XML与javabean互转
第三方接口返回一个XML字符串
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<ESBEntry>
<AccessControl>
<UserName>YBF</UserName>
<Password>123</Password>
<SysFlag>1</SysFlag>
<Fid>BS10001</Fid>
</AccessControl>
<MessageHeader>
<Fid>BS10001</Fid>
<SourceSysCode>S55</SourceSysCode>
<TargetSysCode>S02</TargetSysCode>
<MsgDate>2021-05-27 04:58:24</MsgDate>
</MessageHeader>
<RequestOption>
<onceFlag></onceFlag>
<startNum></startNum>
<endNum></endNum>
</RequestOption>
<MsgInfo>
<Msg></Msg>
<query item="INVALID_FLAG" compy=" = " value="'0'" splice=" and "/>
</MsgInfo>
</ESBEntry>
在 https://www.freeformatter.com/xsd-generator.html#ad-output页面中将xml转换为xsd文件
image-20210811172626016.png
image-20210811172645044.png
将生成的xsd文件保存到本地
使用xjc命令将xsd文件转换成 javabean
PS C:\Users\Administrator\Desktop> xjc 123.xsd
正在解析模式...
正在编译模式...
generated\ESBEntry.java
generated\ObjectFactory.java
PS C:\Users\Administrator\Desktop>
自动生成的javabean
@XmlAccessorType(XmlAccessType.FIELD)
@XmlType(name = "", propOrder = {
"accessControl",
"messageHeader",
"requestOption",
"msgInfo"
})
@XmlRootElement(name = "ESBEntry")
@Data
@AllArgsConstructor //生成全参数构造函数
@NoArgsConstructor//生成无参构造函数
@Builder
public class ESBEntry {
@XmlElement(name = "AccessControl", required = true)
protected AccessControl accessControl;
@XmlElement(name = "MessageHeader", required = true)
protected MessageHeader messageHeader;
@XmlElement(name = "RequestOption", required = true)
protected RequestOption requestOption;
@XmlElement(name = "MsgInfo", required = true)
protected MsgInfo msgInfo;
@XmlAccessorType(XmlAccessType.FIELD)
@XmlType(name = "", propOrder = {
"userName",
"password",
"sysFlag",
"fid"
})
@Data
@AllArgsConstructor //生成全参数构造函数
@NoArgsConstructor//生成无参构造函数
@Builder
public static class AccessControl {
@XmlElement(name = "UserName", required = true)
protected String userName;
@XmlElement(name = "Password")
protected String password;
@XmlElement(name = "SysFlag")
protected String sysFlag;
@XmlElement(name = "Fid", required = true)
protected String fid;
}
@XmlAccessorType(XmlAccessType.FIELD)
@XmlType(name = "", propOrder = {
"fid",
"sourceSysCode",
"targetSysCode",
"msgDate"
})
@Data
@AllArgsConstructor //生成全参数构造函数
@NoArgsConstructor//生成无参构造函数
@Builder
public static class MessageHeader {
@XmlElement(name = "Fid", required = true)
protected String fid;
@XmlElement(name = "SourceSysCode", required = true)
protected String sourceSysCode;
@XmlElement(name = "TargetSysCode", required = true)
protected String targetSysCode;
@XmlElement(name = "MsgDate", required = true)
protected String msgDate;
}
@XmlAccessorType(XmlAccessType.FIELD)
@XmlType(name = "", propOrder = {
"onceFlag",
"startNum",
"endNum"
})
@Data
@AllArgsConstructor //生成全参数构造函数
@NoArgsConstructor//生成无参构造函数
@Builder
public static class RequestOption {
@XmlElement(required = true)
protected String onceFlag;
@XmlElement(required = true)
protected String startNum;
@XmlElement(required = true)
protected String endNum;
}
@XmlAccessorType(XmlAccessType.FIELD)
@XmlType(name = "", propOrder = {
"msg",
"query"
})
@Data
@AllArgsConstructor //生成全参数构造函数
@NoArgsConstructor//生成无参构造函数
@Builder
public static class MsgInfo {
@XmlElement(name = "Msg", required = true)
protected String msg;
protected List<Query> query;
public List<Query> getQuery() {
if (query == null) {
query = new ArrayList<Query>();
}
return this.query;
