Example usage for java.net HttpURLConnection getContentEncoding

Introduction

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

Prototype

public String getContentEncoding() 

Source Link

Document

Returns the value of the content-encoding header field.

Usage

From source file:org.apache.flink.runtime.webmonitor.history.HistoryServerTest.java

public static String getFromHTTP(String url) throws Exception {
    URL u = new URL(url);
    HttpURLConnection connection = (HttpURLConnection) u.openConnection();
    connection.setConnectTimeout(100000);
    connection.connect();/*w  w  w.j  a v a  2s.  c  o  m*/
    InputStream is;
    if (connection.getResponseCode() >= 400) {
        // error!
        is = connection.getErrorStream();
    } else {
        is = connection.getInputStream();
    }

    return IOUtils.toString(is,
            connection.getContentEncoding() != null ? connection.getContentEncoding() : "UTF-8");
}

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From source file:cn.garymb.wechatmoments.common.OkHttpStack.java

@SuppressWarnings("deprecation")
private static HttpEntity entityFromConnection(HttpURLConnection connection) {
    BasicHttpEntity entity = new BasicHttpEntity();
    InputStream inputStream;//from ww w.java 2 s. c o m
    try {
        inputStream = connection.getInputStream();
    } catch (IOException ioe) {
        inputStream = connection.getErrorStream();
    }
    entity.setContent(inputStream);
    entity.setContentLength(connection.getContentLength());
    entity.setContentEncoding(connection.getContentEncoding());
    entity.setContentType(connection.getContentType());
    return entity;
}

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From source file:com.kubeiwu.commontool.khttp.toolbox.HurlStack.java

/**
 * Initializes an {@link HttpEntity} from the given {@link HttpURLConnection}.
 * // w  w w.j ava  2 s .co m
 * @param connection
 * @return an HttpEntity populated with data from <code>connection</code>.
 */
private static HttpEntity entityFromConnection(HttpURLConnection connection) {

    BasicHttpEntity entity = new BasicHttpEntity();
    InputStream inputStream;
    try {
        inputStream = connection.getInputStream();
    } catch (IOException ioe) {
        inputStream = connection.getErrorStream();
    }
    entity.setContent(inputStream);
    entity.setContentLength(connection.getContentLength());
    entity.setContentEncoding(connection.getContentEncoding());
    entity.setContentType(connection.getContentType());
    return entity;
}

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From source file:com.android.volley.toolbox.HurlStack.java

/**
 * Initializes an {@link HttpEntity} from the given {@link HttpURLConnection}.
 * @param connection//from w ww. j  a v  a 2s  . c  om
 * @return an HttpEntity populated with data from <code>connection</code>.
 */
private static HttpEntity entityFromConnection(HttpURLConnection connection) {
    BasicHttpEntity entity = new BasicHttpEntity();
    InputStream inputStream;
    try {
        inputStream = connection.getInputStream();
    } catch (IOException ioe) {
        inputStream = connection.getErrorStream();
    }
    entity.setContent(inputStream);
    entity.setContentLength(connection.getContentLength());
    entity.setContentEncoding(connection.getContentEncoding());
    entity.setContentType(connection.getContentType());
    return entity;
}

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From source file:com.nxt.zyl.data.volley.toolbox.HurlStack.java

/**
 * Initializes an {@link org.apache.http.HttpEntity} from the given {@link java.net.HttpURLConnection}.
 * @param connection/*from  w ww.  ja  v a2 s. com*/
 * @return an HttpEntity populated with data from <code>connection</code>.
 */
private static HttpEntity entityFromConnection(HttpURLConnection connection) {
    BasicHttpEntity entity = new BasicHttpEntity();
    InputStream inputStream;
    try {
        inputStream = connection.getInputStream();
    } catch (IOException ioe) {
        inputStream = connection.getErrorStream();
    }
    entity.setContent(inputStream);
    entity.setContentLength(connection.getContentLength());
    entity.setContentEncoding(connection.getContentEncoding());
    entity.setContentType(connection.getContentType());

    return entity;
}

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From source file:com.hackerati.android.user_sdk.volley.HHurlStack.java

