Example usage for java.net URL openConnection

Introduction

In this page you can find the example usage for java.net URL openConnection.

Prototype

public URLConnection openConnection() throws java.io.IOException 

Source Link

Document

Returns a java.net.URLConnection URLConnection instance that represents a connection to the remote object referred to by the URL .

Usage

From source file:de.mas.telegramircbot.utils.images.ImgurUploader.java

public static String uploadImageAndGetLink(String clientID, byte[] image) throws IOException {
    URL url;
    url = new URL(Settings.IMGUR_API_URL);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();

    String dataImage = Base64.getEncoder().encodeToString(image);
    String data = URLEncoder.encode("image", "UTF-8") + "=" + URLEncoder.encode(dataImage, "UTF-8");

    conn.setDoOutput(true);//from   w  w w.  j a va  2  s.  co  m
    conn.setDoInput(true);
    conn.setRequestMethod("POST");
    conn.setRequestProperty("Authorization", "Client-ID " + clientID);
    conn.setRequestMethod("POST");
    conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

    conn.connect();
    StringBuilder stb = new StringBuilder();
    OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
    wr.write(data);
    wr.flush();

    // Get the response
    BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
    String line;
    while ((line = rd.readLine()) != null) {
        stb.append(line).append("\n");
    }
    wr.close();
    rd.close();

    GsonBuilder gsonBuilder = new GsonBuilder();
    gsonBuilder.registerTypeAdapter(ImgurResponse.class, new ImgurResponseDeserializer());
    Gson gson = gsonBuilder.create();

    // The JSON data
    try {
        ImgurResponse response = gson.fromJson(stb.toString(), ImgurResponse.class);
        return response.getLink();
    } catch (Exception e) {
        e.printStackTrace();
    }

    return stb.toString();
}

---

From source file:com.fastbootmobile.encore.api.common.HttpGet.java

/**
 * Downloads the data from the provided URL.
 * @param inUrl The URL to get from//  w w  w . java  2 s .  c  om
 * @param query The query field. '?' + query will be appended automatically, and the query data
 *              MUST be encoded properly.
 * @return A byte array of the data
 */
public static byte[] getBytes(String inUrl, String query, boolean cached)
        throws IOException, RateLimitException {
    final String formattedUrl = inUrl + (query.isEmpty() ? "" : ("?" + query));

    Log.d(TAG, "Formatted URL: " + formattedUrl);

    URL url = new URL(formattedUrl);
    HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
    urlConnection.setRequestProperty("User-Agent", "OmniMusic/1.0-dev (http://www.omnirom.org)");
    urlConnection.setUseCaches(cached);
    urlConnection.setInstanceFollowRedirects(true);
    int maxStale = 60 * 60 * 24 * 28; // tolerate 4-weeks stale
    urlConnection.addRequestProperty("Cache-Control", "max-stale=" + maxStale);
    try {
        final int status = urlConnection.getResponseCode();
        // MusicBrainz returns 503 Unavailable on rate limit errors. Parse the JSON anyway.
        if (status == HttpURLConnection.HTTP_OK) {
            InputStream in = new BufferedInputStream(urlConnection.getInputStream());
            int contentLength = urlConnection.getContentLength();
            if (contentLength <= 0) {
                // No length? Let's allocate 100KB.
                contentLength = 100 * 1024;
            }
            ByteArrayBuffer bab = new ByteArrayBuffer(contentLength);
            BufferedInputStream bis = new BufferedInputStream(in);
            int character;

            while ((character = bis.read()) != -1) {
                bab.append(character);
            }
            return bab.toByteArray();
        } else if (status == HttpURLConnection.HTTP_NOT_FOUND) {
            // 404
            return new byte[] {};
        } else if (status == HttpURLConnection.HTTP_FORBIDDEN) {
            return new byte[] {};
        } else if (status == HttpURLConnection.HTTP_UNAVAILABLE) {
            throw new RateLimitException();
        } else if (status == HttpURLConnection.HTTP_MOVED_TEMP || status == HttpURLConnection.HTTP_MOVED_PERM
                || status == 307 /* HTTP/1.1 TEMPORARY REDIRECT */
                || status == HttpURLConnection.HTTP_SEE_OTHER) {
            // We've been redirected, follow the new URL
            final String followUrl = urlConnection.getHeaderField("Location");
            Log.e(TAG, "Redirected to: " + followUrl);
            return getBytes(followUrl, "", cached);
        } else {
            Log.e(TAG, "Error when fetching: " + formattedUrl + " (" + urlConnection.getResponseCode() + ")");
            return new byte[] {};
        }
    } finally {
        urlConnection.disconnect();
    }
}

---

From source file:cc.vileda.sipgatesync.api.SipgateApi.java

@NonNull
private static HttpURLConnection getConnection(String apiUrl) throws IOException {
    final URL url = new URL(HTTPS_API_SIPGATE_COM_V1 + apiUrl);
    final HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
    urlConnection.setRequestProperty("Content-Type", "application/json");
    urlConnection.setRequestProperty("Accept", "application/json");
    return urlConnection;
}

---

From source file:com.tmobile.TMobileParsing.java

protected static String getDataFromUrl(String url, String basicAuthToken) throws IOException {
    URL urlObj = new URL(url);
    HttpsURLConnection con = (HttpsURLConnection) urlObj.openConnection();
    con.setRequestProperty("Authorization", "Basic " + basicAuthToken);

    BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
    String userInfo = in.readLine(); //Successfull invocation of the web service will see JSON in the HTTP response body
    in.close();/*from   w w w .  j  a  v  a2 s  . co m*/

    return userInfo;
}

---

From source file:Main.java

public static String getJsonWithPath(String path) {
    StringBuffer sb = new StringBuffer();
    URL url = null;
    HttpURLConnection conn = null;
    BufferedReader br = null;//from   w w w  .  j a v  a  2 s . c o  m

    try {
        url = new URL(path);
        conn = (HttpURLConnection) url.openConnection();
        if (conn.getResponseCode() == HttpURLConnection.HTTP_OK) {
            br = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            String temp = "";
            while ((temp = br.readLine()) != null) {
                sb.append(temp);
            }
        } else {
            Log.e(TAG, " NET IS ERROR");
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        close(br);
        conn.disconnect();
    }
    Log.i("TAG", "---" + sb.toString());
    return sb.toString();
}

---

From source file:Main.java

@SuppressLint("NewApi")
public static void getURL(String path) {
    String fileName = "";
    String dir = "/IndoorNavi/";
    File sdRoot = Environment.getExternalStorageDirectory();
    try {/*from w w w . j  av a 2  s  .c  o m*/
        // Open the URLConnection for reading
        URL u = new URL(path);
        // URL u = new URL("http://www.baidu.com/");
        HttpURLConnection uc = (HttpURLConnection) u.openConnection();

        int code = uc.getResponseCode();
        String response = uc.getResponseMessage();
        //System.out.println("HTTP/1.x " + code + " " + response);
        for (int j = 1;; j++) {
            String key = uc.getHeaderFieldKey(j);
            String header = uc.getHeaderField(j);
            if (!(key == null)) {
                if (key.equals("Content-Name"))
                    fileName = header;
            }
            if (header == null || key == null)
                break;
            //System.out.println(uc.getHeaderFieldKey(j) + ": " + header);
        }
        Log.i("zhr", fileName);
        //System.out.println();

        try (InputStream in = new BufferedInputStream(uc.getInputStream())) {

            // chain the InputStream to a Reader
            Reader r = new InputStreamReader(in);
            int c;
            File mapFile = new File(sdRoot, dir + fileName);
            mapFile.createNewFile();
            FileOutputStream filecon = new FileOutputStream(mapFile);
            while ((c = r.read()) != -1) {
                //System.out.print((char) c);
                filecon.write(c);
                filecon.flush();

            }
            filecon.close();
        }

    } catch (MalformedURLException ex) {
        System.err.println(path + " is not a parseable URL");
    } catch (IOException ex) {
        System.err.println(ex);
    }
}

---

From source file:edu.xjtu.qxcamerabridge.LiveviewImageExtractor.java

private static InputStream getLiveviewInputStream(String liveviewURL)
        throws MalformedURLException, IOException {
    URL url = new URL(liveviewURL);
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod("GET");
    connection.setReadTimeout(2000);/*from   ww  w. ja  va2s  . co m*/
    connection.connect();

    if (connection.getResponseCode() == HttpURLConnection.HTTP_OK) {
        return connection.getInputStream();
    }
    return null;
}

---

From source file:resources.XmlToAnime.java

private static InputStream getInput() {
    String username = "shigato";
    String password = "unlimited0";
    String authString = username + ":" + password;
    byte[] authEncBytes = Base64.encodeBase64(authString.getBytes());
    String authStringEnc = new String(authEncBytes);
    InputStream in = null;//from w  ww . j a v a  2s  .co  m

    try {
        URL url = new URL(sUrl);
        URLConnection urlConnection = url.openConnection();
        urlConnection.setRequestProperty("Authorization", "Basic " + authStringEnc);
        urlConnection.setRequestProperty("Accept",
                "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
        urlConnection.setRequestProperty("Accept-Language", "en");
        urlConnection.setRequestProperty("User-Agent",
                "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.124 Safari/537.36");
        in = urlConnection.getInputStream();
        String temp = InputStreamToString.getStringFromInputStream(in);
        temp = Replacer.replaceIllegalCharacters(temp);
        in = new ByteArrayInputStream(temp.getBytes(StandardCharsets.UTF_8));
        System.out.println();

        //            InputStreamReader isr = new InputStreamReader(in);
        //            
        //            int numCharsRead;
        //            char[] charArray = new char[1024];
        //            StringBuilder sb = new StringBuilder();
        //            while ((numCharsRead = isr.read(charArray)) > 0) {
        //                    sb.append(charArray, 0, numCharsRead);
        //            }
        //            String result = sb.toString();
        //            System.out.println(result);

    } catch (IOException e) {

    }
    return in;
}

---

From source file:de.unigoettingen.sub.commons.util.stream.StreamUtils.java

/************************************************************************************
 * get MimeType as {@link String} from given URL
 * //from w  ww  .j  av a2  s.  c  o  m
 * @param url the url from where to get the MimeType
 * @return MimeType as {@link String}
 * @throws IOException
 ************************************************************************************/
public static String getMimeTypeFromUrl(URL url) throws IOException {

    URLConnection con = url.openConnection();
    return con.getContentType();
}

---

From source file:dev.meng.wikidata.util.http.HttpUtils.java

public static JSONObject queryForJSONResponse(URL url, String encoding)
        throws ProtocolException, IOException, StringConvertionException {
    JSONObject response = null;// w w w  .j av a2  s .c  om

    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod("GET");
    connection.connect();

    if (connection.getResponseCode() == 200) {
        response = new JSONObject(StringUtils.inputStreamToString(connection.getInputStream(), encoding));
    } else {
        throw new IOException("Error in opening: " + url + ", " + connection.getResponseCode() + " "
                + connection.getResponseMessage());
    }

    return response;
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• 48
• 49
• 50
• »