Example usage for java.net URLConnection setConnectTimeout

Introduction

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

Prototype

public void setConnectTimeout(int timeout) 

Source Link

Document

Sets a specified timeout value, in milliseconds, to be used when opening a communications link to the resource referenced by this URLConnection.

Usage

From source file:org.sensorhub.impl.sensor.axis.AxisCameraDriver.java

@Override
public boolean isConnected() {
    try {//from ww w  .ja v  a2 s  .  c  om
        // try to open stream and check for AXIS Brand
        URL optionsURL = new URL(
                "http://" + ipAddress + "/axis-cgi/view/param.cgi?action=list&group=root.Brand.Brand");
        URLConnection conn = optionsURL.openConnection();
        conn.setConnectTimeout(500);
        conn.connect();
        InputStream is = conn.getInputStream();
        BufferedReader reader = new BufferedReader(new InputStreamReader(is));

        // note: should return one line with root.Brand.Brand=AXIS
        String line = reader.readLine();
        if (line != null) {
            String[] tokens = line.split("=");
            if ((tokens[0].trim().equalsIgnoreCase("root.Brand.Brand"))
                    && (tokens[1].trim().equalsIgnoreCase("AXIS")))
                return true;
        }

        return false;
    } catch (Exception e) {
        return false;
    }
}

---

From source file:com.google.bazel.example.android.activities.MainActivity.java

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    // Handle action bar item clicks here. The action bar will
    // automatically handle clicks on the Home/Up button, so long
    // as you specify a parent activity in AndroidManifest.xml.
    int id = item.getItemId();

    if (id == R.id.action_ping) {
        new AsyncTask<String, Void, String>() {
            public static final int READ_TIMEOUT_MS = 5000;
            public static final int CONNECTION_TIMEOUT_MS = 2000;

            private String inputStreamToString(InputStream stream) throws IOException {
                StringBuilder result = new StringBuilder();
                try {
                    BufferedReader reader = new BufferedReader(new InputStreamReader(stream, "UTF-8"));
                    String line;/*from   w w  w  .  j  a  v a  2s .c o m*/
                    while ((line = reader.readLine()) != null) {
                        result.append(line);
                    }
                } finally {
                    stream.close();
                }
                return result.toString();
            }

            private HttpURLConnection getConnection(String url) throws IOException {
                URLConnection urlConnection = new URL(url).openConnection();
                urlConnection.setConnectTimeout(CONNECTION_TIMEOUT_MS);
                urlConnection.setReadTimeout(READ_TIMEOUT_MS);
                return (HttpURLConnection) urlConnection;
            }

            @Override
            protected String doInBackground(String... params) {
                String url = params[0];
                HttpURLConnection connection = null;
                try {
                    connection = getConnection(url);
                    return new JSONObject(inputStreamToString(connection.getInputStream()))
                            .getString("requested");
                } catch (IOException e) {
                    Log.e("background", "IOException", e);
                    return null;
                } catch (JSONException e) {
                    Log.e("background", "JSONException", e);
                    return null;
                } finally {
                    if (connection != null) {
                        connection.disconnect();
                    }
                }
            }

            @Override
            protected void onPostExecute(String result) {
                TextView textView = (TextView) findViewById(R.id.text_view);
                if (result == null) {
                    Toast.makeText(MainActivity.this, getString(R.string.error_sending_request),
                            Toast.LENGTH_LONG).show();
                    textView.setText("???");
                    return;
                }
                textView.setText(result);
            }
        }.execute("http://10.0.2.2:8080/boop");
        return true;
    }

    return super.onOptionsItemSelected(item);
}

---

From source file:org.jesterj.ingest.processors.FetchUrl.java

@Override
public Document[] processDocument(Document document) {
    URL url = null;//from   w w w . j av  a  2 s.  co  m
    try {
        url = new URL(document.getFirstValue(linkField));
        String protocol = url.getProtocol();
        String server = url.getHost();
        Long lastAccess = visitedSiteCache.getIfPresent(server);
        long now = System.currentTimeMillis();
        if (lastAccess == null) {
            visitedSiteCache.put(server, now);
        } else {
            long elapsed = now - lastAccess;
            if (elapsed < throttleMs) {
                try {
                    Thread.sleep(throttleMs - elapsed);
                } catch (InterruptedException e) {
                    // ignore, not really important.
                }
            }
        }
        URLConnection conn = url.openConnection();
        conn.setConnectTimeout(5000);
        conn.setReadTimeout(5000);
        conn.connect();

