String类型的XML文件的格式化

在接收到的xml报文中，未经过格式化，不好看

 package org.zln.xml.format;

 import org.dom4j.Document;
 import org.dom4j.DocumentException;
 import org.dom4j.io.OutputFormat;
 import org.dom4j.io.SAXReader;
 import org.dom4j.io.XMLWriter;

 import java.io.*;

 /**
  * Created by sherry on 16/3/29.
  */
 public class FormatXml {
     public static void main(String[] args) {
         String path = "";
         String fileName = "";
         formatXml(path,fileName);
     }

     private static void formatXml(String path, String fileName) {
         SAXReader saxReader = new SAXReader();
         Document document;
         BufferedReader bufferedReader = null;
         try {
             bufferedReader = new BufferedReader(new FileReader(new File(path,fileName)));
             StringBuilder stringBuilder = new StringBuilder();
             String line = null;
             while ((line = bufferedReader.readLine())!=null){
                 stringBuilder.append(line);
             }
             document = saxReader.read(new ByteArrayInputStream(stringBuilder.toString().getBytes("UTF-8")));
             OutputFormat outputFormat = OutputFormat.createPrettyPrint();
             XMLWriter xmlWriter = new XMLWriter(new FileWriter(new File(path,"new_xml_"+fileName)),outputFormat);
             xmlWriter.write(document);
             xmlWriter.close();
         } catch (FileNotFoundException e) {
             e.printStackTrace();
         } catch (IOException e) {
             e.printStackTrace();
         } catch (DocumentException e) {
             e.printStackTrace();
         }finally {
             if (bufferedReader!=null){
                 try {
                     bufferedReader.close();
                 } catch (IOException e) {
                     e.printStackTrace();
                 }
             }
         }
     }
 }