Read json string from url and create Json object - Java Network

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Description

Read json string from url and create Json object

Demo Code

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.net.URL;
import java.nio.charset.Charset;

import org.json.JSONException;

import org.json.JSONObject;

public class JsonReader {

    private static String readAll(Reader rd) throws IOException {
        StringBuilder sb = new StringBuilder();
        int cp;/*w w  w .j  ava2 s .co  m*/
        while ((cp = rd.read()) != -1) {
            sb.append((char) cp);
        }
        return sb.toString();
    }

    public static JSONObject readJsonFromUrl(String url)
            throws IOException, JSONException {
        InputStream is = new URL(url).openStream();
        try {
            BufferedReader rd = new BufferedReader(new InputStreamReader(
                    is, Charset.forName("UTF-8")));
            String jsonText = readAll(rd);
            JSONObject json = new JSONObject(jsonText);
            return json;
        } finally {
            is.close();
        }
    }

    public static void main(String[] args) throws IOException,
            JSONException {
        JSONObject json = readJsonFromUrl("http://www.ebay.com");
        System.out.println(json.toString());
        System.out.println(json.get("id"));
    }
}

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