Example usage for java.net URLConnection connect

Introduction

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

Prototype

public abstract void connect() throws IOException;

Source Link

Document

Opens a communications link to the resource referenced by this URL, if such a connection has not already been established.

Usage

From source file:ste.xtest.net.BugFreeXTestHandler.java

@Test
public void hostNotFound() throws Exception {
    final UnknownHostException EXCEPTION = new UnknownHostException("test.nowhere.com");
    XTestHandler.exceptionOnConnect = EXCEPTION;

    try {// w w  w  . j a  v a2 s  . co m
        URL url = new URL("xtest://test.nowhere.com");
        URLConnection conn = url.openConnection();
        conn.connect();
        fail("UnknownHostException not thrown");
    } catch (UnknownHostException x) {
        //
        // OK
        //
        assertSame(EXCEPTION, x);
    }

}

From source file:org.apache.hadoop.log.TestLogLevel.java

public void testDynamicLogLevel() throws Exception {
    String logName = TestLogLevel.class.getName();
    Log testlog = LogFactory.getLog(logName);

    //only test Log4JLogger
    if (testlog instanceof Log4JLogger) {
        Logger log = ((Log4JLogger) testlog).getLogger();
        log.debug("log.debug1");
        log.info("log.info1");
        log.error("log.error1");
        assertTrue(!Level.ERROR.equals(log.getEffectiveLevel()));

        HttpServer server = new HttpServer("..", "localhost", 22222, true);
        server.start();// w ww . j a v  a  2  s  . co  m
        int port = server.getPort();

        //servlet
        URL url = new URL("http://localhost:" + port + "/logLevel?log=" + logName + "&level=" + Level.ERROR);
        out.println("*** Connecting to " + url);
        URLConnection connection = url.openConnection();
        connection.connect();

        BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
        for (String line; (line = in.readLine()) != null; out.println(line))
            ;
        in.close();

        log.debug("log.debug2");
        log.info("log.info2");
        log.error("log.error2");
        assertTrue(Level.ERROR.equals(log.getEffectiveLevel()));

        //command line
        String[] args = { "-setlevel", "localhost:" + port, logName, "" + Level.DEBUG };
        LogLevel.main(args);
        log.debug("log.debug3");
        log.info("log.info3");
        log.error("log.error3");
        assertTrue(Level.DEBUG.equals(log.getEffectiveLevel()));
    } else {
        out.println(testlog.getClass() + " not tested.");
    }
}

From source file:org.filteredpush.qc.sciname.services.WoRMSService.java

protected void test() throws IOException {
    logger.debug(wormsService.getEndpoint());
    URL test = new URL(wormsService.getEndpoint());
    URLConnection conn = test.openConnection();
    conn.connect();
}

From source file:org.apache.hadoop.hbase.TestInfoServers.java

private String getUrlContent(URL u) throws IOException {
    java.net.URLConnection c = u.openConnection();
    c.connect();
    StringBuilder sb = new StringBuilder();
    BufferedInputStream bis = new BufferedInputStream(c.getInputStream());
    byte[] bytes = new byte[1024];
    for (int read = -1; (read = bis.read(bytes)) != -1;) {
        sb.append(new String(bytes, 0, read));
    }//from ww w.  j  av  a2s. c  om
    bis.close();
    return sb.toString();
}

From source file:net.rptools.maptool.client.WebDownloader.java

/**
 * Read the data at the given URL. This method should not be called on the EDT.
 * // w ww. ja va2  s .  c  o  m
 * @return File pointer to the location of the data, file will be deleted at program end
 */
public String read() throws IOException {
    URLConnection conn = url.openConnection();

    conn.setConnectTimeout(5000);
    conn.setReadTimeout(5000);

    // Send the request.
    conn.connect();

    InputStream in = null;
    ByteArrayOutputStream out = null;
    try {
        in = conn.getInputStream();
        out = new ByteArrayOutputStream();

        int buflen = 1024 * 30;
        int bytesRead = 0;
        byte[] buf = new byte[buflen];

        for (int nRead = in.read(buf); nRead != -1; nRead = in.read(buf)) {
            bytesRead += nRead;
            out.write(buf, 0, nRead);
        }
    } finally {
        IOUtils.closeQuietly(in);
        IOUtils.closeQuietly(out);
    }
    return out != null ? new String(out.toByteArray()) : null;
}

From source file:edu.kit.dama.ui.simon.impl.WebServerProbe.java

@Override
public boolean checkProbe() {
    try {//from   w ww  .  ja v a2 s  .com
        URLConnection con = serverUrl.openConnection();
        con.setConnectTimeout(timeout);
        con.connect();
        String header0 = con.getHeaderField(0);
        return header0 != null && header0.endsWith("200 OK");
    } catch (IOException ex) {
        LOGGER.error("Failed to check Web server probe", ex);
    }
    return false;
}

