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:org.zywx.wbpalmstar.platform.push.PushRecieveMsgReceiver.java

private Bitmap getIconBitmap(Context context, String iconUrl) {
    try {// w  w  w  . j a  v a 2  s .c  om
        URL uRL = new URL(iconUrl);
        HttpURLConnection connection = (HttpURLConnection) uRL.openConnection();
        String cookie = CookieManager.getInstance().getCookie(iconUrl);
        if (null != cookie) {
            connection.setRequestProperty(SM.COOKIE, cookie);
        }
        connection.connect();
        if (200 == connection.getResponseCode()) {
            InputStream input = connection.getInputStream();
            if (input != null) {
                Environment.getDownloadCacheDirectory();
                File ecd = context.getExternalCacheDir();
                File file = new File(ecd, "pushIcon.png");
                OutputStream outStream = new FileOutputStream(file);
                byte buf[] = new byte[8 * 1024];
                while (true) {
                    int numread = input.read(buf);
                    if (numread == -1) {
                        break;
                    }
                    outStream.write(buf, 0, numread);
                }
                Bitmap bitmap = BitmapFactory.decodeFile(file.getAbsolutePath());
                return bitmap;
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:com.github.ffremont.microservices.springboot.node.services.MsService.java

/**
 * Retourne le flux  lire/*  w  w w .  j a  va 2s. c  o m*/
 *
 * @param msName
 * @return
 */
public Path getBinary(String msName) {
    MicroServiceRest ms = this.getMs(msName);

    if (ms == null) {
        return null;
    }

    MasterUrlBuilder builder = new MasterUrlBuilder(cluster, node, masterhost, masterPort, masterCR);
    builder.setUri(msName + "/binary");

    Path tempFileBinary = null;
    try {
        tempFileBinary = Files.createTempFile("node", "jarBinary");
        HttpURLConnection managerConnection = (HttpURLConnection) (new URL(builder.build())).openConnection();
        managerConnection.setRequestProperty("Authorization", "Basic "
                .concat(new String(Base64.getEncoder().encode((username + ":" + password).getBytes()))));
        managerConnection.setRequestProperty("Accept", "application/java-archive");
        managerConnection.connect();

        if (managerConnection.getResponseCode() != 200) {
            LOG.warn("Manager : rcupration impossible, statut {}", managerConnection.getResponseCode());
            return tempFileBinary;
        }

        FileOutputStream fos = new FileOutputStream(tempFileBinary.toFile());
        try (InputStream is = managerConnection.getInputStream()) {
            byte[] buffer = new byte[10240]; // 10ko
            int read;
            while (-1 != (read = is.read(buffer))) {
                fos.write(buffer, 0, read);
            }
            fos.flush();
            is.close();
        }
    } catch (IOException ex) {
        LOG.error("Impossible de rcuprer le binaire", ex);
        if (tempFileBinary != null) {
            try {
                Files.delete(tempFileBinary);
            } catch (IOException e) {
            }
        }
    }

    return tempFileBinary;
}

From source file:nl.b3p.viewer.stripes.ProxyActionBean.java

private Resolution proxyArcIMS() throws Exception {

    HttpServletRequest request = getContext().getRequest();

    if (!"POST".equals(request.getMethod())) {
        return new ErrorResolution(HttpServletResponse.SC_FORBIDDEN);
    }/*from  w w  w  . jav a 2s  .  c  o m*/

    Map params = new HashMap(getContext().getRequest().getParameterMap());
    // Only allow these parameters in proxy request
    params.keySet().retainAll(Arrays.asList("ClientVersion", "Encode", "Form", "ServiceName"));
    URL theUrl = new URL(url);
    // Must not allow file / jar etc protocols, only HTTP:
    String path = theUrl.getPath();
    for (Map.Entry<String, String[]> param : (Set<Map.Entry<String, String[]>>) params.entrySet()) {
        if (path.length() == theUrl.getPath().length()) {
            path += "?";
        } else {
            path += "&";
        }
        path += URLEncoder.encode(param.getKey(), "UTF-8") + "="
                + URLEncoder.encode(param.getValue()[0], "UTF-8");
    }
    theUrl = new URL("http", theUrl.getHost(), theUrl.getPort(), path);