/**
 * Initializes an {@link HttpEntity} from the given
 * {@link HttpURLConnection}.//from   www .  j  a va 2s . c o m
 * 
 * @param connection
 * @return an HttpEntity populated with data from <code>connection</code>.
 */
private static HttpEntity entityFromConnection(final HttpURLConnection connection) {
    final BasicHttpEntity entity = new BasicHttpEntity();
    InputStream inputStream;
    try {
        inputStream = connection.getInputStream();
    } catch (final IOException ioe) {
        inputStream = connection.getErrorStream();
    }
    entity.setContent(inputStream);
    entity.setContentLength(connection.getContentLength());
    entity.setContentEncoding(connection.getContentEncoding());
    entity.setContentType(connection.getContentType());
    return entity;
}

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From source file:com.evilisn.DAO.CertMapper.java

public static byte[] httpGetBin(URI uri, boolean bActiveCheckUnknownHost) throws Exception

{

    InputStream is = null;//  w ww.j a  v  a2  s  .c  om

    InputStream is_temp = null;

    try {

        if (uri == null)
            return null;

        URL url = uri.toURL();

        if (bActiveCheckUnknownHost) {

            url.getProtocol();

            String host = url.getHost();

            int port = url.getPort();

            if (port == -1)

                port = url.getDefaultPort();

            InetSocketAddress isa = new InetSocketAddress(host, port);

            if (isa.isUnresolved()) {

                //fix JNLP popup error issue

                throw new UnknownHostException("Host Unknown:" + isa.toString());

            }

        }

        HttpURLConnection uc = (HttpURLConnection) url.openConnection();

        uc.setDoInput(true);

        uc.setAllowUserInteraction(false);

        uc.setInstanceFollowRedirects(true);

        setTimeout(uc);

        String contentEncoding = uc.getContentEncoding();

        int len = uc.getContentLength();

        // is = uc.getInputStream();

        if (contentEncoding != null && contentEncoding.toLowerCase().indexOf("gzip") != -1)

        {

            is_temp = uc.getInputStream();

            is = new GZIPInputStream(is_temp);

        }

        else if (contentEncoding != null && contentEncoding.toLowerCase().indexOf("deflate") != -1)

        {

            is_temp = uc.getInputStream();

            is = new InflaterInputStream(is_temp);

        }

        else

        {

            is = uc.getInputStream();

        }

        if (len != -1) {

            int ch = 0, i = 0;

            byte[] res = new byte[len];

            while ((ch = is.read()) != -1) {

                res[i++] = (byte) (ch & 0xff);

            }

            return res;

        } else {

            ArrayList<byte[]> buffer = new ArrayList<byte[]>();

            int buf_len = 1024;

            byte[] res = new byte[buf_len];

            int ch = 0, i = 0;

            while ((ch = is.read()) != -1) {

                res[i++] = (byte) (ch & 0xff);

                if (i == buf_len) {

                    //rotate

                    buffer.add(res);

                    i = 0;

                    res = new byte[buf_len];

                }

            }

            int total_len = buffer.size() * buf_len + i;

            byte[] buf = new byte[total_len];

            for (int j = 0; j < buffer.size(); j++) {

                System.arraycopy(buffer.get(j), 0, buf, j * buf_len, buf_len);

            }

            if (i > 0) {

                System.arraycopy(res, 0, buf, buffer.size() * buf_len, i);

            }

            return buf;

        }

    } catch (Exception e) {

        e.printStackTrace();

        return null;

    } finally {

        closeInputStream(is_temp);

        closeInputStream(is);

    }

}

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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 ww  w. j a v a  2  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;
}

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From source file:Main.java

public static String[] getUrlInfos(String urlAsString, int timeout) {
    try {/*www. ja  v a  2s.  c o m*/
        URL url = new URL(urlAsString);
        //using proxy may increase latency
        HttpURLConnection hConn = (HttpURLConnection) url.openConnection(Proxy.NO_PROXY);
        hConn.setRequestProperty("User-Agent", "Mozilla/5.0 Gecko/20100915 Firefox/3.6.10");

