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:tw.idv.gasolin.pycontw2012.util.BitmapUtils.java

/**
 * Only call this method from the main (UI) thread. The
 * {@link OnFetchCompleteListener} callback be invoked on the UI thread, but
 * image fetching will be done in an {@link AsyncTask}.
 * //from w w w .j a  v a  2 s.  c om
 * @param cookie
 *            An arbitrary object that will be passed to the callback.
 */
public static void fetchImage(final Context context, final String url,
        final BitmapFactory.Options decodeOptions, final Object cookie,
        final OnFetchCompleteListener callback) {
    new AsyncTask<String, Void, Bitmap>() {
        @Override
        protected Bitmap doInBackground(String... params) {
            final String url = params[0];
            if (TextUtils.isEmpty(url)) {
                return null;
            }

            // First compute the cache key and cache file path for this URL
            File cacheFile = null;
            try {
                MessageDigest mDigest = MessageDigest.getInstance("SHA-1");
                mDigest.update(url.getBytes());
                final String cacheKey = bytesToHexString(mDigest.digest());
                if (Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) {
                    cacheFile = new File(Environment.getExternalStorageDirectory() + File.separator + "Android"
                            + File.separator + "data" + File.separator + context.getPackageName()
                            + File.separator + "cache" + File.separator + "bitmap_" + cacheKey + ".tmp");
                }
            } catch (NoSuchAlgorithmException e) {
                // Oh well, SHA-1 not available (weird), don't cache
                // bitmaps.
            }

            if (cacheFile != null && cacheFile.exists()) {
                Bitmap cachedBitmap = BitmapFactory.decodeFile(cacheFile.toString(), decodeOptions);
                if (cachedBitmap != null) {
                    return cachedBitmap;
                }
            }

            try {
                // TODO: check for HTTP caching headers
                final HttpClient httpClient = SyncService.getHttpClient(context.getApplicationContext());
                final HttpResponse resp = httpClient.execute(new HttpGet(url));
                final HttpEntity entity = resp.getEntity();

                final int statusCode = resp.getStatusLine().getStatusCode();
                if (statusCode != HttpStatus.SC_OK || entity == null) {
                    return null;
                }

                final byte[] respBytes = EntityUtils.toByteArray(entity);

                // Write response bytes to cache.
                if (cacheFile != null) {
                    try {
                        cacheFile.getParentFile().mkdirs();
                        cacheFile.createNewFile();
                        FileOutputStream fos = new FileOutputStream(cacheFile);
                        fos.write(respBytes);
                        fos.close();
                    } catch (FileNotFoundException e) {
                        Log.w(TAG, "Error writing to bitmap cache: " + cacheFile.toString(), e);
                    } catch (IOException e) {
                        Log.w(TAG, "Error writing to bitmap cache: " + cacheFile.toString(), e);
                    }
                }

                // Decode the bytes and return the bitmap.
                return BitmapFactory.decodeByteArray(respBytes, 0, respBytes.length, decodeOptions);
            } catch (Exception e) {
                Log.w(TAG, "Problem while loading image: " + e.toString(), e);
            }
            return null;
        }

        @Override
        protected void onPostExecute(Bitmap result) {
            callback.onFetchComplete(cookie, result);
        }
    }.execute(url);
}

---

From source file:com.navnorth.learningregistry.LRClient.java

public static String executeHttpGet(String url) throws Exception {
    BufferedReader in = null;//  w ww.  j ava2  s .com
    try {
        URI uri = new URI(url);
        HttpClient client = getHttpClient(uri.getScheme());
        HttpGet request = new HttpGet(uri);

        HttpResponse response = client.execute(request);
        in = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
        StringBuffer sb = new StringBuffer("");
        String line = "";
        String NL = System.getProperty("line.separator");
        while ((line = in.readLine()) != null) {
            sb.append(line + NL);
        }
        in.close();
        String result = sb.toString();
        return result;
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}

---

From source file:com.navnorth.learningregistry.LRClient.java

public static String executeJsonGet(String url) throws Exception {
    BufferedReader in = null;/*from w ww .j  a  v  a2 s . c  o  m*/
    try {
        URI uri = new URI(url);
        HttpClient client = getHttpClient(uri.getScheme());
        HttpGet request = new HttpGet(uri);

        HttpResponse response = client.execute(request);
        in = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
        StringBuffer sb = new StringBuffer("");
        String line = "";
        String NL = System.getProperty("line.separator");
        while ((line = in.readLine()) != null) {
            sb.append(line + NL);
        }
        in.close();
        String result = sb.toString();
        return result;
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}

