Example usage for java.net HttpURLConnection getHeaderFields

Introduction

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

Prototype

public Map<String, List<String>> getHeaderFields() 

Source Link

Document

Returns an unmodifiable Map of the header fields.

Usage

From source file:export.FormCrawler.java

protected void getCookies(HttpURLConnection conn) {
    List<String> connCookies = conn.getHeaderFields().get("Set-Cookie");
    /**/*from w  w w .  j  a  va2s.com*/
     * work-around for weird android 2.2 bug ref
     * http://stackoverflow.com/questions
     * /9134657/nullpointer-exception-with-
     * cookie-on-android-2-2-works-fine-on-2-3-and-above
     */
    if (connCookies == null)
        connCookies = conn.getHeaderFields().get("set-cookie");

    if (connCookies != null) {
        cookies.addAll(connCookies);
    }
}

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From source file:com.playhaven.android.req.UrlRequest.java

@Override
public String call() throws MalformedURLException, IOException, PlayHavenException {
    HttpURLConnection connection = (HttpURLConnection) new URL(mInitialUrl).openConnection();
    connection.setInstanceFollowRedirects(true);
    connection.setRequestProperty(CoreProtocolPNames.USER_AGENT, UserAgent.USER_AGENT);
    connection.getContent(); // .getHeaderFields() will return null if headers not accessed once before 

    if (connection.getHeaderFields().containsKey(LOCATION_HEADER)) {
        return connection.getHeaderField(LOCATION_HEADER);
    } else {/*from  w ww.  ja  va2  s  .  c o  m*/
        throw new PlayHavenException();
    }
}

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From source file:Fetcher.Fetcher.java

/**
 * This method will extract cookies from {@code connection}
 * ({@link HttpURLConnection}).// ww  w .  java 2 s. co  m
 *
 * @param connection The instance of {@link HttpsURLConnection} which is
 * connected and contains cookie field.
 */
private void getCookies(HttpURLConnection connection) {
    Map<String, List<String>> headerFields = connection.getHeaderFields();
    List<String> cookiesHeader = headerFields.get("Set-Cookie");

    if (cookiesHeader != null) {
        for (String cookie : cookiesHeader) {
            cookies.getCookieStore().add(null, HttpCookie.parse(cookie).get(0));
        }
    }
}

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From source file:at.mukprojects.giphy4j.dao.HttpRequestSender.java

private Response send(HttpURLConnection connection) throws IOException {
    connection.connect();// www.j a va  2 s .c  o m

    if (connection.getResponseCode() != 200) {
        throw new IOException("Bad response! Code: " + connection.getResponseCode());
    }

    Map<String, String> headers = new HashMap<String, String>();
    for (String key : connection.getHeaderFields().keySet()) {
        headers.put(key, connection.getHeaderFields().get(key).get(0));
    }

    String body = null;
    InputStream inputStream = null;

    try {
        inputStream = connection.getInputStream();

        String encoding = connection.getContentEncoding();
        encoding = encoding == null ? Giphy4JConstants.ENCODING : encoding;

        body = IOUtils.toString(inputStream, encoding);
    } catch (IOException e) {
        throw new IOException(e);
    } finally {
        if (inputStream != null) {
            inputStream.close();
        }
    }

    if (body == null) {
        throw new IOException("Unparseable response body! \n {" + body + "}");
    }

    Response response = new Response(headers, body);

    return response;
}

---

From source file:org.apache.hadoop.hdfs.ByteRangeInputStream.java

@VisibleForTesting
protected InputStream openInputStream() throws IOException {
    // Use the original url if no resolved url exists, eg. if
    // it's the first time a request is made.
    final boolean resolved = resolvedURL.getURL() != null;
    final URLOpener opener = resolved ? resolvedURL : originalURL;

    final HttpURLConnection connection = opener.connect(startPos, resolved);
    resolvedURL.setURL(getResolvedUrl(connection));

    InputStream in = connection.getInputStream();
    final Map<String, List<String>> headers = connection.getHeaderFields();
    if (isChunkedTransferEncoding(headers)) {
        // file length is not known
        fileLength = null;/*from   ww w .ja  v  a 2s. c  om*/
    } else {
        // for non-chunked transfer-encoding, get content-length
        final String cl = connection.getHeaderField(HttpHeaders.CONTENT_LENGTH);
        if (cl == null) {
            throw new IOException(HttpHeaders.CONTENT_LENGTH + " is missing: " + headers);
        }
        final long streamlength = Long.parseLong(cl);
        fileLength = startPos + streamlength;

