Example usage for java.net URLConnection connect

List of usage examples for java.net URLConnection connect

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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:com.alfaariss.oa.authentication.remote.saml2.idp.storage.config.IDPConfigStorage.java

/**
 * @see com.alfaariss.oa.engine.idp.storage.configuration.AbstractConfigurationStorage#createIDP(com.alfaariss.oa.api.configuration.IConfigurationManager, org.w3c.dom.Element)
 *//*from w  w w. j a va 2 s . c  om*/
@Override
protected IIDP createIDP(IConfigurationManager configManager, Element config) throws OAException {
    SAML2IDP saml2IDP = null;

    try {
        String sID = configManager.getParam(config, "id");
        if (sID == null) {
            _oLogger.error("No 'id' item found in 'organization' section in configuration");
            throw new OAException(SystemErrors.ERROR_CONFIG_READ);
        }
        byte[] baSourceID = generateSHA1(sID);

        String sFriendlyName = configManager.getParam(config, "friendlyname");
        if (sFriendlyName == null) {
            _oLogger.error("No 'friendlyname' item found in 'organization' section in configuration");
            throw new OAException(SystemErrors.ERROR_CONFIG_READ);
        }

        String sDateLastModified = configManager.getParam(config, "lastmodified");
        Date dLastModified = null;

        if (sDateLastModified != null) {
            // Convert to java.util.Date
            try {
                DateTime dt = ISODateTimeFormat.dateTimeNoMillis().parseDateTime(sDateLastModified);
                dLastModified = dt.toDate();
            } catch (IllegalArgumentException iae) {
                _oLogger.info(
                        "Invalid 'lastmodified' timestamp provided: " + sDateLastModified + "; ignoring.");
                dLastModified = null;
            }
        }

        String sMetadataURL = null;
        int iMetadataURLTimeout = -1;
        String sMetadataFile = null;

        Element eMetadata = configManager.getSection(config, "metadata");
        if (eMetadata == null) {
            _oLogger.warn(
                    "No optional 'metadata' section found in configuration for organization with id: " + sID);
        } else {
            Element eHttp = configManager.getSection(eMetadata, "http");
            if (eHttp == null) {
                _oLogger.warn(
                        "No optional 'http' section in 'metadata' section found in configuration for organization with id: "
                                + sID);
            } else {
                sMetadataURL = configManager.getParam(eHttp, "url");
                if (sMetadataURL == null) {
                    _oLogger.error(
                            "No 'url' item in 'http' section found in configuration for organization with id: "
                                    + sID);
                    throw new OAException(SystemErrors.ERROR_CONFIG_READ);
                }

                URL urlTarget = null;
                try {
                    urlTarget = new URL(sMetadataURL);
                } catch (MalformedURLException e) {
                    _oLogger.error(
                            "Invalid 'url' item in 'http' section found in configuration: " + sMetadataURL, e);
                    throw new OAException(SystemErrors.ERROR_INIT);
                }

                StringBuffer sbInfo = new StringBuffer("Organization '");
                sbInfo.append(sID);
                sbInfo.append("' uses metadata from url: ");
                sbInfo.append(sMetadataURL);
                _oLogger.info(sbInfo.toString());

                try {
                    URLConnection urlConnection = urlTarget.openConnection();
                    urlConnection.setConnectTimeout(3000);
                    urlConnection.setReadTimeout(3000);
                    urlConnection.connect();
                } catch (IOException e) {
                    _oLogger.warn("Could not connect to 'url' item in 'http' section found in configuration: "
                            + sMetadataURL, e);
                }

                String sTimeout = configManager.getParam(eHttp, "timeout");
                if (sTimeout != null) {
                    try {
                        iMetadataURLTimeout = Integer.parseInt(sTimeout);
                    } catch (NumberFormatException e) {
                        _oLogger.error(
                                "Invalid 'timeout' item in 'http' section found in configuration (must be a number): "
                                        + sTimeout,
                                e);
                        throw new OAException(SystemErrors.ERROR_INIT);
                    }

                    if (iMetadataURLTimeout < 0) {
                        _oLogger.error(
                                "Invalid 'timeout' item in 'http' section found in configuration: " + sTimeout);
                        throw new OAException(SystemErrors.ERROR_INIT);
                    }
                }
            }

            sMetadataFile = configManager.getParam(eMetadata, "file");
            if (sMetadataFile == null) {
                _oLogger.warn(
                        "No optional 'file' item in 'metadata' section found in configuration for organization with id: "
                                + sID);
            } else {
                // Translate the path
                sMetadataFile = PathTranslator.getInstance().map(sMetadataFile);

