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GNU General Public License
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/* * Copyright (C) 2012 David Brodsky//from w w w .ja v a 2s . c om * This file is part of Open BART. * * Open BART 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. * * Open BART 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 Open BART. If not, see <http://www.gnu.org/licenses/>. */ package pro.dbro.bart; import java.io.BufferedReader; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.InputStreamReader; import org.apache.http.HttpResponse; import org.apache.http.HttpStatus; import org.apache.http.StatusLine; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpGet; import org.apache.http.impl.client.DefaultHttpClient; import android.app.Activity; import android.content.Intent; import android.os.AsyncTask; import android.support.v4.content.LocalBroadcastManager; import android.util.Log; public class RequestTask extends AsyncTask<String, String, String> { //allow data passing to calling activity String request; boolean updateUI; RequestTask(String request, boolean updateUI) { super(); this.request = request; this.updateUI = updateUI; } @Override protected String doInBackground(String... uri) { if(BART.USE_LOCAL_RESPONSES){ Log.d("RequestTask","Using local responses"); try { String filename = null; if (request.compareTo("etd") == 0) filename = "problem_etd.aspx.xml"; else filename = "problem_sched.aspx.xml"; BufferedReader r = new BufferedReader(new InputStreamReader((TheActivity.c.getAssets().open(filename)))); StringBuilder total = new StringBuilder(); String line; while ((line = r.readLine()) != null) { total.append(line); } return total.toString(); } catch (IOException e) { e.printStackTrace(); } } HttpClient httpclient = new DefaultHttpClient(); HttpResponse response; String responseString = null; try { String url = uri[0]; response = httpclient.execute(new HttpGet(uri[0])); StatusLine statusLine = response.getStatusLine(); if(statusLine.getStatusCode() == HttpStatus.SC_OK){ ByteArrayOutputStream out = new ByteArrayOutputStream(); response.getEntity().writeTo(out); out.close(); responseString = out.toString(); } else{ //Closes the connection. response.getEntity().getContent().close(); throw new IOException(statusLine.getReasonPhrase()); } } catch (ClientProtocolException e) { //TODO Handle problems.. return "error"; } catch (IOException e) { Log.v("RequestTask", e.toString()); return "error"; //TODO Handle problems.. } return responseString; } @Override protected void onPostExecute(String result) { sendMessage(result); super.onPostExecute(result); } private void sendMessage(String result) { // 0 = service stopped , 1 = service started, 2 = refresh view with call to bartApiRequest(), 3 = int status = 3; // hardcode status for calling TheActivity.parseBart //Log.d("BART_Response", result); Intent intent = new Intent("service_status_change"); // You can also include some extra data. intent.putExtra("status", status); intent.putExtra("result", result); intent.putExtra("request", request); intent.putExtra("updateUI", updateUI); LocalBroadcastManager.getInstance(TheActivity.c).sendBroadcast(intent); } }