Java Code Examples for java.net.URLConnection#setConnectTimeout()

The following examples show how to use java.net.URLConnection#setConnectTimeout() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may want to check out the right sidebar which shows the related API usage.
Example 1
Source Project: dragonite-java   File: UpdateChecker.java    License: Apache License 2.0 6 votes vote down vote up
public String getVersionString(final String productName) {
    try {
        final URL url = new URL(URLString);
        final URLConnection conn = url.openConnection();
        conn.setConnectTimeout(TIMEOUT);
        conn.setReadTimeout(TIMEOUT);
        try (final BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()))) {
            String line;
            while ((line = reader.readLine()) != null) {
                if (line.contains("-")) {
                    final String[] kv = line.split("-");
                    if (kv[0].equalsIgnoreCase(productName))
                        return kv[1];
                }
            }
        }
        return null;
    } catch (final IOException e) {
        return null;
    }
}
 
Example 2
Source Project: open-rmbt   File: JSONParser.java    License: Apache License 2.0 6 votes vote down vote up
public static String readUrl(final URL url) throws IOException 
{
    final URLConnection urlConnection = url.openConnection();
    try {
        urlConnection.setConnectTimeout(CONNECT_TIMEOUT);
        urlConnection.setReadTimeout(READ_TIMEOUT);
        
        final StringBuilder stringBuilder = new StringBuilder();
        final BufferedReader reader = new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));
        int read;
        final char[] chars = new char[1024];
        while ((read = reader.read(chars)) != -1)
            stringBuilder.append(chars, 0, read);
        return stringBuilder.toString();
    } finally {
        if (urlConnection instanceof HttpURLConnection)
            ((HttpURLConnection)urlConnection).disconnect();
    }
}
 
Example 3
Source Project: nyzoVerifier   File: NetworkUtil.java    License: The Unlicense 6 votes vote down vote up
public static String stringForUrl(String urlString, int timeoutMilliseconds) {

        StringBuilder result = new StringBuilder();
        try {
            URL url = new URL(urlString);
            URLConnection connection = url.openConnection();
            connection.setConnectTimeout(timeoutMilliseconds);

            BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            String line;
            while ((line = reader.readLine()) != null) {
                result.append(line);
            }

            reader.close();
        } catch (Exception ignored) { }

        return result.toString();
    }
 
Example 4
public URLConnection openConnection(String url, Map<String, String> headers, int connectTimeout, int readTimeout)
        throws IOException {
    if (LOGGER.isDebugEnabled()) {
        LOGGER.debug(String.format(
                "%s opening connection: url [%s], headers [%s], connectTimeout [%s], readTimeout [%s]", getClass()
                        .getSimpleName(), url, headers, connectTimeout, readTimeout));
    }
    URLConnection connection = new URL(url).openConnection(Proxy.NO_PROXY);
    if (headers != null) {
        for (Map.Entry<String, String> entry : headers.entrySet()) {
            connection.addRequestProperty(entry.getKey(), entry.getValue());
        }
    }
    if (connectTimeout < 0 || readTimeout < 0) {
        throw new IllegalArgumentException(String.format(
                "Neither connectTimeout [%s] nor readTimeout [%s] can be less than 0 for URLConnection.",
                connectTimeout, readTimeout));
    }
    connection.setConnectTimeout(connectTimeout);
    connection.setReadTimeout(readTimeout);
    return connection;
}
 
Example 5
Source Project: SikuliX1   File: ExtensionManagerFrame.java    License: MIT License 6 votes vote down vote up
private static String html2txt(String urlstring) throws IOException {
  URL url = new URL(urlstring);
  URLConnection yc = url.openConnection();
  yc.setConnectTimeout(5000);
  BufferedReader in = new BufferedReader(
          new InputStreamReader(
          yc.getInputStream()));
  String txt = "";
  String inputLine;

  while ((inputLine = in.readLine()) != null) {
    txt = txt + inputLine;
  }
  in.close();

  return txt;

