Example usage for java.net URLConnection getContentEncoding

Introduction

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

Prototype

public String getContentEncoding() 

Source Link

Document

Returns the value of the content-encoding header field.

Usage

From source file:org.exoplatform.chat.listener.ServerBootstrap.java

private static String postServer(String serviceUri, String params) {
    String serviceUrl = getServerBase() + PropertyManager.getProperty(PropertyManager.PROPERTY_CHAT_SERVER_URL)
            + "/" + serviceUri;
    String allParams = "passphrase=" + PropertyManager.getProperty(PropertyManager.PROPERTY_PASSPHRASE) + "&"
            + params;/*from www  .j av  a2 s  . co  m*/
    String body = "";
    OutputStreamWriter writer = null;
    try {
        URL url = new URL(serviceUrl);
        URLConnection con = url.openConnection();
        con.setDoOutput(true);

        //envoi de la requte
        writer = new OutputStreamWriter(con.getOutputStream());
        writer.write(allParams);
        writer.flush();

        InputStream in = con.getInputStream();
        String encoding = con.getContentEncoding();
        encoding = encoding == null ? "UTF-8" : encoding;
        body = IOUtils.toString(in, encoding);
        if ("null".equals(body))
            body = null;

    } catch (MalformedURLException e) {
        LOG.warning(e.getMessage());
    } catch (IOException e) {
        LOG.warning(e.getMessage());
    } finally {
        try {
            writer.close();
        } catch (Exception e) {
            LOG.warning(e.getMessage());
        }
    }
    return body;
}

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From source file:io.jari.geenstijl.API.API.java

static String downloadString(String url) throws IOException {
    if (url.startsWith("//")) {
        url = "http:" + url;
    } else if (url.startsWith("://")) {
        url = "http" + url;
    }// w  ww  . j  a v a2s.  c  om
    URLConnection con = new URL(url).openConnection();
    InputStream in = con.getInputStream();
    String encoding = con.getContentEncoding();
    encoding = encoding == null ? "UTF-8" : encoding;
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    byte[] buf = new byte[8192];
    int len = 0;
    while ((len = in.read(buf)) != -1) {
        baos.write(buf, 0, len);
    }
    return new String(baos.toByteArray(), encoding);
}

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From source file:com.omertron.thetvdbapi.tools.WebBrowser.java

/**
 * Request the web page at the specified URL
 *
 * @param url//from w w w. j  a  v  a  2 s.co m
 * @throws IOException
 */
public static String request(URL url) throws IOException {
    StringBuilder content = new StringBuilder();

    BufferedReader in = null;
    URLConnection cnx = null;
    InputStreamReader isr = null;
    GZIPInputStream zis = null;

    try {
        cnx = openProxiedConnection(url);

        sendHeader(cnx);
        readHeader(cnx);

        // Check the content encoding of the connection. Null content encoding is standard HTTP
        if (cnx.getContentEncoding() == null) {
            //in = new BufferedReader(new InputStreamReader(cnx.getInputStream(), getCharset(cnx)));
            isr = new InputStreamReader(cnx.getInputStream(), "UTF-8");
        } else if (cnx.getContentEncoding().equalsIgnoreCase("gzip")) {
            zis = new GZIPInputStream(cnx.getInputStream());
            isr = new InputStreamReader(zis, "UTF-8");
        } else {
            return "";
        }

        in = new BufferedReader(isr);

        String line;
        while ((line = in.readLine()) != null) {
            content.append(line);
        }
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }

        if (isr != null) {
            try {
                isr.close();
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }

        if (zis != null) {
            try {
                zis.close();
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }

        if (cnx instanceof HttpURLConnection) {
            ((HttpURLConnection) cnx).disconnect();
        }
    }
    return content.toString();
}

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From source file:ch.njol.skript.Updater.java

