Java.beans Package Xmlencoder and Xmldecoder implementing entity and XML transformations

Package j2se.core.base; import java.beans.xmldecoder;import java.beans.xmlencoder;import  java.io.*;import java.util.ArrayList;import java.util.List; /** * Created  by lenovo on 2015/11/26. */public class xmlutil {    /* *     *  reads the serialized saved object in the XML file specified by Objsource, and the returned results are in the list package       *     *  @param  objSource     *              full file path file name      * @ return  a list of objects that are stored in an XML file (possibly one or more serialized saved objects)      *  @throws   java.io.filenotfoundexception     *               the specified object read resource does not exist      *  @throws   java.io.ioexception     *              Read error occurred       *  @throws  Exception     *               Other run-time exceptions occur      */     Public static list objectxmldecoder (String objsource)  throws  filenotfoundexception, ioexception, exception {         List objlist = new arraylist ();        file  Fin = new file (Objsource);        fileinputstream  Fis = new fileinputstream (Fin);        xmldecoder  Decoder = new xmldecoder (FIS);         object obj  = null;        try {             while  ((Obj = decoder.readobject ())  != null)  {                 objlist.add (obj);             }        } catch   (exception e)  {        }         fis.close ();         decoder.close ();         return objList;    }      /**     *  save a collection to an XML file      *  @param   objects     *  @param  fileName     *  @throws  ioexception  &nbSp;  */    public static void objectxmlencoderlist (List  Objects,string filename)  throws IOException {         //  Create an output file         file fo = new file ( FileName);        //  file does not exist, create the file          if  (!fo.exists ())  {             //  Create a directory of files first             string  path = filename.substring (0, filename.lastindexof ('. '));             File pFile = new  File (path);             pfile.mkdirs ();         }        //  creating a file output stream         fileoutputstream fos  = new fileoutputstream (FO);        //  Create an XML file object output class instance         XMLEncoder encoder = new  Xmlencoder (FOS);        //  object serialized output to XML file          for  (object obj : objects)  {             encoder.writeobject (obj);         }        encoder.flush ();         //  Close the serialization Tool         encoder.close ();         //  off output stream         fos.close ();     }     /**     *  serializes a Java serializable object (implementing the Serializable interface) into an XML file, If you want to save more than one serializable object at a time, encapsulate   save with a collection will use the current object's original XML file content      *      *  @param  obj     *              serializable objects to serialize      *  @param  fileName      *             file name with full save path       *  @throws  FileNotFoundException     *               the file at the specified location does not exist      *   @throws  IOException     *               exception occurred      *  @throws on output  Exception      *              Other run-time exceptions      */     public static void objectxmlencoder (Object obj, string filename)  throws FileNotFoundException, IOException, Exception {         //  Create an output file         file fo = new  file (fileName);        //  file does not exist, create the file          if  (!fo.exists ())  {             //  Create a directory of files first              string path = filename.substring (0, filename.lastindexof ('. '));             File pFile = new  File (path);              pfile.mkdirs ();        }         //  Create a file output stream          Fileoutputstream fos = new fileoutputstream (FO);         //  create an XML file object output class instance         xmlencoder encoder =  new xmlencoder (FOS);        //  object serialized output to XML file          encoder.writeobject (obj);         encoder.flush ();        //  Turn off serialization tool          encoder.close ();        //  off output stream          fos.close ();     }}

Test:

package j2se.core.base; import java.util.arraylist;import java.util.list; /** *  created by lenovo on 2015/11/26. */public class xmlencodertest {     public static void main (String[] args)  {         //  using Xmlencoder to save a Java serialized object to an XML file          string file = new string ("D:/test/person.xml");         List<Person> personList = new ArrayList<Person> (2);         //  constructs a Person object         person  person = new person ();         person.setid (100001 );         person.setname ("Zhang San");         person.seTphonenum ("15825625152");         // animal1         animal animal1 = new animal ();         animal1.setid (1);         animal1.setname (" Petter ");         // animal2         animal animal2 = new animal ();         animal2.setid (2);         animal2.setname ("rhubarb");          List<Animal> animals = new ArrayList< > (2);         animals.add (ANIMAL1);         animals.add (Animal2);         person.setanimals ( Animals); &NBSP;&NBSP;&NBSP;&NBSP;&NBsp;    // person2        person person2  = new person ();         person2.setid (100002);         person2.setname ("History");         person2.setphonenum ("158525252551");          list<animal > animalList = new ArrayList<> (1);         animal animal = new animal ();         Animal.setid (3);         animal.setname ("Fruit");         animallist.add (animal);         Person2.setanimals (animallist);         personlist.add (person);         persoNlist.add (Person2);         try {             xmlutil.objectxmlencoderlist (PersonList, file);             List<Person> persons =  Xmlutil.objectxmldecoder (file);             for   (person p : persons)  {           &NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;SYSTEM.OUT.PRINTLN (P);             }        } catch  (Exception e)  {            e.printstacktrace ();         }     }}

Generated XML file:

<?xml version= "1.0"  encoding= "UTF-8"? ><java version= "1.7.0_04"  class= " Java.beans.XMLDecoder "> <object class=" J2se.core.base.Person ">  <void  property= "Animals" >   <object class= "java.util.ArrayList" >     <void method= "Add" >     <object class= "J2se.core.base.Animal ">      <void property=" id ">        <int>1</int>      </void>       <void property= "Name" >       <string>petter</ string>      </void>     </object>     </void>    <void method= "Add" >      <object class= "J2se.corE.base.animal ">      <void property=" id ">        <int>2</int>      </void>       <void property= "name" >       <string> Rhubarb </string>      </void>     </object>     </void>   </object>  </void>   <void property= "id" >   <int>100001</int>  </void>   <void property= "Name" >   <string> Zhang San </string>  </void >  <void property= "Phonenum" >   <string>15825625152</string >  </void> </object> <object class= "J2se.core.base.Person" >   <void property= "Animals" >   <object class= "java.util.ArrayList" >     <void method= "Add" >     <object class= "J2se.core.base.Animal" >       <void property= "id" >        <int>3</int>      </void>       <void property= "name" >       <string> fruit </string>       </void>     </object>     </void>   </object>  </void>  <void  property= "id" >   <int>100002</int>  </void>  <void  property= "Name" >   <string> history </string>  </void>   <void property= "Phonenum" >   <string>158525252551</string>  </void> </ Object></java>

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Java.beans Package Xmlencoder and Xmldecoder implementing entity and XML transformations