Example usage for javax.servlet.http HttpServletRequest getHeaderNames

List of usage examples for javax.servlet.http HttpServletRequest getHeaderNames

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  4. javax.servlet.http.*
  5. HttpServletRequest
  6. getHeaderNames

Introduction

In this page you can find the example usage for javax.servlet.http HttpServletRequest getHeaderNames.

Prototype

public Enumeration<String> getHeaderNames();

Source Link

Document

Returns an enumeration of all the header names this request contains.

Usage

From source file:com.liusoft.dlog4j.util.RequestUtils.java

/**
 * ?header????/*from w w  w.  j a v a2  s .  co m*/
 * @param req
 * @param name
 * @return
 */
public static String getHeader(HttpServletRequest req, String name) {
    String value = req.getHeader(name);
    if (value != null)
        return value;
    Enumeration names = req.getHeaderNames();
    while (names.hasMoreElements()) {
        String n = (String) names.nextElement();
        if (n.equalsIgnoreCase(name)) {
            return req.getHeader(n);
        }
    }
    return null;
}

From source file:com.itude.mobile.mobbl.server.util.HeaderUtil.java

public static void printRequestHeaders(Logger logger, HttpServletRequest request) {
    if (request == null)
        throw new IllegalArgumentException("Request can't be null");
    if (logger == null)
        throw new IllegalArgumentException("Logger can't be null");

    logger.debug("List of request parameters:");

    @SuppressWarnings("unchecked")
    Enumeration<String> requestHeaders = request.getHeaderNames();
    if (requestHeaders != null) {
        while (requestHeaders.hasMoreElements()) {
            String header = requestHeaders.nextElement();

            @SuppressWarnings("unchecked")
            Enumeration<String> headers = request.getHeaders(header);
            if (headers != null) {
                while (headers.hasMoreElements())
                    logger.debug(header + ":" + headers.nextElement());
            }//  w ww.  j a  v a 2s . c  om
        }
    }
}

From source file:org.dataone.annotator.store.AnnotatorRestServlet.java

private static void debugHeaders(HttpServletRequest request) {
    Enumeration<String> headers = request.getHeaderNames();
    while (headers.hasMoreElements()) {
        String name = (String) headers.nextElement();
        String value = request.getHeader(name);
        log.debug("Header: " + name + "=" + value);
        //System.out.println("Header: " + name + "=" + value);

    }//from   w  w w.j av a 2  s  .  c o  m
}

From source file:com.tek271.reverseProxy.servlet.ProxyFilter.java

@SuppressWarnings({ "unchecked" })
private static void addCustomHeaders(HttpServletRequest original, HttpEntityEnclosingRequest request,
        String... skipElements) {
    Enumeration<String> en = original.getHeaderNames();
    while (en.hasMoreElements()) {
        String name = en.nextElement();
        if (contains(skipElements, name)) {
            continue;
        } else if ("X-HTTP-Method-Override".equals(name)) {
            request.setHeader(name, original.getHeader(name));
        } else if ("X-Source".equals(name)) {
            request.setHeader(name, original.getHeader(name));
        } else if ("preferred-role".equals(name)) {
            request.setHeader(name, original.getHeader(name));
        } else if ("X-File-Name".equals(name)) {
            request.setHeader(name, original.getHeader(name));
        } else if ("X-Requested-With".equals(name)) {
            request.setHeader(name, original.getHeader(name));
        } else if ("X-Requested-By".equals(name)) {
            request.setHeader(name, original.getHeader(name));
        } else if ("Content-type".equalsIgnoreCase(name)) {
            request.setHeader(name, original.getHeader(name));
        }//from   w ww  .j  a va 2 s . c  om

    }
}

From source file:com.threewks.thundr.request.servlet.ServletSupport.java

public static Map<String, List<String>> getHeaderMap(HttpServletRequest req) {
    Map<String, List<String>> headerMap = new LinkedHashMap<String, List<String>>();
    Iterable<String> iterable = Expressive.<String>iterable(req.getHeaderNames());
    for (String name : iterable) {
        headerMap.put(name, getHeaders(name, req));
    }//from  ww w  . jav a  2s  .c  om
    return headerMap;
}