        // on android we got problems because of this
        // so disable that for now
        //            hConn.setRequestProperty("Accept-Encoding", "gzip, deflate");
        hConn.setConnectTimeout(timeout);
        hConn.setReadTimeout(timeout);
        // default length of bufferedinputstream is 8k
        byte[] arr = new byte[K4];
        InputStream is = hConn.getInputStream();

        if ("gzip".equals(hConn.getContentEncoding()))
            is = new GZIPInputStream(is);

        BufferedInputStream in = new BufferedInputStream(is, arr.length);
        in.read(arr);

        return getUrlInfosFromText(arr, hConn.getContentType());
    } catch (Exception ex) {
    }
    return new String[] { "", "" };
}

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From source file:org.owasp.dependencycheck.utils.Downloader.java

/**
 * Retrieves a file from a given URL and saves it to the outputPath.
 *
 * @param url the URL of the file to download
 * @param outputPath the path to the save the file to
 * @param useProxy whether to use the configured proxy when downloading files
 * @throws DownloadFailedException is thrown if there is an error downloading the file
 *//*from w  w  w  .  j  a v a 2 s. c om*/
public static void fetchFile(URL url, File outputPath, boolean useProxy) throws DownloadFailedException {
    if ("file".equalsIgnoreCase(url.getProtocol())) {
        File file;
        try {
            file = new File(url.toURI());
        } catch (URISyntaxException ex) {
            final String msg = String.format("Download failed, unable to locate '%s'", url.toString());
            throw new DownloadFailedException(msg);
        }
        if (file.exists()) {
            try {
                org.apache.commons.io.FileUtils.copyFile(file, outputPath);
            } catch (IOException ex) {
                final String msg = String.format("Download failed, unable to copy '%s'", url.toString());
                throw new DownloadFailedException(msg);
            }
        } else {
            final String msg = String.format("Download failed, file does not exist '%s'", url.toString());
            throw new DownloadFailedException(msg);
        }
    } else {
        HttpURLConnection conn = null;
        try {
            conn = URLConnectionFactory.createHttpURLConnection(url, useProxy);
            conn.setRequestProperty("Accept-Encoding", "gzip, deflate");
            conn.connect();
        } catch (IOException ex) {
            try {
                if (conn != null) {
                    conn.disconnect();
                }
            } finally {
                conn = null;
            }
            throw new DownloadFailedException("Error downloading file.", ex);
        }
        final String encoding = conn.getContentEncoding();

        BufferedOutputStream writer = null;
        InputStream reader = null;
        try {
            if (encoding != null && "gzip".equalsIgnoreCase(encoding)) {
                reader = new GZIPInputStream(conn.getInputStream());
            } else if (encoding != null && "deflate".equalsIgnoreCase(encoding)) {
                reader = new InflaterInputStream(conn.getInputStream());
            } else {
                reader = conn.getInputStream();
            }

            writer = new BufferedOutputStream(new FileOutputStream(outputPath));
            final byte[] buffer = new byte[4096];
            int bytesRead;
            while ((bytesRead = reader.read(buffer)) > 0) {
                writer.write(buffer, 0, bytesRead);
            }
        } catch (Throwable ex) {
            throw new DownloadFailedException("Error saving downloaded file.", ex);
        } finally {
            if (writer != null) {
                try {
                    writer.close();
                } catch (Throwable ex) {
                    LOGGER.log(Level.FINEST, "Error closing the writer in Downloader.", ex);
                }
            }
            if (reader != null) {
                try {
                    reader.close();
                } catch (Throwable ex) {
                    LOGGER.log(Level.FINEST, "Error closing the reader in Downloader.", ex);
                }
            }
            try {
                conn.disconnect();
            } finally {
                conn = null;
            }
        }
    }
}

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