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();
                }
            }
        }
    }
}