Example usage for java.net URLConnection setRequestProperty

Introduction

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

Prototype

public void setRequestProperty(String key, String value) 

Source Link

Document

Sets the general request property.

Usage

From source file:radet.publisher.JmsPublishJob.java

private static boolean downloadPdfIfModifiedSince(long modifiedSince)
        throws IOException, MalformedURLException {
    SimpleDateFormat sdf = new SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss z", Locale.US);
    sdf.setTimeZone(TimeZone.getTimeZone("GMT"));
    Calendar ifModifiedSince = Calendar.getInstance(TimeZone.getTimeZone("GMT"), Locale.US);
    ifModifiedSince.setTimeInMillis(modifiedSince);

    URL url = new URL("http://radet.ro/opriri/Opriri_programate.pdf");
    URLConnection connection = url.openConnection();
    connection.setRequestProperty("If-Modified-Since", sdf.format(ifModifiedSince.getTime()));
    try (InputStream urlInputStream = connection.getInputStream()) {
        try (OutputStream pdfOutputStream = new FileOutputStream(PDF_FILE)) {
            IOUtils.write(IOUtils.toByteArray(urlInputStream), pdfOutputStream);
        }/*from  w  w  w . jav  a2s  .c om*/
    }
    return connection.getContentLengthLong() > 0;
}

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From source file:net.foxgenesis.helper.SiteReader.java

private static BufferedReader getStream(URL url) throws IOException {
    URLConnection connection = url.openConnection();
    connection.setRequestProperty("User-Agent", "X-ServerStats");
    connection.setReadTimeout(5000);//from w  w w  . j a va2  s. co m
    return new BufferedReader(new InputStreamReader(connection.getInputStream()));
}

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From source file:Utils.RdwTool.java

/**
 *
 * @param numberplate a dutch license plate.
 * @return//w  ww  . j  ava 2 s.  co m
 * @throws IOException
 */
public static String getCarJSON(String licensePlate) throws IOException {

    //clean the license plate string if non alphanumeric characters.
    licensePlate = cleanLicensePlate(licensePlate);

    //string for connecting to the RDW API.
    //returned fields are determined in the $select clause. See for additional fields the respective documentation at the azure datamarket.
    //we're filtering on license plate in $filter. the license plate is provided by the user.
    String dmUrl = "https://api.datamarket.azure.com/opendata.rdw/VRTG.Open.Data/v1/"
            + "KENT_VRTG_O_DAT?$format=json&$select=Aantalzitplaatsen,Handelsbenaming,Merk&$filter=Kenteken%20eq%20%27"
            + licensePlate + "%27";

    //setting up the correct format for the accountkey
    String accountKey = "vRedoLtl8GWiKh3lKokeXLitDylXpWkrAlKIkAZPc/k";
    byte[] accountKeyBytes = Base64.encodeBase64((accountKey + ":" + accountKey).getBytes());
    String accountKeyEnc = new String(accountKeyBytes);

    //connect to the URL with correct properties
    URL url = new URL(dmUrl);
    URLConnection urlConnection = url.openConnection();
    urlConnection.setRequestProperty("Authorization", "Basic " + accountKeyEnc);

    //write the JSON reply to a string and return it
    BufferedReader in = new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));
    StringBuilder sb = new StringBuilder();
    String inputLine;
    while ((inputLine = in.readLine()) != null) {
        sb.append(inputLine);
    }
    String jsonText = sb.toString();
    return jsonText;
}

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From source file:com.meetingninja.csse.database.BaseDatabaseAdapter.java

protected static void addRequestHeader(URLConnection connection, boolean isPost) {
    connection.setRequestProperty("User-Agent", USER_AGENT);
    connection.setRequestProperty("Accept", ACCEPT_TYPE);
    connection.setDoOutput(isPost);//  w ww .j a  v a2 s  .  c o  m
    if (isPost) {
        connection.setRequestProperty("Content-Type", CONTENT_TYPE);
    }
}

---

From source file:biz.wolschon.finance.jgnucash.helper.HttpFetcher.java

/**
 * Fetch the given URL with http-basic-auth.
 * @param url the URL/*from   ww  w .  jav  a2s.c o  m*/
 * @param username username
 * @param password password
 * @return the page-content or null
 */
public static InputStream fetchURLStream(final URL url, final String username, final String password) {

    try {
        String userPassword = username + ":" + password;

        // Encode String
        String encoding = new sun.misc.BASE64Encoder().encode(userPassword.getBytes());

        URLConnection uc = url.openConnection();
        uc.setRequestProperty("Authorization", "Basic " + encoding);
        return uc.getInputStream();
    } catch (MalformedURLException e) {
        e.printStackTrace();
        LOGGER.error("cannot fetch malformed URL " + url, e);
        return null;
    } catch (IOException e) {
        e.printStackTrace();
        LOGGER.error("cannot fetch URL " + url, e);
        return null;
    }
}

---

From source file:com.vaadin.tools.ReportUsage.java

private static void doHttpGet(String userAgent, String url) {
    Throwable caught;/* ww  w . jav  a 2  s  . c o  m*/
    InputStream is = null;
    try {
        URL urlToGet = new URL(url);
        URLConnection conn = urlToGet.openConnection();
        conn.setRequestProperty(USER_AGENT, userAgent);
        is = conn.getInputStream();
        // TODO use the results
        IOUtils.toByteArray(is);
        return;
    } catch (MalformedURLException e) {
        caught = e;
    } catch (IOException e) {
        caught = e;
    } finally {
        IOUtils.closeQuietly(is);
    }

