Example usage for java.net HttpURLConnection getHeaderField

Introduction

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

Prototype

public String getHeaderField(int n) 

Source Link

Document

Returns the value for the n ^th header field.

Usage

From source file:org.apache.olingo.fit.tecsvc.http.ODataVersionConformanceITCase.java

@Test
public void invalidODataMaxVersionHeader1() throws Exception {
    URL url = new URL(SERVICE_URI + "ESAllPrim");

    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod(HttpMethod.GET.name());
    connection.setRequestProperty(HttpHeader.ODATA_MAX_VERSION, "3.0");
    connection.connect();/*  w  w  w .java  2s  .  co m*/

    assertEquals(HttpStatusCode.BAD_REQUEST.getStatusCode(), connection.getResponseCode());
    assertEquals("4.0", connection.getHeaderField(HttpHeader.ODATA_VERSION));

    final String content = IOUtils.toString(connection.getErrorStream());
    assertTrue(content.contains("OData version '3.0' is not supported."));
}

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From source file:org.nuxeo.s3utils.test.TestS3TempSignedUrl.java

protected File downloadFile(String url) throws IOException {

    File resultFile = null;//from  w ww  .j  a  v a 2 s.  c om

    HttpURLConnection http = null;
    int BUFFER_SIZE = 4096;

    URL theURL = new URL(url);

    http = (HttpURLConnection) theURL.openConnection();
    // HTTPUtils.addHeaders(http, headers, headersAsJSON);

    if (http.getResponseCode() == HttpURLConnection.HTTP_OK) {
        String fileName = "";
        String disposition = http.getHeaderField("Content-Disposition");

        if (disposition != null) {
            // extracts file name from header field
            int index = disposition.indexOf("filename=");
            if (index > -1) {
                fileName = disposition.substring(index + 9);
            }
        } else {
            // extracts file name from URL
            fileName = url.substring(url.lastIndexOf("/") + 1, url.length());
        }
        if (StringUtils.isEmpty(fileName)) {
            fileName = "DownloadedFile-" + java.util.UUID.randomUUID().toString();
        }

        String tempDir = System.getProperty("java.io.tmpdir");
        resultFile = new File(tempDir, fileName);

        FileOutputStream outputStream = new FileOutputStream(resultFile);
        InputStream inputStream = http.getInputStream();
        int bytesRead = -1;
        byte[] buffer = new byte[BUFFER_SIZE];
        while ((bytesRead = inputStream.read(buffer)) != -1) {
            outputStream.write(buffer, 0, bytesRead);
        }

        outputStream.close();
        inputStream.close();
    }

    return resultFile;
}

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From source file:net.technicpack.launchercore.mirror.download.Download.java

@Override
@SuppressWarnings("unused")
public void run() {
    ReadableByteChannel rbc = null;
    FileOutputStream fos = null;//from ww w. j a v a 2  s. c o  m
    try {
        HttpURLConnection conn = Utils.openHttpConnection(url);
        int response = conn.getResponseCode();
        int responseFamily = response / 100;

        if (responseFamily == 3) {
            String redirUrlText = conn.getHeaderField("Location");
            if (redirUrlText != null && !redirUrlText.isEmpty()) {
                URL redirectUrl = null;
                try {
                    redirectUrl = new URL(redirUrlText);
                } catch (MalformedURLException ex) {
                    throw new DownloadException("Invalid Redirect URL: " + url, ex);
                }

                conn = Utils.openHttpConnection(redirectUrl);
                response = conn.getResponseCode();
                responseFamily = response / 100;
            }
        }

        if (responseFamily != 2) {
            throw new DownloadException("The server issued a " + response + " response code.");
        }

        InputStream in = getConnectionInputStream(conn);

        size = conn.getContentLength();
        outFile = new File(outPath);
        outFile.delete();

        rbc = Channels.newChannel(in);
        fos = new FileOutputStream(outFile);

        stateChanged();