}
@XmlAccessorType(XmlAccessType.FIELD)
@Data
@AllArgsConstructor //生成全参数构造函数
@NoArgsConstructor//生成无参构造函数
@Builder
public static class Query {
@XmlAttribute(name = "item")
protected String item;
@XmlAttribute(name = "compy")
protected String compy;
@XmlAttribute(name = "value")
protected String value;
@XmlAttribute(name = "splice")
protected String splice;
}
}
}
实体类生成工厂类
@XmlRegistry
public class ObjectFactory {
/**
* Create a new ObjectFactory that can be used to create new instances of schema derived classes for package: generated
*
*/
public ObjectFactory() {
}
/**
* Create an instance of {@link ESBEntry }
*
*/
public ESBEntry createESBEntry(String queueName) {
ESBEntry.AccessControl accessControl = ESBEntry.AccessControl.builder()
.userName("YBF").password("123").sysFlag("1").fid(queueName)
.build();
//DateUtil.format()
ESBEntry.MessageHeader messageHeader = ESBEntry.MessageHeader.builder()
.fid(queueName).sourceSysCode("S55").targetSysCode("S02").msgDate(DateUtil.now())
.build();
ESBEntry.RequestOption requestOption = ESBEntry.RequestOption.builder()
.onceFlag("").startNum("").endNum("").build();
List<ESBEntry.MsgInfo.Query> querys = new ArrayList<>();
ESBEntry.MsgInfo msgInfo = ESBEntry.MsgInfo.builder().msg("").query(querys).build();
return ESBEntry.builder()
.accessControl(accessControl)
.messageHeader(messageHeader)
.requestOption(requestOption)
.msgInfo(msgInfo)
.build();
}
/**
* Create an instance of {@link ESBEntry.MsgInfo }
*
*/
public ESBEntry.MsgInfo createESBEntry1MsgInfo() {
return new ESBEntry.MsgInfo();
}
/**
* Create an instance of {@link ESBEntry.AccessControl }
*
*/
public ESBEntry.AccessControl createESBEntry1AccessControl() {
return new ESBEntry.AccessControl();
}
/**
* Create an instance of {@link ESBEntry.MessageHeader }
*
*/
public ESBEntry.MessageHeader createESBEntry1MessageHeader() {
return new ESBEntry.MessageHeader();
}
/**
* Create an instance of {@link ESBEntry.RequestOption }
*
*/
public ESBEntry.RequestOption createESBEntry1RequestOption() {
return new ESBEntry.RequestOption();
}
/**
* Create an instance of {@link ESBEntry.MsgInfo.Query }
*
*/
public ESBEntry.MsgInfo.Query createESBEntry1MsgInfoQuery() {
return new ESBEntry.MsgInfo.Query();
}
}
创建XMLUtil 工具类
package com.comvee.util;
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;
/**
* @program: hismq_fzse
* @description:
* @author: wangj
* @create: 2021/08/12 10:53
*/
public class XMLUtil {
/**
* javabean转xml字符串
* @param object
* @return
* @throws JAXBException
*/
public static String javaBeanToXML(Object object) throws JAXBException {
// JAXB的上下文环境
JAXBContext context = JAXBContext.newInstance(object.getClass());
// 创建 Marshaller 实例
Marshaller marshaller = context.createMarshaller();
// 设置转换参数 -> 这里举例是告诉序列化器是否格式化输出
marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
marshaller.setProperty(Marshaller.JAXB_ENCODING,"UTF-8");
StringWriter writer = new StringWriter();
marshaller.marshal(object, writer);
return writer.toString();
}
/**
* xml字符串转javabean
* @param xmlStr
* @param clazz
* @param <T>
* @return
* @throws JAXBException
* @throws InstantiationException
* @throws IllegalAccessException
*/
public static <T> T XMLToJavaBean(String xmlStr,Class<T> clazz) throws JAXBException, InstantiationException, IllegalAccessException {
// JAXB的上下文环境
JAXBContext context = JAXBContext.newInstance(clazz);
