Example usage for javax.servlet.http HttpServletResponse containsHeader

Introduction

In this page you can find the example usage for javax.servlet.http HttpServletResponse containsHeader.

Prototype

public boolean containsHeader(String name);

Source Link

Document

Returns a boolean indicating whether the named response header has already been set.

Usage

From source file:net.sf.ehcache.constructs.web.ResponseUtil.java

/**
 * Adds the gzip HTTP header to the response. This is need when a gzipped body is returned so that browsers can properly decompress it.
 * <p/>//  w ww.java 2  s. c  om
 * @param response the response which will have a header added to it. I.e this method changes its parameter
 * @throws ResponseHeadersNotModifiableException Either the response is committed or we were called using the include method
 * from a {@link javax.servlet.RequestDispatcher#include(javax.servlet.ServletRequest, javax.servlet.ServletResponse)}
 * method and the set set header is ignored.
 */
public static void addGzipHeader(final HttpServletResponse response)
        throws ResponseHeadersNotModifiableException {
    response.setHeader("Content-Encoding", "gzip");
    boolean containsEncoding = response.containsHeader("Content-Encoding");
    if (!containsEncoding) {
        throw new ResponseHeadersNotModifiableException(
                "Failure when attempting to set " + "Content-Encoding: gzip");
    }
}

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From source file:org.ambraproject.wombat.util.HttpMessageUtil.java

/**
 * Copy content with whitelisted headers between responses. Headers already written to {@code responseTo} are
 * <em>not</em> overwritten if {@code responseFrom} has a header with the same name.
 *
 * @param responseFrom an incoming response to copy from
 * @param responseTo   an outgoing response to copy into
 * @param headerFilter describes whether and how to copy headers
 * @throws IOException//from w w w  .ja va 2 s. c o  m
 */
public static void copyResponseWithHeaders(HttpResponse responseFrom, HttpServletResponse responseTo,
        HeaderFilter headerFilter) throws IOException {
    for (Header header : responseFrom.getAllHeaders()) {
        String headerName = header.getName();
        if (!responseTo.containsHeader(headerName)) {
            String newValue = headerFilter.getValue(header);
            if (newValue != null) {
                responseTo.setHeader(headerName, newValue);
            }
        }
    }
    copyResponse(responseFrom, responseTo);
}

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From source file:com.github.rnewson.couchdb.lucene.util.ServletUtils.java

public static void setResponseContentTypeAndEncoding(final HttpServletRequest req,
        final HttpServletResponse resp) {
    final String accept = req.getHeader("Accept");
    if (getBooleanParameter(req, "force_json") || (accept != null && accept.contains("application/json"))) {
        resp.setContentType("application/json");
    } else {//from  w  w w . ja  va2 s.co m
        resp.setContentType("text/plain");
    }
    if (!resp.containsHeader("Vary")) {
        resp.addHeader("Vary", "Accept");
    }
    resp.setCharacterEncoding("utf-8");
}

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From source file:org.openlaszlo.utils.LZHttpUtils.java

/**
 * Mark response with no-store cache control
 *///w  w  w . j  av  a2 s  .  c o  m
static public void noStore(HttpServletResponse res) {
    if (res.containsHeader(LZHttpUtils.CACHE_CONTROL)) {
        mLogger.warn(
                /* (non-Javadoc)
                 * @i18n.test
                 * @org-mes="over-riding back-end cache-control header to: no-store"
                 */
                org.openlaszlo.i18n.LaszloMessages.getMessage(LZHttpUtils.class.getName(), "051018-408"));
    }
    res.setHeader("Cache-Control", "cache, must-revalidate");
    res.setHeader("Pragma", "public");
    //        res.setHeader(CACHE_CONTROL, NO_STORE);
}

