Example usage for java.net HttpURLConnection connect

Introduction

In this page you can find the example usage for java.net HttpURLConnection 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:foam.blob.RestBlobService.java

@Override
public Blob find_(X x, Object id) {
    InputStream is = null;/* w  w w . ja v  a  2s.c  o m*/
    ByteArrayOutputStream os = null;
    HttpURLConnection connection = null;

    try {
        URL url = new URL(this.address_ + "/" + id.toString());
        connection = (HttpURLConnection) url.openConnection();

        connection.setRequestMethod("GET");
        connection.connect();

        if (connection.getResponseCode() != HttpURLConnection.HTTP_OK || connection.getContentLength() == -1) {
            throw new RuntimeException("Failed to find blob");
        }

        is = new BufferedInputStream(connection.getInputStream());
        os = new ByteArrayOutputStream();

        int read = 0;
        byte[] buffer = new byte[BUFFER_SIZE];
        while ((read = is.read(buffer, 0, BUFFER_SIZE)) != -1) {
            os.write(buffer, 0, read);
        }

        return new ByteArrayBlob(os.toByteArray());
    } catch (Throwable t) {
        throw new RuntimeException(t);
    } finally {
        IOUtils.closeQuietly(os);
        IOUtils.closeQuietly(is);
        IOUtils.close(connection);
    }
}

---

From source file:alluxio.worker.block.BlockWorkerClientRestApiTest.java

@Test
public void readBlock() throws Exception {
    // Write a block and acquire a lock for it.
    mBlockWorker.createBlock(SESSION_ID, BLOCK_ID, TIER_ALIAS, INITIAL_BYTES);
    BlockWriter writer = mBlockWorker.getTempBlockWriterRemote(SESSION_ID, BLOCK_ID);
    writer.append(BYTE_BUFFER);/* ww w  .  ja v a2 s  .c  o  m*/
    writer.close();
    mBlockWorker.commitBlock(SESSION_ID, BLOCK_ID);
    long lockId = mBlockWorker.lockBlock(SESSION_ID, BLOCK_ID);

    Map<String, String> params = new HashMap<>();
    params.put("blockId", Long.toString(BLOCK_ID));
    params.put("sessionId", Long.toString(SESSION_ID));
    params.put("lockId", Long.toString(lockId));
    params.put("offset", "0");
    params.put("length", Long.toString(INITIAL_BYTES));

    TestCase testCase = new TestCase(mHostname, mPort,
            getEndpoint(BlockWorkerClientRestServiceHandler.READ_BLOCK), params, HttpMethod.GET, BYTE_BUFFER);

    HttpURLConnection connection = (HttpURLConnection) testCase.createURL().openConnection();
    connection.setRequestMethod(testCase.getMethod());
    connection.connect();
    Assert.assertEquals(testCase.getEndpoint(), Response.Status.OK.getStatusCode(),
            connection.getResponseCode());
    Assert.assertEquals(new String(BYTE_BUFFER.array()), testCase.getResponse(connection));
}

---

From source file:com.ejisto.modules.dao.remote.BaseRemoteDao.java

private HttpURLConnection openConnection(String requestPath, String method) throws IOException {
    String destination = serverAddress + defaultIfEmpty(requestPath, "/");
    log.log(Level.FINEST, "url destination: " + destination);
    HttpURLConnection connection = (HttpURLConnection) new URL(destination).openConnection();
    connection.setDoInput(true);/*from w w w. j  a va  2  s .  co  m*/
    connection.setDoOutput(true);
    if (method != null) {
        connection.setRequestMethod(method.toUpperCase());
    }
    connection.connect();
    return connection;
}

---

From source file:com.sastix.cms.server.services.content.HashedDirectoryServiceTest.java

private int checkIfUrlExists(final URL url) {
    try {//from   www . ja  v a2 s  . co m
        final HttpURLConnection huc = (HttpURLConnection) url.openConnection();
        huc.setRequestMethod("GET"); //OR  huc.setRequestMethod ("HEAD");
        huc.connect();
        return huc.getResponseCode();
    } catch (IOException e) {
        //eat it
    }
    return 400;
}

