Example usage for java.net HttpURLConnection connect

List of usage examples for java.net HttpURLConnection connect

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Introduction

In this page you can find the example usage for java.net HttpURLConnection connect.

Prototype

public abstract void connect() throws IOException;

Source Link

Document

Opens a communications link to the resource referenced by this URL, if such a connection has not already been established.

Usage

From source file:com.entertailion.android.slideshow.utils.Utils.java

/**
 * Create a bitmap from a image URL.//from  www . ja  va  2s . com
 * 
 * @param src
 * @return
 */
public static final Bitmap getBitmapFromURL(String src) {
    try {
        URL url = new URL(src);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setDoInput(true);
        connection.connect();
        InputStream input = connection.getInputStream();
        Bitmap myBitmap = BitmapFactory.decodeStream(input);
        int size = Math.max(myBitmap.getWidth(), myBitmap.getHeight());
        Bitmap b = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
        Canvas c = new Canvas(b);
        Paint paint = new Paint();
        paint.setAntiAlias(true);
        c.drawBitmap(myBitmap, (size - myBitmap.getWidth()) / 2, (size - myBitmap.getHeight()) / 2, paint);
        return b;
    } catch (Exception e) {
        Log.e(LOG_TAG, "Faild to get the image from URL:" + src, e);
        return null;
    }
}

From source file:com.magnet.plugin.common.helpers.URLHelper.java

public static InputStream loadUrl(final String url) throws Exception {
    final InputStream[] inputStreams = new InputStream[] { null };
    final Exception[] exception = new Exception[] { null };
    Future<?> downloadThreadFuture = ApplicationManager.getApplication().executeOnPooledThread(new Runnable() {
        public void run() {
            try {
                HttpURLConnection connection;
                if (ApplicationManager.getApplication() != null) {
                    connection = HttpConfigurable.getInstance().openHttpConnection(url);
                } else {
                    connection = (HttpURLConnection) new URL(url).openConnection();
                    connection.setReadTimeout(CONNECTION_TIMEOUT);
                    connection.setConnectTimeout(CONNECTION_TIMEOUT);
                }/*from www .j  a  v a 2  s  . co m*/
                connection.connect();

                inputStreams[0] = connection.getInputStream();
            } catch (IOException e) {
                exception[0] = e;
            }
        }
    });

    try {
        downloadThreadFuture.get(5, TimeUnit.SECONDS);
    } catch (TimeoutException ignored) {
    }

    if (!downloadThreadFuture.isDone()) {
        downloadThreadFuture.cancel(true);
        throw new Exception(IdeBundle.message("updates.timeout.error"));
    }

    if (exception[0] != null)
        throw exception[0];
    return inputStreams[0];
}

From source file:com.dynamobi.db.conn.couchdb.CouchUdx.java

/**
 * Helper function gets the rows from the foreign CouchDB server and returns
 * them as a JSONArray./*w  ww .ja  v a2 s. com*/
 */
private static InputStreamReader getViewStream(String user, String pw, String url, String view, String limit,
        boolean reduce, String groupLevel, boolean hasReducer) throws SQLException {
    String full_url = "";
    try {
        // TODO: stringbuffer this for efficiency
        full_url = makeUrl(url, view);
        String sep = (view.indexOf("?") == -1) ? "?" : "&";
        if (limit != null && limit.length() > 0) {
            full_url += sep + "limit=" + limit;
            sep = "&";
        }

        // These options only apply if a reducer function is present.
        if (hasReducer) {
            if (!reduce) {
                full_url += sep + "reduce=false";
                if (sep.equals("?"))
                    sep = "&";
            }
            if (groupLevel.toUpperCase().equals("EXACT"))
                full_url += sep + "group=true";
            else if (groupLevel.toUpperCase().equals("NONE"))
                full_url += sep + "group=false";
            else
                full_url += sep + "group_level=" + groupLevel;
        }

        logger.log(Level.FINE, "Attempting CouchDB request with URL: " + full_url);

        URL u = new URL(full_url);
        HttpURLConnection uc = (HttpURLConnection) u.openConnection();
        if (user != null && user.length() > 0) {
            uc.setRequestProperty("Authorization", "Basic " + buildAuthHeader(user, pw));
        }
        uc.connect();
        return new InputStreamReader(uc.getInputStream());

    } catch (MalformedURLException e) {
        throw new SQLException("Bad URL: " + full_url);
    } catch (IOException e) {
        if (hasReducer) { // try again but without the reduce args..
            try {
                return getViewStream(user, pw, url, view, limit, reduce, groupLevel, false);
            } catch (SQLException e2) { // No good.

