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.wso2.msf4j.internal.router.HttpServerTest.java

@Test
public void testGzipCompressionWithGzipAccept() throws Exception {
    HttpURLConnection urlConn = request("/test/v1/gzipfile", HttpMethod.GET);
    urlConn.addRequestProperty(HttpHeaders.Names.ACCEPT_ENCODING, "gzip");
    Assert.assertEquals(HttpResponseStatus.OK.code(), urlConn.getResponseCode());
    String contentEncoding = urlConn.getHeaderField(HttpHeaders.Names.CONTENT_ENCODING);
    Assert.assertTrue("gzip".equalsIgnoreCase(contentEncoding));
    InputStream downStream = urlConn.getInputStream();
    Assert.assertTrue(IOUtils.toByteArray(downStream).length < IOUtils
            .toByteArray(Resources.getResource("testJpgFile.jpg").openStream()).length);
}

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From source file:io.apiman.manager.ui.server.servlets.ApiManagerProxyServlet.java

/**
 * @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
 *///from   w w w .  j a  v  a 2 s  .co  m
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    StringBuilder url = new StringBuilder();

    String endpoint = getConfig().getManagementApiEndpoint();
    if (endpoint == null) {
        endpoint = getDefaultEndpoint(req);
    }

    url.append(endpoint);
    if (!url.toString().endsWith("/")) { //$NON-NLS-1$
        url.append('/');
    }
    String pathInfo = req.getPathInfo();
    if (pathInfo != null && pathInfo.startsWith("/")) { //$NON-NLS-1$
        url.append(pathInfo.substring(1));
    } else {
        url.append(pathInfo);
    }

    String authHeaderValue = null;
    ApiAuthType authType = getConfig().getManagementApiAuthType();
    switch (authType) {
    case basic: {
        String username = getConfig().getManagementApiAuthUsername();
        String password = getConfig().getManagementApiAuthPassword();
        String encoded = base64Encode(username + ":" + password); //$NON-NLS-1$
        authHeaderValue = "Basic " + encoded; //$NON-NLS-1$
        break;
    }
    case authToken: {
        ITokenGenerator tokenGenerator = getTokenGenerator();
        BearerTokenCredentialsBean creds = tokenGenerator.generateToken(req);
        String token = creds.getToken();
        authHeaderValue = "AUTH-TOKEN " + token; //$NON-NLS-1$
        break;
    }
    case bearerToken: {
        ITokenGenerator tokenGenerator = getTokenGenerator();
        BearerTokenCredentialsBean creds = tokenGenerator.generateToken(req);
        String token = creds.getToken();
        authHeaderValue = "Bearer " + token; //$NON-NLS-1$
        break;
    }
    case samlBearerToken: {
        ITokenGenerator tokenGenerator = getTokenGenerator();
        BearerTokenCredentialsBean creds = tokenGenerator.generateToken(req);
        String token = creds.getToken();
        // TODO base64 decode the token, then re-encode it with "SAML-BEARER-TOKEN:"
        authHeaderValue = "Basic SAML-BEARER-TOKEN:" + token; //$NON-NLS-1$
        break;
    }
    }

    URL remoteUrl = new URL(url.toString());
    HttpURLConnection remoteConn = (HttpURLConnection) remoteUrl.openConnection();
    InputStream remoteIS = null;
    OutputStream responseOS = null;
    try {
        if (authHeaderValue != null) {
            remoteConn.setRequestProperty("Authorization", authHeaderValue); //$NON-NLS-1$
        }
        remoteConn.connect();
        Map<String, List<String>> headerFields = remoteConn.getHeaderFields();
        for (String headerName : headerFields.keySet()) {
            if (headerName == null) {
                continue;
            }
            if (EXCLUDE_HEADERS.contains(headerName)) {
                continue;
            }
            String headerValue = remoteConn.getHeaderField(headerName);
            resp.setHeader(headerName, headerValue);
            if (url.toString().contains("apiregistry")) { //$NON-NLS-1$
                String type = "json"; //$NON-NLS-1$
                if (url.toString().endsWith("xml")) { //$NON-NLS-1$
                    type = "xml"; //$NON-NLS-1$
                }
                resp.setHeader("Content-Disposition", "attachment; filename=api-registry." + type); //$NON-NLS-1$ //$NON-NLS-2$
            }
        }
        resp.setHeader("Cache-control", "no-cache, no-store, must-revalidate"); //$NON-NLS-1$ //$NON-NLS-2$
        remoteIS = remoteConn.getInputStream();
        responseOS = resp.getOutputStream();
        IOUtils.copy(remoteIS, responseOS);
        resp.flushBuffer();
    } catch (Exception e) {
        resp.sendError(500, e.getMessage());
    } finally {
        IOUtils.closeQuietly(responseOS);
        IOUtils.closeQuietly(remoteIS);
    }
}

