Example usage for java.net HttpURLConnection setDoInput

List of usage examples for java.net HttpURLConnection setDoInput

  1. HOME
  2. Java
  3. java
  4. java.net.*
  5. HttpURLConnection
  6. setDoInput

Introduction

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

Prototype

public void setDoInput(boolean doinput)

Source Link

Document

Sets the value of the doInput field for this URLConnection to the specified value.

Usage

From source file:de.fu_berlin.inf.dpp.netbeans.feedback.FileSubmitter.java

/**
 * Tries to upload the given file to the given HTTP server (via POST
 * method)./*from w  ww .j  a v a2s  .  c o  m*/
 * 
 * @param file
 *            the file to upload
 * @param url
 *            the URL of the server, that is supposed to handle the file
 * @param monitor
 *            a monitor to report progress to
 * @throws IOException
 *             if an I/O error occurs
 * 
 */

public static void uploadFile(final File file, final String url, IProgressMonitor monitor) throws IOException {

    final String CRLF = "\r\n";
    final String doubleDash = "--";
    final String boundary = generateBoundary();

    HttpURLConnection connection = null;
    OutputStream urlConnectionOut = null;
    FileInputStream fileIn = null;

    if (monitor == null)
        monitor = new NullProgressMonitor();

    int contentLength = (int) file.length();

    if (contentLength == 0) {
        log.warn("file size of file " + file.getAbsolutePath() + " is 0 or the file does not exist");
        return;
    }

    monitor.beginTask("Uploading file " + file.getName(), contentLength);

    try {
        URL connectionURL = new URL(url);

        if (!"http".equals(connectionURL.getProtocol()))
            throw new IOException("only HTTP protocol is supported");

        connection = (HttpURLConnection) connectionURL.openConnection();
        connection.setUseCaches(false);
        connection.setDoInput(true);
        connection.setDoOutput(true);
        connection.setRequestMethod("POST");
        connection.setReadTimeout(TIMEOUT);
        connection.setConnectTimeout(TIMEOUT);

        connection.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);

        String contentDispositionLine = "Content-Disposition: form-data; name=\"" + file.getName()
                + "\"; filename=\"" + file.getName() + "\"" + CRLF;

        String contentTypeLine = "Content-Type: application/octet-stream; charset=ISO-8859-1" + CRLF;

        String contentTransferEncoding = "Content-Transfer-Encoding: binary" + CRLF;

        contentLength += 2 * boundary.length() + contentDispositionLine.length() + contentTypeLine.length()
                + contentTransferEncoding.length() + 4 * CRLF.length() + 3 * doubleDash.length();

        connection.setFixedLengthStreamingMode(contentLength);

        connection.connect();

        urlConnectionOut = connection.getOutputStream();

        PrintWriter writer = new PrintWriter(new OutputStreamWriter(urlConnectionOut, "US-ASCII"), true);

        writer.append(doubleDash).append(boundary).append(CRLF);
        writer.append(contentDispositionLine);
        writer.append(contentTypeLine);
        writer.append(contentTransferEncoding);
        writer.append(CRLF);
        writer.flush();

        fileIn = new FileInputStream(file);
        byte[] buffer = new byte[8192];

        for (int read = 0; (read = fileIn.read(buffer)) > 0;) {
            if (monitor.isCanceled())
                return;

            urlConnectionOut.write(buffer, 0, read);
            monitor.worked(read);
        }

        urlConnectionOut.flush();

        writer.append(CRLF);
        writer.append(doubleDash).append(boundary).append(doubleDash).append(CRLF);
        writer.close();

        if (connection.getResponseCode() == HttpURLConnection.HTTP_OK) {
            log.debug("uploaded file " + file.getAbsolutePath() + " to " + connectionURL.getHost());
            return;
        }

        throw new IOException("failed to upload file " + file.getAbsolutePath() + connectionURL.getHost() + " ["
                + connection.getResponseMessage() + "]");
    } finally {
        IOUtils.closeQuietly(fileIn);
        IOUtils.closeQuietly(urlConnectionOut);

