Example usage for org.apache.http.client HttpClient execute

Introduction

In this page you can find the example usage for org.apache.http.client HttpClient execute.

Prototype

HttpResponse execute(HttpUriRequest request) throws IOException, ClientProtocolException;

Source Link

Document

Executes HTTP request using the default context.

Usage

From source file:com.book.jtm.chap03.HttpClientDemo.java

public static void sendGetRequest(String url) throws IOException {
    HttpClient httpclient = new DefaultHttpClient(defaultHttpParams());
    HttpGet httpget = new HttpGet(url);
    // Header//from  w  ww  .j  a  v  a2s  .c o  m
    httpget.addHeader("Connection", "Keep-Alive");
    HttpResponse response;
    response = httpclient.execute(httpget);
    HttpEntity entity = response.getEntity();
    if (entity != null) {
        InputStream instream = entity.getContent();
        String result = convertStreamToString(instream);
        Log.e("", "###  : " + result);
        instream.close();
    }
}

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From source file:com.markwatson.linkeddata.DBpediaLookupClientJson.java

public static String lookup(String query) {
    StringBuffer sb = new StringBuffer();
    try {/*from  www . j av  a2 s.com*/
        HttpClient httpClient = new DefaultHttpClient();
        String query2 = query.replaceAll(" ", "+");
        HttpGet getRequest = new HttpGet(
                "http://lookup.dbpedia.org/api/search.asmx/KeywordSearch?QueryString=" + query2);
        getRequest.addHeader("accept", "application/json");
        HttpResponse response = httpClient.execute(getRequest);
        if (response.getStatusLine().getStatusCode() != 200)
            return "Server error";

        BufferedReader br = new BufferedReader(new InputStreamReader((response.getEntity().getContent())));
        String line;
        while ((line = br.readLine()) != null) {
            sb.append(line);
        }
        httpClient.getConnectionManager().shutdown();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return sb.toString();
}

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From source file:de.yaio.commons.http.HttpUtils.java

/** 
 * execute the prepared Request//from w  w w.j  a v  a2s.com
 * @param request                request to call
 * @param username               username for auth
 * @param password               password for auth
 * @return                       HttpResponse
 * @throws ClientProtocolException possible Exception if Request-state <200 > 299 
 * @throws IOException            possible Exception if Request-state <200 > 299
 */
public static HttpResponse executeRequest(final HttpUriRequest request, final String username,
        final String password) throws ClientProtocolException, IOException {
    CredentialsProvider provider = new BasicCredentialsProvider();
    UsernamePasswordCredentials credentials = new UsernamePasswordCredentials(username, password);
    provider.setCredentials(AuthScope.ANY, credentials);
    HttpClient client = HttpClientBuilder.create().setDefaultCredentialsProvider(provider).build();

    HttpResponse response = client.execute(request);
    return response;
}

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From source file:com.oliversride.wordryo.UpdateCheckReceiver.java

private static String runPost(HttpPost post, JSONObject params) {
    String result = null;//from   www. j a  v a  2  s. c  om
    try {
        String jsonStr = params.toString();
        List<NameValuePair> nvp = new ArrayList<NameValuePair>();
        nvp.add(new BasicNameValuePair(k_PARAMS, jsonStr));
        post.setEntity(new UrlEncodedFormEntity(nvp));

        // Execute HTTP Post Request
        HttpClient httpclient = new DefaultHttpClient();
        HttpResponse response = httpclient.execute(post);
        HttpEntity entity = response.getEntity();
        if (null != entity) {
            result = EntityUtils.toString(entity);
            if (0 == result.length()) {
                result = null;
            }
        }
    } catch (java.io.UnsupportedEncodingException uee) {
        DbgUtils.loge(uee);
    } catch (java.io.IOException ioe) {
        DbgUtils.loge(ioe);
    }
    return result;
}

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From source file:com.harshad.linconnectclient.NotificationUtilities.java

public static boolean sendData(Context c, Notification n, String packageName) {
    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(c);

    ConnectivityManager connManager = (ConnectivityManager) c.getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo mWifi = connManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);

