Example usage for javax.servlet.http HttpServletResponse setIntHeader

List of usage examples for javax.servlet.http HttpServletResponse setIntHeader

  1. HOME
  2. Java
  3. javax
  4. javax.servlet.http.*
  5. HttpServletResponse
  6. setIntHeader

Introduction

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

Prototype

public void setIntHeader(String name, int value);

Source Link

Document

Sets a response header with the given name and integer value.

Usage

From source file:com.codeabovelab.dm.gateway.proxy.common.HttpProxy.java

private boolean doResponseRedirectOrNotModifiedLogic(HttpProxyContext proxyContext, HttpResponse proxyResponse,
        int statusCode) throws ServletException, IOException {
    HttpServletResponse servletResponse = proxyContext.getResponse();
    // Check if the proxy response is a redirect
    // The following code is adapted from org.tigris.noodle.filters.CheckForRedirect
    if (statusCode >= HttpServletResponse.SC_MULTIPLE_CHOICES /* 300 */
            && statusCode < HttpServletResponse.SC_NOT_MODIFIED /* 304 */) {
        Header locationHeader = proxyResponse.getLastHeader(HttpHeaders.LOCATION);
        if (locationHeader == null) {
            throw new ServletException("Received status code: " + statusCode + " but no " + HttpHeaders.LOCATION
                    + " header was found in the response");
        }//from ww w.  ja v a  2s  .co m
        // Modify the redirect to go to this proxy servlet rather that the proxied host
        String locStr = rewriteUrlFromResponse(proxyContext, locationHeader.getValue());

        servletResponse.sendRedirect(locStr);
        return true;
    }
    // 304 needs special handling.  See:
    // http://www.ics.uci.edu/pub/ietf/http/rfc1945.html#Code304
    // We get a 304 whenever passed an 'If-Modified-Since'
    // header and the data on disk has not changed; server
    // responds w/ a 304 saying I'm not going to send the
    // body because the file has not changed.
    if (statusCode == HttpServletResponse.SC_NOT_MODIFIED) {
        servletResponse.setIntHeader(HttpHeaders.CONTENT_LENGTH, 0);
        servletResponse.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
        return true;
    }
    return false;
}

From source file:com.cubusmail.gwtui.server.services.RetrieveAttachmentServlet.java

@Override
public void service(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    WebApplicationContext context = WebApplicationContextUtils
            .getRequiredWebApplicationContext(request.getSession().getServletContext());

    try {/*from  www.j av a2s . c  o  m*/
        String messageId = request.getParameter("messageId");
        String attachmentIndex = request.getParameter("attachmentIndex");
        boolean view = "1".equals(request.getParameter("view"));

        if (messageId != null) {
            IMailbox mailbox = SessionManager.get().getMailbox();
            Message msg = mailbox.getCurrentFolder().getMessageById(Long.parseLong(messageId));

            List<MimePart> attachmentList = MessageUtils.attachmentsFromPart(msg);
            int index = Integer.valueOf(attachmentIndex);

            MimePart retrievePart = attachmentList.get(index);

            ContentType contentType = new ContentType(retrievePart.getContentType());

            String fileName = retrievePart.getFileName();
            if (StringUtils.isEmpty(fileName)) {
                fileName = context.getMessage("message.unknown.attachment", null,
                        SessionManager.get().getLocale());
            }
            StringBuffer contentDisposition = new StringBuffer();
            if (!view) {
                contentDisposition.append("attachment; filename=\"");
                contentDisposition.append(fileName).append("\"");
            }

            response.setHeader("cache-control", "no-store");
            response.setHeader("pragma", "no-cache");
            response.setIntHeader("max-age", 0);
            response.setIntHeader("expires", 0);

            if (!StringUtils.isEmpty(contentDisposition.toString())) {
                response.setHeader("Content-disposition", contentDisposition.toString());
            }
            response.setContentType(contentType.getBaseType());
            // response.setContentLength(
            // MessageUtils.calculateSizeFromPart( retrievePart ) );

            BufferedInputStream bufInputStream = new BufferedInputStream(retrievePart.getInputStream());
            OutputStream outputStream = response.getOutputStream();

            byte[] inBuf = new byte[1024];
            int len = 0;
            int total = 0;
            while ((len = bufInputStream.read(inBuf)) > 0) {
                outputStream.write(inBuf, 0, len);
                total += len;
            }

            bufInputStream.close();
            outputStream.flush();
            outputStream.close();

        }
    } catch (Exception ex) {
        logger.error(ex.getMessage(), ex);
    }
}