                File fMetadata = new File(sMetadataFile);
                if (!fMetadata.exists()) {
                    _oLogger.error("Configured metadata 'file' doesn't exist: " + sMetadataFile);
                    throw new OAException(SystemErrors.ERROR_INIT);
                }

                StringBuffer sbInfo = new StringBuffer("Organization '");
                sbInfo.append(sID);
                sbInfo.append("' uses metadata in file: ");
                sbInfo.append(sMetadataFile);
                _oLogger.info(sbInfo.toString());
            }
        }

        Boolean boolACSIndex = new Boolean(true);
        String sACSIndex = configManager.getParam(config, "acs_index");
        if (sACSIndex != null) {
            if (sACSIndex.equalsIgnoreCase("FALSE"))
                boolACSIndex = new Boolean(false);
            else if (!sACSIndex.equalsIgnoreCase("TRUE")) {
                _oLogger.error("Invalid 'acs_index' item value found in configuration: " + sACSIndex);
                throw new OAException(SystemErrors.ERROR_INIT);
            }
        }

        Boolean boolScoping = new Boolean(true);
        String sScoping = configManager.getParam(config, "scoping");
        if (sScoping != null) {
            if (sScoping.equalsIgnoreCase("FALSE"))
                boolScoping = new Boolean(false);
            else if (!sScoping.equalsIgnoreCase("TRUE")) {
                _oLogger.error("Invalid 'scoping' item value found in configuration: " + sScoping);
                throw new OAException(SystemErrors.ERROR_INIT);
            }
        }

        Boolean boolNameIDPolicy = new Boolean(true);
        String sNameIDFormat = null;
        Boolean boolAllowCreate = null;

        Element eNameIDPolicy = configManager.getSection(config, "nameidpolicy");
        if (eNameIDPolicy != null) {
            String sNameIDPolicyEnabled = configManager.getParam(eNameIDPolicy, "enabled");
            if (sNameIDPolicyEnabled != null) {
                if (sNameIDPolicyEnabled.equalsIgnoreCase("FALSE"))
                    boolNameIDPolicy = new Boolean(false);
                else if (!sNameIDPolicyEnabled.equalsIgnoreCase("TRUE")) {
                    _oLogger.error(
                            "Invalid 'enabled' item value in 'nameidpolicy' section found in configuration: "
                                    + sNameIDPolicyEnabled);
                    throw new OAException(SystemErrors.ERROR_INIT);
                }
            }

            if (boolNameIDPolicy) {
                String sAllowCreate = configManager.getParam(eNameIDPolicy, "allow_create");
                if (sAllowCreate != null) {
                    if (sAllowCreate.equalsIgnoreCase("TRUE"))
                        boolAllowCreate = new Boolean(true);
                    else if (sAllowCreate.equalsIgnoreCase("FALSE"))
                        boolAllowCreate = new Boolean(false);
                    else {
                        _oLogger.error(
                                "Invalid 'allow_create' item value found in configuration: " + sAllowCreate);
                        throw new OAException(SystemErrors.ERROR_INIT);
                    }
                }

                sNameIDFormat = configManager.getParam(eNameIDPolicy, "nameidformat");
            }
        }

        Boolean boolAvoidSubjectConfirmation = new Boolean(false); // default: don't avoid
        String sAvoidSC = configManager.getParam(config, "avoid_subjectconfirmation");
        if (sAvoidSC != null) {
            if (sAvoidSC.equalsIgnoreCase("TRUE"))
                boolAvoidSubjectConfirmation = new Boolean(true);
            else if (!sAvoidSC.equalsIgnoreCase("FALSE")) {
                _oLogger.error(
                        "Invalid 'avoid_subjectconfirmation' item value found in configuration: " + sAvoidSC);
                throw new OAException(SystemErrors.ERROR_INIT);
            }
        }