---

From source file:freemarker.test.servlet.WebAppTestCase.java

protected final HTTPResponse getHTTPResponse(String webAppName, String webAppRelURL) throws Exception {
    if (webAppName.startsWith("/") || webAppName.endsWith("/")) {
        throw new IllegalArgumentException("\"webAppName\" can't start or end with \"/\": " + webAppName);
    }/*w w w.  java  2s  .  c  om*/
    if (webAppRelURL.startsWith("/") || webAppRelURL.endsWith("/")) {
        throw new IllegalArgumentException("\"webappRelURL\" can't start or end with \"/\": " + webAppRelURL);
    }

    ensureWebAppIsDeployed(webAppName);

    final URI uri = new URI("http://localhost:" + server.getConnectors()[0].getLocalPort() + "/" + webAppName
            + "/" + webAppRelURL);

    final HttpURLConnection httpCon = (HttpURLConnection) uri.toURL().openConnection();
    httpCon.connect();
    try {
        LOG.debug("HTTP GET: {}", uri);

        final int responseCode = httpCon.getResponseCode();

        final String content;
        if (responseCode == 200) {
            InputStream in = httpCon.getInputStream();
            try {
                content = IOUtils.toString(in, "UTF-8");
            } finally {
                in.close();
            }
        } else {
            content = null;
        }

        return new HTTPResponse(responseCode, httpCon.getResponseMessage(), content, uri);
    } finally {
        httpCon.disconnect();
    }
}

---

From source file:luan.com.flippit.GcmIntentService.java

private String extraMIMEOnline(String urlStr) {
    String contentType = "";
    try {/*from w  w w . j  av  a2 s . co  m*/
        URL url = new URL(urlStr);
        HttpURLConnection connection = null;
        connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("HEAD");
        connection.connect();
        contentType = connection.getContentType();
        Log.i(MyActivity.TAG, getClass().getName() + ": " + "Extra content type: " + contentType);
        if (contentType != null) {
            contentType = "web";
        }

    } catch (IOException e) {
        e.printStackTrace();
    }
    return contentType;
}

---

From source file:com.graphhopper.http.NominatimGeocoder.java

HttpURLConnection openConnection(String url) throws IOException {
    HttpURLConnection hConn = (HttpURLConnection) new URL(url).openConnection();
    ;/*www. jav  a2s. com*/
    hConn.setRequestProperty("User-Agent", userAgent);
    hConn.setRequestProperty("content-charset", "UTF-8");
    hConn.setConnectTimeout(timeoutInMillis);
    hConn.setReadTimeout(timeoutInMillis);
    hConn.connect();
    return hConn;
}

---

From source file:org.digitalcampus.oppia.task.DownloadMediaTask.java

@Override
protected Payload doInBackground(Payload... params) {
    Payload payload = params[0];//from   ww  w  . jav  a  2 s.co  m
    for (Object o : payload.getData()) {
        Media m = (Media) o;
        File file = new File(MobileLearning.MEDIA_PATH, m.getFilename());
        try {

            URL u = new URL(m.getDownloadUrl());
            HttpURLConnection c = (HttpURLConnection) u.openConnection();
            c.setRequestMethod("GET");
            c.setDoOutput(true);
            c.connect();
            c.setConnectTimeout(
                    Integer.parseInt(prefs.getString(ctx.getString(R.string.prefs_server_timeout_connection),
                            ctx.getString(R.string.prefServerTimeoutConnection))));
            c.setReadTimeout(
                    Integer.parseInt(prefs.getString(ctx.getString(R.string.prefs_server_timeout_response),
                            ctx.getString(R.string.prefServerTimeoutResponse))));

            int fileLength = c.getContentLength();

            DownloadProgress dp = new DownloadProgress();
            dp.setMessage(m.getFilename());
            dp.setProgress(0);
            publishProgress(dp);

            FileOutputStream f = new FileOutputStream(file);
            InputStream in = c.getInputStream();

            MessageDigest md = MessageDigest.getInstance("MD5");
            in = new DigestInputStream(in, md);

            byte[] buffer = new byte[8192];
            int len1 = 0;
            long total = 0;
            int progress = 0;
            while ((len1 = in.read(buffer)) > 0) {
                total += len1;
                progress = (int) (total * 100) / fileLength;
                if (progress > 0) {
                    dp.setProgress(progress);
                    publishProgress(dp);
                }
                f.write(buffer, 0, len1);
            }
            f.close();

            dp.setProgress(100);
            publishProgress(dp);