}
 
Example 6
Source Project: jwks-rsa-java   File: UrlJwkProvider.java    License: MIT License 6 votes vote down vote up
private Map<String, Object> getJwks() throws SigningKeyNotFoundException {
    try {
        final URLConnection c = this.url.openConnection();
        if (connectTimeout != null) {
            c.setConnectTimeout(connectTimeout);
        }
        if (readTimeout != null) {
            c.setReadTimeout(readTimeout);
        }
        c.setRequestProperty("Accept", "application/json");
        
        try (InputStream inputStream = c.getInputStream()) {
            return reader.readValue(inputStream);
        }
    } catch (IOException e) {
        throw new NetworkException("Cannot obtain jwks from url " + url.toString(), e);
    }
}
 
Example 7
Source Project: lams   File: UpdateChecker.java    License: GNU General Public License v2.0 5 votes vote down vote up
private Properties getUpdateProperties(URL updateUrl) throws IOException {
  URLConnection connection = updateUrl.openConnection();
  connection.setConnectTimeout(3 * 1000);
  InputStream in = connection.getInputStream();
  try {
    Properties props = new Properties();
    props.load(connection.getInputStream());
    return props;
  } finally {
    if (in != null) {
      in.close();
    }
  }
}
 
Example 8
@Override
protected byte[] getBytesFromURLConnection(URLConnection connection) throws IOException {

  byte[] configurationFileData = null;

  // set timeouts - bug 2941010
  connection.setConnectTimeout(10000);
  connection.setReadTimeout(10000);

  if (connection instanceof HttpURLConnection) {

    if (!sFailedWith401URLs.contains(connection.getURL().toString())) {

      HttpURLConnection httpConn = (HttpURLConnection) connection;
      httpConn.setInstanceFollowRedirects(true);
      httpConn.connect();
      if (httpConn.getResponseCode() == HttpURLConnection.HTTP_UNAUTHORIZED) {
        try {
          RemoteConfigAuthenticator.removeCachedAuthInfo(connection.getURL());
        } catch (CheckstylePluginException e) {
          CheckstyleLog.log(e);
        }

        // add to 401ed URLs
        sFailedWith401URLs.add(connection.getURL().toString());
        throw new IOException(Messages.RemoteConfigurationType_msgUnAuthorized);
      }
    } else {
      // don't retry since we just get another 401
      throw new IOException(Messages.RemoteConfigurationType_msgUnAuthorized);
    }
  }

  try (InputStream in = connection.getInputStream()) {
    configurationFileData = ByteStreams.toByteArray(in);
  }

  return configurationFileData;
}
 
Example 9
Source Project: MaxKey   File: NetUtil.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * Open an input stream to a GET(-like) operation on an URL.
 * 
 * @param url The URL
 * @return Input stream to the URL connection
 * @throws IOException If an I/O error occurs
 */
public static InputStream openGetStream(URL url)
    throws IOException
{
	URLConnection conn = url.openConnection();

	conn.setConnectTimeout(CONNECT_TIMEOUT);
	conn.setReadTimeout(READ_TIMEOUT);

	// TODO: User-Agent?

	return conn.getInputStream();
}
 
Example 10
private Object readJson(String url) throws MalformedURLException, IOException {
	URLConnection conn = new URL(url).openConnection();
	conn.setConnectTimeout(5000);
	conn.setReadTimeout(8000);
	conn.addRequestProperty("User-Agent", "Updater (by filoghost)");
	conn.setDoOutput(true);

	return JSONValue.parse(new BufferedReader(new InputStreamReader(conn.getInputStream())));
}
 
Example 11
private URLConnection setupConnection(URI source) throws IOException {
    URLConnection connection = source.toURL().openConnection();
    connection.setConnectTimeout(CONNECTION_TIMEOUT);
    connection.setReadTimeout(READ_CONNECTION_TIMEOUT);

    return connection;
}
 
Example 12
Source Project: charging_pile_cloud   File: HttpClientUtil.java    License: MIT License 5 votes vote down vote up
/**
 * 封装HTTP GET方法
 *
 * @param
 * @return
 * @throws Exception 
 */
public static String get(String url) throws Exception {
    URL u = new URL(url);  
    if("https".equalsIgnoreCase(u.getProtocol())){  
        SSLUtil.ignoreSsl();  
    }  
    URLConnection conn = u.openConnection();  
    conn.setConnectTimeout(3000);  
    conn.setReadTimeout(3000);  
    return IOUtils.toString(conn.getInputStream()); 
}
 
