Example usage for javax.servlet.http HttpServletRequest getHeader

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

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Introduction

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

Prototype

public String getHeader(String name);

Source Link

Document

Returns the value of the specified request header as a String.

Usage

From source file:cn.bc.web.util.WebUtils.java

public static String encodeFileName(HttpServletRequest request, String srcFileName) {
    boolean isIE = request.getHeader("User-Agent").toUpperCase().indexOf("MSIE") != -1;
    return encodeFileName(isIE, srcFileName);
}

From source file:morph.plugin.views.annotation.ServletAnnotationMappingUtils.java

/**
 * Check whether the given request matches the specified header conditions.
 * @param headers the header conditions, following
 *                {@link org.springframework.web.bind.annotation.RequestMapping#headers() RequestMapping.headers()}
 * @param request the current HTTP request to check
 *///from   w  w w .j  a  va2 s . c  om
public static boolean checkHeaders(String[] headers, HttpServletRequest request) {
    if (!ObjectUtils.isEmpty(headers)) {
        for (String header : headers) {
            int separator = header.indexOf('=');
            if (separator == -1) {
                if (header.startsWith("!")) {
                    if (request.getHeader(header.substring(1)) != null) {
                        return false;
                    }
                } else if (request.getHeader(header) == null) {
                    return false;
                }
            } else {
                boolean negated = separator > 0 && header.charAt(separator - 1) == '!';
                String key = !negated ? header.substring(0, separator) : header.substring(0, separator - 1);
                String value = header.substring(separator + 1);
                if (isMediaTypeHeader(key)) {
                    List<MediaType> requestMediaTypes = MediaType.parseMediaTypes(request.getHeader(key));
                    List<MediaType> valueMediaTypes = MediaType.parseMediaTypes(value);
                    boolean found = false;
                    for (Iterator<MediaType> valIter = valueMediaTypes.iterator(); valIter.hasNext()
                            && !found;) {
                        MediaType valueMediaType = valIter.next();
                        for (Iterator<MediaType> reqIter = requestMediaTypes.iterator(); reqIter.hasNext()
                                && !found;) {
                            MediaType requestMediaType = reqIter.next();
                            if (valueMediaType.includes(requestMediaType)) {
                                found = true;
                            }
                        }

                    }
                    if (!found) {
                        return negated;
                    }
                } else if (!value.equals(request.getHeader(key))) {
                    return negated;
                }
            }
        }
    }
    return true;
}

From source file:de.perdian.commons.servlet.ServletUtils.java

/**
 * Extracts the locales supported by the client that sent a given request.
 * According to RFC 2161 the result list will be sorted according to any
 * specified preferenc value (see the RFC for details)
 *
 * @param servletRequest//ww  w  .  ja  va2s.co m
 *     the request from which to extract the information
 * @param defaultLocales
 *     the locales to be returned if no locales could be extracted from the
 *     request
 * @return
 *     a {@code List} containing the accepted {@code java.util.Locale}
 *     objects. If no locales are found in the request, then the method will
 *     return the default locale list or an empty list if no default locales
 *     have been passed - never {@code null}
 */
public static List<Locale> extractAcceptedLocales(HttpServletRequest servletRequest,
        List<Locale> defaultLocales) {

    Map<Float, List<Locale>> localeValuesByPriority = new TreeMap<>((o1, o2) -> -1 * Float.compare(o1, o2));
    String headerValue = servletRequest.getHeader("accept-language");
    if (headerValue != null) {
        StringTokenizer headerTokenizer = new StringTokenizer(headerValue, ",");
        while (headerTokenizer.hasMoreElements()) {
            String header = headerTokenizer.nextToken().trim();
            int semicolonSeparator = header.indexOf(";");
            String localeValue = semicolonSeparator > 0 ? header.substring(0, semicolonSeparator) : header;
            Locale locale = LocaleUtils.toLocale(localeValue);
            if (locale != null) {
                Float qValue = Float.valueOf(1f);
                String qParameter = ";q=";
                int qParameterIndex = header.indexOf(qParameter);
                if (qParameterIndex > 0) {
                    try {
                        String qParameterValue = header.substring(qParameterIndex + qParameter.length());
                        qValue = Float.valueOf(qParameterValue);

                    } catch (Exception e) {
                        // Ignore here and use the default
                    }
                }
                List<Locale> targetList = localeValuesByPriority.get(qValue);
                if (targetList == null) {
                    targetList = new ArrayList<>();
                    localeValuesByPriority.put(qValue, targetList);
                }
                targetList.add(locale);
            }
        }
    }

    List<Locale> localeValues = new ArrayList<>();
    for (Map.Entry<Float, List<Locale>> localeValueEntry : localeValuesByPriority.entrySet()) {
        for (Locale locale : localeValueEntry.getValue()) {
            localeValues.add(locale);
        }
    }
    if (localeValues.isEmpty() && defaultLocales != null) {
        localeValues.addAll(defaultLocales);
    }
    return Collections.unmodifiableList(localeValues);

}

From source file:com.oneis.appserver.FileUploads.java

/**
 * Determine whether an HTTP request contains file uploads. If so, returns a
 * FileUploads object initialised for decoding the stream.
 *
 * @return FileUploads object to use to decode the streamed data.
 *//*w  w w  . j  a  v a  2s  . co  m*/
static public FileUploads createIfUploads(HttpServletRequest request) {
    String contentType = request.getHeader("Content-Type");
    if (contentType == null) {
        return null;
    }

