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:net.technicpack.rest.RestObject.java

public static <T extends RestObject> T getRestObject(Class<T> restObject, String url)
        throws RestfulAPIException {
    InputStream stream = null;/*from   ww  w.j av  a2 s  . c  o  m*/
    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, Charsets.UTF_8);
        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);
    }
}

---

From source file:org.apache.niolex.commons.net.HTTPUtil.java

/**
 * Do the HTTP request.//from  w  ww.ja va  2  s. c om
 *
 * @param strUrl the request URL
 * @param params the request parameters
 * @param paramCharset the charset used to send the request parameters
 * @param headers the request headers
 * @param connectTimeout the connection timeout
 * @param readTimeout the data read timeout
 * @param useGet whether do we use the HTTP GET method
 * @return the response pair; a is response header map, b is response body
 * @throws NetException
 */
public static final Pair<Map<String, List<String>>, byte[]> doHTTP(String strUrl, Map<String, String> params,
        String paramCharset, Map<String, String> headers, int connectTimeout, int readTimeout, boolean useGet)
        throws NetException {
    LOG.debug("Start HTTP {} request to [{}], C{}R{}.", useGet ? "GET" : "POST", strUrl, connectTimeout,
            readTimeout);
    InputStream in = null;
    try {
        // 1. For get, we pass parameters in URL; for post, we save it in reqBytes.
        byte[] reqBytes = null;
        if (!CollectionUtil.isEmpty(params)) {
            if (useGet) {
                strUrl = strUrl + '?' + prepareWwwFormUrlEncoded(params, paramCharset);
            } else {
                reqBytes = StringUtil.strToAsciiByte(prepareWwwFormUrlEncoded(params, paramCharset));
            }
        }
        URL url = new URL(strUrl); // We use Java URL to do the HTTP request.
        URLConnection ucon = url.openConnection();
        ucon.setConnectTimeout(connectTimeout);
        ucon.setReadTimeout(readTimeout);
        // 2. validate to Connection type.
        if (!(ucon instanceof HttpURLConnection)) {
            throw new NetException(NetException.ExCode.INVALID_URL_TYPE,
                    "The request is not in HTTP protocol.");
        }
        final HttpURLConnection httpCon = (HttpURLConnection) ucon;
        // 3. We add all the request headers.
        if (headers != null) {
            for (Map.Entry<String, String> entry : headers.entrySet()) {
                httpCon.addRequestProperty(entry.getKey(), entry.getValue());
            }
        }
        // 4. For get or no parameter, we do not output data; for post, we pass parameters in Body.
        if (reqBytes == null) {
            httpCon.setDoOutput(false);
        } else {
            httpCon.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
            httpCon.setRequestProperty("Content-Length", Integer.toString(reqBytes.length));
            httpCon.setRequestMethod("POST");
            httpCon.setDoOutput(true);
        }
        httpCon.setDoInput(true);
        httpCon.connect();
        // 5. do output if needed.
        if (reqBytes != null) {
            StreamUtil.writeAndClose(httpCon.getOutputStream(), reqBytes);
        }
        // 6. Get the input stream.
        in = httpCon.getInputStream();
        final int contentLength = httpCon.getContentLength();
        validateHttpCode(strUrl, httpCon);
        byte[] ret = null;
        // 7. Read response byte array according to the strategy.
        if (contentLength > 0) {
            ret = commonDownload(contentLength, in);
        } else {
            ret = unusualDownload(strUrl, in, MAX_BODY_SIZE, true);
        }
        // 8. Parse the response headers.
        LOG.debug("Succeeded to execute HTTP request to [{}], response size {}.", strUrl, ret.length);
        return Pair.create(httpCon.getHeaderFields(), ret);
    } catch (NetException e) {
        LOG.info(e.getMessage());
        throw e;
    } catch (Exception e) {
        String msg = "Failed to execute HTTP request to [" + strUrl + "], msg=" + e.toString();
        LOG.warn(msg);
        throw new NetException(NetException.ExCode.IOEXCEPTION, msg, e);
    } finally {
        // Close the input stream.
        StreamUtil.closeStream(in);
    }
}

