Example usage for java.net HttpURLConnection disconnect

List of usage examples for java.net HttpURLConnection disconnect

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Introduction

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

Prototype

public abstract void disconnect();

Source Link

Document

Indicates that other requests to the server are unlikely in the near future.

Usage

From source file:com.cyphermessenger.client.SyncRequest.java

public static List<String> findUser(CypherSession session, String username, int limit)
        throws IOException, APIErrorException {
    String[] keys = new String[] { "username", "limit" };
    String[] vals = new String[] { username, limit + "" };

    HttpURLConnection conn = doRequest("find", session, keys, vals);

    if (conn.getResponseCode() != 200) {
        throw new IOException("Server error");
    }/*from w ww .  j a  va 2 s.  c o  m*/

    JsonNode node = MAPPER.readTree(conn.getInputStream());
    conn.disconnect();
    int statusCode = node.get("status").asInt();
    if (statusCode != StatusCode.OK) {
        throw new APIErrorException(statusCode);
    } else {
        return Utils.MAPPER.treeToValue(node.get("users"), ArrayList.class);
    }
}

From source file:Main.java

/**
 * Downloads a file via HTTP(S) GET to the given path. This function cannot be called from the
 * UI thread. Android does not allow it.
 *
 * @param urlString Url to the ressource to download.
 * @param file      file to be written to.
 * @param overwrite if file exists, overwrite?
 * @return flase if download was not successful. If successful, true.
 *///from  w  ww  .  ja v  a2  s. c  om
private static Boolean fileDownloadHttp(String urlString, File file, Boolean overwrite) {
    HashMap<String, String> result = null;
    URL url = null;
    //        File temp;

    try {
        url = new URL(urlString);

        HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
        urlConnection.setRequestMethod("GET");
        urlConnection.setReadTimeout(200000);
        urlConnection.connect();
        InputStream in = new BufferedInputStream(urlConnection.getInputStream());

        FileOutputStream outputStream = new FileOutputStream(file);

        int read = 0;
        byte[] bytes = new byte[1024];

        while ((read = in.read(bytes)) != -1) {
            outputStream.write(bytes, 0, read);
        }

        in.close();
        outputStream.close();
        urlConnection.disconnect();
    } catch (MalformedURLException e) {
        e.printStackTrace();
        return false;
    } catch (IOException e) {
        e.printStackTrace();
        return false;
    }
    Log.d(TAG, "File download: " + file.getAbsolutePath() + url.getFile() + "overwrite " + overwrite
            + "exists? " + file.exists());
    return true;
}

From source file:Main.java

static public String download_json(String url_addr) {
    StringBuilder result = new StringBuilder();
    try {/*  w  w w .ja  va  2s . c om*/
        URL url = new URL(url_addr);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        if (conn != null) {
            conn.setConnectTimeout(10000);
            conn.setUseCaches(false);
            if (conn.getResponseCode() == HttpURLConnection.HTTP_OK) {
                BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream()));
                for (;;) {
                    String line = br.readLine();
                    if (line == null)
                        break;
                    result.append(line + '\n');
                }
                br.close();
            } else {
                conn.disconnect();
                return null;
            }
            conn.disconnect();
        }
    } catch (Exception e) {
        Log.e(TAG, e.toString());
        return null;
    }
    return result.toString();
}

From source file:Main.java

public static String getJsonWithPath(String path) {
    StringBuffer sb = new StringBuffer();
    URL url = null;/*from w  ww  .j a va 2 s. c  o  m*/
    HttpURLConnection conn = null;
    BufferedReader br = null;

    try {
        url = new URL(path);
        conn = (HttpURLConnection) url.openConnection();
        if (conn.getResponseCode() == HttpURLConnection.HTTP_OK) {
            br = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            String temp = "";
            while ((temp = br.readLine()) != null) {
                sb.append(temp);
            }
        } else {
            Log.e(TAG, " NET IS ERROR");
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        close(br);
        conn.disconnect();
    }
    Log.i("TAG", "---" + sb.toString());
    return sb.toString();
}

From source file:com.cyphermessenger.client.SyncRequest.java

public static Captcha requestCaptcha() throws IOException, APIErrorException {
    HttpURLConnection conn = doRequest("captcha");
    if (conn.getResponseCode() != 200) {
        throw new IOException("Server error");
    }/*w  ww  . j  av  a2  s .c  om*/
    InputStream in = conn.getInputStream();
    JsonNode node = MAPPER.readTree(in);
    conn.disconnect();
    int statusCode = node.get("status").asInt();
    String captchaTokenString = node.get("captchaToken").asText();
    String captchaHashString = node.get("captchaHash").asText();
    String captchaImageString = node.get("captchaBytes").asText();

    byte[] captchaHash = Utils.BASE64_URL.decode(captchaHashString);
    byte[] captchaImage = Utils.BASE64_URL.decode(captchaImageString);
    if (statusCode == StatusCode.OK) {
        return new Captcha(captchaTokenString, captchaHash, captchaImage);
    } else {
        throw new APIErrorException(statusCode);
    }
}