            }
        }
        throw new SQLException("Could not read data from URL: " + full_url);
    }
}

From source file:net.cbtltd.server.WebService.java

/**
 * Gets the connection to the JSON server.
 *
 * @param url the connection URL./*from   www .j av a2  s  .  com*/
 * @param rq the request object.
 * @return the JSON string returned by the message.
 * @throws Throwable the exception thrown by the method.
 */
private static final String getConnection(URL url, String rq) throws Throwable {
    String jsonString = "";
    HttpURLConnection connection = null;
    try {
        connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("GET");
        //connection.setRequestMethod("POST");
        connection.setDoOutput(true);
        connection.setRequestProperty("Content-Type", "application/json");

        if (rq != null) {
            connection.setRequestProperty("Accept", "application/json");
            connection.connect();
            byte[] outputBytes = rq.getBytes("UTF-8");
            OutputStream os = connection.getOutputStream();
            os.write(outputBytes);
        }

        if (connection.getResponseCode() != 200) {
            throw new RuntimeException("HTTP:" + connection.getResponseCode() + "URL " + url);
        }
        BufferedReader br = new BufferedReader(new InputStreamReader((connection.getInputStream())));
        String line;
        while ((line = br.readLine()) != null) {
            jsonString += line;
        }
    } catch (Throwable x) {
        throw new RuntimeException(x.getMessage());
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
    }
    return jsonString;
}

From source file:com.crawler.app.run.CrawlSiteController.java

public static Boolean checkWebSite(URL url) {
    HttpURLConnection connection;
    int code = 0;
    try {//from  w  w w. ja  v  a 2  s . c  o m
        connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("GET");
        connection.connect();
        code = connection.getResponseCode();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    if (code == 200) {
        return true;
    } else {
        return false;
    }

}

From source file:eu.liveandgov.ar.utilities.Download_Data.java

/**                      DownAndCopy
 * //from  w  w w. j a v a 2 s.  com
 * Download file from URL and Copy to Android file system folder
 * 
 * @param fileUrl
 * @param StringAndroidPath
 */
public static boolean DownAndCopy(String fileUrlSTR, String StringAndroidPath, boolean preservefilename,
        String Caller) {

    if (compareRemoteWithLocal(fileUrlSTR, StringAndroidPath)) {
        //Log.e("fileUrlSTR", "SKIP WITH HASH");
        return true;
    } else {
        Log.e("TRY TO DOWNLOAD BY " + Caller, fileUrlSTR);
    }

    SimpleDateFormat sdf = new SimpleDateFormat("mm");

    // Check if downloaded at least just 2 minutes ago
    for (String[] mem : MemDown)
        if (fileUrlSTR.equals(mem[0])) {
            int diff = Integer.parseInt(sdf.format(new Date())) - Integer.parseInt(mem[1]);
            Log.e("diff", " " + diff);
            if (diff < 2) {
                Log.d("Download_Data", "I am not downloading " + fileUrlSTR + " because it was downloaded "
                        + diff + " minutes ago");
                return true;
            }
        }

    if (!OS_Utils.exists(fileUrlSTR)) {
        Log.e("Download_Data", "URL: " + fileUrlSTR + " called from " + Caller + " not exists to copy it to "
                + StringAndroidPath);
        return false;
    }

    int DEBUG_FLAG = 0;

    HttpURLConnection conn;
    URL fileUrl = null;
    try {
        fileUrl = new URL(fileUrlSTR);
    } catch (MalformedURLException e1) {
        return false;
    }

    try {
        conn = (HttpURLConnection) fileUrl.openConnection();

        DEBUG_FLAG = 1;

        conn.setDoInput(true);
        conn.connect();
        InputStream is = conn.getInputStream();
        BufferedInputStream bis = new BufferedInputStream(is);
        ByteArrayBuffer baf = new ByteArrayBuffer(100);