    Logger.getLogger(ReportUsage.class.getName())
            .fine("Caught an exception while executing HTTP query: " + caught.getMessage());
}

---

From source file:net.technicpack.launchercore.restful.RestObject.java

public static <T extends RestObject> T getRestObject(Class<T> restObject, String url)
        throws RestfulAPIException {
    InputStream stream = null;// ww w.ja v a2s.  c om
    try {
        URLConnection conn = new URL(url).openConnection();
        conn.setRequestProperty("User-Agent",
                "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.4; en-US; rv:1.9.2.2) Gecko/20100316 Firefox/3.6.2");
        conn.setConnectTimeout(15000);
        conn.setReadTimeout(15000);

        stream = conn.getInputStream();
        String data = IOUtils.toString(stream);
        T result = gson.fromJson(data, restObject);

        if (result == null) {
            throw new RestfulAPIException("Unable to access URL [" + url + "]");
        }

        if (result.hasError()) {
            throw new RestfulAPIException("Error in response: " + result.getError());
        }

        return result;
    } catch (SocketTimeoutException e) {
        throw new RestfulAPIException("Timed out accessing URL [" + url + "]", e);
    } catch (MalformedURLException e) {
        throw new RestfulAPIException("Invalid URL [" + url + "]", e);
    } catch (JsonParseException e) {
        throw new RestfulAPIException("Error parsing response JSON at URL [" + url + "]", e);
    } catch (IOException e) {
        throw new RestfulAPIException("Error accessing URL [" + url + "]", e);
    } finally {
        IOUtils.closeQuietly(stream);
    }
}

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From source file:org.fusesource.cloudmix.agent.security.SecurityUtils.java

/**
 * Get input stream for URL adding credentials if neccessary.
 * //from ww w .j av a2 s.c  om
 * @param url
 * @return input stream for URL
 * @throws IOException
 */
public static InputStream getInputStream(URL url) throws IOException {
    URLConnection conn = url.openConnection();
    String userInfo = url.getUserInfo();
    if (userInfo != null && !"".equals(userInfo)) {
        conn.setRequestProperty("Authorization", getBasicAuthHeader(userInfo));
    }
    return conn.getInputStream();
}

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From source file:sx.blah.discord.util.Image.java

/**
 * Generates an avatar image from a direct link to an image.
 *
 * @param imageType The image type, ex. jpeg, png, etc.
 * @param url The direct link to an image.
 * @return The avatar image.//from w  w  w.ja  v a  2 s.c o  m
 */
static Image forUrl(String imageType, String url) {
    return () -> {
        try {
            URLConnection urlConnection = new URL(url).openConnection();
            urlConnection.setRequestProperty("User-Agent",
                    "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36");
            InputStream stream = urlConnection.getInputStream();
            return forStream(imageType, stream).getData();
        } catch (IOException e) {
            Discord4J.LOGGER.error(LogMarkers.UTIL, "Discord4J Internal Exception", e);
        }
        return defaultAvatar().getData();
    };
}

---

From source file:Bing.java

/**
 *
 * @param query - query to use for the search
 * @return - a json array of results. each contains a title, description, url,
 * and some other metadata that can be easily extracted since its in json format
 *///  www .j  a va 2  s  .  co  m
public static JSONArray search(String query) {
    try {
        query = "'" + query + "'";
        String encodedQuery = URLEncoder.encode(query, "UTF-8");
        System.out.println(encodedQuery);
        //            URL url = new URL("https://api.datamarket.azure.com/Bing/Search/v1/Composite?Sources=%27web%27&Query=%27car%27");
        //            URL url = new URL("http://csb.stanford.edu/class/public/pages/sykes_webdesign/05_simple.html");
        String webPage = "https://api.datamarket.azure.com/Bing/Search/v1/Composite?Sources=%27web%27&Query="
                + encodedQuery + "&$format=JSON";
        String name = "6604d12c-3e89-4859-8013-3132f78c1595";
        String password = "cefgNRl3OL4PrJJvssxkqLw0VKfYNCgyTe8wNXotUmQ";

        String authString = name + ":" + password;
        System.out.println("auth string: " + authString);
        byte[] authEncBytes = Base64.encodeBase64(authString.getBytes());
        String authStringEnc = new String(authEncBytes);
        System.out.println("Base64 encoded auth string: " + authStringEnc);

        URL url = new URL(webPage);
        URLConnection urlConnection = url.openConnection();
        urlConnection.setRequestProperty("Authorization", "Basic " + authStringEnc);

        BufferedReader in = new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));
        String inputLine;
        StringBuilder response = new StringBuilder();

        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine).append("\n");
        }

        in.close();
        JSONParser parser = new JSONParser();
        JSONArray arr = (JSONArray) ((JSONObject) ((JSONObject) parser.parse(response.toString())).get("d"))
                .get("results");
        JSONObject obj = (JSONObject) arr.get(0);
        JSONArray out = (JSONArray) obj.get("Web");

        return out;

        //

    } catch (MalformedURLException ex) {
        Logger.getLogger(Bing.class.getName()).log(Level.SEVERE, null, ex);
    } catch (IOException ex) {
        Logger.getLogger(Bing.class.getName()).log(Level.SEVERE, null, ex);
    } catch (ParseException ex) {
        Logger.getLogger(Bing.class.getName()).log(Level.SEVERE, null, ex);
    }
    return null;
}

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