    // TODO logging for inspecting malicious proxy use

    ByteArrayOutputStream post = new ByteArrayOutputStream();
    IOUtils.copy(request.getInputStream(), post);

    // This check makes some assumptions on how browsers serialize XML
    // created by OpenLayers' ArcXML.js write() function (whitespace etc.),
    // but all major browsers pass this check
    if (!post.toString("US-ASCII").startsWith("<ARCXML version=\"1.1\"><REQUEST><GET_IMAGE")) {
        return new ErrorResolution(HttpServletResponse.SC_FORBIDDEN);
    }

    final HttpURLConnection connection = (HttpURLConnection) theUrl.openConnection();
    connection.setRequestMethod("POST");
    connection.setDoOutput(true);
    connection.setAllowUserInteraction(false);
    connection.setRequestProperty("X-Forwarded-For", request.getRemoteAddr());

    connection.connect();
    try {
        IOUtils.copy(new ByteArrayInputStream(post.toByteArray()), connection.getOutputStream());
    } finally {
        connection.getOutputStream().flush();
        connection.getOutputStream().close();
    }

    return new StreamingResolution(connection.getContentType()) {
        @Override
        protected void stream(HttpServletResponse response) throws IOException {
            try {
                IOUtils.copy(connection.getInputStream(), response.getOutputStream());
            } finally {
                connection.disconnect();
            }

        }
    };
}

From source file:barcamp.com.facebook.android.Util.java

/**
 * Connect to an HTTP URL and return the response as a string.
 *
 * Note that the HTTP method override is used on non-GET requests. (i.e.
 * requests are made as "POST" with method specified in the body).
 *
 * @param url - the resource to open: must be a welformed URL
 * @param method - the HTTP method to use ("GET", "POST", etc.)
 * @param params - the query parameter for the URL (e.g. access_token=foo)
 * @return the URL contents as a String/*from w  w w.j  a  v  a  2 s.  co m*/
 * @throws MalformedURLException - if the URL format is invalid
 * @throws IOException - if a network problem occurs
 */
public static String openUrl(String url, String method, Bundle params)
        throws MalformedURLException, IOException {
    // random string as boundary for multi-part http post
    String strBoundary = "3i2ndDfv2rTHiSisAbouNdArYfORhtTPEefj3q2f";
    String endLine = "\r\n";

    OutputStream os;

    if (method.equals("GET")) {
        url = url + "?" + encodeUrl(params);
    }
    Log.d("Facebook-Util", method + " URL: " + url);
    HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
    conn.setRequestProperty("User-Agent",
            System.getProperties().getProperty("http.agent") + " FacebookAndroidSDK");
    if (!method.equals("GET")) {
        Bundle dataparams = new Bundle();
        for (String key : params.keySet()) {
            if (params.get(key) instanceof byte[]) {
                //if (params.getByteArray(key) != null) {
                dataparams.putByteArray(key, params.getByteArray(key));
            }
        }

        // use method override
        if (!params.containsKey("method")) {
            params.putString("method", method);
        }

        if (params.containsKey("access_token")) {
            String decoded_token = URLDecoder.decode(params.getString("access_token"));
            params.putString("access_token", decoded_token);
        }

