimeException("XML解析失败", e); } } }
使用示例
String xml; try { xml = toXml(testDto, TestDTO.class); } catch (Exception e) { throw new RuntimeException("转换XML字符串出错", e); }
try { String xml = "..."; TestDTO testDto = (TestDTO) convertXmlToDTO(xml, TestDTO.class); } catch (Exception e) { log.error("解析xml报错", e); }
testDTO示例:
import lombok.Data; import javax.xml.bind.annotation.*; import java.util.List; @Data @XmlRootElement(name = "testDTO") @XmlAccessorType(XmlAccessType.FIELD) public class testDTO { @XmlElement(name = "xml_name") private String xmlName; @XmlElementWrapper(name = "xml_infos") @XmlElement(name = "xml_info") private List<XmlInfo> xmlInfos; @Data @XmlAccessorType(XmlAccessType.FIELD) public static class XmlInfo { @XmlElement(name = "info_name") private String infoName; @XmlElementWrapper(name = "data_infos") @XmlElement(name = "data_info") private List<DataInfo> dataInfos; } @Data @XmlAccessorType(XmlAccessType.FIELD) public static class DataInfo { @XmlElement(name = "data_name") private String dataName; } }
标签:
tool
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