Java and XML (ii) write XML reading and writing programs in Java

Xml| program Java and XML (ii) write XML reading and writing programs in Java

This is to read the XML file Java program, I debug good. The DOM method is used to read the XML file into the vector.
Package src;
Import java.io.*;
Import Java.util.Vector;
Import javax.xml.parsers.*;
Import org.w3c.dom.*;
public class ReadXml {
static document document;
private Boolean validating;
Public ReadXml () {
}
Public Vector toread (String filename) {
Vector title=new vector ();
Vector content=new vector ();
String Mystr=new string ();
try {
Documentbuilderfactory factory = Documentbuilderfactory.newinstance ();
Factory.setvalidating (validating);
Documentbuilder builder = Factory.newdocumentbuilder ();
Document = Builder.parse (new File (filename));
Document.getdocumentelement (). normalize ();
Node node = Document.getfirstchild ();
NodeList list = Node.getchildnodes ();
for (int i = 0; i < list.getlength (); i++) {
Node nodeitm = List.item (i);
if (Nodeitm.getnodename (). Equals ("Title")) {
Mystr=nodeitm.getfirstchild (). Getnodevalue ();
Title.addelement (MYSTR);//getfirstchild ()
}
if (Nodeitm.getnodename (). Equals ("Content")) {
Mystr=nodeitm.getfirstchild (). Getnodevalue ();
Content.addelement (MYSTR);
}
}
catch (Exception exp) {
Exp.printstacktrace ();
return null;
}
Vector all=new vector ();
All.add (title);
All.add (content);
return all;
}

public static void Main (string[] args) {
Vector A;
ReadXml my = new ReadXml ();
A = My.toread ("F:\\tomcat5\\webapps\\myxml\\xmldata\\9.xml");
for (int i = 0; i < a.size (); i++) {
System.out.println (A.elementat (i));
}
}
}
This is to write the XML to the file. Among them, Transformer.setoutputproperty (outputkeys.encoding, "GB2312") is related to the coding problem, very important.
Import org.w3c.dom.*;
Import javax.xml.parsers.*;
Import javax.xml.transform.*;
Import Javax.xml.transform.dom.DOMSource;
Import Javax.xml.transform.stream.StreamResult;
Import java.io.*;
public class WriteXml {
Private document document;
private String filename;

Public WriteXml (String name) throws parserconfigurationexception{
Filename=name;
Documentbuilderfactory factory=documentbuilderfactory.newinstance ();
Documentbuilder Builder=factory.newdocumentbuilder ();
Document=builder.newdocument ();
}
public void Towrite (String mytitle,string mycontent) {
Element root=document.createelement ("WorkShop");
Document.appendchild (root);
Element title=document.createelement ("title");
Title.appendchild (document.createTextNode (mytitle));
Root.appendchild (title);
Element content=document.createelement ("content");
Content.appendchild (document.createTextNode (mycontent));
Root.appendchild (content);
}
public void Tosave () {
try{
Transformerfactory tf=transformerfactory.newinstance ();
Transformer Transformer=tf.newtransformer ();
Domsource source=new Domsource (document);
Transformer.setoutputproperty (outputkeys.encoding, "GB2312");
Transformer.setoutputproperty (outputkeys.indent, "yes");
PrintWriter pw=new PrintWriter (new FileOutputStream (filename));
Streamresult result=new Streamresult (PW);
Transformer.transform (Source,result);
}
catch (Transformerexception Mye) {
Mye.printstacktrace ();
}
catch (IOException exp) {
Exp.printstacktrace ();
}
}
public static void Main (String args[]) {
try{
WriteXml myxml=new WriteXml ("F:\\tomcat5\\webapps\\myxml\\xmldata\\9.xml");
Myxml.towrite ("Chinese topic", "Chinese content");
Myxml.tosave ();
System.out.print ("Your writing is successful.");
}
catch (parserconfigurationexception exp) {
Exp.printstacktrace ();
System.out.print ("Your writing is failed.");
}
}
}