有時侯我們想要把java object轉成XML時會使用到的code，轉出來的xml約像下面的格式。
A12345
1
B12345
2
Iden123
李昭慶
d1
c1
1
1
1
d2
c2
2
2
2
d3
c3
3
3
3
DOMtoXML.java
/**
* Object output XML format by DOM.
*/
package com.iden.Dom;
import java.io.*;
import java.util.ArrayList;
import javax.xml.parsers.*;
import javax.xml.transform.*;
import javax.xml.transform.stream.*;
import javax.xml.transform.dom.DOMSource;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
public class DOMtoXML {
DOMtoXML(){}
public static void main(String[] args) {
DOMtoXML jt = new DOMtoXML();
Lot lot = new Lot("A12345", "1", "B12345", "2", "Iden123", "李昭慶");
lot.putGlass("d1", "c1", "1", "1", "1");
lot.putGlass("d2", "c2", "2", "2", "2");
lot.putGlass("d3", "c3", "3", "3", "3");
String xml = lot.genObjectToXML();
System.out.println(xml); //print the xml string
}
private String encoding(String s){
try {
return new String(s.getBytes(), "UTF-8"); //"ISO-8859-1"
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return null;
}
}
class Lot {
DocumentBuilderFactory f;
DocumentBuilder b;
Document doc;
private String lotId1;
private String glsQty1;
private String lotId2;
private String glsQty2;
private String userId;
private String userName;
private ArrayList glasses;
Lot(String lotId1, String glsQty1, String lotId2, String glsQty2, String userId, String userName) {
this.glasses = new ArrayList();
this.lotId1 = lotId1;
this.glsQty1 = glsQty1;
this.lotId2 = lotId2;
this.glsQty2 = glsQty2;
this.userId = userId;
this.userName = userName;
f = DocumentBuilderFactory.newInstance();
try {
b = f.newDocumentBuilder();
} catch (ParserConfigurationException e) {
e.printStackTrace();
}
doc = b.newDocument();
}
public String genObjectToXML(){
try {
/*
* XML output format:
*/
Element root = doc.createElement(this.getClass().getSimpleName());
doc.appendChild(root);
Element e;
e = doc.createElement("lotId1");
root.appendChild(e);
e.appendChild(doc.createTextNode(this.lotId1));
e = doc.createElement("glsQty1");
root.appendChild(e);
e.appendChild(doc.createTextNode(this.glsQty1));
e = doc.createElement("lotId2");
root.appendChild(e);
e.appendChild(doc.createTextNode(this.lotId2));
e = doc.createElement("glsQty2");
root.appendChild(e);
e.appendChild(doc.createTextNode(this.glsQty2));
e = doc.createElement("userId");
root.appendChild(e);
e.appendChild(doc.createTextNode(this.userId));
e = doc.createElement("userName");
root.appendChild(e);
e.appendChild(doc.createTextNode(this.userName));
Element g, dpLot, cutLot, gId, location, orgLocation;
for(int i=0;i<glasses.size();i++){
Glass objG = (Glass)glasses.get(i);
g = doc.createElement("glass");
root.appendChild(g);
dpLot = doc.createElement("dpLotId");
g.appendChild(dpLot);
dpLot.appendChild(doc.createTextNode(objG.getDpLotId()));
cutLot = doc.createElement("cutLotId");
g.appendChild(cutLot);
cutLot.appendChild(doc.createTextNode(objG.getCutLotId()));
gId = doc.createElement("glsId");
g.appendChild(gId);
gId.appendChild(doc.createTextNode(objG.getGlsId()));
location = doc.createElement("location");
g.appendChild(location);
location.appendChild(doc.createTextNode(objG.getLocation()));
orgLocation = doc.createElement("orgLocation");
g.appendChild(orgLocation);
orgLocation.appendChild(doc.createTextNode(objG.getOrgLocation()));
}
TransformerFactory tf = TransformerFactory.newInstance();
Transformer m = tf.newTransformer();
DOMSource source = new DOMSource(doc);
ByteArrayOutputStream byte1 = new ByteArrayOutputStream();
StreamResult result = new StreamResult(byte1);
System.out.println("Encoding: " + m.getOutputProperty(OutputKeys.ENCODING));
m.setOutputProperty(OutputKeys.ENCODING, "BIG5");
m.transform(source, result);
return byte1.toString();
} catch (TransformerConfigurationException e) {
e.printStackTrace();
} catch (TransformerException e) {
e.printStackTrace();
}
return null;
}
public void putGlass(String dpLotId, String cutLotId, String glsId, String location, String orgLocation) {
if (dpLotId != null && cutLotId != null && glsId != null && location != null && orgLocation != null) {
Glass g = new Glass();
g.setDpLotId(dpLotId);
g.setCutLotId(cutLotId);
g.setGlsId(glsId);
g.setLocation(location);
g.setOrgLocation(orgLocation);
glasses.add(g);
}
}
class Glass {
private String dpLotId;
private String cutLotId;
private String glsId;
private String location;
private String orgLocation;
public String getGlsId() {
return glsId;
}
public void setGlsId(String glsId) {
this.glsId = glsId;
}
public String getLocation() {
return location;
}
public void setLocation(String location) {
this.location = location;
}
public String getDpLotId() {
return dpLotId;
}
public void setDpLotId(String dpLotId) {
this.dpLotId = dpLotId;
}
public String getCutLotId() {
return cutLotId;
}
public void setCutLotId(String cutLotId) {
this.cutLotId = cutLotId;
}
public String getOrgLocation() {
return orgLocation;
}
public void setOrgLocation(String orgLocation) {
this.orgLocation = orgLocation;
}
}
}