        Boolean boolDisableSSOForIDP = new Boolean(false); // default: don't disable
        String sDisableSSO = configManager.getParam(config, "disable_sso");
        if (sDisableSSO != null) {
            if (sDisableSSO.equalsIgnoreCase("TRUE"))
                boolDisableSSOForIDP = new Boolean(true);
            else if (!sDisableSSO.equalsIgnoreCase("FALSE")) {
                _oLogger.error("Invalid 'disable_sso' item value found in configuration: " + sDisableSSO);
                throw new OAException(SystemErrors.ERROR_INIT);
            }
        }

        saml2IDP = new SAML2IDP(sID, baSourceID, sFriendlyName, sMetadataFile, sMetadataURL,
                iMetadataURLTimeout, boolACSIndex, boolAllowCreate, boolScoping, boolNameIDPolicy,
                sNameIDFormat, boolAvoidSubjectConfirmation, boolDisableSSOForIDP, dLastModified, _sMPMId);
    } catch (OAException e) {
        throw e;
    } catch (Exception e) {
        _oLogger.fatal("Internal error while reading organization configuration", e);
        throw new OAException(SystemErrors.ERROR_INTERNAL);
    }

    return saml2IDP;
}

From source file:io.s4.latin.adapter.TwitterFeedListener.java

public void connectAndRead() throws Exception {
    URL url = new URL(urlString);
    URLConnection connection = url.openConnection();
    connection.setConnectTimeout(10000);
    connection.setReadTimeout(10000);//from  ww  w. j av a 2s .  co m

    String userPassword = userid + ":" + password;
    System.out.println("connect to " + connection.getURL().toString() + " ...");

    String encoded = EncodingUtil.getAsciiString(Base64.encodeBase64(EncodingUtil.getAsciiBytes(userPassword)));
    connection.setRequestProperty("Authorization", "Basic " + encoded);
    connection.setRequestProperty("Accept-Charset", "utf-8,ISO-8859-1");
    connection.connect();
    System.out.println("Connect OK!");
    System.out.println("Reading TwitterFeed ....");
    Long startTime = new Date().getTime();
    InputStream is = connection.getInputStream();
    Charset utf8 = Charset.forName("UTF-8");

    InputStreamReader isr = new InputStreamReader(is, utf8);
    BufferedReader br = new BufferedReader(isr);

    String inputLine = null;

    while ((inputLine = br.readLine()) != null) {
        if (inputLine.trim().length() == 0) {
            blankCount++;
            continue;
        }
        messageCount++;
        messageQueue.add(inputLine);
        if (messageCount % 500 == 0) {
            Long currentTime = new Date().getTime();
            System.out.println("Lines processed: " + messageCount + "\t ( " + blankCount + " empty lines ) in "
                    + (currentTime - startTime) / 1000 + " seconds. Reading "
                    + messageCount / ((currentTime - startTime) / 1000) + " rows/second");
        }
    }
}

From source file:fr.univlr.cri.planning.factory.HugICalendarFactory.java

/**
 * Lecture d'un fichier icalendar via l'API de la librairie ical4j. Les
 * occupations contenues dans la fenetre d'interrogation [dateDebut, dateFin]
 * sont retournees.// w w  w  . j  a  v a  2s.c om
 * 
 * @param pathICalendar
 *          : le chemin du fichier ICS
 * @param dateDebut
 *          : date de debut de la periode d'interrogation
 * @param dateFin
 *          : date de fin de la periode d'interrogation
 * @return
 * @throws CalendarNotFoundException
 */
private CalendarObject newCalendarObjectFromICalendarFileICal4J(String pathICalendar, NSTimestamp dateDebut,
        NSTimestamp dateFin) throws CalendarNotFoundException {

    CalendarObject oCal = null;