From source file:Main.java

public static boolean downloadUrlToStream(String urlString, OutputStream outputStream) {
    HttpURLConnection urlConnection = null;
    BufferedOutputStream out = null;
    BufferedInputStream in = null;
    try {/*from  w  w  w . j ava2  s .  c o m*/
        final URL url = new URL(urlString);
        urlConnection = (HttpURLConnection) url.openConnection();
        in = new BufferedInputStream(urlConnection.getInputStream(), 8 * 1024);
        out = new BufferedOutputStream(outputStream, 8 * 1024);
        int b;
        while ((b = in.read()) != -1) {
            out.write(b);
        }
        return true;
    } catch (final IOException e) {
        e.printStackTrace();
    } finally {
        if (urlConnection != null) {
            urlConnection.disconnect();
        }
        try {
            if (out != null) {
                out.close();
            }
            if (in != null) {
                in.close();
            }
        } catch (final IOException e) {
            e.printStackTrace();
        }
    }
    return false;
}

From source file:com.quackware.handsfreemusic.Utility.java

public static String getSourceCode(URL url) {
    Object content = null;/*w  w w . j  a v  a  2  s  .  c o m*/
    try {

        HttpURLConnection uc = (HttpURLConnection) url.openConnection();
        uc.setRequestProperty("User-Agent",
                "Mozilla/5.0 (Windows; U; Windows NT 6.1; ru; rv:1.9.2.4) Gecko/20100513 Firefox/3.6.4");
        uc.connect();
        InputStream stream = uc.getInputStream();
        if (stream != null) {
            content = readStream(uc.getContentLength(), stream);
        } else if ((content = uc.getContent()) != null && content instanceof java.io.InputStream)
            content = readStream(uc.getContentLength(), (java.io.InputStream) content);
        uc.disconnect();

    } catch (Exception ex) {
        return null;
    }
    if (content != null && content instanceof String) {
        String html = (String) content;
        return html;
    } else {
        return null;
    }
}

From source file:io.github.retz.web.JobRequestRouter.java

public static boolean statHTTPFile(String url, String name) {
    String addr = url.replace("files/browse", "files/download") + "%2F" + maybeURLEncode(name);

    HttpURLConnection conn = null;
    try {/*from   ww w . j  a va2s  .c  om*/
        conn = (HttpURLConnection) new URL(addr).openConnection();
        conn.setRequestMethod("HEAD");
        conn.setDoOutput(false);
        LOG.debug(conn.getResponseMessage());
        return conn.getResponseCode() == 200 || conn.getResponseCode() == 204;
    } catch (IOException e) {
        LOG.debug("Failed to fetch {}: {}", addr, e.toString());
        return false;
    } finally {
        if (conn != null) {
            conn.disconnect();
        }
    }
}

From source file:com.cyphermessenger.client.SyncRequest.java

public static void userLogout(CypherSession session) throws IOException, APIErrorException {
    HttpURLConnection conn = doRequest("logout", session, null);

    if (conn.getResponseCode() != 200) {
        throw new IOException("Server error");
    }/* w w  w  .  j  a  v a2 s.com*/

    InputStream in = conn.getInputStream();
    JsonNode node = MAPPER.readTree(in);
    conn.disconnect();
    int statusCode = node.get("status").asInt();
    if (statusCode != StatusCode.OK) {
        throw new APIErrorException(statusCode);
    }
}

From source file:com.mopaas_mobile.http.BaseHttpRequester.java

public static String doGETwithHeader(String urlstr, String token, List<BasicNameValuePair> params)
        throws IOException {
    String result = null;//from ww  w. j  a  v a  2s .  co  m
    String content = "";
    for (int i = 0; i < params.size(); i++) {
        content = content + "&" + URLEncoder.encode(((NameValuePair) params.get(i)).getName(), "UTF-8") + "="
                + URLEncoder.encode(((NameValuePair) params.get(i)).getValue(), "UTF-8");
    }
    URL url = new URL(urlstr + "?" + content.substring(1));
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestProperty("token", token);
    connection.setDoInput(true);
    connection.setRequestMethod("GET");
    connection.setUseCaches(false);
    connection.connect();
    InputStream is = connection.getInputStream();
    BufferedReader br = new BufferedReader(new InputStreamReader(is, "UTF-8"));

    StringBuffer b = new StringBuffer();
    int ch;
    while ((ch = br.read()) != -1) {
        b.append((char) ch);
    }
    result = b.toString().trim();
    connection.disconnect();
    return result;
}