From source file:com.cubusmail.server.services.RetrieveAttachmentServlet.java

@Override
public void service(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    WebApplicationContext context = WebApplicationContextUtils
            .getRequiredWebApplicationContext(request.getSession().getServletContext());

    try {/*from ww w . ja  v  a 2  s .  c o  m*/
        String messageId = request.getParameter("messageId");
        String attachmentIndex = request.getParameter("attachmentIndex");
        boolean view = "1".equals(request.getParameter("view"));

        if (messageId != null) {
            IMailbox mailbox = SessionManager.get().getMailbox();
            Message msg = mailbox.getCurrentFolder().getMessageById(Long.parseLong(messageId));

            List<MimePart> attachmentList = MessageUtils.attachmentsFromPart(msg);
            int index = Integer.valueOf(attachmentIndex);

            MimePart retrievePart = attachmentList.get(index);

            ContentType contentType = new ContentType(retrievePart.getContentType());

            String fileName = retrievePart.getFileName();
            if (StringUtils.isEmpty(fileName)) {
                fileName = context.getMessage("message.unknown.attachment", null,
                        SessionManager.get().getLocale());
            }
            StringBuffer contentDisposition = new StringBuffer();
            if (!view) {
                contentDisposition.append("attachment; filename=\"");
                contentDisposition.append(fileName).append("\"");
            }

            response.setHeader("cache-control", "no-store");
            response.setHeader("pragma", "no-cache");
            response.setIntHeader("max-age", 0);
            response.setIntHeader("expires", 0);

            if (!StringUtils.isEmpty(contentDisposition.toString())) {
                response.setHeader("Content-disposition", contentDisposition.toString());
            }
            response.setContentType(contentType.getBaseType());
            // response.setContentLength(
            // MessageUtils.calculateSizeFromPart( retrievePart ) );

            BufferedInputStream bufInputStream = new BufferedInputStream(retrievePart.getInputStream());
            OutputStream outputStream = response.getOutputStream();

            byte[] inBuf = new byte[1024];
            int len = 0;
            int total = 0;
            while ((len = bufInputStream.read(inBuf)) > 0) {
                outputStream.write(inBuf, 0, len);
                total += len;
            }

            bufInputStream.close();
            outputStream.flush();
            outputStream.close();

        }
    } catch (Exception ex) {
        log.error(ex.getMessage(), ex);
    }
}

From source file:be.milieuinfo.core.proxy.controller.ProxyServlet.java

private boolean doResponseRedirectOrNotModifiedLogic(HttpServletRequest servletRequest,
        HttpServletResponse servletResponse, HttpResponse proxyResponse, int statusCode)
        throws ServletException, IOException {
    // Check if the proxy response is a redirect
    // The following code is adapted from org.tigris.noodle.filters.CheckForRedirect
    if (statusCode >= HttpServletResponse.SC_MULTIPLE_CHOICES /* 300 */
            && statusCode < HttpServletResponse.SC_NOT_MODIFIED /* 304 */) {
        Header locationHeader = proxyResponse.getLastHeader(HttpHeaders.LOCATION);
        if (locationHeader == null) {
            throw new ServletException("Received status code: " + statusCode + " but no " + HttpHeaders.LOCATION
                    + " header was found in the response");
        }//from   w w  w .  j av a 2s .c  o m
        // Modify the redirect to go to this proxy servlet rather that the proxied host
        String locStr = rewriteUrlFromResponse(servletRequest, locationHeader.getValue());

        servletResponse.sendRedirect(locStr);
        return true;
    }
    // 304 needs special handling.  See:
    // http://www.ics.uci.edu/pub/ietf/http/rfc1945.html#Code304
    // We get a 304 whenever passed an 'If-Modified-Since'
    // header and the data on disk has not changed; server
    // responds w/ a 304 saying I'm not going to send the
    // body because the file has not changed.
    if (statusCode == HttpServletResponse.SC_NOT_MODIFIED) {
        servletResponse.setIntHeader(HttpHeaders.CONTENT_LENGTH, 0);
        servletResponse.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
        return true;
    }
    return false;
}

