JSONParser.java

package com.v2ex.v2droid;

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.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.util.Log;

public class JSONParser {

	private final static String TAG = "JSONParser";
	static InputStream is = null;
	static JSONObject jObj = null;
	static JSONArray jArray = null;
	static String json = "";

	// constructor
	public JSONParser() {

	}

	public JSONObject getJSONFromUrl(String url) {

		// Making HTTP request
		try {
			// defaultHttpClient
			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 (Exception e) {
			Log.e("Buffer Error", "Error converting result " + e.toString());
		}

		// try parse the string to a JSON object
		try {
			jObj = new JSONObject(json);
		} catch (JSONException e) {
			Log.e("JSON Parser", "Error parsing data " + e.toString());
		}

		// return JSON String
		return jObj;

	}

	public JSONArray getJSONArrayFromUrl(String url) throws Exception {
		//StringBuilder builder = new StringBuilder();
		HttpClient client = new DefaultHttpClient();
		HttpGet httpGet = new HttpGet(url);
		String result = null;
		try {
			HttpResponse response = client.execute(httpGet);
			result = EntityUtils.toString(response.getEntity());

			/*
			 * StatusLine statusLine = response.getStatusLine(); int statusCode
			 * = statusLine.getStatusCode(); if (statusCode == 200) { HttpEntity
			 * entity = response.getEntity(); InputStream content =
			 * entity.getContent(); BufferedReader reader = new
			 * BufferedReader(new InputStreamReader(content)); String line;
			 * while ((line = reader.readLine()) != null) {
			 * builder.append(line); } } else { Log.e(TAG,
			 * "Failed to download file"); }
			 */
		} catch (ClientProtocolException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}

		Log.e(TAG, result);
		//jArray = new JSONArray(result);

		return jArray;
	}
}