        // Java has a bug with >2GB request streams.  It won't bounds check
        // the reads so the transfer blocks until the server times out
        in = new BoundedInputStream(in, streamlength);
    }

    return in;
}

---

From source file:org.apache.hadoop.yarn.server.webproxy.TestWebAppProxyServlet.java

private boolean isResponseCookiePresent(HttpURLConnection proxyConn, String expectedName,
        String expectedValue) {/* ww w  .ja  v a2 s .co m*/
    Map<String, List<String>> headerFields = proxyConn.getHeaderFields();
    List<String> cookiesHeader = headerFields.get("Set-Cookie");
    if (cookiesHeader != null) {
        for (String cookie : cookiesHeader) {
            HttpCookie c = HttpCookie.parse(cookie).get(0);
            if (c.getName().equals(expectedName) && c.getValue().equals(expectedValue)) {
                return true;
            }
        }
    }
    return false;
}

---

From source file:com.shopgun.android.sdk.network.impl.HttpURLNetwork.java

private HttpResponse getHttpResponse(HttpURLConnection connection) throws IOException {

    ProtocolVersion pv = new ProtocolVersion("HTTP", 1, 1);
    String rm = connection.getResponseMessage();
    HttpResponse response = new BasicHttpResponse(pv, connection.getResponseCode(), rm);

    for (Entry<String, List<String>> header : connection.getHeaderFields().entrySet()) {
        if (header.getKey() != null) {
            Header h = new BasicHeader(header.getKey(), header.getValue().get(0));
            response.addHeader(h);//from   w  w w .ja va 2  s  . c  o m
        }
    }

    return response;
}

---

From source file:org.okj.im.core.service.QQHttpService.java

/**
 * ??httpclient?/*from w w w  .j a v a 2s. c o  m*/
 * @param url
 * @param method
 * @param exParam
 * @return
 */
public String sendHttpMessage(String url, String method, ExParam exParam) {
    if (exParam == null) {
        exParam = new ExParam();
    }
    HttpURLConnection conn = null;
    do {
        conn = connect(url, method, exParam); //
    } while (!checkResponseCode(conn));

    //?cookies
    if (conn.getHeaderFields().get("Set-Cookie") != null) {
        StringBuffer cookies = new StringBuffer();
        for (String s : conn.getHeaderFields().get("Set-Cookie")) {
            cookies.append(s);
        }
        exParam.setCookie(cookies.toString());
    }

    if (StringUtils.equalsIgnoreCase("gzip", conn.getHeaderField("Content-Encoding"))) {
        return getGzipResponseString(conn);
    }
    return getResponseString(conn);
}

---

From source file:org.apache.hadoop.hdfs.web.ByteRangeInputStream.java

@VisibleForTesting
protected InputStream openInputStream() throws IOException {
    // Use the original url if no resolved url exists, eg. if
    // it's the first time a request is made.
    final boolean resolved = resolvedURL.getURL() != null;
    final URLOpener opener = resolved ? resolvedURL : originalURL;

    final HttpURLConnection connection = opener.connect(startPos, resolved);
    resolvedURL.setURL(getResolvedUrl(connection));

    InputStream in = connection.getInputStream();
    final Map<String, List<String>> headers = connection.getHeaderFields();
    if (isChunkedTransferEncoding(headers)) {
        // file length is not known
        fileLength = null;/*from  w  ww.j a  va 2s  .  c  o  m*/
    } else {
        // for non-chunked transfer-encoding, get content-length
        long streamlength = getStreamLength(connection, headers);
        fileLength = startPos + streamlength;

        // Java has a bug with >2GB request streams.  It won't bounds check
        // the reads so the transfer blocks until the server times out
        in = new BoundedInputStream(in, streamlength);
    }

    return in;
}

---

From source file:com.amgems.uwschedule.api.uw.LoginAuthenticator.java

/**
 * Collects all cookies from a given response source into a list of NameValuePairs.
 *///from ww  w.  ja v  a2 s  .c  o m
private List<String> getAuthCookies(HttpURLConnection connection, BufferedWriter writer,
        List<? extends NameValuePair> postParams) throws IOException {
    writer.write(NetUtils.toQueryString(postParams));
    writer.flush();
    return connection.getHeaderFields().get("Set-Cookie");
}

---

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