Example 13
Source Project: eagle   File: InputStreamUtils.java    License: Apache License 2.0 5 votes vote down vote up
private static InputStream openGZIPInputStream(URL url, String auth, int timeout) throws IOException {
    final URLConnection connection = url.openConnection();
    connection.setConnectTimeout(CONNECTION_TIMEOUT);
    connection.setReadTimeout(timeout);
    connection.addRequestProperty(GZIP_HTTP_HEADER, GZIP_COMPRESSION);
    if (null != auth) {
        connection.setRequestProperty("Authorization", auth);
    }
    return new GZIPInputStream(connection.getInputStream());
}
 
Example 14
@Override
public void execute(JobExecutionContext context) throws JobExecutionException {

    String source = serverConfigurationService.getString("archives.import.source", null);
    if (source == null) {
        return;
    }

    log.info("Attempting to import archives listed in: "+ source);
    try {

        URL url = new URL(source);
        URLConnection connection = url.openConnection();
        connection.setRequestProperty("User-Agent", "Sakai Content Importer");
        connection.setConnectTimeout(30000);
        connection.setReadTimeout(30000);
        // Now make the connection.
        connection.connect();
        try (InputStream inputStream = connection.getInputStream()) {
            BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
            String line;
            while ((line = reader.readLine()) != null) {
                if (!line.isEmpty() && !line.startsWith("#")) {
                    String file = downloadArchive(line);
                    if (file != null) {
                        String siteId = extractSiteId(line);
                        scheduleImport(file, siteId);
                    }
                }
            }
        }

    } catch (IOException ioe) {
        log.warn("Problem with "+ source + " "+ ioe.getMessage());
    }
}
 
Example 15
private void downloadMyappFile(String myappUri) throws Exception {
    try {
        URL url = new URL(myappUri);
        URLConnection connection;
        if (!myappUri.startsWith("file://")) {
            connection = url.openConnection();
            connection.setReadTimeout(5000);
            connection.setConnectTimeout(5000);
        } else {
            connection = url.openConnection();
        }

        BufferedInputStream getit = new BufferedInputStream(connection.getInputStream(), 1024);

        File file_teste = new File(TMP_MYAPP_FILE);
        if (file_teste.exists())
            file_teste.delete();

        FileOutputStream saveit = new FileOutputStream(TMP_MYAPP_FILE);
        BufferedOutputStream bout = new BufferedOutputStream(saveit, 1024);
        byte data[] = new byte[1024];

        int readed = getit.read(data, 0, 1024);
        while (readed != -1) {
            bout.write(data, 0, readed);
            readed = getit.read(data, 0, 1024);
        }


        bout.close();
        getit.close();
        saveit.close();
    } catch (Exception e) {
        Logger.printException(e);
    }
}
 
Example 16
Source Project: XRTB   File: HttpPostGet.java    License: Apache License 2.0 4 votes vote down vote up
/**
 * Send an HTTP Post
 * @param targetURL
 *    String. The URL to transmit to.
 * @param data
 *            String. The payload String.
 * @param connTimeout
 * 			  int. The connection timeout in ms
 * @param readTimeout
 * 			  int. The read timeout in ms.
 * @return String. The contents of the POST return.
 * @throws Exception
 *             on network errors.
 */

public String sendPost(String targetURL, String data, int connTimeout, int readTimeout) throws Exception {
	URLConnection connection = new URL(targetURL).openConnection();
	connection.setRequestProperty("Content-Type", "application/json");
	connection.setDoInput(true);
	connection.setDoOutput(true);
	connection.setConnectTimeout(connTimeout);
	connection.setReadTimeout(readTimeout);
	OutputStream output = connection.getOutputStream();
	
	try {
		output.write(data.getBytes());
	} finally {
		try {
			output.close();
		} catch (IOException logOrIgnore) {
			logOrIgnore.printStackTrace();
		}
	}
	InputStream response = connection.getInputStream();
	
	http = (HttpURLConnection) connection;
	code = http.getResponseCode();
	
