Example usage for java.net HttpURLConnection disconnect

List of usage examples for java.net HttpURLConnection disconnect

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Introduction

In this page you can find the example usage for java.net HttpURLConnection disconnect.

Prototype

public abstract void disconnect();

Source Link

Document

Indicates that other requests to the server are unlikely in the near future.

Usage

From source file:com.google.gdocsfs.GoogleDocs.java

public final void download(URL source, File target) throws IOException {

    InputStream is = null;// www .  j a va2s  .com
    FileOutputStream fos = null;
    HttpURLConnection connection = null;

    try {
        connection = getConnection(source, "GET");
        connection.connect();
        is = connection.getInputStream();
        fos = new FileOutputStream(target);
        int readCount;
        byte[] data = new byte[BLOCK_SIZE];
        while ((readCount = is.read(data)) > 0) {
            fos.write(data, 0, readCount);
        }

    } finally {
        if (fos != null) {
            fos.flush();
            fos.close();
        }
        if (is != null) {
            is.close();
        }
        if (connection != null) {
            connection.disconnect();
        }
    }
}

From source file:com.tc.util.io.ServerURL.java

public String getServerVersion(PwProvider pwProvider) throws IOException {
    for (int i = 0; i < 3; i++) {
        HttpURLConnection urlConnection = createSecureConnection(pwProvider);
        try {//from w w  w.  j av  a 2  s.  co  m
            urlConnection.connect();
            int responseCode = urlConnection.getResponseCode();
            if (responseCode == 200) {
                return urlConnection.getHeaderField(VERSION_HEADER);
            } else {
                logger.info("Failed to retrieve header field, response code : " + responseCode + ", headers :\n"
                        + readHeaderFields(urlConnection) + " body : \n[" + readLines(urlConnection) + "]");
            }
        } finally {
            urlConnection.disconnect();
        }

        logger.info("Retrying connection since response code != 200");
        ThreadUtil.reallySleep(50);
    }

    throw new IOException(
            "Cannot retrieve " + VERSION_HEADER + " header from server url after 3 tries : " + theURL);
}

From source file:de.thingweb.discovery.TDRepository.java

/**
 * Update existing TD/*from   w ww  .  j a v a2s  . co m*/
 * 
 * @param key in repository (/td/{id})
 * @param content JSON-LD
 * @throws Exception in case of error
 */
public void updateTD(String key, byte[] content) throws Exception {
    URL url = new URL("http://" + repository_uri + key);
    HttpURLConnection httpCon = (HttpURLConnection) url.openConnection();
    httpCon.setDoOutput(true);
    httpCon.setRequestProperty("content-type", "application/ld+json");
    httpCon.setRequestMethod("PUT");
    OutputStream out = httpCon.getOutputStream();
    out.write(content);
    out.close();

    //      InputStream is = httpCon.getInputStream();
    //      ByteArrayOutputStream baos = new ByteArrayOutputStream();
    //      int b;
    //      while ((b = is.read()) != -1) {
    //         baos.write(b);
    //      }

    int responseCode = httpCon.getResponseCode();

    httpCon.disconnect();

    if (responseCode != 200) {
        // error
        throw new RuntimeException("ResponseCodeError: " + responseCode);
    }
}

From source file:eu.seaclouds.platform.planner.optimizerTest.service.OptimizerServiceTestIT.java

@Test(enabled = TestConstants.EnabledTest)
public void testPresenceHeartbeat() {

    log.info("=== TEST for presence of OPTIMIZER service heartbeat in " + BASE_URL + "===");

    String outputLine;//  w w w.  j av  a  2s  . c  o m
    String completeOutput = "";

    try {

        URL url = new URL(BASE_URL + "heartbeat");
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("GET");

        Assert.assertTrue(conn.getResponseCode() == 200, "Error requesting heartbeat in " + BASE_URL
                + ". Instead of 200 we have received code " + conn.getResponseCode());

        BufferedReader br = new BufferedReader(new InputStreamReader((conn.getInputStream())));

        while ((outputLine = br.readLine()) != null) {
            completeOutput += NL + outputLine;
        }

        conn.disconnect();

    } catch (MalformedURLException e) {

        e.printStackTrace();

