把JSON格式的数据存储到MongDB中

 

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();
    }
}

评论

1 楼 wu2yong3jinh 2013-01-17  

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