Dom methods read XML (infrequently used)

Book.java

 PackageCom.xml.demo; Public classBook {Private intID; PrivateString name; PrivateFloat money;  Public intgetId () {returnID; } @Override PublicString toString () {return"Book [id=" + ID + ", name=" + name + ", money=" + Money + "]"; }     Public voidSetId (intID) { This. ID =ID; }     PublicString GetName () {returnname; }     Public voidsetName (String name) { This. Name =name; }     PublicFloat Getmoney () {returnMoney ; }     Public voidSetmoney (Float money) { This. Money =Money ; }     PublicBook () {//TODO auto-generated Constructor stub    }}

Demoserver.java

 PackageCom.xml.demo;ImportJava.io.InputStream;Importjava.util.ArrayList;Importjava.util.List;ImportJavax.xml.parsers.DocumentBuilder;Importjavax.xml.parsers.DocumentBuilderFactory;Importorg.w3c.dom.Document;Importorg.w3c.dom.Element;ImportOrg.w3c.dom.Node;Importorg.w3c.dom.NodeList; Public classDemoserver { PublicDemoserver () {//TODO auto-generated Constructor stub    }         PublicList<book> getbooks (InputStream inputstream)throwsException {List<Book> list=NewArraylist<book>(); //Create a document factoryDocumentbuilderfactory factory=documentbuilderfactory.newinstance (); Documentbuilder Builder=Factory.newdocumentbuilder (); Document Document=Builder.parse (InputStream); Element element=document.getdocumentelement ();//get a stable element nodeNodeList booknodes=element.getelementsbytagname ("book");  for(intI=0;i<booknodes.getlength (); i++) {Element bookelement=(Element) Booknodes.item (i); Book Book=NewBook (); Book.setid (Integer.parseint (Bookelement.getattribute ("id"))); NodeList ChildNodes=bookelement.getchildnodes ();  for(intJ=0;j<childnodes.getlength (); j + +)            {                if(Childnodes.item (j). Getnodetype () = =Node.element_node) {                    if("Name". Equals (Childnodes.item (j). Getnodename ()))                    {Book.setname (Childnodes.item (j). Getfirstchild (). Getnodevalue ()); }Else if("Price". Equals (Childnodes.item (j). Getnodename ()))                    {Book.setmoney (Float.parsefloat (Childnodes.item (j). Getfirstchild (). Getnodevalue ()));        }}} list.add (book); }        returnlist; }    /**     * @paramargs*/     Public Static voidMain (string[] args) {String path= "Http://weikew.gotoip55.com/person.xml"; InputStream InputStream=httputils.getxml (path); Demoserver Server=NewDemoserver (); Try{List<Book> list=server.getbooks (InputStream);  for(book book:list) {System.out.println (book.tostring ()); }        } Catch(Exception e) {//Todo:handle Exception        }    }}

Httputils.java

 PackageCom.xml.demo;ImportJava.io.InputStream;Importjava.net.HttpURLConnection;ImportJava.net.URL; Public classHttputils { Publichttputils () {//TODO auto-generated Constructor stub    }     Public Staticinputstream GetXML (String path) {InputStream InputStream=NULL; Try{URL URL=NewURL (path); if(url!=NULL) {httpurlconnection connection=(HttpURLConnection) url.openconnection (); Connection.setconnecttimeout (3000); Connection.setdoinput (true); Connection.setrequestmethod ("GET"); intCode=Connection.getresponsecode (); if(code==200) {InputStream=Connection.getinputstream (); }                            }        } Catch(Exception e) {//Todo:handle Exception        }        returnInputStream; }}

Person.xml

<?XML version= "1.0" encoding= "Utf-8"?><Books>< BookID= " the"><name>Zhang Lao Jin</name>< Price>22.2</ Price></ Book>< BookID= " the"><name>Li Fa in</name>< Price>44.5</ Price></ Book></Books>

Dom methods read XML (infrequently used)