staxon 实现 json 与xml 之间的转换 支持数组，属性

package org;
import java.io.IOException;  
import java.io.StringReader;  
import java.io.StringWriter;  
  
import javax.xml.stream.XMLEventReader;  
import javax.xml.stream.XMLEventWriter;  
import javax.xml.stream.XMLInputFactory;  
import javax.xml.stream.XMLOutputFactory;  
  
import de.odysseus.staxon.json.JsonXMLConfig;  
import de.odysseus.staxon.json.JsonXMLConfigBuilder;  
import de.odysseus.staxon.json.JsonXMLInputFactory;  
import de.odysseus.staxon.json.JsonXMLOutputFactory;  
import de.odysseus.staxon.xml.util.PrettyXMLEventWriter;  
  
/** 
 * json and xml converter 
 * @author magic_yy 
 * @see https://github.com/beckchr/staxon 
 * @see https://github.com/beckchr/staxon/wiki 
 * 
 */  
public class StaxonUtils {  
      
    /** 
     * json string convert to xml string 
     */  
    public static String json2xml(String json){  
        StringReader input = new StringReader(json);  
        StringWriter output = new StringWriter();  
        JsonXMLConfig config = new JsonXMLConfigBuilder().multiplePI(false).repairingNamespaces(false).build();  
        try {  
            XMLEventReader reader = new JsonXMLInputFactory(config).createXMLEventReader(input);  
            XMLEventWriter writer = XMLOutputFactory.newInstance().createXMLEventWriter(output);  
            writer = new PrettyXMLEventWriter(writer);  
            writer.add(reader);  
            reader.close();  
            writer.close();  
        } catch( Exception e){  
            e.printStackTrace();  
        } finally {  
            try {  
                output.close();  
                input.close();  
            } catch (IOException e) {  
                e.printStackTrace();  
            }  
        }  
        if(output.toString().length()>=38){//remove <?xml version="1.0" encoding="UTF-8"?>  
            return output.toString().substring(39);  
        }  
        return output.toString();  
    }  
      
    /** 
     * xml string convert to json string 
     */  
    public static String xml2json(String xml){  
        StringReader input = new StringReader(xml);  
        StringWriter output = new StringWriter();  
        JsonXMLConfig config = new JsonXMLConfigBuilder().autoArray(true).autoPrimitive(true).prettyPrint(true).build();  
        try {  
            XMLEventReader reader = XMLInputFactory.newInstance().createXMLEventReader(input);  
            XMLEventWriter writer = new JsonXMLOutputFactory(config).createXMLEventWriter(output);  
            writer.add(reader);  
            reader.close();  
            writer.close();  
        } catch( Exception e){  
            e.printStackTrace();  
        } finally {  
            try {  
                output.close();  
                input.close();  
            } catch (IOException e) {  
                e.printStackTrace();  
            }  
        }  
        return output.toString();  
    }  
}  

测试：

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

import com.alibaba.fastjson.JSONObject;

public class TestMainNew {


	public static void main(String[] args) {
		// TODO Auto-generated method stub


		
        String xml = StaxonUtils.json2xml(getContent("resource/json2xml.txt", "utf-8"));  
        System.out.println(xml);  
        
        String json = StaxonUtils.xml2json(getContent("resource/BB.xml", "utf-8"));  
        System.out.println(json);  
		
        
        JSONObject jsonObject =JSONObject.parseObject(json);
		System.out.println(jsonObject.get("ClinicalDocument"));
      
//		writeFile("d:\\json2xml.txt", json, "UTF-8");//保存文件
		
	}
	
 
 public static String getContent(String pathName,String charsetName){
		
		StringBuffer jsonBuffer = new StringBuffer();
		try {
			InputStream is = new FileInputStream(pathName);//文件是DOS 格式
	        String line; // 用来保存每行读取的内容
	        BufferedReader reader = new BufferedReader(new InputStreamReader(is,charsetName));
	        line = reader.readLine(); // 读取第一行
	        while (line != null) { // 如果 line 为空说明读完了
	        	jsonBuffer.append(line); // 将读到的内容添加到 buffer 中
	        	jsonBuffer.append("\n"); // 添加换行符
	            line = reader.readLine(); // 读取下一行
	        }
	        reader.close();
	        is.close();
				
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return jsonBuffer.toString();
	}
 /**
	 * 写入文件
	 * @param filePathAndName  String 如 c:\\1.txt 绝对路径  
	 * @param fileContent 文件内容
	 * @param charsetName 编码格式
	 */
	public static  void writeFile(String filePathAndName, String fileContent,String charsetName) {   
	    try {   
	        File f = new File(filePathAndName);   
	        if (!f.exists()) {   
	            f.createNewFile();   
	        }   
	        OutputStreamWriter write = new OutputStreamWriter(new FileOutputStream(f),charsetName);   
	        BufferedWriter writer=new BufferedWriter(write);     
	        writer.write(fileContent);   
	        writer.close();   
	    } catch (Exception e) {   
	        System.out.println("写文件内容操作出错");   
	        e.printStackTrace();   
	    }   
	}   
}

用到 了包staxon-1.3.jar   

svn：http://maven-eu.nuxeo.org/nexus/content/repositories/thirdparty-releases/de/odysseus/staxon/staxon/1.3/   可下载源码，jar 和说明文档

完整工程下载地址：

http://download.csdn.net/detail/luoww1/9319129