Using JAXB to convert instances of Java objects and XML strings to each other

Test class:

Package Com.yanek.test;import Java.util.arraylist;import Java.util.list;import Com.yanek.test.jaxbutil.collectionwrapper;public class Test {/** * @param args */public static void main (string[] args) {/ /Create Java Object Hotel Hotel=new (); Hotel.setid (1); Hotel.setname ("name1"); Roomtypevo t1=new Roomtypevo () t1.setprice ("a") T1.settypeid (1); T1.settypename ("typename1"); Roomtypevo t2=new Roomtypevo () t2.setprice ("a") T2.settypeid (2); T2.settypename ("typename2"); List<roomtypevo> roomtypevos=new arraylist<roomtypevo> (); Roomtypevos.add (t1); Roomtypevos.add (T2); Hotel.setroomtypevos (Roomtypevos);//Convert Java object to XML string Jaxbutil Requestbinder = new Jaxbutil ( Hotel.class,collectionwrapper.class); String retxml = Requestbinder.toxml (hotel, "Utf-8"); SYSTEM.OUT.PRINTLN ("xml:" +retxml);//Convert XML string to Java object Jaxbutil Resultbinder = new Jaxbutil (Hotel.class, Collectionwrapper.class); Hotel hotelobj = Resultbinder.fromxml (retxml); System.out.println ("Hotelid:" +hotelobj.getid ()); System.out.println ("Hotelname:" +hoTelobj.getname ()); for (Roomtypevo roomTypeVO:hotelObj.getRoomTypeVOs ()) {System.out.println ("Typeid:" + Roomtypevo.gettypeid ()); System.out.println ("Typename:" +roomtypevo.gettypename ());}}}

The output is as follows:

Xml:<?xml version= "1.0" encoding= "Utf-8" standalone= "yes"? >
 
 
 

 
Related classes:
 
 
Package Com.yanek.test;import Java.util.list;import Javax.xml.bind.annotation.xmlattribute;import Javax.xml.bind.annotation.xmlelement;import Javax.xml.bind.annotation.xmlelementwrapper;import javax.xml.bind.annotation.XmlRootElement; @XmlRootElement (name = "Hotel") public class Hotel {@XmlElementWrapper (name = "Roomtypevos") @XmlElement (name = "Roomtypevo") public list<roomtypevo> Getroomtypevos () {return roomtypevos;} public void Setroomtypevos (list<roomtypevo> roomtypevos) {roomtypevos = Roomtypevos;} Private list<roomtypevo> roomtypevos;/////@XmlElement (name = "id") @XmlAttribute (name = "id") public int getId () { return ID;} public void setId (int id) {this.id = ID;} @XmlElement (name = "name") public String GetName () {return name;} public void SetName (String name) {this.name = name;} private int id;private String name;} Package Com.yanek.test;import Javax.xml.bind.annotation.xmlattribute;import javax.xml.bind.annotation.XmlElement; public class Roomtypevo {//@XmlElement (name = "TYpeid ") @XmlAttribute (name =" typeID ") public int GetTypeId () {return typeid;} public void Settypeid (int typeid) {This.typeid = typeID;} @XmlElement (name = "TypeName") public String Gettypename () {return typename;} public void Settypename (String typename) {this.typename = typename;} @XmlElement (name = ' price ') public String GetPrice () {return price;} public void Setprice (String price) {this.price = Price;} private int typeid;private string typename;private string price;}
 
 
 
 
JAXB Simple Tool Class:
 
 
Package Com.yanek.test;import Java.io.stringreader;import Java.io.stringwriter;import java.util.Collection;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.lang.stringutils;/** * implemented with Jaxb2.0 Xml<->java The binder for object. * * Special support for the root object is the list case. * * @author */public class Jaxbutil {//Multithreading secure context.private jaxbcontext jaxbcontext;/** * @param types * all required The type of the root object to serialize. */public jaxbutil (class<?> ... types) {try {Jaxbcontext = jaxbcontext.newinstance (types);} catch (Jaxbexception e) {throw new RuntimeException (e);}} /** * Java object->xml. */public string toXml (Object root, string encoding) {try {StringWriter writer = new Stringwrite R (); Createmarshaller (encoding). Marshal (Root, writer); return writer.tostring ();} catch (Jaxbexception e) {throwNew RuntimeException (e);}} /** * Java Object->xml, specifically supports the case of root element is collection. */@SuppressWarnings ("unchecked") public String toXml (Collection root, String rootname, 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 (encoding). Marshal (Wrapperelement, writer); return Writer.tostring ();} catch (Jaxbexception e) {throw new RuntimeException (e);}} /** * Xml->java Object. */@SuppressWarnings ("unchecked") public <T> T fromxml (String xml) {try {StringReader reader = new StringReader (XML) ; return (T) Createunmarshaller (). Unmarshal (reader);} catch (Jaxbexception e) {throw new RuntimeException (e);}} /** * Xml->java Object, which supports case sensitivity or insensitivity. */@SuppressWarnings ("unchecked") public <T> T FromXml (String XML, Boolean casesensitive) {Try {String fromxml = xml;if (!casesensitive) FromXml = Xml.tolowercase (); StringReader reader = new StringReader (fromxml); return (T) Createunmarshaller (). Unmarshal (reader); catch (Jaxbexception e) {throw new RuntimeException (e);}} /** * Create Marshaller, set encoding (can be null). */public Marshaller Createmarshaller (String encoding) {try {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 new RuntimeException (e);}} /** * Create Unmarshaller. */public Unmarshaller Createunmarshaller () {try {return jaxbcontext.createunmarshaller ();} catch (Jaxbexception e) { throw new RuntimeException (e);}} /** * Package Root Element is the case of collection. */public Static class Collectionwrapper {@SuppressWarnings ("unchecked") @XmlAnyElementprotected Collection Collection ;}}
 
 

 

 

 
 
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Using JAXB to convert instances of Java objects and XML strings to each other