    } catch (IOException e) {

        e.printStackTrace();

    }

    Assert.assertTrue(completeOutput.contains("alive"),
            "Optimizer NOT alive. Response of heartbeat is: " + completeOutput);

    log.info("=== TEST for presence of OPTIMIZER service heartbeat in " + BASE_URL + " FINISHED ===");

}

From source file:eu.codeplumbers.cosi.api.tasks.DeleteFileTask.java

private String deleteFileRequest(File file) {
    String result = "";
    URL urlO = null;/*from  w  ww  . j  av  a  2  s  . c o  m*/
    try {
        urlO = new URL(url + file.getRemoteId() + "/");
        HttpURLConnection conn = (HttpURLConnection) urlO.openConnection();
        conn.setConnectTimeout(5000);
        conn.setRequestProperty("Content-Type", "application/json; charset=UTF-8");
        conn.setRequestProperty("Authorization", authHeader);
        conn.setDoOutput(false);
        conn.setDoInput(true);

        conn.setRequestMethod("DELETE");

        // read the response
        InputStream in = new BufferedInputStream(conn.getInputStream());

        StringWriter writer = new StringWriter();
        IOUtils.copy(in, writer, "UTF-8");
        result = writer.toString();

        in.close();
        conn.disconnect();

    } catch (MalformedURLException e) {
        result = e.getLocalizedMessage();
    } catch (ProtocolException e) {
        result = e.getLocalizedMessage();
        e.printStackTrace();
    } catch (IOException e) {
        result = e.getLocalizedMessage();
    }

    return result;
}

From source file:eu.seaclouds.platform.planner.optimizerTest.service.OptimizerServiceOpenShiftTest.java

@Test(enabled = TestConstants.EnabledTestOpenShift)
public void testPresenceHeartbeat() {

    log.info("=== TEST for presence of OPTIMIZER service heartbeat in " + BASE_URL + "===");

    String outputLine;/* w ww.j a v a2s. co m*/
    String completeOutput = "";

    try {

        URL url = new URL(BASE_URL + "heartbeat");
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("GET");

        Assert.assertTrue(conn.getResponseCode() == 200, "Error requesting heartbeat in " + BASE_URL
                + ". Instead of 200 we have received code " + conn.getResponseCode());

        BufferedReader br = new BufferedReader(new InputStreamReader((conn.getInputStream())));

        while ((outputLine = br.readLine()) != null) {
            completeOutput += NL + outputLine;
        }

        conn.disconnect();

    } catch (MalformedURLException e) {

        e.printStackTrace();

    } catch (IOException e) {

        e.printStackTrace();

    }

    Assert.assertTrue(completeOutput.contains("alive"),
            "Optimizer NOT alive. Response of heartbeat is: " + completeOutput);

    log.info("=== TEST for presence of OPTIMIZER service heartbeat in " + BASE_URL + " FINISHED ===");

}

From source file:eu.seaclouds.platform.planner.optimizerTest.service.OptimizerServiceTestIT.java

@Test(enabled = false)
public void testPresenceHeartbeatSNAPSHOT() {

    String urlstring = "http://localhost:8080/optimizer-0.8.0-SNAPSHOT/optimizer/";
    log.info("=== TEST for presence of OPTIMIZER service heartbeat in " + urlstring + "===");

    String outputLine;/*w  w w  . j ava2s . c  o m*/
    String completeOutput = "";

    try {

        URL url = new URL(urlstring + "heartbeat");
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("GET");

        Assert.assertTrue(conn.getResponseCode() == 200, "Error requesting heartbeat in " + urlstring
                + " . Instead of 200 we have received code " + conn.getResponseCode());

        BufferedReader br = new BufferedReader(new InputStreamReader((conn.getInputStream())));

        while ((outputLine = br.readLine()) != null) {
            completeOutput += NL + outputLine;
        }

        conn.disconnect();

    } catch (MalformedURLException e) {

        e.printStackTrace();

    } catch (IOException e) {

        e.printStackTrace();

    }

    Assert.assertTrue(completeOutput.contains("alive"),
            "Optimizer NOT alive. Response of heartbeat is: " + completeOutput);

    log.info("=== TEST for presence of OPTIMIZER service heartbeatin " + urlstring + " FINISHED ===");

