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:com.dotmarketing.portlets.rules.actionlet.VisitorsTagsActionletFTest.java

@After
public void tearDown() throws Exception {
    URL logoutUrl = new URL(baseUrl + "/destroy.jsp");
    URLConnection con = logoutUrl.openConnection();

    con.connect();
    con.getInputStream();/*from  w  w  w . j  av a 2  s .  c  om*/

    for (Rule rule : rulesToRemove) {
        ruleDataGen.remove(rule);
    }
    rulesToRemove.clear();
}

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From source file:com.dotmarketing.portlets.rules.actionlet.PersonaActionletFTest.java

@After
public void tearDown() throws Exception {
    URL logoutUrl = new URL(baseUrl + "/destroy.jsp");
    URLConnection con = logoutUrl.openConnection();

    con.connect();
    con.getInputStream();//from  w w w .  j av a  2s .  c o m
}

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From source file:org.apache.falcon.logging.JobLogMover.java

private InputStream getURLinputStream(URL url) throws IOException {
    URLConnection connection = url.openConnection();
    connection.setDoOutput(true);//from  ww  w .  j  a  v  a  2s . c o  m
    connection.connect();
    return connection.getInputStream();
}

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From source file:org.esupportail.papercut.services.PayBoxService.java

public void updatePayBoxActionUrl() {
    for (String payboxActionUrl : payboxActionUrls) {
        try {/*from  w w  w . j a v  a2s.  c  om*/
            // on teste la connection, pour voir si le serveur est disponible
            URL url = new URL(payboxActionUrl);
            URLConnection connection = url.openConnection();
            connection.connect();
            connection.getInputStream().read();
            this.payboxActionUrlOK = payboxActionUrl;
        } catch (Exception e) {
            log.warn("Pb with " + payboxActionUrl, e);
        }
    }
    if (this.payboxActionUrlOK == null) {
        throw new RuntimeException("No paybox action url is available at the moment !");
    }
}

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From source file:io.apiman.manager.api.core.plugin.AbstractPluginRegistry.java

/**
 * Tries to download the plugin from the given remote maven repository.
 */// w  w  w  .  ja  va2s  .  co m
protected boolean downloadFromMavenRepo(File pluginFile, PluginCoordinates coordinates, URI mavenRepoUrl) {
    String artifactSubPath = PluginUtils.getMavenPath(coordinates);
    InputStream istream = null;
    OutputStream ostream = null;
    try {
        URL artifactUrl = new URL(mavenRepoUrl.toURL(), artifactSubPath);
        URLConnection connection = artifactUrl.openConnection();
        connection.connect();
        if (connection instanceof HttpURLConnection) {
            HttpURLConnection httpConnection = (HttpURLConnection) connection;
            if (httpConnection.getResponseCode() != 200) {
                throw new IOException();
            }
        }

        istream = connection.getInputStream();
        ostream = new FileOutputStream(pluginFile);
        IOUtils.copy(istream, ostream);
        ostream.flush();
        return true;
    } catch (Exception e) {
        return false;
    } finally {
        IOUtils.closeQuietly(istream);
        IOUtils.closeQuietly(ostream);
    }
}

---

From source file:com.kamosoft.flickr.model.Photo.java

private Bitmap getBitmapFromURL(String url) throws JSONException, IOException {
    Bitmap bm = null;/*from   w ww  . j a  va 2s  .  co m*/
    URL aURL = new URL(url);
    URLConnection conn = aURL.openConnection();
    conn.connect();
    InputStream is = conn.getInputStream();
    BufferedInputStream bis = new BufferedInputStream(is);
    bm = BitmapFactory.decodeStream(bis);
    bis.close();
    is.close();

    return bm;
}

---

From source file:org.apache.roller.weblogger.ui.rendering.velocity.deprecated.NewsfeedCache.java

/**
 * Returns a Channel object for the supplied RSS newsfeed URL.
 *
 * @param feedUrl RSS newsfeed URL.//  w  ww . ja v a  2 s .c om
 * @return FlockFeedI for specified RSS newsfeed URL.
 */
public SyndFeed getChannel(String feedUrl) {

    SyndFeed feed = null;
    try {
        // If aggregator has been disable return null
        if (!aggregator_enabled) {
            return null;
        }

        if (aggregator_cache_enabled) {
            if (log.isDebugEnabled()) {
                log.debug("Newsfeed: use Cache for " + feedUrl);
            }

            // Get pre-parsed feed from the cache
            feed = (SyndFeed) mCache.get(feedUrl);
            if (log.isDebugEnabled()) {
                log.debug("Newsfeed: got from Cache");
            }

            if (feed == null) {
                try {
                    // Parse the feed
                    SyndFeedInput feedInput = new SyndFeedInput();
                    feed = feedInput.build(new InputStreamReader(new URL(feedUrl).openStream()));
                } catch (Exception e1) {
                    log.info("Error parsing RSS: " + feedUrl);
                }
            }
            // Store parsed feed in the cache
            mCache.put(feedUrl, feed);
            log.debug("Newsfeed: not in Cache");