    InputStream in = null;
    try {
        // fin = new FileInputStream(pathICalendar);
        URL url = new URL(pathICalendar);
        URLConnection con = url.openConnection();
        con.connect();
        in = con.getInputStream();
    } catch (FileNotFoundException e) {
        throw new CalendarNotFoundException("Calendar " + pathICalendar + " non trouv ou acc?s refus.");
    } catch (MalformedURLException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    /*
     * CalendarBuilder calendarBuilder = new CalendarBuilder();
     * 
     * try { long l1 = System.currentTimeMillis(); Calendar calendar =
     * calendarBuilder.build(in); oCal = new CalendarObject(pathICalendar); l1 =
     * System.currentTimeMillis() - l1; CktlLog.log(">> parsing : " + l1 +
     * " ms ("+pathICalendar+")");
     * 
     * // on passe au evenements for (Iterator i =
     * calendar.getComponents().iterator(); i.hasNext();) { Component component
     * = (Component) i.next(); if (component.getName().equals(Component.VEVENT))
     * { VEvent vEvent = (VEvent) component; oCal.addSPVEvent(new
     * SPVEvent(vEvent)); } }
     * 
     * 
     * 
     * } catch (IOException e) { throw new
     * CalendarNotFoundException("Calendar "+ pathICalendar
     * +" erreur de lecture " + e.getMessage()); } catch (ParserException e) {
     * throw new CalendarNotFoundException("Calendar "+ pathICalendar
     * +" erreur de lecture " + e.getMessage()); }
     */

    String string = null;

    try {
        long l1 = System.currentTimeMillis();
        URL url = new URL(pathICalendar);
        URLConnection con = url.openConnection();
        con.connect();

        BufferedInputStream bin = new BufferedInputStream(con.getInputStream());
        StringWriter out = new StringWriter();
        int b;
        while ((b = bin.read()) != -1)
            out.write(b);
        out.flush();
        out.close();
        bin.close();
        string = out.toString();
        l1 = System.currentTimeMillis() - l1;
        System.out.println("converting calendar url to string : " + l1 + " ms (" + pathICalendar + ")");
    } catch (IOException ie) {
        ie.printStackTrace();
    }

    long l1 = System.currentTimeMillis();
    StringReader sin = new StringReader(string);
    CalendarBuilder builder = new CalendarBuilder();

    Calendar calendar = null;
    try {
        calendar = builder.build(sin);
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (ParserException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    l1 = System.currentTimeMillis() - l1;
    System.out.println("parse calendar string : " + l1 + " ms (" + pathICalendar + ")");

    oCal = new CalendarObject(pathICalendar);

    // on passe au evenements
    for (Iterator i = calendar.getComponents().iterator(); i.hasNext();) {
        Component component = (Component) i.next();
        if (component.getName().equals(Component.VEVENT)) {
            VEvent vEvent = (VEvent) component;
            oCal.addSPVEvent(new SPVEvent(vEvent));
        }
    }

    // on met en cache notre affaire
    if (oCal != null) {
        putCalendarInCache(pathICalendar, oCal);
    }

    return oCal;
}

From source file:hudson.cli.CLI.java

/**
 * If the server advertises CLI endpoint, returns its location.
 * @deprecated Specific to {@link Mode#REMOTING}.
 *///ww  w  . j av  a 2 s  . c o m
@Deprecated
protected CliPort getCliTcpPort(URL url) throws IOException {
    if (url.getHost() == null || url.getHost().length() == 0) {
        throw new IOException("Invalid URL: " + url);
    }
    URLConnection head = url.openConnection();
    try {
        head.connect();
    } catch (IOException e) {
        throw (IOException) new IOException("Failed to connect to " + url).initCause(e);
    }

    String h = head.getHeaderField("X-Jenkins-CLI-Host");
    if (h == null)
        h = head.getURL().getHost();
    String p1 = head.getHeaderField("X-Jenkins-CLI-Port");
    if (p1 == null)
        p1 = head.getHeaderField("X-Hudson-CLI-Port"); // backward compatibility
    String p2 = head.getHeaderField("X-Jenkins-CLI2-Port");

    String identity = head.getHeaderField("X-Instance-Identity");

    flushURLConnection(head);
    if (p1 == null && p2 == null) {
        verifyJenkinsConnection(head);

        throw new IOException("No X-Jenkins-CLI2-Port among " + head.getHeaderFields().keySet());
    }

    if (p2 != null)
        return new CliPort(new InetSocketAddress(h, Integer.parseInt(p2)), identity, 2);
    else
        return new CliPort(new InetSocketAddress(h, Integer.parseInt(p1)), identity, 1);
}