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

        monitor.done();
    }
}

From source file:com.mebigfatguy.polycasso.URLFetcher.java

/**
 * retrieve arbitrary data found at a specific url
 * - either http or file urls/*from w  w w .  j a va 2  s  . com*/
 * for http requests, sets the user-agent to mozilla to avoid
 * sites being cranky about a java sniffer
 * 
 * @param url the url to retrieve
 * @param proxyHost the host to use for the proxy
 * @param proxyPort the port to use for the proxy
 * @return a byte array of the content
 * 
 * @throws IOException the site fails to respond
 */
public static byte[] fetchURLData(String url, String proxyHost, int proxyPort) throws IOException {
    HttpURLConnection con = null;
    InputStream is = null;

    try {
        URL u = new URL(url);
        if (url.startsWith("file://")) {
            is = new BufferedInputStream(u.openStream());
        } else {
            Proxy proxy;
            if (proxyHost != null) {
                proxy = new Proxy(Type.HTTP, new InetSocketAddress(proxyHost, proxyPort));
            } else {
                proxy = Proxy.NO_PROXY;
            }
            con = (HttpURLConnection) u.openConnection(proxy);
            con.addRequestProperty("User-Agent",
                    "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.6 (KHTML, like Gecko) Chrome/20.0.1092.0 Safari/536.6");
            con.addRequestProperty("Accept-Charset", "UTF-8");
            con.addRequestProperty("Accept-Language", "en-US,en");
            con.addRequestProperty("Accept", "text/html,image/*");
            con.setDoInput(true);
            con.setDoOutput(false);
            con.connect();

            is = new BufferedInputStream(con.getInputStream());
        }

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        IOUtils.copy(is, baos);
        return baos.toByteArray();
    } finally {
        IOUtils.closeQuietly(is);
        if (con != null) {
            con.disconnect();
        }
    }
}

From source file:org.csware.ee.utils.Tools.java

public static String GetDataByPost(String httpUrl, String parMap) {
    try {/*  w  w  w  .ja  v a 2  s .c  o  m*/
        URL url = new URL(httpUrl);// 
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setDoOutput(true);
        connection.setDoInput(true);
        connection.setUseCaches(false);
        connection.setInstanceFollowRedirects(true);
        connection.setRequestMethod("POST"); // ?
        connection.setRequestProperty("Accept", "application/json"); // ??
        connection.setRequestProperty("Content-Type", "application/json"); // ????
        connection.connect();
        OutputStreamWriter out = new OutputStreamWriter(connection.getOutputStream(), "UTF-8"); // utf-8?
        out.append(parMap);
        out.flush();
        out.close();
        // ??
        int length = (int) connection.getContentLength();// ?
        InputStream is = connection.getInputStream();
        if (length != -1) {
            byte[] data = new byte[length];
            byte[] temp = new byte[1024];
            int readLen = 0;
            int destPos = 0;
            while ((readLen = is.read(temp)) > 0) {
                System.arraycopy(temp, 0, data, destPos, readLen);
                destPos += readLen;
            }
            String result = new String(data, "UTF-8"); // utf-8?
            return result;
        }
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
        System.out.println("aa:  " + e.getMessage());
    }
    return "error"; // ?
}

From source file:org.csware.ee.utils.Tools.java

public static String reqByPost(String path) {
    String info = "";
    try {//from   w ww  . j a v a 2  s.  co  m
        // URL
        URL url = new URL(path);
        // HttpURLConnection
        HttpURLConnection urlConn = (HttpURLConnection) url.openConnection();
        // ?Input?output?Cache
        urlConn.setDoInput(true);
        urlConn.setDoOutput(true);
        urlConn.setUseCaches(false);
        /** ?method=post */
        urlConn.setRequestMethod("POST");
        urlConn.setRequestProperty("Connection", "Keep-Alive");
        urlConn.setRequestProperty("Charset", "utf-8");
        InputStream in = urlConn.getInputStream();

        try {

            byte[] buffer = new byte[65536];
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            int readLength = in.read(buffer);
            long totalLength = 0;
            while (readLength >= 0) {
                bos.write(buffer, 0, readLength);
                totalLength = totalLength + readLength;
                readLength = in.read(buffer);