    // Set up a parser for the various values
    ParameterParser paramParser = new ParameterParser();
    paramParser.setLowerCaseNames(true);

    // Decode content type
    Map contentTypeDecoded = paramParser.parse(contentType, PARAMPARSER_SEPERATORS);

    String boundaryStr = null;
    if (!contentTypeDecoded.containsKey("multipart/form-data")
            || (boundaryStr = (String) contentTypeDecoded.get("boundary")) == null) {
        // Wasn't a file upload
        return null;
    }

    byte[] boundary = null;
    try {
        boundary = boundaryStr.getBytes("ISO-8859-1");
    } catch (java.io.UnsupportedEncodingException e) {
        throw new RuntimeException("Expected charset ISO-8859-1 not installed");
    }
    if (boundaryStr == null || boundary.length < 2) {
        return null;
    }

    // Looks good... create an object to signal success
    return new FileUploads(boundary);
}

From source file:com.meltmedia.cadmium.servlets.FileServletTest.java

public static HttpServletRequest mockGetWithIfNoneMatch(String pathInfo, String eTag) {
    HttpServletRequest request = mockGet(pathInfo);
    when(request.getHeader(IF_NONE_MATCH_HEADER)).thenReturn(eTag);
    return request;
}

From source file:com.meltmedia.cadmium.servlets.FileServletTest.java

public static HttpServletRequest mockGetWithIfMatch(String pathInfo, String eTag) {
    HttpServletRequest request = mockGet(pathInfo);
    when(request.getHeader(IF_MATCH_HEADER)).thenReturn(eTag);
    return request;
}

From source file:com.meltmedia.cadmium.servlets.FileServletTest.java

public static HttpServletRequest mockGetWithRanges(String pathInfo, String eTag,
        final RangeSpec... rangeSpecs) {
    HttpServletRequest request = mockGet(pathInfo);
    when(request.getHeader(IF_RANGE_HEADER)).thenReturn(eTag);
    if (rangeSpecs.length > 0) {
        when(request.getHeader(RANGE_HEADER)).thenReturn(rangeHeader(rangeSpecs));
    }/*from w  w  w  .  jav a 2  s .co  m*/
    return request;
}

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

/**
 * ??/*from   w w w .j a  va  2s .  com*/
 * @param out
 * @param req
 */
public static void dumpHeaders(PrintStream out, HttpServletRequest req) {
    Enumeration names = req.getHeaderNames();
    while (names.hasMoreElements()) {
        String name = (String) names.nextElement();
        out.println(name + "=" + req.getHeader(name));
    }
}

From source file:com.icl.integrator.util.patch.ServletAnnotationMappingUtils.java

/**
 * Check whether the given request matches the specified header conditions.
 * @param headers the header conditions, following
 * {@link org.springframework.web.bind.annotation.RequestMapping#headers() RequestMapping.headers()}
 * @param request the current HTTP request to check
 *//*ww  w .j  a  v  a 2s.com*/
public static boolean checkHeaders(String[] headers, HttpServletRequest request) {
    if (!ObjectUtils.isEmpty(headers)) {
        for (String header : headers) {
            int separator = header.indexOf('=');
            if (separator == -1) {
                if (header.startsWith("!")) {
                    if (request.getHeader(header.substring(1)) != null) {
                        return false;
                    }
                } else if (request.getHeader(header) == null) {
                    return false;
                }
            } else {
                boolean negated = (separator > 0 && header.charAt(separator - 1) == '!');
                String key = !negated ? header.substring(0, separator) : header.substring(0, separator - 1);
                String value = header.substring(separator + 1);
                if (isMediaTypeHeader(key)) {
                    List<MediaType> requestMediaTypes = MediaType.parseMediaTypes(request.getHeader(key));
                    List<MediaType> valueMediaTypes = MediaType.parseMediaTypes(value);
                    boolean found = false;
                    for (Iterator<MediaType> valIter = valueMediaTypes.iterator(); valIter.hasNext()
                            && !found;) {
                        MediaType valueMediaType = valIter.next();
                        for (Iterator<MediaType> reqIter = requestMediaTypes.iterator(); reqIter.hasNext()
                                && !found;) {
                            MediaType requestMediaType = reqIter.next();
                            if (valueMediaType.includes(requestMediaType)) {
                                found = true;
                            }
                        }

                    }
                    if (negated) {
                        found = !found;
                    }
                    if (!found) {
                        return false;
                    }
                } else {
                    boolean match = value.equals(request.getHeader(key));
                    if (negated) {
                        match = !match;
                    }
                    if (!match) {
                        return false;
                    }
                }
            }
        }
    }
    return true;
}

From source file:com.evolveum.midpoint.security.api.SecurityUtil.java

private static String getRemoteHostAddress(HttpServletRequest request) {
    for (String headerName : remoteHostAddressHeaders) {
        String header = request.getHeader(headerName);
        if (header != null) {
            return getAddressFromHeader(headerName, header);
        }//from w  ww . ja v a  2  s. c  om
    }
    return request.getRemoteAddr();
}