        ByteArrayOutputStream baos = new ByteArrayOutputStream();

        if (protocol != null && ("http".equals(protocol) || "https".equals(protocol))) {
            HttpURLConnection httpConnection = (HttpURLConnection) conn;
            int responseCode = httpConnection.getResponseCode();
            if (httpStatusField != null) {
                document.put(httpStatusField, String.valueOf(responseCode));
            }
            if (responseCode >= 400) {
                String message = "HTTP server responded " + responseCode + " "
                        + httpConnection.getResponseMessage();
                if (errorField != null) {
                    document.put(errorField, message);
                }
                throw new IOException(message);
            }
        }
        IOUtils.copy(conn.getInputStream(), baos);
        document.setRawData(baos.toByteArray());
    } catch (IOException e) {
        if (failOnIOError) {
            if (errorField != null) {
                document.put(errorField, e.getMessage());
            }
            document.setStatus(Status.ERROR);
        } else {
            log.warn("Could not fetch " + url + " for " + document.getId(), e);
        }
    }
    return new Document[] { document };
}

---

From source file:org.ambraproject.solr.SolrHttpServiceImpl.java

@Override
public Document makeSolrRequest(Map<String, String> params) throws SolrException {
    if (solrUrl == null || solrUrl.isEmpty()) {
        setSolrUrl(config.getString(URL_CONFIG_PARAM));
    }//from  www  .j av  a 2s  . co m

    //make sure the return type is xml
    if (!params.keySet().contains(RETURN_TYPE_PARAM) || !params.get(RETURN_TYPE_PARAM).equals(XML)) {
        params.put(RETURN_TYPE_PARAM, XML);
    }
    //make sure that we include a 'q' parameter
    if (!params.keySet().contains(Q_PARAM)) {
        params.put(Q_PARAM, NO_FILTER);
    }

    String queryString = "?";
    for (String param : params.keySet()) {
        String value = params.get(param);
        if (queryString.length() > 1) {
            queryString += "&";
        }
        queryString += (cleanInput(param) + "=" + cleanInput(value));
    }

    URL url;
    String urlString = solrUrl + queryString;
    log.debug("Making Solr http request to " + urlString);
    try {
        url = new URL(urlString);
    } catch (MalformedURLException e) {
        throw new SolrException("Bad Solr Url: " + urlString, e);
    }

    InputStream urlStream = null;
    Document doc = null;
    try {
        URLConnection connection = url.openConnection();
        connection.setConnectTimeout(CONNECTION_TIMEOUT);
        connection.connect();
        urlStream = connection.getInputStream();
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        factory.setNamespaceAware(true);
        DocumentBuilder builder = factory.newDocumentBuilder();
        doc = builder.parse(urlStream);
    } catch (IOException e) {
        throw new SolrException("Error connecting to the Solr server at " + solrUrl, e);
    } catch (ParserConfigurationException e) {
        throw new SolrException("Error configuring parser xml parser for solr response", e);
    } catch (SAXException e) {
        throw new SolrException("Solr Returned bad XML for url: " + urlString, e);
    } finally {
        //Close the input stream
        if (urlStream != null) {
            try {
                urlStream.close();
            } catch (IOException e) {
                log.error("Error closing url stream to Solr", e);
            }
        }
    }

    return doc;
}

---

From source file:org.dlut.mycloudserver.service.performancemonitor.PerformanceListener.java