---

From source file:com.comcast.cdn.traffic_control.traffic_monitor.util.Fetcher.java

public static File downloadTM(final String url, final String authUrl, final String username,
        final String password, final int timeout) throws IOException {
    InputStream in = null;/*from  w  ww .j  a v a 2s. c  om*/
    OutputStream out = null;

    try {
        final URL u = new URL(url);
        final URLConnection urlc = u.openConnection();

        if (timeout != 0) {
            urlc.setConnectTimeout(timeout);
            urlc.setReadTimeout(timeout);
        }

        if (urlc instanceof HttpsURLConnection) {
            final String cookie = getTmCookie(authUrl, username, password, timeout).toString();

            final HttpsURLConnection http = (HttpsURLConnection) urlc;
            http.setInstanceFollowRedirects(false);
            http.setHostnameVerifier(new HostnameVerifier() {
                @Override
                public boolean verify(final String arg0, final SSLSession arg1) {
                    return true;
                }
            });
            http.setRequestMethod(GET_STR);
            http.setAllowUserInteraction(true);
            http.addRequestProperty("Cookie", cookie);
        }

        in = urlc.getInputStream();

        final File outputFile = File.createTempFile(tmpPrefix, tmpSuffix);
        out = new FileOutputStream(outputFile);

        IOUtils.copy(in, out);
        return outputFile;
    } finally {
        IOUtils.closeQuietly(in);
        IOUtils.closeQuietly(out);
    }
}

---

From source file:net.technicpack.rest.RestObject.java

public static <T> List<T> getRestArray(Class<T> restObject, String url) throws RestfulAPIException {
    InputStream stream = null;//from  w w w  .j  a v a  2  s .co m
    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, Charsets.UTF_8);

        JsonElement response = gson.fromJson(data, JsonElement.class);

        if (response == null || !response.isJsonArray()) {
            if (response.isJsonObject() && response.getAsJsonObject().has("error"))
                throw new RestfulAPIException("Error in response: " + response.getAsJsonObject().get("error"));
            else
                throw new RestfulAPIException("Unable to access URL [" + url + "]");
        }

        JsonArray array = response.getAsJsonArray();
        List<T> result = new ArrayList<T>(array.size());

        for (JsonElement element : array) {
            if (element.isJsonObject())
                result.add(gson.fromJson(element.getAsJsonObject(), restObject));
            else
                result.add(gson.fromJson(element.getAsString(), restObject));
        }

        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);
    }
}

---

From source file:com.arcusys.liferay.vaadinplugin.util.ControlPanelPortletUtil.java

/**
 * Downloads the given URL to the targetDir and names it
 * {@code targetFilename}. Creates the directory and its parent(s) if it
 * does not exist./* ww  w .j  av  a 2  s  . com*/
 *
 * @param downloadUrl
 * @param targetDir
 * @param targetFilename
 * @throws IOException
 */
public static void download(String downloadUrl, String targetDir, String targetFilename) throws IOException {
    File f = new File(targetDir);
    f.mkdirs();
    URL url = new URL(downloadUrl);
    URLConnection conn = url.openConnection();
    conn.setConnectTimeout(10000);
    InputStream is = conn.getInputStream();
    FileOutputStream out = new FileOutputStream(new File(targetDir, targetFilename));
    IOUtils.copy(is, out);
    close(out);
    close(is);
}

---

From source file:org.apache.maven.report.projectinfo.ProjectInfoReportUtils.java

/**
 * @param url not null//from w w  w  . j  a  v a  2s. co  m
 * @param project not null
 * @param settings not null
 * @return the url connection with auth if required. Don't check the certificate if SSL scheme.
 * @throws IOException if any
 */
private static URLConnection getURLConnection(URL url, MavenProject project, Settings settings)
        throws IOException {
    URLConnection conn = url.openConnection();
    conn.setConnectTimeout(TIMEOUT);
    conn.setReadTimeout(TIMEOUT);

    // conn authorization
    if (settings.getServers() != null && !settings.getServers().isEmpty() && project != null
            && project.getDistributionManagement() != null
            && (project.getDistributionManagement().getRepository() != null
                    || project.getDistributionManagement().getSnapshotRepository() != null)
            && (StringUtils.isNotEmpty(project.getDistributionManagement().getRepository().getUrl())
                    || StringUtils.isNotEmpty(
                            project.getDistributionManagement().getSnapshotRepository().getUrl()))) {
        Server server = null;
        if (url.toString().contains(project.getDistributionManagement().getRepository().getUrl())) {
            server = settings.getServer(project.getDistributionManagement().getRepository().getId());
        }
        if (server == null && url.toString()
                .contains(project.getDistributionManagement().getSnapshotRepository().getUrl())) {
            server = settings.getServer(project.getDistributionManagement().getSnapshotRepository().getId());
        }

        if (server != null && StringUtils.isNotEmpty(server.getUsername())
                && StringUtils.isNotEmpty(server.getPassword())) {
            String up = server.getUsername().trim() + ":" + server.getPassword().trim();
            String upEncoded = new String(Base64.encodeBase64Chunked(up.getBytes())).trim();

            conn.setRequestProperty("Authorization", "Basic " + upEncoded);
        }
    }

    if (conn instanceof HttpsURLConnection) {
        HostnameVerifier hostnameverifier = new HostnameVerifier() {
            /** {@inheritDoc} */
            public boolean verify(String urlHostName, SSLSession session) {
                return true;
            }
        };
        ((HttpsURLConnection) conn).setHostnameVerifier(hostnameverifier);