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From source file:org.apache.tez.runtime.library.shuffle.common.Fetcher.java

private void validateConnectionResponse(HttpURLConnection connection, URL url, String msgToEncode,
        String encHash) throws IOException {
    int rc = connection.getResponseCode();
    if (rc != HttpURLConnection.HTTP_OK) {
        throw new IOException(
                "Got invalid response code " + rc + " from " + url + ": " + connection.getResponseMessage());
    }//from   w w  w .  j  av a 2 s .  c om

    if (!ShuffleHeader.DEFAULT_HTTP_HEADER_NAME
            .equals(connection.getHeaderField(ShuffleHeader.HTTP_HEADER_NAME))
            || !ShuffleHeader.DEFAULT_HTTP_HEADER_VERSION
                    .equals(connection.getHeaderField(ShuffleHeader.HTTP_HEADER_VERSION))) {
        throw new IOException("Incompatible shuffle response version");
    }

    // get the replyHash which is HMac of the encHash we sent to the server
    String replyHash = connection.getHeaderField(SecureShuffleUtils.HTTP_HEADER_REPLY_URL_HASH);
    if (replyHash == null) {
        throw new IOException("security validation of TT Map output failed");
    }
    if (LOG.isDebugEnabled()) {
        LOG.debug("url=" + msgToEncode + ";encHash=" + encHash + ";replyHash=" + replyHash);
    }
    // verify that replyHash is HMac of encHash
    SecureShuffleUtils.verifyReply(replyHash, encHash, shuffleSecret);
    LOG.info("for url=" + msgToEncode + " sent hash and receievd reply");
}

---

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

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

    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod(HttpMethod.GET.name());
    connection.setRequestProperty(HttpHeader.ACCEPT_CHARSET, "utf8;q=0.1");
    connection.setRequestProperty(HttpHeader.ACCEPT, "application/json;charset=iso8859-1");
    connection.connect();/*from ww  w.ja  va 2  s. c  o m*/

    assertEquals(HttpStatusCode.OK.getStatusCode(), connection.getResponseCode());
    assertNotNull(connection.getHeaderField(HttpHeader.CONTENT_TYPE));
    ContentType contentType = ContentType.parse(connection.getHeaderField(HttpHeader.CONTENT_TYPE));
    assertEquals("application", contentType.getType());
    assertEquals("json", contentType.getSubtype());
    assertEquals(3, contentType.getParameters().size());
    assertEquals("0.1", contentType.getParameter("q"));
    assertEquals("minimal", contentType.getParameter("odata.metadata"));
    assertEquals("utf8", contentType.getParameter("charset"));

    final String content = IOUtils.toString(connection.getInputStream());
    assertNotNull(content);
}

---

From source file:com.boxupp.utilities.PuppetUtilities.java

public StatusBean downloadModule(JsonNode moduleData) {
    Gson searchModuleData = new GsonBuilder().setDateFormat("yyyy'-'MM'-'dd HH':'mm':'ss").create();
    SearchModuleBean searchModuleBean = searchModuleData.fromJson(moduleData.toString(),
            SearchModuleBean.class);
    String fileURL = CommonProperties.getInstance().getPuppetForgeDownloadAPIPath()
            + searchModuleBean.getCurrent_release().getFile_uri();
    StatusBean statusBean = new StatusBean();
    URL url = null;/*from   w  w w.ja  va 2  s.c  om*/
    int responseCode = 0;
    HttpURLConnection httpConn = null;
    String fileSeparator = OSProperties.getInstance().getOSFileSeparator();
    String moduleDirPath = constructModuleDirectory() + fileSeparator;
    checkIfDirExists(new File(constructManifestsDirectory()));
    checkIfDirExists(new File(moduleDirPath));
    try {
        url = new URL(fileURL);
        httpConn = (HttpURLConnection) url.openConnection();
        responseCode = httpConn.getResponseCode();