        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + strBoundary);
        conn.setDoOutput(true);
        conn.setDoInput(true);
        conn.setRequestProperty("Connection", "Keep-Alive");
        conn.connect();
        os = new BufferedOutputStream(conn.getOutputStream());

        os.write(("--" + strBoundary + endLine).getBytes());
        os.write((encodePostBody(params, strBoundary)).getBytes());
        os.write((endLine + "--" + strBoundary + endLine).getBytes());

        if (!dataparams.isEmpty()) {

            for (String key : dataparams.keySet()) {
                os.write(("Content-Disposition: form-data; filename=\"" + key + "\"" + endLine).getBytes());
                os.write(("Content-Type: content/unknown" + endLine + endLine).getBytes());
                os.write(dataparams.getByteArray(key));
                os.write((endLine + "--" + strBoundary + endLine).getBytes());

            }
        }
        os.flush();
    }

    String response = "";
    try {
        response = read(conn.getInputStream());
    } catch (FileNotFoundException e) {
        // Error Stream contains JSON that we can parse to a FB error
        response = read(conn.getErrorStream());
    }
    return response;
}

From source file:com.adguard.commons.web.UrlUtils.java

/**
 * Sends a POST request/*from   www  .java 2s  .com*/
 *
 * @param url           URL
 * @param postData      Post request body
 * @param encoding      Post request body encoding
 * @param contentType   Body content type
 * @param compress      If true - compress bod
 * @param readTimeout   Read timeout
 * @param socketTimeout Socket timeout
 * @return Response
 */
public static String postRequest(URL url, String postData, String encoding, String contentType,
        boolean compress, int readTimeout, int socketTimeout) {
    HttpURLConnection connection = null;
    OutputStream outputStream = null;

    try {
        connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("POST");
        if (contentType != null) {
            connection.setRequestProperty("Content-Type", contentType);
        }
        if (compress) {
            connection.setRequestProperty("Content-Encoding", "gzip");
        }
        connection.setConnectTimeout(socketTimeout);
        connection.setReadTimeout(readTimeout);
        connection.setDoOutput(true);
        connection.connect();
        if (postData != null) {
            outputStream = connection.getOutputStream();

            if (compress) {
                outputStream = new GZIPOutputStream(outputStream);
            }

            if (encoding != null) {
                IOUtils.write(postData, outputStream, encoding);
            } else {
                IOUtils.write(postData, outputStream);
            }

            if (compress) {
                ((GZIPOutputStream) outputStream).finish();
            } else {
                outputStream.flush();
            }
        }

        return IOUtils.toString(connection.getInputStream(), encoding);
    } catch (Exception ex) {
        LOG.error("Error posting request to {}, post data length={}\r\n", url, StringUtils.length(postData),
                ex);
        // Ignoring exception
        return null;
    } finally {
        IOUtils.closeQuietly(outputStream);

        if (connection != null) {
            connection.disconnect();
        }
    }
}

From source file:com.enefsy.facebook.Util.java

/**
 * Connect to an HTTP URL and return the response as a string.
 *
 * Note that the HTTP method override is used on non-GET requests. (i.e.
 * requests are made as "POST" with method specified in the body).
 *
 * @param url - the resource to open: must be a welformed URL
 * @param method - the HTTP method to use ("GET", "POST", etc.)
 * @param params - the query parameter for the URL (e.g. access_token=foo)
 * @return the URL contents as a String//from   w ww . j a  v a  2s.c om
 * @throws MalformedURLException - if the URL format is invalid
 * @throws IOException - if a network problem occurs
 */
public static String openUrl(String url, String method, Bundle params)
        throws MalformedURLException, IOException {
    // random string as boundary for multi-part http post
    String strBoundary = "3i2ndDfv2rTHiSisAbouNdArYfORhtTPEefj3q2f";
    String endLine = "\r\n";

    OutputStream os;

    if (method.equals("GET")) {
        url = url + "?" + encodeUrl(params);
    }
    HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
    conn.setRequestProperty("User-Agent",
            System.getProperties().getProperty("http.agent") + " FacebookAndroidSDK");
    if (!method.equals("GET")) {
        Bundle dataparams = new Bundle();
        for (String key : params.keySet()) {
            Object parameter = params.get(key);
            if (parameter instanceof byte[]) {
                dataparams.putByteArray(key, (byte[]) parameter);
            }
        }

