JAVA实体XML相互转换

package com.jiayu.his.util;

import java.io.StringReader;
import java.io.StringWriter;
import java.util.Collection;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBElement;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
import javax.xml.bind.annotation.XmlAnyElement;
import javax.xml.namespace.QName;

import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.Validate;

/**
* 使用Jaxb2.0实现XML<->Java Object的Mapper.
* 在创建时需要设定所有需要序列化的Root对象的Class.
* 特别支持Root对象是Collection的情形.
*/
public class JaxbUtil {

@SuppressWarnings("rawtypes")
private static ConcurrentMap<Class, JAXBContext> jaxbContexts = new ConcurrentHashMap<Class, JAXBContext>();

/**
* Java Object->Xml without encoding.
*/
@SuppressWarnings("rawtypes")
public static String toXml(Object root) {
Class clazz = Reflections.getUserClass(root);
return toXml(root, clazz, null);
}

/**
* Java Object->Xml with encoding.
*/
@SuppressWarnings("rawtypes")
public static String toXml(Object root, String encoding) {
Class clazz = Reflections.getUserClass(root);
return toXml(root, clazz, encoding);
}

/**
* Java Object->Xml with encoding.
*/
@SuppressWarnings("rawtypes")
public static String toXml(Object root, Class clazz, String encoding) {
try {
StringWriter writer = new StringWriter();
createMarshaller(clazz, encoding).marshal(root, writer);
return writer.toString();
} catch (JAXBException e) {
throw Exceptions.unchecked(e);
}
}

/**
* Java Collection->Xml without encoding, 特别支持Root Element是Collection的情形.
*/
@SuppressWarnings("rawtypes")
public static String toXml(Collection<?> root, String rootName, Class clazz) {
return toXml(root, rootName, clazz, null);
}

/**
* Java Collection->Xml with encoding, 特别支持Root Element是Collection的情形.
*/
@SuppressWarnings("rawtypes")
public static String toXml(Collection<?> root, String rootName, Class clazz, String encoding) {
try {
CollectionWrapper wrapper = new CollectionWrapper();
wrapper.collection = root;

JAXBElement<CollectionWrapper> wrapperElement = new JAXBElement<CollectionWrapper>(new QName(rootName),
CollectionWrapper.class, wrapper);

StringWriter writer = new StringWriter();
createMarshaller(clazz, encoding).marshal(wrapperElement, writer);

return writer.toString();
} catch (JAXBException e) {
throw Exceptions.unchecked(e);
}
}

/**
* Xml->Java Object.
*/
@SuppressWarnings("unchecked")
public static <T> T fromXml(String xml, Class<T> clazz) {
try {
StringReader reader = new StringReader(xml);
return (T) createUnmarshaller(clazz).unmarshal(reader);
} catch (JAXBException e) {
throw Exceptions.unchecked(e);
}
}

/**
* 创建Marshaller并设定encoding(可为null).
* 线程不安全，需要每次创建或pooling。
*/
@SuppressWarnings("rawtypes")
public static Marshaller createMarshaller(Class clazz, String encoding) {
try {
JAXBContext jaxbContext = getJaxbContext(clazz);

Marshaller marshaller = jaxbContext.createMarshaller();

marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);

if (StringUtils.isNotBlank(encoding)) {
marshaller.setProperty(Marshaller.JAXB_ENCODING, encoding);
}
return marshaller;
} catch (JAXBException e) {
throw Exceptions.unchecked(e);
}
}

/**
* 创建UnMarshaller.
* 线程不安全，需要每次创建或pooling。
*/
@SuppressWarnings("rawtypes")
public static Unmarshaller createUnmarshaller(Class clazz) {
try {
JAXBContext jaxbContext = getJaxbContext(clazz);
return jaxbContext.createUnmarshaller();
} catch (JAXBException e) {
throw Exceptions.unchecked(e);
}
}

@SuppressWarnings("rawtypes")
protected static JAXBContext getJaxbContext(Class clazz) {
Validate.notNull(clazz, "'clazz' must not be null");
JAXBContext jaxbContext = jaxbContexts.get(clazz);
if (jaxbContext == null) {
try {
jaxbContext = JAXBContext.newInstance(clazz, CollectionWrapper.class);
jaxbContexts.putIfAbsent(clazz, jaxbContext);
} catch (JAXBException ex) {
throw new RuntimeException("Could not instantiate JAXBContext for class [" + clazz + "]: "
+ ex.getMessage(), ex);
}
}
return jaxbContext;
}