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From source file:org.apache.atlas.web.filters.AtlasAuthenticationFilter.java

private static String readUserFromCookie(HttpServletResponse response1) {
    String userName = null;//from  w  w  w . j ava 2s  . c  o  m
    boolean isCookieSet = response1.containsHeader("Set-Cookie");
    if (isCookieSet) {
        Collection<String> authUserName = response1.getHeaders("Set-Cookie");
        if (authUserName != null) {
            for (String cookie : authUserName) {
                if (!StringUtils.isEmpty(cookie)) {
                    if (cookie.toLowerCase().startsWith(AuthenticatedURL.AUTH_COOKIE.toLowerCase())
                            && cookie.contains("u=")) {
                        String[] split = cookie.split(";");
                        if (split != null) {
                            for (String s : split) {
                                if (!StringUtils.isEmpty(s) && s.toLowerCase()
                                        .startsWith(AuthenticatedURL.AUTH_COOKIE.toLowerCase())) {
                                    int ustr = s.indexOf("u=");
                                    if (ustr != -1) {
                                        int andStr = s.indexOf("&", ustr);
                                        if (andStr != -1) {
                                            try {
                                                userName = s.substring(ustr + 2, andStr);
                                                break;
                                            } catch (Exception e) {
                                                userName = null;
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    }
    return userName;
}

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From source file:org.springframework.security.web.header.writers.ClearSiteDataHeaderWriter.java

@Override
public void writeHeaders(HttpServletRequest request, HttpServletResponse response) {
    if (this.requestMatcher.matches(request)) {
        if (!response.containsHeader(CLEAR_SITE_DATA_HEADER)) {
            response.setHeader(CLEAR_SITE_DATA_HEADER, this.headerValue);
        }/* ww  w  .j ava 2 s.com*/
    } else if (logger.isDebugEnabled()) {
        logger.debug("Not injecting Clear-Site-Data header since it did not match the " + "requestMatcher "
                + this.requestMatcher);
    }
}

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From source file:com.netflix.conductor.server.JerseyModule.java

@Provides
@Singleton/* w  w  w.  j  a  v  a  2  s. co  m*/
public Filter apiOriginFilter() {
    return new Filter() {

        @Override
        public void init(FilterConfig filterConfig) throws ServletException {
        }

        @Override
        public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
                throws IOException, ServletException {
            HttpServletResponse res = (HttpServletResponse) response;
            if (!res.containsHeader("Access-Control-Allow-Origin")) {
                res.setHeader("Access-Control-Allow-Origin", "*");
            }
            res.addHeader("Access-Control-Allow-Methods", "GET, POST, DELETE, PUT");
            res.addHeader("Access-Control-Allow-Headers", "Content-Type, api_key, Authorization");

            chain.doFilter(request, response);
        }

        @Override
        public void destroy() {
        }

    };
}

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From source file:net.ymate.platform.webmvc.view.AbstractView.java

public IView addDateHeader(String name, long date) {
    HttpServletResponse _response = WebContext.getResponse();
    if (_response.containsHeader(name)) {
        _response.addDateHeader(name, date);
    } else {/*w  w  w .ja v  a2  s  .  c  om*/
        _response.setDateHeader(name, date);
    }
    return this;
}

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From source file:net.ymate.platform.webmvc.view.AbstractView.java

public IView addHeader(String name, String value) {
    HttpServletResponse _response = WebContext.getResponse();
    if (_response.containsHeader(name)) {
        _response.addHeader(name, value);
    } else {/*from  w ww. j  a  v  a  2 s.c  o m*/
        _response.setHeader(name, value);
    }
    return this;
}

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From source file:net.ymate.platform.webmvc.view.AbstractView.java

public IView addIntHeader(String name, int value) {
    HttpServletResponse _response = WebContext.getResponse();
    if (_response.containsHeader(name)) {
        _response.addIntHeader(name, value);
    } else {/*from   w ww. ja  v  a2  s .c  o m*/
        _response.setIntHeader(name, value);
    }
    return this;
}

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