private void monitorForOne(PerformanceMonitorDTO performanceMonitorDTO) {
    String url = "http://" + performanceMonitorDTO.getIp() + ":8001";
    InputStream is = null;/* w w  w  .  j a v a 2s . c om*/
    BufferedReader br = null;
    try {
        URLConnection conn = new URL(url).openConnection();
        conn.setConnectTimeout(CONN_TIME_OUT);
        conn.setReadTimeout(READ_TIME_OUT);
        is = conn.getInputStream();
        br = new BufferedReader(new InputStreamReader(is));
        String res = br.readLine();
        br.close();
        is.close();
        JSONObject jsonRes = JSON.parseObject(res);
        int cores = jsonRes.getIntValue("cores");
        int totalMem = jsonRes.getIntValue("totalMem");
        int usedMem = jsonRes.getIntValue("usedMem");
        double loadAverage = jsonRes.getDoubleValue("loadAverage");
        double sendRate = jsonRes.getDoubleValue("sendRate");
        double receiveRate = jsonRes.getDoubleValue("receiveRate");
        performanceMonitorDTO.setPerformanceMonitorStatus(PerformanceMonitorStatusEnum.RUNNING);
        performanceMonitorDTO.setCores(cores);
        performanceMonitorDTO.setTotalMem(totalMem);
        performanceMonitorDTO.setUsedMem(usedMem);
        performanceMonitorDTO.setLoadAverage(loadAverage);
        performanceMonitorDTO.setSendRate(sendRate);
        performanceMonitorDTO.setReceiveRate(receiveRate);
    } catch (IOException e) {
        log.warn("" + performanceMonitorDTO.getIp() + " ");
        performanceMonitorDTO.setPerformanceMonitorStatus(PerformanceMonitorStatusEnum.CLOSED);
    } finally {
        if (br != null) {
            try {
                br.close();
            } catch (IOException e) {
                log.error("error message", e);
            }
        }
        if (is != null) {
            try {
                is.close();
            } catch (IOException e) {
                log.error("error message", e);
            }
        }
    }

    // ??
    MyCloudResult<Boolean> res = performanceMonitorService.updatePerformanceMonitor(performanceMonitorDTO);
    if (!res.isSuccess()) {
        log.error("?" + res.getMsgInfo());
    }
}

---

From source file:de.ingrid.iplug.dscmapclient.utils.CapabilitiesUtils.java

public Document requestCaps() {
    Document doc = null;// w  ww.  ja v a 2 s  . c  o  m

    try {

        URL url;
        url = new URL(urlStr);
        URLConnection conn;
        conn = url.openConnection();
        conn.setConnectTimeout(5000);
        DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
        doc = dBuilder.parse(conn.getInputStream());
        doc.getDocumentElement().normalize();
        // insert the dom into the hashmap
        // in case of exception null entry is written
    } catch (ConnectTimeoutException e) {
        log.error("Url timed out: " + urlStr);
        log.error("Error creating record ids.", e);
        //         e.printStackTrace();
        return null;
    } catch (MalformedURLException e) {
        log.error("Error creating record ids.", e);
        //         e.printStackTrace();
        return null;
    } catch (IOException e) {
        log.error("Error creating record ids.", e);
        //         e.printStackTrace();
        return null;
    } catch (ParserConfigurationException e) {
        log.error("Error creating record ids.", e);
        //         e.printStackTrace();
        return null;
    } catch (SAXException e) {
        log.error("Error creating record ids.", e);
        //         e.printStackTrace();
        return null;
    } catch (Exception e) {
        log.error("Error creating record ids.", e);
        //         e.printStackTrace();
        return null;
    }

    return doc;
}

---

From source file:com.tc.server.UpdateCheckAction.java

private Properties getUpdateProperties(URL updateUrl) throws IOException {
    URLConnection connection = updateUrl.openConnection();
    connection.setConnectTimeout(CONNECT_TIMEOUT);
    InputStream in = connection.getInputStream();
    try {//  w  w  w .  ja v a  2s  . c  om
        Properties props = new Properties();
        props.load(connection.getInputStream());
        return props;
    } finally {
        if (in != null) {
            in.close();
        }
    }
}