/**
* 封装Root Element 是 Collection的情况.
*/
public static class CollectionWrapper {

@XmlAnyElement
protected Collection<?> collection;
}
}

package com.jiayu.his.biz.yygh.entity;

import java.io.Serializable;

import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlTransient;

import com.jiayu.his.base.Page;
import com.jiayu.his.util.JaxbUtil;

//设置生成的xml的根节点的名称
@XmlRootElement(name="sendHospitalInfo")
//设置根据字段还是方法生成
@XmlAccessorType(XmlAccessType.FIELD)
public class YwYyghSydw implements Serializable {
//xml节点的名称
@XmlElement(name="hospitalId")
private String hospitalid;

//忽略此属性
@XmlTransient
private long id;

@XmlElement(name="hospitalName")
private String hospitalname;

@XmlElement(name="addr")
private String addr;

@XmlElement(name="tel")
private String tel;

@XmlElement(name="webite")
private String website;

@XmlElement(name="hospLevel")
private String hosplevel;

@XmlElement(name="hospArea")
private String hosparea;

@XmlElement(name="desc")
private String yyjj;

@XmlElement(name="maxRegDays")
private String maxregdays;

@XmlElement(name="startRegTime")
private String startregtime;

@XmlElement(name="stopRegTime")
private String stopregtime;

@XmlElement(name="scbz")
private String scbz;

@XmlElement(name="yl")
private String yl;

@XmlTransient
private Page page;

@XmlTransient
private String deptid;

@XmlTransient
private String deptname;

@XmlTransient
private String parentId;

@XmlTransient
private String ksjj;

public Page getPage() {
return page;
}

public void setPage(Page page) {
this.page = page;
}
public String getHospitalid() {
return hospitalid;
}

public void setHospitalid(String hospitalid) {
this.hospitalid = hospitalid == null ? null : hospitalid.trim();
}
public long getId() {
return id;
}

public void setId(long id) {
this.id = id;
}

public String getHospitalname() {
return hospitalname;
}

public void setHospitalname(String hospitalname) {
this.hospitalname = hospitalname == null ? null : hospitalname.trim();
}

public String getAddr() {
return addr;
}

public void setAddr(String addr) {
this.addr = addr == null ? null : addr.trim();
}

public String getTel() {
return tel;
}

public void setTel(String tel) {
this.tel = tel == null ? null : tel.trim();
}

public String getWebsite() {
return website;
}

public void setWebsite(String website) {
this.website = website == null ? null : website.trim();
}

public String getHosplevel() {
return hosplevel;
}

public void setHosplevel(String hosplevel) {
this.hosplevel = hosplevel == null ? null : hosplevel.trim();
}

public String getHosparea() {
return hosparea;
}

public void setHosparea(String hosparea) {
this.hosparea = hosparea == null ? null : hosparea.trim();
}

public String getYyjj() {
return yyjj;
}

public void setYyjj(String yyjj) {
this.yyjj = yyjj;
}

public String getMaxregdays() {
return maxregdays;
}

public void setMaxregdays(String maxregdays) {
this.maxregdays = maxregdays == null ? null : maxregdays.trim();
}

public String getStartregtime() {
return startregtime;
}

public void setStartregtime(String startregtime) {
this.startregtime = startregtime == null ? null : startregtime.trim();
}

public String getStopregtime() {
return stopregtime;
}

public void setStopregtime(String stopregtime) {
this.stopregtime = stopregtime == null ? null : stopregtime.trim();
}

public String getScbz() {
return scbz;
}

public void setScbz(String scbz) {
this.scbz = scbz == null ? null : scbz.trim();
}

public String getYl() {
return yl;
}

public void setYl(String yl) {
this.yl = yl == null ? null : yl.trim();
}

public String getDeptid() {
return deptid;
}

public void setDeptid(String deptid) {
this.deptid = deptid;
}

public String getDeptname() {
return deptname;
}

public void setDeptname(String deptname) {
this.deptname = deptname;
}

public String getParentId() {
return parentId;
}

public void setParentId(String parentId) {
this.parentId = parentId;
}

public String getKsjj() {
return ksjj;
}

public void setKsjj(String ksjj) {
this.ksjj = ksjj;
}

public static void main(String[] args) {
YwYyghSydw sydw = new YwYyghSydw();
sydw.setHospitalid("001");
sydw.setHospitalname("11");
sydw.setAddr("dfffffffffffffffff");
sydw.setTel("111111111");
System.out.println(JaxbUtil.toXml(sydw));
String xml=JaxbUtil.toXml(sydw);
YwYyghSydw sydw1 = new YwYyghSydw();
sydw1=JaxbUtil.fromXml(xml,YwYyghSydw.class);
System.out.println(JaxbUtil.toXml(sydw1));
}
}