From source file:com.mirth.connect.connectors.http.HttpMessageConverter.java

public static Map<String, List<String>> convertFieldEnumerationToMap(HttpServletRequest request) {
    Map<String, List<String>> headers = new HashMap<String, List<String>>();

    for (Enumeration<String> enumeration = request.getHeaderNames(); enumeration.hasMoreElements();) {
        String name = enumeration.nextElement();
        Enumeration headerNames = request.getHeaders(name);

        while (headerNames.hasMoreElements()) {
            List<String> list = headers.get(name);

            if (list == null) {
                list = new ArrayList<String>();
                headers.put(name, list);
            }/*  w  w w .  ja  va  2 s  .c  o m*/

            list.add((String) headerNames.nextElement());
        }
    }

    return headers;
}

From source file:jeeves.server.sources.ServiceRequestFactory.java

/**
 * Build up a map of the HTTP headers./*ww w  .ja v  a2 s  .co  m*/
 * @param req The web request
 * @return Map of header keys and values.
 */
@SuppressWarnings("unchecked")
private static Map<String, String> extractHeaders(HttpServletRequest req) {
    Map<String, String> headerMap = new HashMap<String, String>();
    for (Enumeration<String> e = req.getHeaderNames(); e.hasMoreElements();) {
        String key = e.nextElement();
        headerMap.put(key, req.getHeader(key));
    }
    // The remote user needs to be saved as a header also
    if (req.getRemoteUser() != null) {
        headerMap.put("REMOTE_USER", req.getRemoteUser());
    }
    return headerMap;
}

From source file:com.groupon.odo.HttpUtilities.java

/**
 * Obtain newline-delimited headers from request
 *
 * @param request/*from  w w  w  .  ja  v a  2s.co m*/
 * @return
 */
public static String getHeaders(HttpServletRequest request) {
    String headerString = "";
    Enumeration<String> headerNames = request.getHeaderNames();
    while (headerNames.hasMoreElements()) {
        if (headerString.length() != 0)
            headerString += "\n";

        String name = headerNames.nextElement();
        headerString += name + ": " + request.getHeader(name);
    }

    return headerString;
}

From source file:io.apiman.test.common.mock.EchoResponse.java

/**
 * Create an echo response from the inbound information in the http server
 * request.//from w  w w  .jav  a2s .  co m
 * @param request
 * @param withBody 
 * @return a new echo response
 */
public static EchoResponse from(HttpServletRequest request, boolean withBody) {
    EchoResponse response = new EchoResponse();
    response.setMethod(request.getMethod());
    response.setResource(request.getRequestURI());
    response.setUri(request.getRequestURI());
    Enumeration<String> headerNames = request.getHeaderNames();
    while (headerNames.hasMoreElements()) {
        String name = headerNames.nextElement();
        String value = request.getHeader(name);
        response.getHeaders().put(name, value);
    }
    if (withBody) {
        long totalBytes = 0;
        InputStream is = null;
        try {
            is = request.getInputStream();
            MessageDigest sha1 = MessageDigest.getInstance("SHA1"); //$NON-NLS-1$
            byte[] data = new byte[1024];
            int read = 0;
            while ((read = is.read(data)) != -1) {
                sha1.update(data, 0, read);
                totalBytes += read;
            }
            ;

            byte[] hashBytes = sha1.digest();
            StringBuffer sb = new StringBuffer();
            for (int i = 0; i < hashBytes.length; i++) {
                sb.append(Integer.toString((hashBytes[i] & 0xff) + 0x100, 16).substring(1));
            }
            String fileHash = sb.toString();

            response.setBodyLength(totalBytes);
            response.setBodySha1(fileHash);
        } catch (Exception e) {
            throw new RuntimeException(e);
        } finally {
            IOUtils.closeQuietly(is);
        }
    }
    return response;
}

From source file:org.apache.qpid.server.management.plugin.HttpManagementUtil.java

public static OutputStream getOutputStream(final HttpServletRequest request, final HttpServletResponse response,
        HttpManagementConfiguration managementConfiguration) throws IOException {
    OutputStream outputStream;/*  w ww.  j  av  a 2 s .  co  m*/
    if (managementConfiguration.isCompressResponses()
            && Collections.list(request.getHeaderNames()).contains(ACCEPT_ENCODING_HEADER)
            && request.getHeader(ACCEPT_ENCODING_HEADER).contains(GZIP_CONTENT_ENCODING)) {
        outputStream = new GZIPOutputStream(response.getOutputStream());
        response.setHeader(CONTENT_ENCODING_HEADER, GZIP_CONTENT_ENCODING);
    } else {
        outputStream = response.getOutputStream();
    }
    return outputStream;
}