            }
            info = bos.toString();

        } finally {
            if (in != null)
                try {
                    in.close();
                } catch (Exception e) {
                    e.printStackTrace();
                }
        }
        // 
        urlConn.setConnectTimeout(5 * 1000);
        // 
        urlConn.connect();
    } catch (Exception ex) {
        ex.printStackTrace();
        return null;
    }
    return info.replaceAll("\r\n", " ");
}

From source file:com.madgag.android.lazydrawables.gravatar.GravatarBitmapDownloader.java

private InputStream downloadStreamFor(String gravatarId) {
    Log.d(TAG, "downloadStreamFor " + gravatarId);
    try {//from  w w w  . ja  va2  s .c  om
        URL aURL = new URL("http://www.gravatar.com/avatar/" + encode(gravatarId) + "?s=" + size + "&d=mm");
        HttpURLConnection conn = (HttpURLConnection) aURL.openConnection();
        conn.setDoInput(true);
        conn.connect();
        return conn.getInputStream();
    } catch (IOException ioe) {
        Log.e(TAG, "downloadGravatar " + gravatarId, ioe);
        throw new RuntimeException(ioe);
    }
}

From source file:gov.nasa.arc.geocam.geocam.HttpPost.java

public static HttpURLConnection createConnection(String url, String username, String password)
        throws IOException {
    boolean useAuth = !password.equals("");
    // force SSL if useAuth=true (would send password unencrypted otherwise)
    boolean useSSL = useAuth || url.startsWith("https");

    Log.d("HttpPost", "password: " + password);
    Log.d("HttpPost", "useSSL: " + useSSL);

    if (useSSL) {
        if (!url.startsWith("https")) {
            // replace http: with https: -- this will obviously screw
            // up if input is something other than http so don't do that :)
            url = "https:" + url.substring(5);
        }//w  w  w  .  j  a v a 2s  .c  o  m

        // would rather not do this, need to check if there's still a problem
        // with our ssl certificates on NASA servers.
        try {
            DisableSSLCertificateCheckUtil.disableChecks();
        } catch (GeneralSecurityException e) {
            throw new IOException("HttpPost - disable ssl: " + e);
        }
    }

    HttpURLConnection conn;
    try {
        if (useSSL) {
            conn = (HttpsURLConnection) (new URL(url)).openConnection();
        } else {
            conn = (HttpURLConnection) (new URL(url)).openConnection();
        }
    } catch (IOException e) {
        throw new IOException("HttpPost - IOException: " + e);
    }

    if (useAuth) {
        // add pre-emptive http basic authentication.  using
        // homebrew version -- early versions of android
        // authenticator have problems and this is easy.
        String userpassword = username + ":" + password;
        String encodedAuthorization = Base64.encode(userpassword.getBytes());
        conn.setRequestProperty("Authorization", "Basic " + encodedAuthorization);
    }

    conn.setDoInput(true);
    conn.setDoOutput(true);
    conn.setUseCaches(false);
    conn.setAllowUserInteraction(true);

    return conn;
}

From source file:com.bjorsond.android.timeline.sync.ServerUploader.java

protected static void uploadFile(String locationFilename, String saveFilename) {
    System.out.println("saving " + locationFilename + "!! ");
    if (!saveFilename.contains("."))
        saveFilename = saveFilename + Utilities.getExtension(locationFilename);

    if (!fileExistsOnServer(saveFilename)) {

        HttpURLConnection connection = null;
        DataOutputStream outputStream = null;

        String pathToOurFile = locationFilename;
        String urlServer = "http://folk.ntnu.no/bjornava/upload/upload.php";
        //         String urlServer = "http://timelinegamified.appspot.com/upload.php";
        String lineEnd = "\r\n";
        String twoHyphens = "--";
        String boundary = "*****";

        int bytesRead, bytesAvailable, bufferSize;
        byte[] buffer;
        int maxBufferSize = 1 * 1024 * 1024 * 1024;

        try {/*w w  w. ja  v a 2s.co m*/
            FileInputStream fileInputStream = new FileInputStream(new File(pathToOurFile));