        DEBUG_FLAG = 2;

        int current = 0;
        byte[] buffer = new byte[10];
        while ((current = bis.read(buffer)) != -1)
            baf.append(buffer, 0, current);

        DEBUG_FLAG = 3;

        /* Convert the Bytes read to a String. */
        File fileAndroid;

        try {

            if (preservefilename) {
                int iSlash = fileUrlSTR.lastIndexOf("/");
                fileAndroid = new File(StringAndroidPath + "/" + fileUrlSTR.substring(iSlash + 1));
            } else
                fileAndroid = new File(StringAndroidPath);

        } catch (Exception e) {
            Log.e("Download_Data.DownAndCopy", "I can not create " + StringAndroidPath);
            bis.close();
            conn.disconnect();
            return false;
        }

        DEBUG_FLAG = 4;

        FileOutputStream fos = new FileOutputStream(fileAndroid);
        fos.write(baf.toByteArray());

        DEBUG_FLAG = 5;

        bis.close();
        fos.close();
        conn.disconnect();

        MemDown.add(new String[] { fileUrlSTR, sdf.format(new Date()) });

        return true; //returns including the filename
    } catch (IOException e) {
        Log.e("Download_Data", "Download_Data: Error when trying to download:  " + fileUrl.toString() + " to "
                + StringAndroidPath + " DEBUG_FLAG=" + DEBUG_FLAG);
        return false;
    }

}

From source file:org.immopoly.android.helper.WebHelper.java

public static JSONObject getHttpData(URL url, boolean signed, Context context) throws JSONException {
    JSONObject obj = null;/*from w w w.j  ava2  s.co  m*/
    if (Settings.isOnline(context)) {
        HttpURLConnection request;
        try {

            request = (HttpURLConnection) url.openConnection();

            request.addRequestProperty("User-Agent",
                    "immopoly android client " + ImmopolyActivity.getStaticVersionInfo());
            request.addRequestProperty("Accept-Encoding", "gzip");
            if (signed)
                OAuthData.getInstance(context).consumer.sign(request);
            request.setConnectTimeout(SOCKET_TIMEOUT);

            request.connect();
            String encoding = request.getContentEncoding();

            InputStream in;
            if (encoding != null && encoding.equalsIgnoreCase("gzip")) {
                in = new GZIPInputStream(request.getInputStream());
            } else {
                in = new BufferedInputStream(request.getInputStream());
            }
            String s = readInputStream(in);
            JSONTokener tokener = new JSONTokener(s);
            obj = new JSONObject(tokener);

        } catch (MalformedURLException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (OAuthMessageSignerException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (OAuthExpectationFailedException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (OAuthCommunicationException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
    return obj;
}

From source file:com.talk.demo.util.NetworkUtilities.java

public static void downloadPhoto(final String photoName) {
    // If there is no photo, we're done
    if (TextUtils.isEmpty(photoName)) {
        return;/*w  w  w.  j a  v a  2s  . c  o  m*/
    }

    try {
        Log.i(TAG, "Downloading photo: " + DOWNLOAD_PHOTO_URI);
        // Request the photo from the server, and create a bitmap
        // object from the stream we get back.
        URL url = new URL(DOWNLOAD_PHOTO_URI + photoName + "/");
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.connect();
        try {
            final BitmapFactory.Options options = new BitmapFactory.Options();
            final Bitmap photo = BitmapFactory.decodeStream(connection.getInputStream(), null, options);

            Log.d(TAG, "file name : " + photoName);
            TalkUtil.createDirAndSaveFile(photo, photoName);
            // On pre-Honeycomb systems, it's important to call recycle on bitmaps
            photo.recycle();
        } finally {
            connection.disconnect();
        }
    } catch (MalformedURLException muex) {
        // A bad URL - nothing we can really do about it here...
        Log.e(TAG, "Malformed avatar URL: " + DOWNLOAD_PHOTO_URI);
    } catch (IOException ioex) {
        // If we're unable to download the avatar, it's a bummer but not the
        // end of the world. We'll try to get it next time we sync.
        Log.e(TAG, "Failed to download user avatar: " + DOWNLOAD_PHOTO_URI);
    }
}

