把JSON格式的数据存储到MongDB中

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package com.cash.xml;import java.io.IOException;import java.io.InputStream;import java.net.UnknownHostException;import org.apache.commons.io.IOUtils;import com.mongodb.DB;import com.mongodb.DBCollection;import com.mongodb.DBCursor;import com.mongodb.DBObject;import com.mongodb.Mongo;import com.mongodb.MongoException;import net.sf.json.JSON;import net.sf.json.xml.XMLSerializer;public class ConvertXMLtoJSON {    public static void app() throws IOException {        try {            Mongo mongo = new Mongo("localhost", 27017);            DB db = mongo.getDB("myDB");            DBCollection collection = db.getCollection("MyKeySpace");            InputStream is = ConvertXMLtoJSON.class                    .getResourceAsStream("sample.xml");            String xml = IOUtils.toString(is);            System.out.println(xml);            XMLSerializer xmlSerializer = new XMLSerializer();            JSON json = xmlSerializer.read(xml);            // convert JSON to DBObject directly            DBObject object = (DBObject) com.mongodb.util.JSON.parse(json                    .toString());            collection.insert(object);            DBCursor cursorDoc = collection.find();            while (cursorDoc.hasNext()) {                System.out.println(cursorDoc.next());            }            System.out.println("Done");        } catch (UnknownHostException e) {            e.printStackTrace();        } catch (MongoException e) {            e.printStackTrace();        }    }    public static void main(String[] args) throws Exception {        app();    }}