}

From source file:eu.seaclouds.platform.planner.optimizerTest.service.OptimizerServiceTestIT.java

@Test(enabled = false)
public void testPresenceHeartbeatDIRECT() {

    String urlstring = "http://localhost:8080/optimizer/";
    log.info("=== TEST for presence of OPTIMIZER service heartbeat in " + "urlstring " + "===");

    String outputLine;//from   w  w  w . j  a  v  a2s . co  m
    String completeOutput = "";

    try {

        URL url = new URL(urlstring + "heartbeat");
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("GET");

        Assert.assertTrue(conn.getResponseCode() == 200, "Error requesting heartbeat in " + urlstring
                + " . Instead of 200 we have received code " + conn.getResponseCode());

        BufferedReader br = new BufferedReader(new InputStreamReader((conn.getInputStream())));

        while ((outputLine = br.readLine()) != null) {
            completeOutput += NL + outputLine;
        }

        conn.disconnect();

    } catch (MalformedURLException e) {

        e.printStackTrace();

    } catch (IOException e) {

        e.printStackTrace();

    }

    Assert.assertTrue(completeOutput.contains("alive"),
            "Optimizer NOT alive. Response of heartbeat is: " + completeOutput);

    log.info("=== TEST for presence of OPTIMIZER service heartbeatin " + "urlstring " + " FINISHED ===");

}

From source file:eu.seaclouds.platform.planner.optimizerTest.service.OptimizerServiceOpenShiftTest.java

@Test(enabled = false)
public void testPresenceHeartbeatSNAPSHOT() {

    log.info("=== TEST for presence of OPTIMIZER service DEPLOYED IN OPENSHIFT heartbeat in " + BASE_URL
            + " ===");

    String outputLine;/*from  w  ww  .j  a va  2 s . co m*/
    String completeOutput = "";

    try {

        URL url = new URL(BASE_URL + "heartbeat");
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("GET");

        Assert.assertTrue(conn.getResponseCode() == 200, "Error requesting heartbeat in " + BASE_URL
                + " . Instead of 200 we have received code " + conn.getResponseCode());

        BufferedReader br = new BufferedReader(new InputStreamReader((conn.getInputStream())));

        while ((outputLine = br.readLine()) != null) {
            completeOutput += NL + outputLine;
        }

        conn.disconnect();

    } catch (MalformedURLException e) {

        e.printStackTrace();

    } catch (IOException e) {

        e.printStackTrace();

    }

    Assert.assertTrue(completeOutput.contains("alive"),
            "Optimizer NOT alive. Response of heartbeat is: " + completeOutput);

    log.info("=== TEST for presence of OPTIMIZER service heartbeat IN OPENSHIFT " + BASE_URL + " FINISHED ===");

}

From source file:com.joyent.manta.client.MantaClientSigningIT.java

@Test
public final void testCanCreateSignedHEADUriFromPath() throws IOException {
    if (config.isClientEncryptionEnabled()) {
        throw new SkipException("Signed URLs are not decrypted by the client");
    }//  ww  w  .j  a  va  2 s .c  om

    final String name = UUID.randomUUID().toString();
    final String path = testPathPrefix + name;

    mantaClient.put(path, TEST_DATA);

    // This will throw an error if the newly inserted object isn't present
    mantaClient.head(path);

    Instant expires = Instant.now().plus(1, ChronoUnit.HOURS);
    URI uri = mantaClient.getAsSignedURI(path, "HEAD", expires);

    HttpURLConnection connection = (HttpURLConnection) uri.toURL().openConnection();

    try {
        connection.setReadTimeout(3000);
        connection.setRequestMethod("HEAD");
        connection.connect();

        Map<String, List<String>> headers = connection.getHeaderFields();

        if (connection.getResponseCode() != 200) {
            Assert.fail(IOUtils.toString(connection.getErrorStream(), Charset.defaultCharset()));
        }

        Assert.assertNotNull(headers);
        Assert.assertEquals(TEST_DATA.length(), connection.getContentLength());
    } finally {
        connection.disconnect();
    }
}