/**
 * Gets the changelogs and release dates of the newest versions
 * //  w w  w . ja  va 2  s . c  o  m
 * @param sender
 */
final static void getChangelogs(final CommandSender sender) {
    InputStream in = null;
    InputStreamReader r = null;
    try {
        final URLConnection conn = new URL(RSSURL).openConnection();
        conn.setRequestProperty("User-Agent", "Skript/v" + Skript.getVersion() + " (by Njol)"); // Bukkit returns a 403 (forbidden) if no user agent is set
        in = conn.getInputStream();
        r = new InputStreamReader(in, conn.getContentEncoding() == null ? "UTF-8" : conn.getContentEncoding());
        final XMLEventReader reader = XMLInputFactory.newInstance().createXMLEventReader(r);

        infos.clear();
        VersionInfo current = null;

        outer: while (reader.hasNext()) {
            XMLEvent e = reader.nextEvent();
            if (e.isStartElement()) {
                final String element = e.asStartElement().getName().getLocalPart();
                if (element.equalsIgnoreCase("title")) {
                    final String name = reader.nextEvent().asCharacters().getData().trim();
                    for (final VersionInfo i : infos) {
                        if (name.equals(i.name)) {
                            current = i;
                            continue outer;
                        }
                    }
                    current = null;
                } else if (element.equalsIgnoreCase("description")) {
                    if (current == null)
                        continue;
                    final StringBuilder cl = new StringBuilder();
                    while ((e = reader.nextEvent()).isCharacters())
                        cl.append(e.asCharacters().getData());
                    current.changelog = "- " + StringEscapeUtils.unescapeHtml("" + cl).replace("<br>", "")
                            .replace("<p>", "").replace("</p>", "").replaceAll("\n(?!\n)", "\n- ");
                } else if (element.equalsIgnoreCase("pubDate")) {
                    if (current == null)
                        continue;
                    synchronized (RFC2822) { // to make FindBugs shut up
                        current.date = new Date(
                                RFC2822.parse(reader.nextEvent().asCharacters().getData()).getTime());
                    }
                }
            }
        }
    } catch (final IOException e) {
        stateLock.writeLock().lock();
        try {
            state = UpdateState.CHECK_ERROR;
            error.set(ExceptionUtils.toString(e));
            Skript.error(sender, m_check_error.toString());
        } finally {
            stateLock.writeLock().unlock();
        }
    } catch (final Exception e) {
        Skript.error(sender, m_internal_error.toString());
        Skript.exception(e, "Unexpected error while checking for a new version of Skript");
        stateLock.writeLock().lock();
        try {
            state = UpdateState.CHECK_ERROR;
            error.set(e.getClass().getSimpleName() + ": " + e.getLocalizedMessage());
        } finally {
            stateLock.writeLock().unlock();
        }
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (final IOException e) {
            }
        }
        if (r != null) {
            try {
                r.close();
            } catch (final IOException e) {
            }
        }
    }
}

---

From source file:ch.njol.skript.Updater.java

/**
 * @param sender Sender to receive messages
 * @param download Whether to directly download the newest version if one is found
 * @param isAutomatic/* w  ww .  j  a  v  a 2  s  .co m*/
 */
static void check(final CommandSender sender, final boolean download, final boolean isAutomatic) {
    stateLock.writeLock().lock();
    try {
        if (state == UpdateState.CHECK_IN_PROGRESS || state == UpdateState.DOWNLOAD_IN_PROGRESS)
            return;
        state = UpdateState.CHECK_IN_PROGRESS;
    } finally {
        stateLock.writeLock().unlock();
    }
    if (!isAutomatic || Skript.logNormal())
        Skript.info(sender, "" + m_checking);
    Skript.newThread(new Runnable() {
        @Override
        public void run() {
            infos.clear();

            InputStream in = null;
            try {
                final URLConnection conn = new URL(filesURL).openConnection();
                conn.setRequestProperty("User-Agent", "Skript/v" + Skript.getVersion() + " (by Njol)");
                in = conn.getInputStream();
                final BufferedReader reader = new BufferedReader(new InputStreamReader(in,
                        conn.getContentEncoding() == null ? "UTF-8" : conn.getContentEncoding()));
                try {
                    final String line = reader.readLine();
                    if (line != null) {
                        final JSONArray a = (JSONArray) JSONValue.parse(line);
                        for (final Object o : a) {
                            final Object name = ((JSONObject) o).get("name");
                            if (!(name instanceof String)
                                    || !((String) name).matches("\\d+\\.\\d+(\\.\\d+)?( \\(jar( only)?\\))?"))// not the default version pattern to not match beta/etc. versions
                                continue;
                            final Object url = ((JSONObject) o).get("downloadUrl");
                            if (!(url instanceof String))
                                continue;

