com.cybrosys.currency.Currency_JSONParsor.java Source code

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Here is the source code for com.cybrosys.currency.Currency_JSONParsor.java

Source

/**
 * <Palmcalc is a multipurpose application consisting of calculators, converters
 * and world clock> Copyright (C) <2013> <Cybrosys Technologies pvt. ltd.>
 * 
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 **/

package com.cybrosys.currency;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONException;
import org.json.JSONObject;

// This class is used to get the Currency values from the URL -
// via JSON Parsing Method.
public class Currency_JSONParsor {
    static InputStream is = null;
    static JSONObject jobj = null;
    static String json = "";

    public Currency_JSONParsor() {
    }

    // used to get the currency values as JsonObject from the corresponding URL.
    public JSONObject getJSONformUrl(String url) {
        try {
            DefaultHttpClient httpClient = new DefaultHttpClient();
            HttpPost httpPost = new HttpPost(url);

            HttpResponse httpResponse = httpClient.execute(httpPost);
            HttpEntity httpEntity = httpResponse.getEntity();
            is = httpEntity.getContent();
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        } catch (ClientProtocolException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        try {
            BufferedReader reader = new BufferedReader(new InputStreamReader(is, "iso-8859-1"), 8);
            StringBuilder sb = new StringBuilder();
            String line = null;

            while ((line = reader.readLine()) != null) {
                sb.append(line + "\n");
            }
            is.close();
            json = sb.toString();
        } catch (IOException e) {

            e.printStackTrace();
        }
        try {
            jobj = new JSONObject(json);
        } catch (JSONException e) {
            e.printStackTrace();
        }
        return jobj;
    }
}