Example usage for java.net URL openConnection

Introduction

In this page you can find the example usage for java.net URL openConnection.

Prototype

public URLConnection openConnection() throws java.io.IOException 

Source Link

Document

Returns a java.net.URLConnection URLConnection instance that represents a connection to the remote object referred to by the URL .

Usage

From source file:Main.java

@SuppressWarnings("SameParameterValue")
public static Bitmap fetchAndRescaleBitmap(String uri, int width, int height) throws IOException {
    URL url = new URL(uri);
    BufferedInputStream is = null;
    try {// ww  w.  ja v a  2s  .com
        HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
        is = new BufferedInputStream(urlConnection.getInputStream());
        is.mark(MAX_READ_LIMIT_PER_IMG);
        int scaleFactor = findScaleFactor(width, height, is);
        Log.d(TAG, "Scaling bitmap " + uri + " by factor " + scaleFactor + " to support " + width + "x" + height
                + "requested dimension");
        is.reset();
        return scaleBitmap(scaleFactor, is);
    } finally {
        if (is != null) {
            is.close();
        }
    }
}

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From source file:com.taobao.diamond.server.controller.CheckController.java

public static String url2str(String sURL, String encoding) {
    try {//  ww w.jav a 2s  .  c  om
        URL url = new URL(sURL);
        URLConnection conn = url.openConnection();
        if (conn instanceof HttpURLConnection) {
            HttpURLConnection httpUrl = (HttpURLConnection) conn;
            httpUrl.getResponseCode();
        }
        InputStream is = conn.getInputStream();
        BufferedReader br = new BufferedReader(new InputStreamReader(is, encoding));
        String r = "";
        char[] cbuf = new char[1024];
        while (br.read(cbuf) > 0) {
            r += new String(cbuf);
        }
        return r;
    } catch (IOException e) {
        e.printStackTrace();
    }
    return null;
}

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From source file:com.appdynamics.common.RESTClient.java

public static void sendPost(String urlString, String input, String apiKey) {
    try {/*from   ww w.  j  a  va 2s  . co m*/
        URL url = new URL(urlString);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setDoOutput(true);
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", "application/json");

        conn.setRequestProperty("Authorization",
                "Basic " + new String(Base64.encodeBase64((apiKey).getBytes())));

        OutputStream os = conn.getOutputStream();
        os.write(input.getBytes());
        os.flush();

        if (conn.getResponseCode() != HttpURLConnection.HTTP_CREATED) {
            throw new RuntimeException("Failed : HTTP error code : " + conn.getResponseCode());
        }

        BufferedReader br = new BufferedReader(new InputStreamReader((conn.getInputStream())));

        String output;
        logger.info("Output from Server .... \n");
        while ((output = br.readLine()) != null) {
            logger.info(output);
        }

        conn.disconnect();

    } catch (MalformedURLException e) {

        e.printStackTrace();

    } catch (IOException e) {

        e.printStackTrace();

    }

}

---

From source file:com.compomics.colims.core.util.AccessionConverter.java

/**
 * convenience method for opening a buffered reader to an url, standard
 * timeout is set to 500 milliseconds//from   www  . ja  v a  2 s  .  c  o  m
 *
 * @param aUrl the url to open a reader to
 * @return the buffered reader for reading the url
 * @throws IOException if the url could not be read
 */
public static BufferedReader openReader(String aUrl) throws IOException {
    URL myURL = new URL(aUrl);
    HttpURLConnection c = (HttpURLConnection) myURL.openConnection();
    c.setConnectTimeout(500);
    return new BufferedReader(new InputStreamReader(new BufferedInputStream(c.getInputStream()), "UTF-8"));
}

---

From source file:com.compomics.colims.core.util.AccessionConverter.java

public static BufferedInputStream openStream(String aURL) throws IOException {
    URL myURL = new URL(aURL);
    HttpURLConnection c = (HttpURLConnection) myURL.openConnection();
    c.setConnectTimeout(500);//from  w w w .j  a  v a2  s  .c  o m
    return new BufferedInputStream(c.getInputStream());

}

---

From source file:com.fluidops.iwb.provider.GoogleRefineProvider.java

/**
 * utility to simplify doing POST requests
 * //from  w  w  w . j a  v  a2s.  c  om
 * @param url         URL to post to
 * @param parameter      map of parameters to post
 * @return            URLConnection is a state where post parameters have been sent
 * @throws IOException
 * 
 * TODO: move to util class
 */
public static URLConnection doPost(URL url, Map<String, String> parameter) throws IOException {
    URLConnection con = url.openConnection();
    con.setDoOutput(true);