                            final Version version = new Version(((String) name).contains(" ")
                                    ? "" + ((String) name).substring(0, ((String) name).indexOf(' '))
                                    : ((String) name));
                            if (version.compareTo(Skript.getVersion()) > 0) {
                                infos.add(new VersionInfo((String) name, version, (String) url));
                            }
                        }
                    }
                } finally {
                    reader.close();
                }

                if (!infos.isEmpty()) {
                    Collections.sort(infos);
                    latest.set(infos.get(0));
                } else {
                    latest.set(null);
                }

                getChangelogs(sender);

                final String message = infos.isEmpty()
                        ? (Skript.getVersion().isStable() ? "" + m_running_latest_version
                                : "" + m_running_latest_version_beta)
                        : "" + m_update_available;
                if (isAutomatic && !infos.isEmpty()) {
                    Skript.adminBroadcast(message);
                } else {
                    Skript.info(sender, message);
                }

                if (download && !infos.isEmpty()) {
                    stateLock.writeLock().lock();
                    try {
                        state = UpdateState.DOWNLOAD_IN_PROGRESS;
                    } finally {
                        stateLock.writeLock().unlock();
                    }
                    download_i(sender, isAutomatic);
                } else {
                    stateLock.writeLock().lock();
                    try {
                        state = UpdateState.CHECKED_FOR_UPDATE;
                    } finally {
                        stateLock.writeLock().unlock();
                    }
                }
            } catch (final IOException e) {
                stateLock.writeLock().lock();
                try {
                    state = UpdateState.CHECK_ERROR;
                    error.set(ExceptionUtils.toString(e));
                    if (sender != null)
                        Skript.error(sender, m_check_error.toString());
                } finally {
                    stateLock.writeLock().unlock();
                }
            } catch (final Exception e) {
                if (sender != null)
                    Skript.error(sender, m_internal_error.toString());
                Skript.exception(e, "Unexpected error while checking for a new version of Skript");
                stateLock.writeLock().lock();
                try {
                    state = UpdateState.CHECK_ERROR;
                    error.set(e.getClass().getSimpleName() + ": " + e.getLocalizedMessage());
                } finally {
                    stateLock.writeLock().unlock();
                }
            } finally {
                if (in != null) {
                    try {
                        in.close();
                    } catch (final IOException e) {
                    }
                }
            }
        }
    }, "Skript update thread").start();
}

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From source file:com.frostwire.gui.library.LibraryUtils.java

private static InternetRadioStation processInternetRadioStationUrl(String urlStr) throws Exception {
    URL url = new URL(urlStr);
    URLConnection conn = url.openConnection();
    conn.setConnectTimeout(10000);//from  w w w  .  j a v  a  2 s . co m
    conn.setRequestProperty("User-Agent", "Java");
    InputStream is = conn.getInputStream();
    BufferedReader d = null;
    if (conn.getContentEncoding() != null) {
        d = new BufferedReader(new InputStreamReader(is, conn.getContentEncoding()));
    } else {
        d = new BufferedReader(new InputStreamReader(is));
    }

    String pls = "";
    String[] props = null;
    String strLine;
    int numLine = 0;
    while ((strLine = d.readLine()) != null) {
        pls += strLine + "\n";
        if (strLine.startsWith("File1=")) {
            String streamUrl = strLine.split("=")[1];
            props = processStreamUrl(streamUrl);
        } else if (strLine.startsWith("icy-name:")) {
            pls = "";
            props = processStreamUrl(urlStr);
            break;
        }

        numLine++;
        if (numLine > 10) {
            if (props == null) { // not a valid pls
                break;
            }
        }
    }

    is.close();

    if (props != null && props[0] != null) {
        return LibraryMediator.getLibrary().newInternetRadioStation(props[0], props[0], props[1], props[2],
                props[3], props[4], props[5], pls, false);
    } else {
        return null;
    }
}

