Json数据解析

package json;

import java.util.List;

public class Paramz
{
    private List<Feeds> list;
    private int pageIndex;
    private int pageSize;
    private int totalCount;
    private int totalPage;

    public Paramz()
    {
        super();
    }

    public Paramz(List<Feeds> list, int pageIndex, int pageSize,
            int totalCount, int totalPage)
    {
        super();
        this.list = list;
        this.pageIndex = pageIndex;
        this.pageSize = pageSize;
        this.totalCount = totalCount;
        this.totalPage = totalPage;
    }

    public List<Feeds> getList()
    {
        return list;
    }

    public void setList(List<Feeds> list)
    {
        this.list = list;
    }

    public int getPageIndex()
    {
        return pageIndex;
    }

    public void setPageIndex(int pageIndex)
    {
        this.pageIndex = pageIndex;
    }

    public int getPageSize()
    {
        return pageSize;
    }

    public void setPageSize(int pageSize)
    {
        this.pageSize = pageSize;
    }

    public int getTotalCount()
    {
        return totalCount;
    }

    public void setTotalCount(int totalCount)
    {
        this.totalCount = totalCount;
    }

    public int getTotalPage()
    {
        return totalPage;
    }

    public void setTotalPage(int totalPage)
    {
        this.totalPage = totalPage;
    }

    @Override
    public String toString()
    {
        return "今日新闻：\r\n"
                + getListString()
                + "\r\n"
                + "-----------------------------------------------------------------------\r\n"
                + "页码:" + pageIndex + "    新闻条数:" + pageSize + "    总条数:"
                + totalCount

                + "    总页数:" + totalPage + "         ";
    }

    public String getListString()
    {
        String str = "";
        for (Feeds f : list)
        {
            str += f;
        }
        return str;
    }

}

package json;

public class Feeds
{
    private int id;
    private int oid;
    private String category;
    private Data data;

    public Feeds()
    {
        super();
    }

    public Feeds(int id, int oid, String category, Data data)
    {
        super();
        this.id = id;
        this.oid = oid;
        this.category = category;
        this.data = data;
    }

    public int getId()
    {
        return id;
    }

    public void setId(int id)
    {
        this.id = id;
    }

    public int getOid()
    {
        return oid;
    }

    public void setOid(int oid)
    {
        this.oid = oid;
    }

    public String getCategory()
    {
        return category;
    }

    public void setCategory(String category)
    {
        this.category = category;
    }

    public Data getData()
    {
        return data;
    }

    public void setData(Data data)
    {
        this.data = data;
    }

    @Override
    public String toString()
    {
        return "-----------------------------------------------------------------------\r\n"
                + "id:"
                + id
                + "\r\n"
                + "oid:"
                + oid
                + "\r\n"
                + "category:"
                + category + "\r\n" + data + "\r\n";
    }
}

package json;

public class Data
{
    private String subject;
    private String summary;
    private String cover;
    private String format;
    private String changed;

    public Data()
    {
        super();
    }

    public Data(String subject, String summary, String cover, String format,
            String changed)
    {
        super();
        this.subject = subject;
        this.summary = summary;
        this.cover = cover;
        this.format = format;
        this.changed = changed;
    }

    public String getSubject()
    {
        return subject;
    }

    public void setSubject(String subject)
    {
        this.subject = subject;
    }

    public String getSummary()
    {
        return summary;
    }

    public void setSummary(String summary)
    {
        this.summary = summary;
    }

    public String getCover()
    {
        return cover;
    }

    public void setCover(String cover)
    {
        this.cover = cover;
    }

    public String getFormat()
    {
        return format;
    }

    public void setFormat(String format)
    {
        this.format = format;
    }

    public String getChanged()
    {
        return changed;
    }

    public void setChanged(String changed)
    {
        this.changed = changed;
    }

    @Override
    public String toString()
    {
        return "    标题:" + subject + "\r\n" + "    摘要:" + summary + "\r\n"
                + "  cover:" + cover + "\r\n" + "  format:" + format
                + "\r\n" + "    发布时间:" + changed + "\r\n";
    }

}

package json;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

public class HttpUtils
{
    public static String getJsonStr(String path) throws IOException
    {
        String jsonStr = null;
        URL url = new URL(path);
        HttpURLConnection con = (HttpURLConnection) url.openConnection();

        con.setRequestMethod("GET");
        con.setConnectTimeout(5000);
        con.setDoInput(true);

        InputStream in = null;
        if (con.getResponseCode() == 200)
        {
            in = con.getInputStream();
            jsonStr = getResult(in);
        }

        return jsonStr;
    }

    private static String getResult(InputStream in) throws IOException
    {
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        int len = 0;
        byte[] arr = new byte[1024];
        while ((len = in.read(arr)) != -1)
        {
            bos.write(arr,0,len);
        }
        String str = new String(bos.toByteArray(),"utf-8");
        return str;
    }
    
    public static Paramz getParamz(String path) throws IOException, JSONException
    {
        Paramz paramz = new Paramz();
        
        String json = getJsonStr(path);
        
        JSONObject objJson = new JSONObject(json);
        JSONObject paramzObj = objJson.getJSONObject("paramz");
        paramz.setPageIndex(paramzObj.getInt("PageIndex"));
        paramz.setPageSize(paramzObj.getInt("PageSize"));
        paramz.setTotalCount(paramzObj.getInt("TotalCount"));
        paramz.setTotalPage(paramzObj.getInt("TotalPage"));
        
        JSONArray array = paramzObj.getJSONArray("feeds");
        List<Feeds> list = new ArrayList<Feeds>();
        for(int i = 0;i<array.length();i++)
        {
            JSONObject obj = array.getJSONObject(i);
            Feeds feed = new Feeds();
            feed.setId(obj.getInt("id"));
            feed.setOid(obj.getInt("oid"));
            feed.setCategory(obj.getString("category"));
            JSONObject dataObj = obj.getJSONObject("data");
            Data data = new Data();
            data.setSubject(dataObj.getString("subject"));
            data.setSummary(dataObj.getString("summary"));
            data.setCover(dataObj.getString("cover"));
            data.setFormat(dataObj.getString("format"));
            data.setChanged(dataObj.getString("changed"));
            feed.setData(data);
            list.add(feed);
        }
        paramz.setList(list);
        return paramz;
        
    }
}

package json;

import java.io.IOException;

import org.json.JSONException;

public class Test
{
    public static void main(String[] args) throws IOException, JSONException
    {
        String path = "http://litchiapi.jstv.com/api/GetFeeds?column=0&PageSize=100&pageIndex=1&val=100511D3BE5301280E0992C73A9DEC41";
        Paramz paramz = HttpUtils.getParamz(path);
        System.out.println(paramz);
    }
}