        TrustManager[] trustAllCerts = new TrustManager[] { new X509TrustManager() {
            /** {@inheritDoc} */
            public void checkClientTrusted(final X509Certificate[] chain, final String authType) {
            }

            /** {@inheritDoc} */
            public void checkServerTrusted(final X509Certificate[] chain, final String authType) {
            }

            /** {@inheritDoc} */
            public X509Certificate[] getAcceptedIssuers() {
                return null;
            }
        } };

        try {
            SSLContext sslContext = SSLContext.getInstance("SSL");
            sslContext.init(null, trustAllCerts, new SecureRandom());

            SSLSocketFactory sslSocketFactory = sslContext.getSocketFactory();

            ((HttpsURLConnection) conn).setSSLSocketFactory(sslSocketFactory);
        } catch (NoSuchAlgorithmException e1) {
            // ignore
        } catch (KeyManagementException e) {
            // ignore
        }
    }

    return conn;
}

---

From source file:AnimatedMetadataGraph.java

public static JSONObject getAllResources(URL sfsUrl) {
    if (sfsUrl != null) {
        try {/*from  www . j  a  v a2s  . c  om*/
            URL sfsGetRsrcsUrl = new URL(sfsUrl.toString() + "/admin/listrsrcs/");
            URLConnection smapConn = sfsGetRsrcsUrl.openConnection();
            smapConn.setConnectTimeout(5000);
            smapConn.connect();

            //GET reply
            BufferedReader reader = new BufferedReader(new InputStreamReader(smapConn.getInputStream()));
            StringBuffer lineBuffer = new StringBuffer();
            String line = null;
            while ((line = reader.readLine()) != null)
                lineBuffer.append(line);
            line = lineBuffer.toString();
            reader.close();

            return (JSONObject) JSONSerializer.toJSON(line);
        } catch (Exception e) {
            logger.log(Level.WARNING, "", e);
            return null;
        }
    }
    return null;
}

---

From source file:com.comcast.cdn.traffic_control.traffic_monitor.util.Fetcher.java

public static String fetchContent(final URLConnection conn, final int timeout) throws IOException {
    conn.setAllowUserInteraction(true);/*  ww  w .  jav  a2 s.  c  o m*/
    if (timeout != 0) {
        conn.setConnectTimeout(timeout);
        conn.setReadTimeout(timeout);
    }
    conn.connect();
    return IOUtils.toString(new InputStreamReader(conn.getInputStream(), UTF8_STR));
}

---

From source file:AnimatedMetadataGraph.java

public static JSONArray getChildren(URL sfsUrl, String path) {
    if (sfsUrl != null) {
        try {//w  ww.  ja  v  a 2  s  . c om
            URL sfsGetRsrcsUrl = new URL(sfsUrl.toString() + path);
            URLConnection smapConn = sfsGetRsrcsUrl.openConnection();
            smapConn.setConnectTimeout(5000);
            smapConn.connect();

            //GET reply
            BufferedReader reader = new BufferedReader(new InputStreamReader(smapConn.getInputStream()));
            StringBuffer lineBuffer = new StringBuffer();
            String line = null;
            while ((line = reader.readLine()) != null)
                lineBuffer.append(line);
            line = lineBuffer.toString();
            reader.close();

            JSONObject resp = (JSONObject) JSONSerializer.toJSON(line);
            return resp.optJSONArray("children");
        } catch (Exception e) {
            logger.log(Level.WARNING, "", e);
            return null;
        }
    }
    return null;
}

---

From source file:savant.util.NetworkUtils.java

/**
 * Open a stream for the given URL with the CONNECT_TIMEOUT and READ_TIMEOUT.
 * @throws IOException//from   w w w. ja  v a  2 s. co  m
 */
public static InputStream openStream(URL url) throws IOException {
    URLConnection conn = url.openConnection();
    conn.setConnectTimeout(CONNECT_TIMEOUT);
    conn.setReadTimeout(READ_TIMEOUT);
    return conn.getInputStream();
}

---

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