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From source file:com.frostwire.gui.library.LibraryUtils.java

private static String[] processStreamUrl(String streamUrl) throws Exception {
    URL url = new URL(streamUrl);
    System.out.print(" - " + streamUrl);
    URLConnection conn = url.openConnection();
    conn.setConnectTimeout(10000);/*from w ww.ja v a 2 s  .  c om*/
    conn.setRequestProperty("User-Agent", "Java");
    InputStream is = conn.getInputStream();
    BufferedReader d = null;
    if (conn.getContentEncoding() != null) {
        d = new BufferedReader(new InputStreamReader(is, conn.getContentEncoding()));
    } else {
        d = new BufferedReader(new InputStreamReader(is));
    }

    String name = null;
    String genre = null;
    String website = null;
    String type = null;
    String br = null;

    String strLine;
    int i = 0;
    while ((strLine = d.readLine()) != null && i < 10) {
        if (strLine.startsWith("icy-name:")) {
            name = clean(strLine.split(":")[1]);
        } else if (strLine.startsWith("icy-genre:")) {
            genre = clean(strLine.split(":")[1]);
        } else if (strLine.startsWith("icy-url:")) {
            website = strLine.split("icy-url:")[1].trim();
        } else if (strLine.startsWith("content-type:")) {
            String contentType = strLine.split(":")[1].trim();
            if (contentType.equals("audio/aacp")) {
                type = "AAC+";
            } else if (contentType.equals("audio/mpeg")) {
                type = "MP3";
            } else if (contentType.equals("audio/aac")) {
                type = "AAC";
            }
        } else if (strLine.startsWith("icy-br:")) {
            br = strLine.split(":")[1].trim() + " kbps";
        }
        i++;
    }

    is.close();

    return new String[] { name, streamUrl, br, type, website, genre };
}

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From source file:bolts.WebViewAppLinkResolver.java

/**
 * Gets a string with the proper encoding (including using the charset specified in the MIME type
 * of the request) from a URLConnection.
 *//*from ww w .  j a  v a 2 s .  com*/
private static String readFromConnection(URLConnection connection) throws IOException {
    InputStream stream;
    if (connection instanceof HttpURLConnection) {
        HttpURLConnection httpConnection = (HttpURLConnection) connection;
        try {
            stream = connection.getInputStream();
        } catch (Exception e) {
            stream = httpConnection.getErrorStream();
        }
    } else {
        stream = connection.getInputStream();
    }
    try {
        ByteArrayOutputStream output = new ByteArrayOutputStream();
        byte[] buffer = new byte[1024];
        int read = 0;
        while ((read = stream.read(buffer)) != -1) {
            output.write(buffer, 0, read);
        }
        String charset = connection.getContentEncoding();
        if (charset == null) {
            String mimeType = connection.getContentType();
            String[] parts = mimeType.split(";");
            for (String part : parts) {
                part = part.trim();
                if (part.startsWith("charset=")) {
                    charset = part.substring("charset=".length());
                    break;
                }
            }
            if (charset == null) {
                charset = "UTF-8";
            }
        }
        return new String(output.toByteArray(), charset);
    } finally {
        stream.close();
    }
}

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From source file:com.adobe.phonegap.contentsync.Sync.java

private static TrackingInputStream getInputStream(URLConnection conn) throws IOException {
    String encoding = conn.getContentEncoding();
    if (encoding != null && encoding.equalsIgnoreCase("gzip")) {
        return new TrackingGZIPInputStream(new ExposedGZIPInputStream(conn.getInputStream()));
    }/*from  w ww .j a v a  2  s . co m*/
    return new SimpleTrackingInputStream(conn.getInputStream());
}

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From source file:com.sxit.crawler.utils.ArchiveUtils.java

/**
 * Get a BufferedReader on the crawler journal given.
 * /*w  ww.  j a va 2  s  . c o m*/
 * @param source URL journal
 * @return journal buffered reader.
 * @throws IOException
 */
public static BufferedReader getBufferedReader(URL source) throws IOException {
    URLConnection conn = source.openConnection();
    boolean isGzipped = conn.getContentType() != null
            && conn.getContentType().equalsIgnoreCase("application/x-gzip")
            || conn.getContentEncoding() != null && conn.getContentEncoding().equalsIgnoreCase("gzip");
    InputStream uis = conn.getInputStream();
    return new BufferedReader(
            isGzipped ? new InputStreamReader(new GZIPInputStream(uis)) : new InputStreamReader(uis));
}

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