        Thread progress = new MonitorThread(Thread.currentThread(), rbc);
        progress.start();

        fos.getChannel().transferFrom(rbc, 0, size > 0 ? size : Integer.MAX_VALUE);
        in.close();
        rbc.close();
        progress.interrupt();

        synchronized (timeoutLock) {
            if (isTimedOut) {
                return;
            }
        }

        if (size > 0) {
            if (size == outFile.length()) {
                result = Result.SUCCESS;
            }
        } else {
            result = Result.SUCCESS;
        }
    } catch (ClosedByInterruptException ex) {
        result = Result.FAILURE;
        return;
    } catch (PermissionDeniedException e) {
        exception = e;
        result = Result.PERMISSION_DENIED;
    } catch (DownloadException e) {
        exception = e;
        result = Result.FAILURE;
    } catch (Exception e) {
        exception = e;
        e.printStackTrace();
    } finally {
        IOUtils.closeQuietly(fos);
        IOUtils.closeQuietly(rbc);
    }
}

---

From source file:org.apache.olingo.fit.tecsvc.http.SelectOnComplexPropertiesITCase.java

@Test
public void queryESKeyColPropertyComp2() throws Exception {
    URL url = new URL(SERVICE_URI + "ESKeyNav(1)/CollPropertyComp" + "?$select=PropertyInt16");
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod(HttpMethod.GET.name());
    connection.setRequestProperty(HttpHeader.ACCEPT, "application/json;odata.metadata=minimal");
    connection.connect();//w  w  w . jav  a  2 s  .c o  m

    assertEquals(HttpStatusCode.OK.getStatusCode(), connection.getResponseCode());
    assertEquals(ContentType.JSON, ContentType.create(connection.getHeaderField(HttpHeader.CONTENT_TYPE)));

    final String content = IOUtils.toString(connection.getInputStream());
    assertTrue(
            content.contains("\"value\":[{\"PropertyInt16\":1},{\"PropertyInt16\":2},{\"PropertyInt16\":3}]"));
}

---

From source file:org.apache.olingo.fit.tecsvc.http.BasicHttpITCase.java

@Test
public void testAccept() throws Exception {
    URL url = new URL(SERVICE_URI);

    HttpURLConnection connection = (HttpURLConnection) url.openConnection();

    connection.setRequestMethod(HttpMethod.GET.name());
    connection.setRequestProperty(HttpHeader.ACCEPT, "application/json;q=0.2;odata.metadata=minimal");

    connection.connect();//  w  ww . ja va2s.  co m

    assertEquals(HttpStatusCode.OK.getStatusCode(), connection.getResponseCode());
    assertEquals(ContentType.JSON, ContentType.create(connection.getHeaderField(HttpHeader.CONTENT_TYPE)));
}

---

From source file:org.apache.olingo.fit.tecsvc.http.SelectOnComplexPropertiesITCase.java

@Test
public void queryESKeyPropertyCompCompNav() throws Exception {
    URL url = new URL(
            SERVICE_URI + "ESKeyNav(1)/PropertyCompCompNav" + "?$select=PropertyCompNav/PropertyInt16");
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod(HttpMethod.GET.name());
    connection.setRequestProperty(HttpHeader.ACCEPT, "application/json;odata.metadata=minimal");
    connection.connect();//from   w  ww .  j  a  va  2 s.  com

    assertEquals(HttpStatusCode.OK.getStatusCode(), connection.getResponseCode());
    assertEquals(ContentType.JSON, ContentType.create(connection.getHeaderField(HttpHeader.CONTENT_TYPE)));

    final String content = IOUtils.toString(connection.getInputStream());
    assertTrue(content.contains("\"PropertyCompNav\":{\"PropertyInt16\":1}"));
    connection.disconnect();
}

---

From source file:org.apache.olingo.fit.tecsvc.http.SelectOnComplexPropertiesITCase.java

@Test
public void queryESKeyColPropertyComp1() throws Exception {
    URL url = new URL(SERVICE_URI + "ESKeyNav(1)/CollPropertyComp" + "?$select=PropertyComp/PropertyString");
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod(HttpMethod.GET.name());
    connection.setRequestProperty(HttpHeader.ACCEPT, "application/json;odata.metadata=minimal");
    connection.connect();/*  w  w  w.  j av  a2s . c o  m*/

    assertEquals(HttpStatusCode.OK.getStatusCode(), connection.getResponseCode());
    assertEquals(ContentType.JSON, ContentType.create(connection.getHeaderField(HttpHeader.CONTENT_TYPE)));

    final String content = IOUtils.toString(connection.getInputStream());
    assertTrue(content.contains(
            "\"value\":[{\"PropertyComp\":" + "{\"PropertyString\":\"First Resource - positive values\"}},"
                    + "{\"PropertyComp\":{\"PropertyString\":\"First Resource - positive values\"}},"
                    + "{\"PropertyComp\":{\"PropertyString\":\"First Resource - positive values\"}}]"));
}