    // Check Wifi state, whether notifications are enabled globally, and
    // whether notifications are enabled for specific application
    if (prefs.getBoolean("pref_toggle", true) && prefs.getBoolean(packageName, true) && mWifi.isConnected()) {
        String ip = prefs.getString("pref_ip", "0.0.0.0:9090");

        // Magically extract text from notification
        ArrayList<String> notificationData = NotificationUtilities.getNotificationText(n);

        // Use PackageManager to get application name and icon
        final PackageManager pm = c.getPackageManager();
        ApplicationInfo ai;/*w w w .  j a  va  2 s .  c  om*/
        try {
            ai = pm.getApplicationInfo(packageName, 0);
        } catch (final NameNotFoundException e) {
            ai = null;
        }

        String notificationBody = "";
        String notificationHeader = "";
        // Create header and body of notification
        if (notificationData.size() > 0) {
            notificationHeader = notificationData.get(0);
            if (notificationData.size() > 1) {
                notificationBody = notificationData.get(1);
            }
        } else {
            return false;
        }

        for (int i = 2; i < notificationData.size(); i++) {
            notificationBody += "\n" + notificationData.get(i);
        }

        // Append application name to body
        if (pm.getApplicationLabel(ai) != null) {
            if (notificationBody.isEmpty()) {
                notificationBody = "via " + pm.getApplicationLabel(ai);
            } else {
                notificationBody += " (via " + pm.getApplicationLabel(ai) + ")";
            }
        }

        // Setup HTTP request
        MultipartEntity entity = new MultipartEntity(HttpMultipartMode.BROWSER_COMPATIBLE);

        // If the notification contains an icon, use it
        if (n.largeIcon != null) {
            entity.addPart("notificon",
                    new InputStreamBody(ImageUtilities.bitmapToInputStream(n.largeIcon), "drawable.png"));
        }
        // Otherwise, use the application's icon
        else {
            entity.addPart("notificon",
                    new InputStreamBody(
                            ImageUtilities.bitmapToInputStream(
                                    ImageUtilities.drawableToBitmap(pm.getApplicationIcon(ai))),
                            "drawable.png"));
        }

        HttpPost post = new HttpPost("http://" + ip + "/notif");
        post.setEntity(entity);

        try {
            post.addHeader("notifheader", Base64.encodeToString(notificationHeader.getBytes("UTF-8"),
                    Base64.URL_SAFE | Base64.NO_WRAP));
            post.addHeader("notifdescription", Base64.encodeToString(notificationBody.getBytes("UTF-8"),
                    Base64.URL_SAFE | Base64.NO_WRAP));
        } catch (UnsupportedEncodingException e) {
            post.addHeader("notifheader",
                    Base64.encodeToString(notificationHeader.getBytes(), Base64.URL_SAFE | Base64.NO_WRAP));
            post.addHeader("notifdescription",
                    Base64.encodeToString(notificationBody.getBytes(), Base64.URL_SAFE | Base64.NO_WRAP));
        }

        // Send HTTP request
        HttpClient client = new DefaultHttpClient();
        HttpResponse response;
        try {
            response = client.execute(post);
            String html = EntityUtils.toString(response.getEntity());
            if (html.contains("true")) {
                return true;
            }
        } catch (ClientProtocolException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }
    return false;
}

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From source file:com.websqrd.catbot.scraping.HttpHandler.java

public static String executeGet(String url, String encoding) {
    String resultString = "";
    HttpClient httpclient = new DefaultHttpClient();
    InputStream is = null;//from w w  w  . ja  v a  2 s.  c o m
    ByteArrayOutputStream baos = null;
    try {
        HttpGet httget = new HttpGet(url);
        HttpResponse response = httpclient.execute(httget);
        HttpEntity entity = response.getEntity();
        Header header = entity.getContentType();
        String type = header.getValue().toLowerCase();
        baos = new ByteArrayOutputStream();
        if (type.startsWith("text/html")) {
            byte[] buf = new byte[1024];
            is = entity.getContent();
            for (int rlen = 0; (rlen = is.read(buf, 0, buf.length)) > 0;) {
                baos.write(buf, 0, rlen);
            }
            resultString = new String(baos.toByteArray(), encoding);
        }