// 创建 UnMarshaller 实例
Unmarshaller unmarshaller = context.createUnmarshaller();
return (T)unmarshaller.unmarshal(new StringReader(xmlStr));
}
}
测试工具类
@SpringBootTest
class HismqFzseApplicationTests {
@Test
public void test5() throws JAXBException, InstantiationException, IllegalAccessException {
// 创建实体类
ObjectFactory factory = new ObjectFactory();
ESBEntry eSBEntry = factory.createESBEntry("BS10001");
List<ESBEntry.MsgInfo.Query> queryList1 = eSBEntry.getMsgInfo().getQuery();
queryList1.add(ESBEntry.MsgInfo.Query.builder().item("INVALID_FLAG").compy(" = ").value("'333333333'").splice(" and ").build());
System.out.println(eSBEntry);
// 实体类转xml
System.out.println("==================================实体类转xml============================");
String XML = XMLUtil.javaBeanToXML(eSBEntry);
System.out.println(XML);
// xml转bean
System.out.println("==================================xml转bean============================");
ESBEntry esbEntry = XMLUtil.XMLToJavaBean(XML,ESBEntry.class);
System.out.println(esbEntry);
}
@Test
public void test5() throws JAXBException, InstantiationException, IllegalAccessException {
// 创建实体类
ObjectFactory factory = new ObjectFactory();
ESBEntry eSBEntry = factory.createESBEntry("BS10001");
List<ESBEntry.MsgInfo.Query> queryList1 = eSBEntry.getMsgInfo().getQuery();
queryList1.add(ESBEntry.MsgInfo.Query.builder().item("INVALID_FLAG").compy(" = ").value("'333333333'").splice(" and ").build());
System.out.println(eSBEntry);
// 实体类转xml
System.out.println("==================================实体类转xml============================");
String XML = XMLUtil.javaBeanToXML(eSBEntry);
System.out.println(XML);
// xml转bean
System.out.println("==================================xml转bean============================");
ESBEntry esbEntry = XMLUtil.XMLToJavaBean(XML,ESBEntry.class);
System.out.println(esbEntry);
}
}
控制台输出:
ESBEntry(accessControl=ESBEntry.AccessControl(userName=YBF, password=123, sysFlag=1, fid=BS10001), messageHeader=ESBEntry.MessageHeader(fid=BS10001, sourceSysCode=S55, targetSysCode=S02, msgDate=2021-08-15 21:24:53), requestOption=ESBEntry.RequestOption(onceFlag=, startNum=, endNum=), msgInfo=ESBEntry.MsgInfo(msg=, query=[ESBEntry.MsgInfo.Query(item=INVALID_FLAG, compy= = , value='333333333', splice= and )]))
==================================实体类转xml============================
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<ESBEntry>
<AccessControl>
<UserName>YBF</UserName>
<Password>123</Password>
<SysFlag>1</SysFlag>
<Fid>BS10001</Fid>
</AccessControl>
<MessageHeader>
<Fid>BS10001</Fid>
<SourceSysCode>S55</SourceSysCode>
<TargetSysCode>S02</TargetSysCode>
<MsgDate>2021-08-15 21:24:53</MsgDate>
</MessageHeader>
<RequestOption>
<onceFlag></onceFlag>
<startNum></startNum>
<endNum></endNum>
</RequestOption>
<MsgInfo>
<Msg></Msg>
<query item="INVALID_FLAG" compy=" = " value="'333333333'" splice=" and "/>
</MsgInfo>
</ESBEntry>
==================================xml转bean============================
ESBEntry(accessControl=ESBEntry.AccessControl(userName=YBF, password=123, sysFlag=1, fid=BS10001), messageHeader=ESBEntry.MessageHeader(fid=BS10001, sourceSysCode=S55, targetSysCode=S02, msgDate=2021-08-15 21:24:53), requestOption=ESBEntry.RequestOption(onceFlag=, startNum=, endNum=), msgInfo=ESBEntry.MsgInfo(msg=, query=[ESBEntry.MsgInfo.Query(item=INVALID_FLAG, compy= = , value='333333333', splice= and )]))