	String value = http.getHeaderField("Content-Encoding");
	
	if (value != null && value.equals("gzip")) {
		byte bytes [] = new byte[4096];
		ByteArrayOutputStream baos = new ByteArrayOutputStream();
		GZIPInputStream gis = new GZIPInputStream(http.getInputStream());
		while(true) {
			int n = gis.read(bytes);
			if (n < 0) break;
			baos.write(bytes,0,n);
		}
		return new String(baos.toByteArray());
	}
	
		

	byte [] b = getContents(response);
	if (b.length == 0)
		return null;
	return new String(b, 0, b.length);
}
 
Example 17
Source Project: bidder   File: HttpPostGet.java    License: Apache License 2.0 4 votes vote down vote up
/**
 * Send an HTTP Post
 * @param targetURL
 *    String. The URL to transmit to.
 * @param data
 *            byte[]. The payload bytes.
 * @param connTimeout
 * 			  int. The connection timeout in ms
 * @param readTimeout
 * 			  int. The read timeout in ms.
 * @return byte[]. The contents of the POST return.
 * @throws Exception
 *             on network errors.
 */
public byte [] sendPost(String targetURL,  byte [] data, int connTimeout, int readTimeout) throws Exception {
	URLConnection connection = new URL(targetURL).openConnection();
	connection.setRequestProperty("Content-Type", "application/json");
	connection.setDoInput(true);
	connection.setDoOutput(true);
	connection.setConnectTimeout(connTimeout);
	connection.setReadTimeout(readTimeout);
	OutputStream output = connection.getOutputStream();
	
	try {
		output.write(data);
	} finally {
		try {
			output.close();
		} catch (IOException logOrIgnore) {
			logOrIgnore.printStackTrace();
		}
	}
	InputStream response = connection.getInputStream();
	
	http = (HttpURLConnection) connection;
	code = http.getResponseCode();
	
	String value = http.getHeaderField("Content-Encoding");
	
	if (value != null && value.equals("gzip")) {
		byte bytes [] = new byte[4096];
		ByteArrayOutputStream baos = new ByteArrayOutputStream();
		GZIPInputStream gis = new GZIPInputStream(http.getInputStream());
		while(true) {
			int n = gis.read(bytes);
			if (n < 0) break;
			baos.write(bytes,0,n);
		}
		return baos.toByteArray();
	}
	
		

	byte [] b = getContents(response);
	if (b.length == 0)
		return null;
	return b;
}
 
Example 18
/**
 * Opens a new or recycled connection to the HTTP server.
 */
public HessianConnection open(URL url)
    throws IOException
{
    if (log.isLoggable(Level.FINER))
        log.finer(this + " open(" + url + ")");

    URLConnection conn = url.openConnection();

    // HttpURLConnection httpConn = (HttpURLConnection) conn;
    // httpConn.setRequestMethod("POST");
    // conn.setDoInput(true);

    long connectTimeout = _proxyFactory.getConnectTimeout();

    if (connectTimeout >= 0)
        conn.setConnectTimeout((int) connectTimeout);

    conn.setDoOutput(true);

    long readTimeout = _proxyFactory.getReadTimeout();

    if (readTimeout > 0) {
        try {
            conn.setReadTimeout((int) readTimeout);
        } catch (Throwable e) {
        }
    }

    /*
    // Used chunked mode when available, i.e. JDK 1.5.
    if (_proxyFactory.isChunkedPost() && conn instanceof HttpURLConnection) {
      try {
        HttpURLConnection httpConn = (HttpURLConnection) conn;

        httpConn.setChunkedStreamingMode(8 * 1024);
      } catch (Throwable e) {
      }
    }
    */

    return new HessianURLConnection(url, conn);
}
 
Example 19
/**
 * Make a connection to the BukkitDev API and request the newest file's details.
 *
 * @return true if successful.
 */
private boolean read() {
  try {
    final URLConnection conn = this.url.openConnection();
    conn.setConnectTimeout(5000);