    } catch (Exception e) {
        logger.error("", e);
    } finally {
        if (is != null)
            try {
                is.close();
            } catch (IOException e) {
            }
        if (baos != null)
            try {
                baos.close();
            } catch (IOException e) {
            }
    }

    return resultString;
}

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From source file:com.appdynamics.openstack.nova.RestClient.java

static String doDelete(String url, String token) throws Exception {
    HttpClient httpClient = httpClientWithTrustManager();

    HttpDelete delete = new HttpDelete(url);
    delete.addHeader("accept", xmlContentType);
    delete.addHeader("X-Auth-Token", token);

    HttpResponse response = httpClient.execute(delete);

    return getResponseString(httpClient, response);
}

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From source file:org.openjena.riot.web.HttpOp.java

/** GET
 *  <p>The acceptHeader string is any legal value for HTTP Accept: field.
 *  <p>The handlers are the set of content types (without charset),
 *  used to dispatch the response body for handling.
 *  <p>A Map entry of ("*",....) is used "no handler found".
 *  <p>HTTP responses 400 and 500 become exceptions.   
 *//* www. java  2s  .  com*/
public static void execHttpGet(String url, String acceptHeader, Map<String, HttpResponseHandler> handlers) {
    try {
        long id = counter.incrementAndGet();
        String requestURI = determineRequestURI(url);
        String baseIRI = determineBaseIRI(requestURI);

        HttpGet httpget = new HttpGet(requestURI);
        if (log.isDebugEnabled())
            log.debug(format("[%d] %s %s", id, httpget.getMethod(), httpget.getURI().toString()));
        // Accept
        if (acceptHeader != null)
            httpget.addHeader(HttpNames.hAccept, acceptHeader);

        // Execute
        HttpClient httpclient = new DefaultHttpClient();
        HttpResponse response = httpclient.execute(httpget);
        // Handle response
        httpResponse(id, response, baseIRI, handlers);
        httpclient.getConnectionManager().shutdown();
    } catch (IOException ex) {
        ex.printStackTrace(System.err);
    }
}

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From source file:com.arvos.arviewer.ArvosHttpRequest.java

private static InputStream openHttpGETConnection(String url) throws Exception {
    InputStream inputStream = null;

    HttpClient httpclient = new DefaultHttpClient();
    HttpResponse httpResponse = httpclient.execute(new HttpGet(url));
    inputStream = httpResponse.getEntity().getContent();

    return inputStream;
}

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From source file:grandroid.geo.Geocoder.java

public static double[] getLocationFromString(String address) throws JSONException {
    try {/*from w w  w . j ava  2 s .c  o  m*/
        HttpGet httpGet = new HttpGet("http://maps.google.com/maps/api/geocode/json?address="
                + URLEncoder.encode(address, "UTF-8") + "&ka&sensor=false");
        HttpClient client = new DefaultHttpClient();
        HttpResponse response;
        StringBuilder stringBuilder = new StringBuilder();

        try {
            response = client.execute(httpGet);
            HttpEntity entity = response.getEntity();
            InputStream stream = entity.getContent();
            int b;
            while ((b = stream.read()) != -1) {
                stringBuilder.append((char) b);
            }
        } catch (ClientProtocolException e) {
        } catch (IOException e) {
        }

        JSONObject jsonObject = new JSONObject();
        jsonObject = new JSONObject(stringBuilder.toString());

        double lng = ((JSONArray) jsonObject.get("results")).getJSONObject(0).getJSONObject("geometry")
                .getJSONObject("location").getDouble("lng");

        double lat = ((JSONArray) jsonObject.get("results")).getJSONObject(0).getJSONObject("geometry")
                .getJSONObject("location").getDouble("lat");

        return new double[] { lat, lng };
    } catch (UnsupportedEncodingException ex) {
        Log.e("grandroid", null, ex);
        return new double[] { 0, 0 };
    }
}

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