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package net.oni2.aeinstaller.backend.network; |
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|
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import java.io.BufferedReader; |
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import java.io.IOException; |
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import java.io.InputStreamReader; |
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import java.io.UnsupportedEncodingException; |
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|
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import org.apache.http.HttpEntity; |
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import org.apache.http.HttpResponse; |
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import org.apache.http.client.methods.HttpGet; |
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import org.apache.http.client.methods.HttpRequestBase; |
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import org.apache.http.impl.client.DefaultHttpClient; |
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import org.apache.http.util.EntityUtils; |
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import org.json.JSONArray; |
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import org.json.JSONException; |
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import org.json.JSONObject; |
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|
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/** |
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* @author Christian Illy |
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*/ |
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public class DrupalJSONQuery { |
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|
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/** |
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* Get the JSON array found at the given url |
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* |
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* @param url |
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* URL to look at for the JSON data |
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* @return JSON array of data |
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* @throws Exception |
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* On HTTP status code <200 / >299 |
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*/ |
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public static JSONArray executeQuery(String url) throws Exception { |
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BufferedReader input = null; |
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HttpRequestBase httpQuery = null; |
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|
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try { |
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DefaultHttpClient httpclient = new DefaultHttpClient(); |
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httpQuery = new HttpGet(url); |
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|
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HttpResponse response = httpclient.execute(httpQuery); |
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|
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int code = response.getStatusLine().getStatusCode(); |
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if ((code > 299) || (code < 200)) { |
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throw new Exception(String.format( |
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"Error fetching content (HTTP status code %d).", code)); |
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} |
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|
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HttpEntity entity = response.getEntity(); |
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|
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input = new BufferedReader(new InputStreamReader( |
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entity.getContent())); |
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StringBuffer json = new StringBuffer(); |
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|
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char data[] = new char[1024]; |
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int dataRead; |
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while ((dataRead = input.read(data, 0, 1024)) != -1) { |
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json.append(data, 0, dataRead); |
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} |
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|
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EntityUtils.consume(entity); |
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|
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JSONArray jA = null; |
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if (json.charAt(0) == '{') { |
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jA = new JSONArray(); |
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jA.put(new JSONObject(json.toString())); |
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} else |
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jA = new JSONArray(json.toString()); |
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|
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return jA; |
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} catch (JSONException e) { |
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e.printStackTrace(); |
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} catch (UnsupportedEncodingException e) { |
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e.printStackTrace(); |
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} catch (IOException e) { |
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e.printStackTrace(); |
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} finally { |
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if (httpQuery != null) |
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httpQuery.releaseConnection(); |
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if (input != null) { |
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try { |
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input.close(); |
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} catch (IOException e) { |
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e.printStackTrace(); |
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} |
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} |
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} |
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return null; |
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} |
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} |