---

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

@Override
public void gather(final List<Statement> res) throws Exception {

    InputStream rdfStream = null;
    RDFFormat rdfFormat;// w w w. j a v a2s  . c  o m
    String baseUri;
    try {

        // use either DataSource or legacy initialization
        if (config.dataSource != null) {
            RDFDataSource ds = config.lookupAndRefreshDataSource(RDFDataSource.class);

            rdfFormat = ds.getRDFFormat();
            if (rdfFormat == null)
                throw new IllegalStateException(String
                        .format("Data source '%s' does not provide a valid RDF Format", ds.getIdentifier()));

            rdfStream = ds.getRDFStream();
            baseUri = providerID.stringValue();
        } else {

            // legacy support
            URL url = new URL(config.url);

            URLConnection conn = url.openConnection();
            conn.setConnectTimeout(1000);
            String contentType = conn.getContentType();

            rdfFormat = getRDFFormat(url, contentType);
            if (rdfFormat == null)
                throw new IllegalStateException(String.format(
                        "Cannot determine RDF format for URL '%s'. Please specify a format manually.",
                        config.url));

            rdfStream = conn.getInputStream();
            baseUri = config.url;
        }

        // load the RDF data from the rdf stream
        ParserConfig parserConfig = new ParserConfig();
        RDFLoader loader = new RDFLoader(parserConfig, ValueFactoryImpl.getInstance());
        loader.load(rdfStream, baseUri, rdfFormat, new RDFHandlerBase() {
            @Override
            public void handleStatement(Statement st) throws RDFHandlerException {
                res.add(st);
            }
        });

    } finally {
        IOUtils.closeQuietly(rdfStream);
    }
}

---

From source file:com.p000ison.dev.simpleclans2.updater.bamboo.BambooBuild.java

private Reader connect(String file) throws IOException {
    URL buildAPIURL = new URL("http", BAMBOO_HOST, 80, file);
    URLConnection connection = buildAPIURL.openConnection();
    connection.setReadTimeout(1000);/*from www .  j  av a  2 s .  co  m*/
    connection.setConnectTimeout(1000);
    return new InputStreamReader(connection.getInputStream(), Charset.forName("UTF-8"));
}

---

From source file:org.shredzone.commons.gravatar.impl.GravatarServiceImpl.java

/**
 * Fetches a Gravatar icon from the server and stores it in the given {@link File}.
 *
 * @param url//from   w w w  .  ja va2  s. c  o m
 *            Gravatar URL to fetch
 * @param file
 *            {@link File} to store the icon to
 */
private void fetchGravatar(URL url, File file) throws IOException {
    limitUpstreamRequests();

    URLConnection conn = url.openConnection();
    conn.setConnectTimeout(TIMEOUT);
    conn.setReadTimeout(TIMEOUT);

    if (file.exists()) {
        conn.setIfModifiedSince(file.lastModified());
    }

    conn.connect();

    long lastModified = conn.getLastModified();
    if (lastModified > 0L && lastModified <= file.lastModified()) {
        // Cache file exists and is unchanged
        if (log.isDebugEnabled()) {
            log.debug("Cached Gravatar is still good: {}", url);
        }

        file.setLastModified(System.currentTimeMillis()); // touch
        return;
    }

    try (InputStream in = conn.getInputStream(); OutputStream out = new FileOutputStream(file)) {
        byte[] buffer = new byte[8192];
        int total = 0;
        int len;

        while ((len = in.read(buffer)) >= 0) {
            out.write(buffer, 0, len);
            total += len;
            if (total > MAX_GRAVATAR_SIZE) {
                log.warn("Gravatar exceeded maximum size: {}", url);
                break;
            }
        }

        out.flush();

        if (log.isDebugEnabled()) {
            log.debug("Downloaded Gravatar: {}", url);
        }
    }
}

---

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