httpclient上传文件乱码

String targetUrl = "http://localhost:8080/Test";     
    PostMethod filePost = new PostMethod(targetUrl) {//这个用来中文乱码     
            public String getRequestCharSet() {     
                    return "UTF-8";//     
                }     
    };      
    try {     
                HttpClient client = new HttpClient();     
                File file = new File("c:/新闻.xml");     
                Part[] parts = new Part[] {new CustomFilePart(file.getName(), file)};     
                filePost.setRequestEntity(new MultipartRequestEntity(parts, filePost.getParams()));     
                int statuscode=client.executeMethod(filePost);            
                if(statuscode == HttpStatus.SC_OK) {     
System.out.println("添加文件成功");     
} else {     
System.out.println("添加文件失败");     
}     
} catch (Exception ex) {     
ex.printStackTrace();     
}    

import java.io.File;     
import java.io.FileNotFoundException;     
import java.io.IOException;     
import java.io.OutputStream;     
    
import org.apache.commons.httpclient.methods.multipart.FilePart;     
import org.apache.commons.httpclient.util.EncodingUtil;     
/**   
*解决中文文件名乱码   
*/    
public class CustomFilePart extends FilePart {     
    public CustomFilePart(String filename, File file)     
            throws FileNotFoundException {     
        super(filename, file);     
    }     
    
    protected void sendDispositionHeader(OutputStream out) throws IOException {     
        super.sendDispositionHeader(out);     
        String filename = getSource().getFileName();     
        if (filename != null) {     
            out.write(EncodingUtil.getAsciiBytes(FILE_NAME));     
            out.write(QUOTE_BYTES);     
            out.write(EncodingUtil.getBytes(filename, "utf-8"));     
            out.write(QUOTE_BYTES);     
        }     
    }     
}    

File tempfile = new File(System.getProperty("java.io.tmpdir")); // 采用系统临时文件目录     
            DiskFileItemFactory diskFileItemFactory = new DiskFileItemFactory();     
            diskFileItemFactory.setSizeThreshold(4096); // 设置缓冲区大小，这里是4kb     
            diskFileItemFactory.setRepository(tempfile); // 设置缓冲区目录     
            ServletFileUpload fu = new ServletFileUpload(diskFileItemFactory);     
            fu.setSizeMax(4194304); // 限制文件大小最大为4M     
            List fileItems = fu.parseRequest(request);     
            Iterator i = fileItems.iterator();     
            while (i.hasNext()) {     
                FileItem fi = (FileItem) i.next();     
                String fileName = fi.getName();     
                if (fileName != null) {     
                    File fullFile = new File(fi.getName());     
                    File savedFile = new File(uploadPath, fullFile.getName());     
                    fi.write(savedFile);     
                }     
            }     
            System.out.println("upload succeed");