/ode/TargetCrawler/src/main/java/org/tomstools/crawler/parser/JSONParser.java

/**

 * copyright (a) 2010-2014 tomstools.org. All rights reserved.

 */

package org.tomstools.crawler.parser;



import org.tomstools.crawler.common.Element;

import org.tomstools.crawler.common.ElementProcessor;



import com.alibaba.fastjson.JSON;

import com.alibaba.fastjson.JSONObject;



/**

 * json解析器

 * @author admin

 * @date 2014年3月12日 

 * @time 下午8:47:00

 * @version 1.0

 */

public class JSONParser implements Parser {

    @Override

    public Element parse(String content, String param) {

        JSONObject obj = JSON.parseObject(content);

        if (null != obj){

            return new JsonElement(obj.getJSONObject(param));

        }else{

            return null;

        }

    }



//    public void parse(String content, Map<String, String> params, ContentHandle handle) {

//        JSONObject obj = JSON.parseObject(content);

//        if (null != obj){

//            for (Entry<String, String> entry : params.entrySet()) {

//                handle.handle(entry.getKey(), new JsonElement(obj.getJSONObject(entry.getValue())));

//            }

//        }

//    }



    public static class JsonElement implements Element{

        private JSONObject obj;

        

        /**

         * @param obj

         * @since 1.0

         */

        public JsonElement(JSONObject obj) {

            super();

            this.obj = obj;

        }



        @Override

        public String getCode() {

            return obj.toJSONString();

        }



        @Override

        public String getAttribute(String attributeName) {

            return obj.getString(attributeName);

        }



        @Override

        public String getText() {

            return obj.toString();

        }



        @Override

        public void select(String cssQuery, ElementProcessor processor) {

            // TODO Auto-generated method stub

            

        }

        

    }

}