From source file:com.illusionaryone.FrankerZAPIv1.java

@SuppressWarnings("UseSpecificCatch")
private static JSONObject readJsonFromUrl(String urlAddress) {
    JSONObject jsonResult = new JSONObject("{}");
    InputStream inputStream = null;
    URL urlRaw;/*from w  ww. jav  a 2 s .c  o m*/
    HttpURLConnection urlConn;
    String jsonText = "";

    try {
        urlRaw = new URL(urlAddress);
        urlConn = (HttpURLConnection) urlRaw.openConnection();
        urlConn.setDoInput(true);
        urlConn.setRequestMethod("GET");
        urlConn.addRequestProperty("Content-Type", "application/json");
        urlConn.setRequestProperty("User-Agent", "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 "
                + "(KHTML, like Gecko) Chrome/44.0.2403.52 Safari/537.36 PhantomBotJ/2015");
        urlConn.connect();

        if (urlConn.getResponseCode() == 200) {
            inputStream = urlConn.getInputStream();
        } else {
            inputStream = urlConn.getErrorStream();
        }

        BufferedReader rd = new BufferedReader(new InputStreamReader(inputStream, Charset.forName("UTF-8")));
        jsonText = readAll(rd);
        jsonResult = new JSONObject(jsonText);
        fillJSONObject(jsonResult, true, "GET", urlAddress, urlConn.getResponseCode(), "", "", jsonText);
    } catch (JSONException ex) {
        fillJSONObject(jsonResult, false, "GET", urlAddress, 0, "JSONException", ex.getMessage(), jsonText);
        com.gmt2001.Console.err.printStackTrace(ex);
    } catch (NullPointerException ex) {
        fillJSONObject(jsonResult, false, "GET", urlAddress, 0, "NullPointerException", ex.getMessage(), "");
        com.gmt2001.Console.err.printStackTrace(ex);
    } catch (MalformedURLException ex) {
        fillJSONObject(jsonResult, false, "GET", urlAddress, 0, "MalformedURLException", ex.getMessage(), "");
        com.gmt2001.Console.err.printStackTrace(ex);
    } catch (SocketTimeoutException ex) {
        fillJSONObject(jsonResult, false, "GET", urlAddress, 0, "SocketTimeoutException", ex.getMessage(), "");
        com.gmt2001.Console.err.printStackTrace(ex);
    } catch (IOException ex) {
        fillJSONObject(jsonResult, false, "GET", urlAddress, 0, "IOException", ex.getMessage(), "");
        com.gmt2001.Console.err.printStackTrace(ex);
    } catch (Exception ex) {
        fillJSONObject(jsonResult, false, "GET", urlAddress, 0, "Exception", ex.getMessage(), "");
        com.gmt2001.Console.err.printStackTrace(ex);
    } finally {
        if (inputStream != null)
            try {
                inputStream.close();
            } catch (IOException ex) {
                fillJSONObject(jsonResult, false, "GET", urlAddress, 0, "IOException", ex.getMessage(), "");
                com.gmt2001.Console.err.printStackTrace(ex);
            }
    }

    return (jsonResult);
}

From source file:circleplus.app.http.AbstractHttpApi.java

private static HttpURLConnection getHttpURLConnection(URL url, int requestMethod, boolean acceptJson)
        throws IOException {
    if (D)//from   www. j  a va 2  s  .  c o m
        Log.d(TAG, "execute method: " + requestMethod + " url: " + url.toString() + " accept JSON ?= "
                + acceptJson);

    String method;
    boolean isPost;
    switch (requestMethod) {
    case REQUEST_METHOD_GET:
        method = "GET";
        isPost = false;
        break;
    case REQUEST_METHOD_POST:
        method = "POST";
        isPost = true;
        break;
    default:
        method = "GET";
        isPost = false;
        break;
    }

    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setReadTimeout(TIMEOUT);
    conn.setConnectTimeout(TIMEOUT);
    conn.setRequestProperty("Content-Type", JSON_UTF8_CONTENT_TYPE);
    if (isPost && acceptJson) {
        conn.setRequestProperty("Accept", JSON_CONTENT_TYPE);
    }
    conn.setRequestMethod(method);
    /* setDoOutput(true) equals setRequestMethod("POST") */
    conn.setDoOutput(isPost);
    conn.setChunkedStreamingMode(0);
    // Starts the query
    conn.connect();

    return conn;
}