Cheok Yan Cheng Cheok Yan Cheng - 3 months ago 29
Java Question

xstream handles non-english character

I have the following code :

/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/

package helloworld;

import com.thoughtworks.xstream.XStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import javax.swing.JOptionPane;

/**
*
* @author yccheok
*/
public class Test {
@SuppressWarnings("unchecked")
public static <A> A fromXML(Class c, File file) {
XStream xStream = new XStream();
InputStream inputStream = null;

try {
inputStream = new java.io.FileInputStream(file);
Object object = xStream.fromXML(inputStream);
if (c.isInstance(object)) {
return (A)object;
}
}
catch (Exception exp) {
exp.printStackTrace();
}
finally {
if (inputStream != null) {
try {
inputStream.close();
inputStream = null;
}
catch (java.io.IOException exp) {
exp.printStackTrace();
return null;
}
}
}

return null;
}

@SuppressWarnings("unchecked")
public static <A> A fromXML(Class c, String filePath) {
return (A)fromXML(c, new File(filePath));
}

public static boolean toXML(Object object, File file) {
XStream xStream = new XStream();
OutputStream outputStream = null;

try {
outputStream = new FileOutputStream(file);
xStream.toXML(object, outputStream);
}
catch (Exception exp) {
exp.printStackTrace();
return false;
}
finally {
if (outputStream != null) {
try {
outputStream.close();
outputStream = null;
}
catch (java.io.IOException exp) {
exp.printStackTrace();
return false;
}
}
}

return true;
}

public static boolean toXML(Object object, String filePath) {
return toXML(object, new File(filePath));
}

public static void main(String args[]) {
String s = "\u6210\u4EA4\u91CF";
// print ???
System.out.println(s);
// fine! show 成交量
JOptionPane.showMessageDialog(null, s);
toXML(s, "C:\\A.XML");
String o = fromXML(String.class, "C:\\A.XML");
// show ???
JOptionPane.showMessageDialog(null, o);
}
}


I run the following code through command prompt in Windows Vista.

1) May I know why System.out.println unable to print out Chinese Character in console?

2) I open up the xstream file. The saved value is

<string>???</string>


How can I make xstream save Chinese Character correctly?

Thanks.

Answer
XStream xStream = new XStream(new DomDriver("UTF-8"));