    StringBuilder params = new StringBuilder();
    for (Entry<String, String> entry : parameter.entrySet())
        params.append(StringUtil.urlEncode(entry.getKey())).append("=")
                .append(StringUtil.urlEncode(entry.getValue())).append("&");

    // Send data
    OutputStreamWriter wr = new OutputStreamWriter(con.getOutputStream());
    wr.write(params.toString());
    wr.flush();
    wr.close();

    return con;
}

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From source file:com.thomaskuenneth.openweathermapweather.WeatherUtils.java

public static String getFromServer(String url) throws MalformedURLException, IOException {
    StringBuilder sb = new StringBuilder();
    URL _url = new URL(url);
    HttpURLConnection httpURLConnection = (HttpURLConnection) _url.openConnection();
    String contentType = httpURLConnection.getContentType();
    String charSet = "ISO-8859-1";
    if (contentType != null) {
        Matcher m = PATTERN_CHARSET.matcher(contentType);
        if (m.matches()) {
            charSet = m.group(1);/*  w  w  w  .ja v  a  2 s.c  o m*/
        }
    }
    final int responseCode = httpURLConnection.getResponseCode();
    if (responseCode == HttpURLConnection.HTTP_OK) {
        InputStreamReader inputStreamReader = new InputStreamReader(httpURLConnection.getInputStream(),
                charSet);
        BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
        String line;
        while ((line = bufferedReader.readLine()) != null) {
            sb.append(line);
        }
        try {
            bufferedReader.close();
        } catch (IOException ex) {
            LOGGER.log(Level.SEVERE, "getFromServer()", ex);
        }
    }
    httpURLConnection.disconnect();
    return sb.toString();
}

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From source file:emily.util.YTUtil.java

/**
 * @param videocode youtubecode// w ww.j a  v a 2 s .  co m
 * @return whats in the <title> tag on a youtube page
 */
public static String getTitleFromPage(String videocode) {
    String ret = "";
    try {
        URL loginurl = new URL("https://www.youtube.com/watch?v=" + videocode);
        URLConnection yc = loginurl.openConnection();
        yc.setConnectTimeout(10 * 1000);
        BufferedReader in = new BufferedReader(new InputStreamReader(yc.getInputStream()));
        StringBuilder input = new StringBuilder();
        String inputLine;
        while ((inputLine = in.readLine()) != null)
            input.append(inputLine);
        in.close();
        int start = input.indexOf("<title>");
        int end = input.indexOf("</title>");
        ret = input.substring(start + 7, end - 10);
    } catch (Exception e) {
        System.out.println(e);
        e.printStackTrace();
    }
    return StringEscapeUtils.unescapeHtml4(ret);
}

---

From source file:org.kegbot.app.util.Downloader.java

/**
 * Downloads an HTTP resource to an output file.
 *
 * @param url    the resource to download
 * @param output the output file//  w ww.j  ava 2 s.  c om
 * @throws IOException upon any error
 */
public static void downloadRaw(final String url, final File output) throws IOException {
    final URL destUrl = new URL(url);
    final HttpURLConnection connection = (HttpURLConnection) destUrl.openConnection();

    final FileOutputStream out = new FileOutputStream(output);
    final InputStream input = connection.getInputStream();

    try {
        byte buffer[] = new byte[4096];
        int len;
        while ((len = input.read(buffer)) >= 0) {
            out.write(buffer, 0, len);
        }
    } finally {
        out.close();
        input.close();
    }

}

---

From source file:lapispaste.Main.java

private static void paster(Map<String, String> pastemap, StringBuffer pdata) {
    try {//from w  w w . j a v  a  2s. c o m
        URL url = new URL("http://paste.linux-sevenler.org/index.php");
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();

        // set connection 'writeable'
        conn.setDoOutput(true);
        conn.setDoInput(true);
        conn.setRequestMethod("POST");

        // construct the data...
        String data;
        String pdataString = pdata.toString();
        data = URLEncoder.encode("language", "ISO-8859-9") + "="
                + URLEncoder.encode(pastemap.get("format"), "ISO-8859-9");
        data += "&" + URLEncoder.encode("source", "ISO-8859-9") + "="
                + URLEncoder.encode(pdataString, "ISO-8859-9");
        data += "&" + URLEncoder.encode("submit", "ISO-8859-9") + "="
                + URLEncoder.encode(" Kaydet ", "ISO-8859-9");

        OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
        wr.write(data);
        wr.flush();

        // get new url where the paste is
        conn.getInputStream();
        System.out.println(conn.getURL());
        conn.disconnect();
    } catch (IOException ex) {
        ex.printStackTrace();
    }
}

---

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