        } else {
            if (log.isDebugEnabled()) {
                log.debug("Newsfeed: not using Cache for " + feedUrl);
            }
            try {
                // charset fix from Jason Rumney (see ROL-766)
                URLConnection connection = new URL(feedUrl).openConnection();
                connection.connect();
                String contentType = connection.getContentType();
                // Default charset to UTF-8, since we are expecting XML
                String charset = "UTF-8";
                if (contentType != null) {
                    int charsetStart = contentType.indexOf("charset=");
                    if (charsetStart >= 0) {
                        int charsetEnd = contentType.indexOf(";", charsetStart);
                        if (charsetEnd == -1)
                            charsetEnd = contentType.length();
                        charsetStart += "charset=".length();
                        charset = contentType.substring(charsetStart, charsetEnd);
                        // Check that charset is recognized by Java
                        try {
                            byte[] test = "test".getBytes(charset);
                        } catch (UnsupportedEncodingException codingEx) {
                            // default to UTF-8
                            charset = "UTF-8";
                        }
                    }
                }
                // Parse the feed
                SyndFeedInput feedInput = new SyndFeedInput();
                feed = feedInput.build(new InputStreamReader(connection.getInputStream(), charset));
            } catch (Exception e1) {
                log.info("Error parsing RSS: " + feedUrl);
            }
        }

    } catch (Exception ioe) {
        if (log.isDebugEnabled()) {
            log.debug("Newsfeed: Unexpected exception", ioe);
        }
    }

    return feed;
}

---

From source file:eu.faircode.netguard.DownloadTask.java

@Override
protected Object doInBackground(Object... args) {
    Log.i(TAG, "Downloading " + url + " into " + file);

    InputStream in = null;/*from   w  w w.  j a  v  a 2  s . c o  m*/
    OutputStream out = null;
    URLConnection connection = null;
    try {
        connection = url.openConnection();
        connection.connect();

        if (connection instanceof HttpURLConnection) {
            HttpURLConnection httpConnection = (HttpURLConnection) connection;
            if (httpConnection.getResponseCode() != HttpURLConnection.HTTP_OK)
                throw new IOException(
                        httpConnection.getResponseCode() + " " + httpConnection.getResponseMessage());
        }

        int contentLength = connection.getContentLength();
        Log.i(TAG, "Content length=" + contentLength);
        in = connection.getInputStream();
        out = new FileOutputStream(file);

        long size = 0;
        byte buffer[] = new byte[4096];
        int bytes;
        while (!isCancelled() && (bytes = in.read(buffer)) != -1) {
            out.write(buffer, 0, bytes);

            size += bytes;
            if (contentLength > 0)
                publishProgress((int) (size * 100 / contentLength));
        }

        Log.i(TAG, "Downloaded size=" + size);
        return null;
    } catch (Throwable ex) {
        return ex;
    } finally {
        try {
            if (out != null)
                out.close();
        } catch (IOException ex) {
            Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
        }
        try {
            if (in != null)
                in.close();
        } catch (IOException ex) {
            Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
        }

        if (connection instanceof HttpURLConnection)
            ((HttpURLConnection) connection).disconnect();
    }
}

---

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

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

    Pattern pat = Pattern.compile(ExpressionExperimentBibRefFinder.PUBMEDREF_REGEX);

    URLConnection conn;
    try {
        url = new URL(ExpressionExperimentBibRefFinder.GEO_SERIES_URL_BASE + geoSeries);
        conn = url.openConnection();
        conn.connect();
    } catch (IOException e1) {
        ExpressionExperimentBibRefFinder.log.error(e1, e1);
        throw new RuntimeException("Could not get data from remote server", e1);
    }

    try (InputStream is = conn.getInputStream();
            BufferedReader br = new BufferedReader(new InputStreamReader(is))) {

        String line;
        while ((line = br.readLine()) != null) {
            Matcher mat = pat.matcher(line);
            ExpressionExperimentBibRefFinder.log.debug(line);
            if (mat.find()) {
                String capturedAccession = mat.group(1);
                if (StringUtils.isBlank(capturedAccession))
                    return -1;
                return Integer.parseInt(capturedAccession);
            }
        }

    } catch (IOException e) {
        ExpressionExperimentBibRefFinder.log.error(e, e);
        throw new RuntimeException("Could not get data from remote server", e);
    } catch (NumberFormatException e) {
        ExpressionExperimentBibRefFinder.log.error(e, e);
        throw new RuntimeException("Could not determine valid pubmed id");
    }

    return -1;

}

---

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 . ja  va  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;
}

---

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