---

From source file:org.apache.olingo.fit.tecsvc.http.BasicHttpITCase.java

@Test
public void testODataMaxVersion() throws Exception {
    URL url = new URL(SERVICE_URI);

    HttpURLConnection connection = (HttpURLConnection) url.openConnection();

    connection.setRequestMethod(HttpMethod.GET.name());
    connection.setRequestProperty(HttpHeader.ODATA_MAX_VERSION, "4.0");
    connection.setRequestProperty(HttpHeader.ACCEPT, "*/*");

    connection.connect();/*from w  w w. jav  a  2 s . c  om*/

    assertEquals(HttpStatusCode.OK.getStatusCode(), connection.getResponseCode());
    assertEquals("4.0", connection.getHeaderField(HttpHeader.ODATA_VERSION));
}

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From source file:org.apache.hadoop.mapreduce.v2.app.webapp.TestAMWebApp.java

@Test
public void testMRWebAppRedirection() throws Exception {

    String[] schemePrefix = { WebAppUtils.HTTP_PREFIX, WebAppUtils.HTTPS_PREFIX };
    for (String scheme : schemePrefix) {
        MRApp app = new MRApp(2, 2, true, this.getClass().getName(), true) {
            @Override//from ww w  .j a v  a  2s.c  om
            protected ClientService createClientService(AppContext context) {
                return new MRClientService(context);
            }
        };
        Configuration conf = new Configuration();
        conf.set(YarnConfiguration.PROXY_ADDRESS, "9.9.9.9");
        conf.set(YarnConfiguration.YARN_HTTP_POLICY_KEY,
                scheme.equals(WebAppUtils.HTTPS_PREFIX) ? Policy.HTTPS_ONLY.name() : Policy.HTTP_ONLY.name());
        webProxyBase = "/proxy/" + app.getAppID();
        conf.set("hadoop.http.filter.initializers", TestAMFilterInitializer.class.getName());
        Job job = app.submit(conf);
        String hostPort = NetUtils
                .getHostPortString(((MRClientService) app.getClientService()).getWebApp().getListenerAddress());
        URL httpUrl = new URL("http://" + hostPort + "/mapreduce");

        HttpURLConnection conn = (HttpURLConnection) httpUrl.openConnection();
        conn.setInstanceFollowRedirects(false);
        conn.connect();
        String expectedURL = scheme + conf.get(YarnConfiguration.PROXY_ADDRESS)
                + ProxyUriUtils.getPath(app.getAppID(), "/mapreduce");
        Assert.assertEquals(expectedURL, conn.getHeaderField(HttpHeaders.LOCATION));
        Assert.assertEquals(HttpStatus.SC_MOVED_TEMPORARILY, conn.getResponseCode());
        app.waitForState(job, JobState.SUCCEEDED);
        app.verifyCompleted();
    }
}

---

From source file:io.sloeber.core.managers.Manager.java

/**
 * copy a url locally taking into account redirections
 *
 * @param url/*www. j  a v  a2 s. com*/
 * @param localFile
 */
@SuppressWarnings("nls")
private static void myCopy(URL url, File localFile) {
    try {
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setReadTimeout(5000);
        conn.addRequestProperty("Accept-Language", "en-US,en;q=0.8");
        conn.addRequestProperty("User-Agent", "Mozilla");
        conn.addRequestProperty("Referer", "google.com");

        // normally, 3xx is redirect
        int status = conn.getResponseCode();

        if (status != HttpURLConnection.HTTP_OK) {
            if (status == HttpURLConnection.HTTP_MOVED_TEMP || status == HttpURLConnection.HTTP_MOVED_PERM
                    || status == HttpURLConnection.HTTP_SEE_OTHER)

                Files.copy(new URL(conn.getHeaderField("Location")).openStream(), localFile.toPath(),
                        REPLACE_EXISTING);
        } else {
            Files.copy(url.openStream(), localFile.toPath(), REPLACE_EXISTING);
        }

    } catch (Exception e) {
        Common.log(new Status(IStatus.WARNING, Activator.getId(), "Failed to download url " + url, e));
    }
}

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