From source file:ubic.gemma.loader.entrez.pubmed.ExpressionExperimentBibRefFinder.java

/**
 * @param geoSeries// w  w  w  .java  2 s  .c  o  m
 * @return
 */
private int locatePubMedId(String geoSeries) {
    if (!geoSeries.matches("GSE\\d+")) {
        log.warn(geoSeries + " is not a GEO Series Accession");
        return -1;
    }
    URL url = null;

    Pattern pat = Pattern.compile(PUBMEDREF_REGEX);

    try {
        url = new URL(GEO_SERIES_URL_BASE + geoSeries);

        URLConnection conn = url.openConnection();
        conn.connect();
        InputStream is = conn.getInputStream();
        BufferedReader br = new BufferedReader(new InputStreamReader(is));
        String line = null;
        while ((line = br.readLine()) != null) {
            Matcher mat = pat.matcher(line);
            log.debug(line);
            if (mat.find()) {
                String capturedAccession = mat.group(1);
                if (StringUtils.isBlank(capturedAccession))
                    return -1;
                return Integer.parseInt(capturedAccession);
            }
        }
        is.close();
    } catch (MalformedURLException e) {
        log.error(e, e);
        throw new RuntimeException("Invalid URL " + url, e);
    } catch (IOException e) {
        log.error(e, e);
        throw new RuntimeException("Could not get data from remote server", e);
    } catch (NumberFormatException e) {
        log.error(e, e);
        throw new RuntimeException("Could not determine valid pubmed id");
    }

    return -1;

}

From source file:control.services.DownloadPortraitsHttpServiceImpl.java

@Override
public void checkNetworkConnection() throws ConnectException {
    boolean networkAvalaible = false;
    int timeout = 2000;

    try {//from www  .  j  ava2s .  c  o m
        final URL url = new URL(PROTOCOL_HOST + CLASH_HOST);
        final URLConnection conn = url.openConnection();
        conn.connect();
        networkAvalaible = true;

        /*
        InetAddress[] addresses = InetAddress.getAllByName(CLASH_HOST);
        for (InetAddress address : addresses) {
        if (address.isReachable(timeout)) {
            networkAvalaible = true;
        }
        }
        */
    } catch (UnknownHostException e1) {
        LOG.error(e1);
        networkAvalaible = false;
    } catch (IOException e2) {
        LOG.error(e2);
        networkAvalaible = false;
    }

    if (!networkAvalaible) {
        throw new ConnectException();
    }
}

From source file:javarestart.controllers.ApplicationController.java

@RequestMapping(value = "/{applicationName}", params = { "resource" }, method = RequestMethod.GET)
public void loadResource(@RequestParam(value = "resource") String resourceName,
        @PathVariable("applicationName") String applicationName, HttpServletResponse response)
        throws Exception {
    AppResourceProvider resourceProvider = getOrRegisterApp(applicationName);
    URLConnection resource = null;
    try {//from www .ja v  a 2s  .  c  o  m
        resource = resourceProvider.load(resourceName);
        resource.connect();
        response.setContentLength(resource.getContentLength());
        IOUtils.copy(resource.getInputStream(), response.getOutputStream());
        response.flushBuffer();
        logger.info("Class or resource loaded: " + resourceName);
    } catch (ResourceNotFoundException e) {
        logger.warning(e.toString());
        response.sendError(404);
    }
}

From source file:com.pentaho.ctools.cdf.XactionComponent.java

/**
 * ############################### Test Case 3 ###############################
 *
 * Test Case Name:/* w w w. j  av  a2  s. c o m*/
 *    Xacion
 * Description:
 *    We pretend validate the generated graphic (in an image) and if the image
 *    has a valid url.
 * Steps:
 *    1. Check if a graphic was generated
 *    2. Check the http request for the image generated
 */
@Test
public void tc3_GenerateChart_ChartIsDisplayed() {
    // ## Step 1
    WebElement xactionElement = this.elemHelper.FindElement(driver, By.cssSelector("img"));
    assertNotNull(xactionElement);

    String attrSrc = xactionElement.getAttribute("src");
    String attrWidth = xactionElement.getAttribute("width");
    String attrHeight = xactionElement.getAttribute("height");

    assertTrue(attrSrc.startsWith(baseUrl + "getImage?image=tmp_chart_admin-"));
    assertEquals(attrWidth, "500");
    assertEquals(attrHeight, "600");

    // ## Step 2
    try {
        URL url = new URL(attrSrc);
        URLConnection connection = url.openConnection();
        connection.connect();

        assertEquals(HttpStatus.SC_OK, ((HttpURLConnection) connection).getResponseCode());

    } catch (Exception ex) {
        ex.printStackTrace();
    }
}