            // check the file digest matches, otherwise delete the file 
            // (it's either been a corrupted download or it's the wrong file)
            byte[] digest = md.digest();
            String resultMD5 = "";

            for (int i = 0; i < digest.length; i++) {
                resultMD5 += Integer.toString((digest[i] & 0xff) + 0x100, 16).substring(1);
            }

            Log.d(TAG, "supplied   digest: " + m.getDigest());
            Log.d(TAG, "calculated digest: " + resultMD5);

            if (!resultMD5.contains(m.getDigest())) {
                this.deleteFile(file);
                payload.setResult(false);
                payload.setResultResponse(ctx.getString(R.string.error_media_download));
            } else {
                payload.setResult(true);
                payload.setResultResponse(ctx.getString(R.string.success_media_download, m.getFilename()));
            }
        } catch (ClientProtocolException e1) {
            e1.printStackTrace();
            payload.setResult(false);
            payload.setResultResponse(ctx.getString(R.string.error_media_download));
        } catch (IOException e1) {
            e1.printStackTrace();
            this.deleteFile(file);
            payload.setResult(false);
            payload.setResultResponse(ctx.getString(R.string.error_media_download));
        } catch (NoSuchAlgorithmException e) {
            if (!MobileLearning.DEVELOPER_MODE) {
                BugSenseHandler.sendException(e);
            } else {
                e.printStackTrace();
            }
            payload.setResult(false);
            payload.setResultResponse(ctx.getString(R.string.error_media_download));
        }
    }
    return payload;
}

---

From source file:de.tudresden.inf.rn.mobilis.clientservices.socialnetwork.SocialNetworkManager.java

public void loginOAuth2() throws OAuthMessageSignerException, OAuthNotAuthorizedException,
        OAuthExpectationFailedException, OAuthCommunicationException, IOException {
    OAuthConsumer consumer = new DefaultOAuthConsumer(getConsumerKey(), getConsumerSecret());

    OAuthProvider provider = new DefaultOAuthProvider(getRequestTokenURL(), getAccessTokenURL(),
            getAuthorizeURL());//from  w w w .j  a  v  a 2 s  . c  om

    Log.v(TAG, "Fetching request token ...");

    // we do not support callbacks, thus pass OOB
    String authUrl = provider.retrieveRequestToken(consumer, OAuth.OUT_OF_BAND);

    Log.v(TAG, "Request token: " + consumer.getToken());
    Log.v(TAG, "Token secret: " + consumer.getTokenSecret());

    Log.v(TAG, "Now visit:\n" + authUrl + "\n... and grant this app authorization");
    Log.v(TAG, "Enter the PIN code and hit ENTER when you're done:");

    //      BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    //      String pin = br.readLine();
    String pin = "abc";

    System.out.println("Fetching access token ...");

    provider.retrieveAccessToken(consumer, pin);

    Log.v(TAG, "Access token: " + consumer.getToken());
    Log.v(TAG, "Token secret: " + consumer.getTokenSecret());

    URL url = new URL("http://twitter.com/statuses/mentions.xml");
    HttpURLConnection request = (HttpURLConnection) url.openConnection();

    consumer.sign(request);

    Log.v(TAG, "Sending request...");
    request.connect();

    Log.v(TAG, "Response: " + request.getResponseCode() + " " + request.getResponseMessage());

}

---

From source file:com.jug6ernaut.android.utilites.FileDownloader.java

public File downloadFile(String serverUrl, String fileToFetch, File outputFile) throws IOException {
    //File outputFile = null;

    String urlToFetch = serverUrl + fileToFetch;
    URL url = new URL(urlToFetch);
    HttpURLConnection c = (HttpURLConnection) url.openConnection();
    c.setRequestMethod("GET");
    c.setDoOutput(true);//from   ww  w.  ja v a 2 s  . co  m
    c.connect();

    File dir = outputFile.getParentFile();
    dir.mkdirs();

    FileOutputStream fos = new FileOutputStream(outputFile);

    InputStream is = c.getInputStream();

    byte[] buffer = new byte[1024];
    int len1 = 0;
    while ((len1 = is.read(buffer)) != -1) {
        fos.write(buffer, 0, len1);
    }
    fos.close();
    is.close();

    //pd.dismiss();
    return outputFile;
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• 48
• 49
• 50
• »