From source file:org.wymiwyg.wrhapi.test.BaseTests.java

/**
 * Test whether the getPort method returns the actual request port and not the one
 * included in the host-header/*  w  w w.  ja v  a2  s .c  om*/
 * @throws Exception 
 */
@Test
public void testPort() throws Exception {
    WebServer webServer = createServer().startNewWebServer(new Handler() {

        public void handle(Request request, Response response) throws HandlerException {
            assertEquals(serverBinding.getPort(), request.getPort());
        }
    }, serverBinding);

    try {
        URL serverURL = new URL("http://" + serverBinding.getInetAddress().getHostAddress() + ":"
                + serverBinding.getPort() + "/");
        URLConnection connection = serverURL.openConnection();
        connection.setRequestProperty("host", "foo:88");
        connection.setRequestProperty("FOO", "bar");
        connection.connect();
        // for the handler to be invoked, something of the response has to
        // be asked
        //assertEquals(headerValue, connection.getHeaderField("Cookie"));
        connection.getContentLength();
    } catch (MalformedURLException e) {
        throw new RuntimeException(e);
    } catch (IOException e) {
        throw new RuntimeException(e);
    } finally {
        webServer.stop();
    }
}

From source file:org.kite9.diagram.server.AbstractKite9Controller.java

/**
 * Retrieves user info from cookie/*  w ww .  j a va2 s .  c om*/
 */
public User getUser(HttpServletRequest req) {
    if (isLocal()) {
        return LOCAL_USER;
    }

    Cookie[] cookies = req.getCookies();
    String wpCookieName = null;
    String wpCookieValue = null;
    if (cookies != null) {
        for (Cookie cookie : cookies) {
            if (cookie.getName().startsWith("wordpress_logged_in")) {
                wpCookieName = cookie.getName();
                wpCookieValue = cookie.getValue();
            }
        }
    }

    final String ip = req.getRemoteAddr();
    final String host = req.getRemoteHost();

    System.out.println("Session : " + wpCookieName + " " + wpCookieValue);

    if (wpCookieName == null) {
        return NO_USER;
    }

    try {
        URL u = new URL(URL_ROOT + "/kite9_user_info");
        URLConnection conn = u.openConnection();
        conn.setRequestProperty("Cookie", wpCookieName + "=" + wpCookieValue);
        conn.connect();
        BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        String line = br.readLine();
        br.close();
        if (line.contains("<none>")) {
            return NO_USER;
        } else {
            String parts[] = line.split(",");
            int id = Integer.parseInt(parts[1]);
            return new User(id, parts[0], false, ip, host);
        }
    } catch (IOException e) {
        throw new Kite9ProcessingException("Couldn't handle user log-in", e);
    }
}

From source file:org.wymiwyg.wrhapi.test.BaseTests.java

/**
 * set a "cookie" request header and expects the same value in the "cookie"
 * response header/*from  w  w  w .j av  a2 s  . co  m*/
 * 
 * @throws Exception
 */
@Test
public void testMultipleRequestHeader() throws Exception {
    final String headerValue = "bla blah";
    WebServer webServer = createServer().startNewWebServer(new Handler() {

        public void handle(Request request, Response response) throws HandlerException {
            log.info("handling testMultipleRequestHeader");

            String receivedHeaderValue = request.getHeaderValues(HeaderName.COOKIE)[0];
            response.setHeader(HeaderName.COOKIE, receivedHeaderValue);
            assertEquals(headerValue, receivedHeaderValue);
        }
    }, serverBinding);

    try {
        URL serverURL = new URL("http://" + serverBinding.getInetAddress().getHostAddress() + ":"
                + serverBinding.getPort() + "/");
        URLConnection connection = serverURL.openConnection();
        connection.setRequestProperty("CoOkie", headerValue);
        connection.setRequestProperty("FOO", "bar");
        connection.connect();
        // for the handler to be invoked, something of the response has to
        // be asked
        assertEquals(headerValue, connection.getHeaderField("Cookie"));
        connection.getContentLength();
    } catch (MalformedURLException e) {
        throw new RuntimeException(e);
    } catch (IOException e) {
        throw new RuntimeException(e);
    } finally {
        webServer.stop();
    }
}

From source file:org.apache.cocoon.components.crawler.SimpleCocoonCrawlerImpl.java

/**
 * Compute list of links from the url./*ww w.j  av a2  s  . c  o m*/
 * <p>
 *   Check for include, exclude pattern, content-type, and if url
 *   has been craweled already.
 * </p>
 *
 * @param  url  Crawl this URL
 * @return      List of URLs, which are links from url, asserting the conditions.
 * @since
 */
private List getLinks(URL url) {
    ArrayList url_links = null;
    String sURL = url.toString();

    if (!isIncludedURL(sURL) || isExcludedURL(sURL)) {
        return null;
    }

    // don't try to get links for url which has been crawled already
    if (crawled.contains(sURL)) {
        return null;
    }

