Jdom Generating and parsing XML instances

Import Java.io.file;import Java.io.filenotfoundexception;import Java.io.fileoutputstream;import Java.io.ioexception;import java.util.List; Import Org.jdom.attribute;import org.jdom.comment;import Org.jdom.document;import Org.jdom.element;import Org.jdom.jdomexception;import Org.jdom.input.saxbuilder;import Org.jdom.output.format;import Org.jdom.output.XMLOutputter;     /** * * Jdom Generate and parse XML documents * */public class jdomdemo{Document document = new document (); /** * Use Jdom for writing XML documents */public void Createxml (file file) {//1. Create elements and set as root element elements employ        EES = newelement ("Employees");         Document.setcontent (employees);        2. Create a comment and set it on the root element Comment Commet = new Comment ("Thisis my Comment");         Employees.addcontent (Commet);         3. Create elements element element1 = newelement ("employee");         3.1 Set the attribute name and attribute value of the element Element1.setattribute (Newattribute ("id", "0001")); 3.2 Creating the attribute name and attribute value of the element Attribute nameattr = Newattribute ("Name", "WANGLP");        3.3 Setting element name and text element Sexele = newelement ("Sex");        Sexele.settext ("M");         Set to upper element element1.addcontent (Sexele);        Set element Ageele = Newelement ("Age");        Ageele.settext ("22");         Element1.addcontent (Ageele);        Set to the child element of the root element employees.addcontent (element1);         Sets the element property to the element Element1.setattribute (nameattr);         3. Create elements element element2 = newelement ("employee");         3.1 Set the attribute name and attribute value of the element Element2.setattribute (Newattribute ("id", "0002"));         3.2 Create the attribute name and attribute value of the element Attribute name2attr = Newattribute ("name", "Fox");        3.3 Setting element name and text element Sex2ele = newelement ("Sex");        Sex2ele.settext ("F");         Set to upper element element2.addcontent (Sex2ele);        Set element Age2ele = Newelement ("Age");        Age2ele.settext ("21");         Element2.addcontent (Age2ele);    Set to the child element of the root element employees.addcontent (Element2);    Sets the element property to the element Element2.setattribute (name2attr);        Element element3 = new Element ("employee");        Element3.settext ("title");        Element3.addcontent (newelement ("name"). Addcontent (New Element ("Hello"));         Employees.addcontent (ELEMENT3);        Formats the output of the XML document in format format =format.getprettyformat ();        Xmloutputter out = newxmloutputter (format);        Output the resulting XML document to the file stream in try {out.output (document, Newfileoutputstream (file));        } catch (FileNotFoundException e) {e.printstacktrace ();        } catch (IOException e) {e.printstacktrace (); }}/** * Use Jdom to read XML documents */public void Parserxml (file file) {//build parser Saxbuilder Bui        Lder = new Saxbuilder ();        try {//associates parser with document = Builder.build (file);        } catch (Jdomexception E1) {e1.printstacktrace ();  } catch (IOException E1) {e1.printstacktrace ();      }//Read root element Elemental root =document.getrootelement ();         The name of the output root element System.out.println ("<" +root.getname () + ">");        Reads a collection of elements list<?> employeelist =root.getchildren ("employee");            for (int i = 0; I <employeelist.size (); i++) {Element ele = (Element) employeelist.get (i);             Get the name of the element System.out.println ("<" + ele.getname () + ">");            Reads the attribute collection of the element list<?> empattrlist =ele.getattributes ();                for (int j = 0; J <empattrlist.size (); j + +) {Attribute attrs = (Attribute) empattrlist.get (j);                Set the name and value of the property and output String name = Attrs.getname ();                String value = (string) attrs.getvalue ();            SYSTEM.OUT.PRINTLN (name + "=" + value);               } try {Element sex =ele.getchild ("sex");                System.out.println ("<sex>" + sex.gettext ()); Element age =Ele.getchild ("Age");            System.out.println ("<age>" + age.gettext ());                } catch (NullPointerException e) {System.out.println (Ele.gettexttrim ());               Element name =ele.getchild ("name");                           System.out.println ("<name>" + name.getname ());        } System.out.println ("</employee>");    } System.out.println ("</employees>");        }/** * Test */public static void main (string[] args) {Jdomdemo jdom = new Jdomdemo ();        File File = NewFile ("E://jdom.xml");        Jdom.createxml (file);    Jdom.parserxml (file); }}

Jdom Generating and parsing XML instances