From source file:uk.ac.ebi.phenotype.web.proxy.ExternalUrlConfiguratbleProxyServlet.java

private boolean doResponseRedirectOrNotModifiedLogic(HttpServletRequest servletRequest,
        HttpServletResponse servletResponse, HttpResponse proxyResponse, int statusCode)
        throws ServletException, IOException {
    // Check if the proxy response is a redirect
    // The following code is adapted from
    // org.tigris.noodle.filters.CheckForRedirect
    if (statusCode >= HttpServletResponse.SC_MULTIPLE_CHOICES /* 300 */
            && statusCode < HttpServletResponse.SC_NOT_MODIFIED /* 304 */) {
        Header locationHeader = proxyResponse.getLastHeader(HttpHeaders.LOCATION);
        if (locationHeader == null) {
            throw new ServletException("Recieved status code: " + statusCode + " but no " + HttpHeaders.LOCATION
                    + " header was found in the response");
        }/*from   w w  w.j  av  a  2s .com*/
        // Modify the redirect to go to this proxy servlet rather that the
        // proxied host
        String locStr = rewriteUrlFromResponse(servletRequest, locationHeader.getValue());

        servletResponse.sendRedirect(locStr);
        return true;
    }
    // 304 needs special handling. See:
    // http://www.ics.uci.edu/pub/ietf/http/rfc1945.html#Code304
    // We get a 304 whenever passed an 'If-Modified-Since'
    // header and the data on disk has not changed; server
    // responds w/ a 304 saying I'm not going to send the
    // body because the file has not changed.
    if (statusCode == HttpServletResponse.SC_NOT_MODIFIED) {
        servletResponse.setIntHeader(HttpHeaders.CONTENT_LENGTH, 0);
        servletResponse.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
        return true;
    }
    return false;
}

From source file:org.fireflow.webdesigner.servlet.handlers.GetProcessDefsHandler.java

protected void outputXmlWithinHtml(String processXml, HttpServletResponse resp, HttpServletRequest req)
        throws ServletException, IOException {
    HttpServletRequest request = req;/*from w  w w.  ja  v a  2  s.  c  o m*/
    String contextPath = request.getContextPath();
    if (contextPath == null)
        contextPath = "";
    if (contextPath.endsWith("/")) {
        contextPath = contextPath.substring(0, contextPath.length() - 1);
    }

    StringBuffer sbuf = new StringBuffer();
    sbuf.append("<!DOCTYPE html>\n").append("<html>\n").append("<head>\n").append("<script src=\"")
            .append(contextPath).append(ClientWidgetBase.FIREFLOW_RESOURCE_SERVLET)
            .append("/org/fireflow/webdesigner/resources/google-code-prettify/prettify.js\"></script>\n")
            .append("<link rel=\"stylesheet\" href=\"").append(contextPath)
            .append(ClientWidgetBase.FIREFLOW_RESOURCE_SERVLET)
            .append("/org/fireflow/webdesigner/resources/google-code-prettify/prettify.css\"/>\n")
            .append("<style>\n").append("body { margin: 0; padding: 0;font-size:12px }\n")
            .append("pre { margin: 0 }\n").append("</style>\n").append("</head>\n")
            .append("<body onload=\"prettyPrint();\">\n").append("<pre class=\"prettyprint lang-xml\">");

    String tmp = StringEscapeUtils.escapeXml(processXml);
    sbuf.append(tmp);

    sbuf.append("</pre>\n").append("</body>\n").append("</html>");

    // contentType
    String encoding = Utils.findXmlCharset(processXml);
    resp.setContentType("text/html");
    resp.setCharacterEncoding(encoding);

    // ???
    resp.setHeader("Pragma", "no-cache");
    resp.setHeader("Cache-Control", "no-cache");
    resp.setIntHeader("Expires", -1);

    byte[] byteArr = sbuf.toString().getBytes(encoding);

    OutputStream outStream = resp.getOutputStream();
    outStream.write(byteArr);
}

From source file:org.ajax4jsf.webapp.CacheContent.java

/**
 * Send saved headers to http responce.// w  w w. j  ava2s.  c o  m
 * 
 * @param response
 */
public void sendHeaders(HttpServletResponse response) {
    // set real content-length.
    // / if (null != content) {
    int realContentLength = 0;
    if (filledOutputStream) {
        if (null != content && content.length > 0) {
            realContentLength = content.length;
        } else if (null != outputStream && outputStream.getLength() > 0) {
            realContentLength = outputStream.getLength();
        }
    } // TODO - calculate content-lenght for writer ?