        // always check HTTP response code first
        if (responseCode == HttpURLConnection.HTTP_OK) {
            String fileName = "";
            String disposition = httpConn.getHeaderField("Content-Disposition");
            String contentType = httpConn.getContentType();
            int contentLength = httpConn.getContentLength();

            if (disposition != null) {
                int index = disposition.indexOf("filename=");
                if (index > 0) {
                    fileName = disposition.substring(index + 9, disposition.length());
                }
            } else {
                fileName = fileURL.substring(fileURL.lastIndexOf("/") + 1, fileURL.length());
            }
            InputStream inputStream = httpConn.getInputStream();
            String saveFilePath = moduleDirPath + fileName;
            FileOutputStream outputStream = new FileOutputStream(saveFilePath);

            int bytesRead = -1;
            byte[] buffer = new byte[4096];
            while ((bytesRead = inputStream.read(buffer)) != -1) {
                outputStream.write(buffer, 0, bytesRead);
            }
            outputStream.close();
            inputStream.close();
            extrectFile(saveFilePath, moduleDirPath, searchModuleBean.getModuleName());
            File file = new File(saveFilePath);
            file.delete();

        } else {
            logger.error("No file to download. Server replied HTTP code: " + responseCode);
        }
        httpConn.disconnect();
        statusBean.setStatusCode(0);
        statusBean.setStatusMessage(" Module Downloaded successfully ");
    } catch (IOException e) {
        logger.error("Error in loading module :" + e.getMessage());
        statusBean.setStatusCode(1);
        statusBean.setStatusMessage("Error in loading module :" + e.getMessage());
    }
    statusBean = PuppetModuleDAOManager.getInstance().create(moduleData);
    return statusBean;
}

---

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

@Test
public void multipleValuesInAcceptCharsetHeader1() throws Exception {
    URL url = new URL(SERVICE_URI + "ESAllPrim");

    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod(HttpMethod.GET.name());
    connection.setRequestProperty(HttpHeader.ACCEPT_CHARSET, "utf-8;q=0.1,iso-8859-1,unicode-1-1");
    connection.setRequestProperty(HttpHeader.ACCEPT, "application/json");
    connection.connect();//w  w  w  .j  ava  2 s .  co  m

    assertEquals(HttpStatusCode.OK.getStatusCode(), connection.getResponseCode());
    assertNotNull(connection.getHeaderField(HttpHeader.CONTENT_TYPE));
    ContentType contentType = ContentType.parse(connection.getHeaderField(HttpHeader.CONTENT_TYPE));
    assertEquals("application", contentType.getType());
    assertEquals("json", contentType.getSubtype());
    assertEquals(3, contentType.getParameters().size());
    assertEquals("minimal", contentType.getParameter("odata.metadata"));
    assertEquals("utf-8", contentType.getParameter("charset"));
    assertEquals("0.1", contentType.getParameter("q"));

    final String content = IOUtils.toString(connection.getInputStream());
    assertNotNull(content);
}

---

From source file:tree.love.providers.downloads.DownloadThread.java

/**
 * Read headers from the HTTP response and store them into local state.
 *//*from   w  w w  .  j  a  v  a  2 s  . co  m*/
private void readResponseHeaders(State state, HttpURLConnection conn) throws StopRequestException {
    state.mContentDisposition = conn.getHeaderField("Content-Disposition");
    state.mContentLocation = conn.getHeaderField("Content-Location");

    if (state.mMimeType == null) {
        state.mMimeType = normalizeMimeType(conn.getContentType());
    }

    state.mHeaderETag = conn.getHeaderField("ETag");