        // use method override
        if (!params.containsKey("method")) {
            params.putString("method", method);
        }

        if (params.containsKey("access_token")) {
            String decoded_token = URLDecoder.decode(params.getString("access_token"));
            params.putString("access_token", decoded_token);
        }

        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + strBoundary);
        conn.setDoOutput(true);
        conn.setDoInput(true);
        conn.setRequestProperty("Connection", "Keep-Alive");
        conn.connect();
        os = new BufferedOutputStream(conn.getOutputStream());

        os.write(("--" + strBoundary + endLine).getBytes());
        os.write((encodePostBody(params, strBoundary)).getBytes());
        os.write((endLine + "--" + strBoundary + endLine).getBytes());

        if (!dataparams.isEmpty()) {

            for (String key : dataparams.keySet()) {
                os.write(("Content-Disposition: form-data; filename=\"" + key + "\"" + endLine).getBytes());
                os.write(("Content-Type: content/unknown" + endLine + endLine).getBytes());
                os.write(dataparams.getByteArray(key));
                os.write((endLine + "--" + strBoundary + endLine).getBytes());

            }
        }
        os.flush();
    }

    String response = "";
    try {
        response = read(conn.getInputStream());
    } catch (FileNotFoundException e) {
        // Error Stream contains JSON that we can parse to a FB error
        response = read(conn.getErrorStream());
    }
    return response;
}

From source file:com.aegiswallet.tasks.GetCurrencyInfoTask.java

@Override
protected Void doInBackground(String... strings) {

    Log.d(TAG, "inside currency info task...");

    if (fileExistance(Constants.BLOCKCHAIN_CURRENCY_FILE_NAME)
            && !shouldRefreshFile(Constants.BLOCKCHAIN_CURRENCY_FILE_NAME)) {
        return null;
    }//from ww  w .j  a  va 2s.c o m

    HttpURLConnection urlConnection = null;
    URL url = null;
    jsonObject = null;
    InputStream inStream = null;
    try {
        url = new URL(urlString.toString());
        urlConnection = (HttpURLConnection) url.openConnection();
        urlConnection.setRequestMethod("GET");
        urlConnection.setDoOutput(true);
        urlConnection.setDoInput(true);
        urlConnection.connect();
        inStream = urlConnection.getInputStream();
        BufferedReader bReader = new BufferedReader(new InputStreamReader(inStream));
        String temp, response = "";
        while ((temp = bReader.readLine()) != null) {
            response += temp;
        }
        jsonObject = (JSONObject) new JSONTokener(response).nextValue();
    } catch (Exception e) {
    } finally {
        if (inStream != null) {
            try {
                // this will close the bReader as well
                inStream.close();
            } catch (IOException ignored) {
                Log.e("Currency Task", "File Close IO Exception: " + ignored.getMessage());
            }
        }
        if (urlConnection != null) {
            urlConnection.disconnect();
        }
    }

    if (jsonObject != null) {

        try {
            FileOutputStream fos = context.getApplicationContext()
                    .openFileOutput(Constants.BLOCKCHAIN_CURRENCY_FILE_NAME, Context.MODE_PRIVATE);
            fos.write(jsonObject.toString().getBytes());
            fos.close();
        } catch (IOException e) {
            Log.e("Currency Task", "Cannot save or create file " + e.getMessage());
        }
    }
    return null;
}