    if (realContentLength <= 0 && contentLength != null) {
        realContentLength = contentLength.intValue();
    }

    for (Iterator<Entry<String, Object>> iter = headers.entrySet().iterator(); iter.hasNext();) {
        Entry<String, Object> element = iter.next();
        String header = (String) element.getKey();
        Object headerValue = element.getValue();
        try {
            if (headerValue instanceof Long) {
                Long time = (Long) headerValue;
                response.setDateHeader(header, time.longValue());
            } else if (headerValue instanceof Integer) {
                Integer value = (Integer) headerValue;
                // Check real content length.
                if ("Content-Length".equals(header)) {
                    if (realContentLength <= 0) {
                        realContentLength = value.intValue();
                    } else {
                        //do nothing
                    }
                } else {
                    response.setIntHeader(header, value.intValue());
                }
            } else {
                // Don't send "chunked" transfer-encoding type with real content-length
                if (!(realContentLength > 0 && "Transfer-Encoding".equals(header)
                        && "chunked".equals(headerValue))) {
                    response.setHeader(header, (String) headerValue);
                }
            }

        } catch (Exception e) {
            _log.error("Error set response header " + header + "for value " + headerValue, e);
        }
        if (realContentLength > 0) {
            response.setContentLength(realContentLength);
        }
        if (null != contentType) {
            response.setContentType(this.contentType);
        }
    }
}

From source file:org.ocpsoft.rewrite.servlet.config.proxy.ProxyServlet.java

protected boolean doResponseRedirectOrNotModifiedLogic(HttpServletRequest servletRequest,
        HttpServletResponse servletResponse, HttpResponse proxyResponse, int statusCode)
        throws ServletException, IOException {
    /*//from ww  w  .j a v a  2  s .c o  m
     * Check if the proxy response is a redirect. The following code is adapted from
     * org.tigris.noodle.filters.CheckForRedirect
     */
    if (statusCode >= HttpServletResponse.SC_MULTIPLE_CHOICES /* 300 */
            && statusCode < HttpServletResponse.SC_NOT_MODIFIED /* 304 */) {
        Header locationHeader = proxyResponse.getLastHeader(HttpHeaders.LOCATION);
        if (locationHeader == null) {
            throw new ServletException("Received status code: " + statusCode + " but no " + HttpHeaders.LOCATION
                    + " header was found in the response");
        }
        /*
         * Modify the redirect to go to this proxy servlet rather that the proxied host
         */
        String locStr = rewriteUrlFromResponse(servletRequest, locationHeader.getValue());

        servletResponse.sendRedirect(locStr);
        return true;
    }
    /*
     * 304 needs special handling. See: http://www.ics.uci.edu/pub/ietf/http/rfc1945.html#Code304 . We get a 304
     * whenever passed an 'If-Modified-Since' header and the data on disk has not changed; server responds w/ a 304
     * saying I'm not going to send the body because the file has not changed.
     */
    if (statusCode == HttpServletResponse.SC_NOT_MODIFIED) {
        servletResponse.setIntHeader(HttpHeaders.CONTENT_LENGTH, 0);
        servletResponse.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
        return true;
    }
    return false;
}

From source file:org.realityforge.proxy_servlet.AbstractProxyServlet.java

private boolean doResponseRedirectOrNotModifiedLogic(final HttpServletRequest servletRequest,
        final HttpServletResponse servletResponse, final HttpResponse proxyResponse, final int statusCode)
        throws ServletException, IOException {
    // Check if the proxy response is a redirect
    // The following code is adapted from org.tigris.noodle.filters.CheckForRedirect
    if (statusCode >= HttpServletResponse.SC_MULTIPLE_CHOICES && /* 300 */
            statusCode < HttpServletResponse.SC_NOT_MODIFIED /* 304 */ ) {
        final Header locationHeader = proxyResponse.getLastHeader(HttpHeaders.LOCATION);
        if (null == locationHeader) {
            final String message = "Received status code: " + statusCode + " but no " + HttpHeaders.LOCATION
                    + " header was found in the response";
            throw new ServletException(message);
        }// w  w  w .  ja  va  2s.  c  om
        // Modify the redirect to go to this proxy servlet rather that the proxied host
        final String locStr = rewriteUrlFromResponse(servletRequest, locationHeader.getValue());

        servletResponse.sendRedirect(locStr);
        return true;
    }

    // 304 needs special handling.  See:
    // http://www.ics.uci.edu/pub/ietf/http/rfc1945.html#Code304
    // We get a 304 whenever passed an 'If-Modified-Since'
    // header and the data on disk has not changed; server
    // responds w/ a 304 saying I'm not going to send the
    // body because the file has not changed.
    if (statusCode == HttpServletResponse.SC_NOT_MODIFIED) {
        servletResponse.setIntHeader(HttpHeaders.CONTENT_LENGTH, 0);
        servletResponse.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
        return true;
    }
    return false;
}