    // mark it as crawled
    crawled.add(sURL);

    // get links of url
    if (getLogger().isDebugEnabled()) {
        getLogger().debug("Getting links of URL " + sURL);
    }
    BufferedReader br = null;
    try {
        sURL = url.getFile();
        URL links = new URL(url, sURL + ((sURL.indexOf("?") == -1) ? "?" : "&") + linkViewQuery);
        URLConnection links_url_connection = links.openConnection();
        links_url_connection.setRequestProperty("Accept", accept);
        links_url_connection.setRequestProperty("User-Agent", userAgent);
        links_url_connection.connect();
        InputStream is = links_url_connection.getInputStream();
        br = new BufferedReader(new InputStreamReader(is));

        String contentType = links_url_connection.getContentType();
        if (contentType == null) {
            if (getLogger().isDebugEnabled()) {
                getLogger().debug("Ignoring " + sURL + " (no content type)");
            }
            // there is a check on null in the calling method
            return null;
        }

        int index = contentType.indexOf(';');
        if (index != -1) {
            contentType = contentType.substring(0, index);
        }

        if (getLogger().isDebugEnabled()) {
            getLogger().debug("Content-type: " + contentType);
        }

        if (contentType.equals(linkContentType)) {
            url_links = new ArrayList();

            // content is supposed to be a list of links,
            // relative to current URL
            String line;
            while ((line = br.readLine()) != null) {
                final URL newUrl = new URL(url, line);
                final String sNewUrl = newUrl.toString();

                boolean add_url = true;
                // don't add new_url twice
                if (add_url) {
                    add_url &= !url_links.contains(sNewUrl);
                }

                // don't add new_url if it has been crawled already
                if (add_url) {
                    add_url &= !crawled.contains(sNewUrl);
                }

                // don't add if is not matched by existing include definition
                if (add_url) {
                    add_url &= isIncludedURL(sNewUrl);
                }

                // don't add if is matched by existing exclude definition
                if (add_url) {
                    add_url &= !isExcludedURL(sNewUrl);
                }
                if (add_url) {
                    if (getLogger().isDebugEnabled()) {
                        getLogger().debug("Add URL: " + sNewUrl);
                    }
                    url_links.add(newUrl);
                }
            }
            // now we have a list of URL which should be examined
        }
    } catch (IOException ioe) {
        getLogger().warn("Problems get links of " + url, ioe);
    } finally {
        if (br != null) {
            try {
                br.close();
                br = null;
            } catch (IOException ignored) {
            }
        }
    }
    return url_links;
}

From source file:org.pentaho.osgi.platform.webjars.WebjarsURLConnection.java

@Override
public InputStream getInputStream() throws IOException {
    try {/*from   w  w  w.j  a va 2  s  .co m*/
        final PipedOutputStream pipedOutputStream = new PipedOutputStream();
        PipedInputStream pipedInputStream = new PipedInputStream(pipedOutputStream);

        // making this here allows to fail with invalid URLs
        final URLConnection urlConnection = url.openConnection();
        urlConnection.connect();
        final InputStream originalInputStream = urlConnection.getInputStream();

        transform_thread = EXECUTOR.submit(
                new WebjarsTransformer(url, originalInputStream, pipedOutputStream, this.minificationEnabled));

        return pipedInputStream;
    } catch (Exception e) {
        logger.error(getURL().toString() + ": Error opening url");

        throw new IOException("Error opening url", e);
    }
}

From source file:org.geosdi.geoplatform.gui.server.service.impl.LayerService.java

@Override
public boolean checkKmlUrl(String urlString) throws GeoPlatformException {
    try {/*  w  w w  .  j  a v a2s  .  co m*/
        URL url = new URL(urlString);
        URLConnection myURLConnection = url.openConnection();
        myURLConnection.connect();
        //            String contentType = myURLConnection.getContentType();
        //            if (!contentType.contains("xml")) {
        //                return true;
        //            }
    } catch (IOException ex) {
        logger.info("Error on executing Check url: " + ex);
        throw new GeoPlatformException("Error on executing ParseURLServlet.");
    }
    return false;
}