From source file:com.ble.facebook.Util.java

/**
 * Connect to an HTTP URL and return the response as a string.
 * /*from w  ww  . ja va  2  s.  co  m*/
 * Note that the HTTP method override is used on non-GET requests. (i.e.
 * requests are made as "POST" with method specified in the body).
 * 
 * @param url - the resource to open: must be a welformed URL
 * @param method - the HTTP method to use ("GET", "POST", etc.)
 * @param params - the query parameter for the URL (e.g. access_token=foo)
 * @return the URL contents as a String
 * @throws MalformedURLException - if the URL format is invalid
 * @throws IOException - if a network problem occurs
 */
public static String openUrl(String url, String method, Bundle params)
        throws MalformedURLException, IOException {
    // random string as boundary for multi-part http post
    String strBoundary = "3i2ndDfv2rTHiSisAbouNdArYfORhtTPEefj3q2f";
    String endLine = "\r\n";

    OutputStream os;

    if (method.equals("GET")) {
        url = url + "?" + encodeUrl(params);
    }
    Log.d("Facebook-Util", method + " URL: " + url);
    //url+="&fields=email";
    HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
    conn.setRequestProperty("User-Agent",
            System.getProperties().getProperty("http.agent") + " FacebookAndroidSDK");
    if (!method.equals("GET")) {
        Bundle dataparams = new Bundle();
        for (String key : params.keySet()) {
            if (params.getByteArray(key) != null) {
                dataparams.putByteArray(key, params.getByteArray(key));
            }
        }

        // use method override
        if (!params.containsKey("method")) {
            params.putString("method", method);
        }

        if (params.containsKey("access_token")) {
            String decoded_token = URLDecoder.decode(params.getString("access_token"));
            params.putString("access_token", decoded_token);
        }

        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + strBoundary);
        conn.setDoOutput(true);
        conn.setDoInput(true);
        conn.setRequestProperty("Connection", "Keep-Alive");
        conn.connect();
        os = new BufferedOutputStream(conn.getOutputStream());

        os.write(("--" + strBoundary + endLine).getBytes());
        os.write((encodePostBody(params, strBoundary)).getBytes());
        os.write((endLine + "--" + strBoundary + endLine).getBytes());

        if (!dataparams.isEmpty()) {

            for (String key : dataparams.keySet()) {
                os.write(("Content-Disposition: form-data; filename=\"" + key + "\"" + endLine).getBytes());
                os.write(("Content-Type: content/unknown" + endLine + endLine).getBytes());
                os.write(dataparams.getByteArray(key));
                os.write((endLine + "--" + strBoundary + endLine).getBytes());

            }
        }
        os.flush();
    }

    String response = "";
    try {
        response = read(conn.getInputStream());
    } catch (FileNotFoundException e) {
        // Error Stream contains JSON that we can parse to a FB error
        response = read(conn.getErrorStream());
    }
    return response;
}

From source file:com.jeffrodriguez.webtools.client.URLConnectionWebClientImpl.java

@Override
public byte[] post(String url, byte[] data) throws IOException {

    // Build and connect
    HttpURLConnection connection = buildConnection(url);
    connection.setDoOutput(true);/*from   www .  j  a va 2 s  . co  m*/
    connection.setDoInput(true);
    connection.connect();

    // Send the request
    connection.getOutputStream().write(data);
    connection.getOutputStream().flush();
    connection.getOutputStream().close();

    // Check for errors
    checkForErrors(connection);

    // Get the result
    return disconnectAndReturn(connection, IOUtils.toByteArray(connection.getInputStream()));
}

From source file:com.jeffrodriguez.webtools.client.URLConnectionWebClientImpl.java

@Override
public String postString(String url, String data) throws IOException {

    // Build and connect
    HttpURLConnection connection = buildConnection(url);
    connection.setDoOutput(true);/*from  w  w  w  .jav  a 2s  . c  om*/
    connection.setDoInput(true);
    connection.connect();

    // Send the request
    connection.getOutputStream().write(data.getBytes("ISO-8859-1"));
    connection.getOutputStream().flush();
    connection.getOutputStream().close();

    // Check for errors
    checkForErrors(connection);

    // Get the result
    return disconnectAndReturn(connection, IOUtils.toString(connection.getInputStream(), "ISO-8859-1"));
}