    if (this.apiKey != null) {
      conn.addRequestProperty("X-API-Key", this.apiKey);
    }
    conn.addRequestProperty("User-Agent", PluginUpdater.USER_AGENT);
    conn.setDoOutput(true);

    final BufferedReader reader =
        new BufferedReader(new InputStreamReader(conn.getInputStream()));
    final String response = reader.readLine();

    final JSONArray array = (JSONArray) JSONValue.parse(response);

    if (array.isEmpty()) {
      this.plugin.getLogger()
          .warning("The updater could not find any files for the project id " + this.id);
      this.result = UpdateResult.FAIL_BADID;
      return false;
    }

    JSONObject latestUpdate = (JSONObject) array.get(array.size() - 1);
    this.versionName = (String) latestUpdate.get(PluginUpdater.TITLE_VALUE);
    this.versionLink = (String) latestUpdate.get(PluginUpdater.LINK_VALUE);
    this.versionType = (String) latestUpdate.get(PluginUpdater.TYPE_VALUE);
    this.versionGameVersion = (String) latestUpdate.get(PluginUpdater.VERSION_VALUE);
    this.versionCustom = this.getCustomVersion();

    return true;
  } catch (final IOException e) {
    if (e.getMessage().contains("HTTP response code: 403")) {
      this.plugin.getLogger()
          .severe("dev.bukkit.org rejected the API key provided in plugins/updater/config.yml");
      this.plugin.getLogger()
          .severe("Please double-check your configuration to ensure it is correct.");
      this.result = UpdateResult.FAIL_APIKEY;
    } else {
      this.plugin.getLogger()
          .severe("The updater could not contact dev.bukkit.org for updating.");
      this.plugin.getLogger().severe(
          "If you have not recently modified your configuration and this is the first time you are seeing this message, the site may be experiencing temporary downtime.");
      this.result = UpdateResult.FAIL_DBO;
    }
    this.plugin.getLogger().log(Level.SEVERE, null, e);
    return false;
  }
}
 
Example 20
Source Project: askyblock   File: Updater.java    License: GNU General Public License v2.0 4 votes vote down vote up
/**
 * Make a connection to the BukkitDev API and request the newest file's details.
 *
 * @return true if successful.
 */
private boolean read() {
    try {
        final URLConnection conn = this.url.openConnection();
        conn.setConnectTimeout(5000);

        if (this.apiKey != null) {
            conn.addRequestProperty("X-API-Key", this.apiKey);
        }
        conn.addRequestProperty("User-Agent", Updater.USER_AGENT);

        conn.setDoOutput(true);

        final BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        final String response = reader.readLine();

        final JSONArray array = (JSONArray) JSONValue.parse(response);

        if (array.isEmpty()) {
            this.plugin.getLogger().warning("The updater could not find any files for the project id " + this.id);
            this.result = UpdateResult.FAIL_BADID;
            return false;
        }

        JSONObject latestUpdate = (JSONObject) array.get(array.size() - 1);
        this.versionName = (String) latestUpdate.get(Updater.TITLE_VALUE);
        this.versionLink = (String) latestUpdate.get(Updater.LINK_VALUE);
        this.versionType = (String) latestUpdate.get(Updater.TYPE_VALUE);
        this.versionGameVersion = (String) latestUpdate.get(Updater.VERSION_VALUE);

        return true;
    } catch (final IOException e) {
        if (e.getMessage().contains("HTTP response code: 403")) {
            this.plugin.getLogger().severe("dev.bukkit.org rejected the API key provided in plugins/Updater/config.yml");
            this.plugin.getLogger().severe("Please double-check your configuration to ensure it is correct.");
            this.result = UpdateResult.FAIL_APIKEY;
        } else {
            this.plugin.getLogger().severe("The updater could not contact dev.bukkit.org for updating.");
            this.plugin.getLogger().severe("If you have not recently modified your configuration and this is the first time you are seeing this message, the site may be experiencing temporary downtime.");
            this.result = UpdateResult.FAIL_DBO;
        }
        this.plugin.getLogger().log(Level.SEVERE, null, e);
        return false;
    }
}