            URL url = new URL(urlServer);
            connection = (HttpURLConnection) url.openConnection();

            // Allow Inputs & Outputs
            connection.setDoInput(true);
            connection.setDoOutput(true);
            connection.setUseCaches(false);

            // Enable POST method
            connection.setRequestMethod("POST");

            connection.setRequestProperty("Connection", "Keep-Alive");
            connection.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary);

            outputStream = new DataOutputStream(connection.getOutputStream());
            outputStream.writeBytes(twoHyphens + boundary + lineEnd);
            outputStream.writeBytes("Content-Disposition: form-data; name=\"uploadedfile\";filename=\""
                    + saveFilename + "\"" + lineEnd);
            outputStream.writeBytes(lineEnd);

            bytesAvailable = fileInputStream.available();
            bufferSize = Math.min(bytesAvailable, maxBufferSize);
            buffer = new byte[bufferSize];

            // Read file
            bytesRead = fileInputStream.read(buffer, 0, bufferSize);

            while (bytesRead > 0) {
                outputStream.write(buffer, 0, bufferSize);
                bytesAvailable = fileInputStream.available();
                bufferSize = Math.min(bytesAvailable, maxBufferSize);
                bytesRead = fileInputStream.read(buffer, 0, bufferSize);
            }

            outputStream.writeBytes(lineEnd);
            outputStream.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);

            // Responses from the server (code and message)
            int serverResponseCode = connection.getResponseCode();
            String serverResponseMessage = connection.getResponseMessage();

            fileInputStream.close();
            outputStream.flush();
            outputStream.close();

            System.out.println("Server response: " + serverResponseCode + " Message: " + serverResponseMessage);
        } catch (Exception ex) {
            //Exception handling
        }
    } else {
        System.out.println("image exists on server");
    }
}

From source file:com.krayzk9s.imgurholo.tools.LoadImageAsync.java

@Override
protected Bitmap doInBackground(Void... voids) {
    try {/*w  ww .  ja  v a 2 s . c om*/
        URL url;
        if (imageData.getJSONObject().has(ImgurHoloActivity.IMAGE_DATA_COVER))
            url = new URL("http://imgur.com/"
                    + imageData.getJSONObject().getString(ImgurHoloActivity.IMAGE_DATA_COVER) + ".png");
        else
            url = new URL(imageData.getJSONObject().getString(ImgurHoloActivity.IMAGE_DATA_LINK));
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setDoInput(true);
        connection.connect();
        InputStream input = connection.getInputStream();
        return BitmapFactory.decodeStream(input);
    } catch (JSONException e) {
        Log.e("Error!", e.toString());
    } catch (IOException e) {
        Log.e("Error!", e.toString());
    } catch (OutOfMemoryError e) {
        Log.e("Error!", e.toString());
    }

    return null;
}

From source file:com.hippo.httpclient.JsonPoster.java

@Override
public void onBeforeConnect(HttpURLConnection conn) throws Exception {
    super.onBeforeConnect(conn);

    conn.setDoOutput(true);//from   www . j  a v  a  2s  .c  om
    conn.setDoInput(true);
    conn.setUseCaches(false);
    conn.setRequestMethod("POST");
    conn.setRequestProperty("Content-Type", "application/json");
}

From source file:net.terryyiu.emailservice.providers.AbstractEmailServiceProvider.java

private HttpURLConnection createConnection() throws IOException {
    URL url = new URL(getServiceUrl());
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setDoInput(true);
    connection.setDoOutput(true);//from w  w w.  j a v  a  2  s  .  c  o  m
    connection.setRequestMethod("POST");
    connection.setRequestProperty("Content-Type", "application/json");
    connection.setUseCaches(false);

    modifyConnection(connection);

    return connection;
}