---

From source file:co.cask.tigon.test.SQLFlowTestBase.java

/**
 * This function returns the output data packets generated by the given flow
 * @param outputClass {@link java.lang.Class} of the output type object
 * @param <T> The output type object class
 * @return An instance of the output type object
 * @throws IOException/* w w  w.  j  a v a2  s.  c  o m*/
 */
public static <T> T getDataPacket(Class<T> outputClass) throws IOException {
    HttpClient httpClient = new DefaultHttpClient();
    HttpGet httpGet = new HttpGet(serviceURL + "/poll");
    HttpResponse response = httpClient.execute(httpGet);
    if (response.getStatusLine().getStatusCode() != 200) {
        return null;
    }
    String serializedDataPacket = EntityUtils.toString(response.getEntity(), Charsets.UTF_8);
    return GSON.fromJson(serializedDataPacket, outputClass);
}

---

From source file:com.android.exchange.EasResponse.java

public static EasResponse fromHttpRequest(EmailClientConnectionManager connManager, HttpClient client,
        HttpUriRequest request) throws IOException {
    final long reqTime = System.currentTimeMillis();
    final HttpResponse response = client.execute(request);
    return new EasResponse(response, connManager, reqTime);
}

---

From source file:com.mashape.unirest.android.http.HttpClientHelper.java

public static <T> HttpResponse<T> request(HttpRequest request, Class<T> responseClass) throws UnirestException {
    HttpRequestBase requestObj = prepareRequest(request, false);
    HttpClient client = ClientFactory.getHttpClient(); // The
    // DefaultHttpClient
    // is thread-safe

    org.apache.http.HttpResponse response;
    try {/*from w w  w .j a v a2 s  .  co  m*/
        response = client.execute(requestObj);
        HttpResponse<T> httpResponse = new HttpResponse<T>(response, responseClass);
        return httpResponse;
    } catch (Exception e) {
        throw new UnirestException(e);
    }
}

---

From source file:it410.gmu.edu.OrderingServiceClient.java

public static void addCustomerJSON(Customer customer) throws IOException {

    Gson gson = new Gson();
    String customerString = gson.toJson(customer);
    System.out.println("Customer JSON = " + customerString);

    HttpClient client = new DefaultHttpClient();

    HttpPost post = new HttpPost("http://localhost:8080/BookstoreRestService/generic/addOrderJSON");
    post.setHeader("Content-Type", "application/json");
    StringEntity entity = new StringEntity(customerString);
    post.setEntity(entity);//from  w w w. jav a2  s .  c om
    HttpResponse response = client.execute(post);

    BufferedReader rd = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
    String line = "";
    while ((line = rd.readLine()) != null) {
        System.out.println(line);
    }

}

---

From source file:com.foobnix.api.vkontakte.VkOld.java

public static List<VkAudio> searchAll(String text, Context context) throws VKAuthorizationException {

    List<NameValuePair> params = new ArrayList<NameValuePair>();
    params.add(new BasicNameValuePair("q", text));
    params.add(new BasicNameValuePair("count", "100"));
    params.add(new BasicNameValuePair("access_token", Pref.getStr(context, Pref.VKONTAKTE_TOKEN)));

    String paramsList = URLEncodedUtils.format(params, "UTF-8");
    HttpGet request = new HttpGet(API_URL + "audio.search?" + paramsList);

    HttpClient client = new DefaultHttpClient();
    HttpResponse response;//  ww w.  ja va  2s. c  om
    List<VkAudio> result = null;
    try {
        response = client.execute(request);

        HttpEntity entity = response.getEntity();
        String jString = EntityUtils.toString(entity);

        if (jString.contains("error_code")) {
            throw new VKAuthorizationException("VK connection Erorr");
        }

        LOG.d(jString);

        result = JSONHelper.parseVKSongs(jString);
    } catch (ClientProtocolException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (JSONException e) {
        e.printStackTrace();
    }

    try {
        Thread.sleep(500);
    } catch (InterruptedException e) {
        e.printStackTrace();
    }

    return result;

}

---

From source file:edu.umn.msi.tropix.transfer.http.client.HttpTransferClients.java

static HttpResponse execute(final HttpClient client, final HttpUriRequest request) {
    try {/*from w  w  w  . j ava  2  s. com*/
        final HttpResponse response = client.execute(request);
        int statusCode = response.getStatusLine().getStatusCode();
        if (statusCode != 200) {
            throw new RuntimeException("Transfer failed - server returned response code " + statusCode);
        }
        return response;
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

---

From source file:org.meshpoint.anode.util.ModuleUtils.java

public static File getResource(URI httpUri, String filename) throws IOException {
    /* download */
    HttpClient http = new DefaultHttpClient();
    HttpGet request = new HttpGet();
    request.setURI(httpUri);/*from   w ww  .  j av a 2  s  .c  om*/
    HttpEntity entity = http.execute(request).getEntity();
    InputStream in = entity.getContent();
    File destination = new File(resourceDir, filename);
    FileOutputStream out = new FileOutputStream(destination);
    byte[] buf = new byte[1024];
    int read;
    while ((read = in.read(buf)) != -1) {
        out.write(buf, 0, read);
    }
    in.close();
    out.flush();
    out.close();
    return destination;
}

---

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