    final String transferEncoding = conn.getHeaderField("Transfer-Encoding");
    if (transferEncoding == null) {
        state.mContentLength = getHeaderFieldLong(conn, "Content-Length", -1);
    } else {
        Log.i(TAG, "Ignoring Content-Length since Transfer-Encoding is also defined");
        state.mContentLength = -1;
    }

    state.mTotalBytes = state.mContentLength;
    mInfo.mTotalBytes = state.mContentLength;

    final boolean noSizeInfo = state.mContentLength == -1
            && (transferEncoding == null || !transferEncoding.equalsIgnoreCase("chunked"));
    if (!mInfo.mNoIntegrity && noSizeInfo) {
        throw new StopRequestException(STATUS_CANNOT_RESUME, "can't know size of download, giving up");
    }
}

---

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

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

    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod(HttpMethod.GET.name());
    connection.setRequestProperty(HttpHeader.ACCEPT_CHARSET, "utf-8;q=0.1");
    connection.setRequestProperty(HttpHeader.ACCEPT, ContentType.APPLICATION_JSON.toContentTypeString());
    connection.connect();//from   w  ww. ja  v a  2  s. c  om

    assertEquals(HttpStatusCode.OK.getStatusCode(), connection.getResponseCode());
    assertNotNull(connection.getHeaderField(HttpHeader.CONTENT_TYPE));
    ContentType contentType = ContentType.parse(connection.getHeaderField(HttpHeader.CONTENT_TYPE));
    assertEquals("application", contentType.getType());
    assertEquals("json", contentType.getSubtype());
    assertEquals(3, contentType.getParameters().size());
    assertEquals("0.1", contentType.getParameter("q"));
    assertEquals("minimal", contentType.getParameter("odata.metadata"));
    assertEquals("utf-8", contentType.getParameter("charset"));

    final String content = IOUtils.toString(connection.getInputStream());
    assertNotNull(content);
}

---

From source file:org.callimachusproject.test.WebResource.java

public WebResource create(Map<String, String> headers, String type, byte[] body) throws IOException {
    HttpURLConnection con = (HttpURLConnection) new URL(uri).openConnection();
    con.setRequestMethod("POST");
    for (Map.Entry<String, String> e : headers.entrySet()) {
        con.setRequestProperty(e.getKey(), e.getValue());
    }//from  w w  w.  ja  v  a 2  s  .  co  m
    con.setRequestProperty("Content-Type", type);
    con.setDoOutput(true);
    OutputStream out = con.getOutputStream();
    try {
        out.write(body);
    } finally {
        out.close();
    }
    Assert.assertEquals(con.getResponseMessage(), 201, con.getResponseCode());
    String header = con.getHeaderField("Location");
    Assert.assertNotNull(header);
    return ref(header);
}

---

From source file:org.appcelerator.titanium.util.TiUIHelper.java

/**
 * To get the redirected Uri/*from w  ww  .j a v a 2  s. com*/
 * @param Uri
 */
public static Uri getRedirectUri(Uri mUri) throws MalformedURLException, IOException {
    if (!TiC.HONEYCOMB_OR_GREATER && ("http".equals(mUri.getScheme()) || "https".equals(mUri.getScheme()))) {
        // Media player doesn't handle redirects, try to follow them
        // here. (Redirects work fine without this in ICS.)
        while (true) {
            // java.net.URL doesn't handle rtsp
            if (mUri.getScheme() != null && mUri.getScheme().equals("rtsp"))
                break;

            URL url = new URL(mUri.toString());
            HttpURLConnection cn = (HttpURLConnection) url.openConnection();
            cn.setInstanceFollowRedirects(false);
            String location = cn.getHeaderField("Location");
            if (location != null) {
                String host = mUri.getHost();
                int port = mUri.getPort();
                String scheme = mUri.getScheme();
                mUri = Uri.parse(location);
                if (mUri.getScheme() == null) {
                    // Absolute URL on existing host/port/scheme
                    if (scheme == null) {
                        scheme = "http";
                    }
                    String authority = port == -1 ? host : host + ":" + port;
                    mUri = mUri.buildUpon().scheme(scheme).encodedAuthority(authority).build();
                }
            } else {
                break;
            }
        }
    }
    return mUri;
}

---

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