Mercurial Hosting > luan
changeset 805:fc3e366caa51
add jetty-dir.css
| author | Franklin Schmidt <fschmidt@gmail.com> |
|---|---|
| date | Wed, 07 Sep 2016 22:46:38 -0600 |
| parents | 9f5ba30722bb |
| children | 49cbf6ee529f |
| files | scripts/build-luan.sh src/org/eclipse/jetty/jetty-dir.css src/org/eclipse/jetty/server/handler/ResourceHandler.java |
| diffstat | 3 files changed, 466 insertions(+), 435 deletions(-) [+] |
line wrap: on
line diff
--- a/scripts/build-luan.sh Wed Sep 07 21:28:02 2016 -0600 +++ b/scripts/build-luan.sh Wed Sep 07 22:46:38 2016 -0600 @@ -20,7 +20,7 @@ for i in $LUAN_HOME/lib/* ; do CLASSPATH=$CLASSPATH:$i ; done cd src javac -classpath $CLASSPATH `find . -name *.java` -jar cvf $LUAN_BUILD/luan/jars/luan-$VERSION.jar `find . -name *.class -o -name *.luan` +jar cvf $LUAN_BUILD/luan/jars/luan-$VERSION.jar `find . -name *.class -o -name *.luan -o -name *.css` cp $LUAN_HOME/lib/* $LUAN_BUILD/luan/jars cp $LUAN_HOME/scripts/install.sh $LUAN_BUILD/luan
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/org/eclipse/jetty/jetty-dir.css Wed Sep 07 22:46:38 2016 -0600 @@ -0,0 +1,31 @@ +body +{ + background-color: #FFFFFF; + margin: 10px; + padding: 5px; +} + +h1 +{ + text-shadow: #000000 -1px -1px 1px; + color: #FC390E; + font-weight: bold; +} + +a +{ + color: #7036be; + font-weight: bold; + font-style: normal; + text-decoration: none; + font-size:inherit; +} + +td +{ + font-style: italic; + padding: 2px 15px 2px 0px; +} + + +
--- a/src/org/eclipse/jetty/server/handler/ResourceHandler.java Wed Sep 07 21:28:02 2016 -0600 +++ b/src/org/eclipse/jetty/server/handler/ResourceHandler.java Wed Sep 07 22:46:38 2016 -0600 @@ -58,488 +58,488 @@ */ public class ResourceHandler extends HandlerWrapper { - private static final Logger LOG = Log.getLogger(ResourceHandler.class); + private static final Logger LOG = Log.getLogger(ResourceHandler.class); - ContextHandler _context; - Resource _baseResource; - Resource _defaultStylesheet; - Resource _stylesheet; - String[] _welcomeFiles={"index.html"}; - MimeTypes _mimeTypes = new MimeTypes(); - ByteArrayBuffer _cacheControl; - boolean _aliases; - boolean _directory; - boolean _etags; + ContextHandler _context; + Resource _baseResource; + Resource _defaultStylesheet; + Resource _stylesheet; + String[] _welcomeFiles={"index.html"}; + MimeTypes _mimeTypes = new MimeTypes(); + ByteArrayBuffer _cacheControl; + boolean _aliases; + boolean _directory; + boolean _etags; - /* ------------------------------------------------------------ */ - public ResourceHandler() - { - - } + /* ------------------------------------------------------------ */ + public ResourceHandler() + { + + } - /* ------------------------------------------------------------ */ - public MimeTypes getMimeTypes() - { - return _mimeTypes; - } + /* ------------------------------------------------------------ */ + public MimeTypes getMimeTypes() + { + return _mimeTypes; + } - /* ------------------------------------------------------------ */ - public void setMimeTypes(MimeTypes mimeTypes) - { - _mimeTypes = mimeTypes; - } + /* ------------------------------------------------------------ */ + public void setMimeTypes(MimeTypes mimeTypes) + { + _mimeTypes = mimeTypes; + } - /* ------------------------------------------------------------ */ - /** - * @return True if resource aliases are allowed. - */ - public boolean isAliases() - { - return _aliases; - } + /* ------------------------------------------------------------ */ + /** + * @return True if resource aliases are allowed. + */ + public boolean isAliases() + { + return _aliases; + } - /* ------------------------------------------------------------ */ - /** - * Set if resource aliases (eg symlink, 8.3 names, case insensitivity) are allowed. - * Allowing aliases can significantly increase security vulnerabilities. - * If this handler is deployed inside a ContextHandler, then the - * {@link ContextHandler#isAliases()} takes precedent. - * @param aliases True if aliases are supported. - */ - public void setAliases(boolean aliases) - { - _aliases = aliases; - } + /* ------------------------------------------------------------ */ + /** + * Set if resource aliases (eg symlink, 8.3 names, case insensitivity) are allowed. + * Allowing aliases can significantly increase security vulnerabilities. + * If this handler is deployed inside a ContextHandler, then the + * {@link ContextHandler#isAliases()} takes precedent. + * @param aliases True if aliases are supported. + */ + public void setAliases(boolean aliases) + { + _aliases = aliases; + } - /* ------------------------------------------------------------ */ - /** Get the directory option. - * @return true if directories are listed. - */ - public boolean isDirectoriesListed() - { - return _directory; - } + /* ------------------------------------------------------------ */ + /** Get the directory option. + * @return true if directories are listed. + */ + public boolean isDirectoriesListed() + { + return _directory; + } - /* ------------------------------------------------------------ */ - /** Set the directory. - * @param directory true if directories are listed. - */ - public void setDirectoriesListed(boolean directory) - { - _directory = directory; - } + /* ------------------------------------------------------------ */ + /** Set the directory. + * @param directory true if directories are listed. + */ + public void setDirectoriesListed(boolean directory) + { + _directory = directory; + } - /* ------------------------------------------------------------ */ - /** - * @return True if ETag processing is done - */ - public boolean isEtags() - { - return _etags; - } + /* ------------------------------------------------------------ */ + /** + * @return True if ETag processing is done + */ + public boolean isEtags() + { + return _etags; + } - /* ------------------------------------------------------------ */ - /** - * @param etags True if ETag processing is done - */ - public void setEtags(boolean etags) - { - _etags = etags; - } + /* ------------------------------------------------------------ */ + /** + * @param etags True if ETag processing is done + */ + public void setEtags(boolean etags) + { + _etags = etags; + } - /* ------------------------------------------------------------ */ - @Override - public void doStart() - throws Exception - { - Context scontext = ContextHandler.getCurrentContext(); - _context = (scontext==null?null:scontext.getContextHandler()); + /* ------------------------------------------------------------ */ + @Override + public void doStart() + throws Exception + { + Context scontext = ContextHandler.getCurrentContext(); + _context = (scontext==null?null:scontext.getContextHandler()); - if (_context!=null) - _aliases=_context.isAliases(); + if (_context!=null) + _aliases=_context.isAliases(); - if (!_aliases && !FileResource.getCheckAliases()) - throw new IllegalStateException("Alias checking disabled"); + if (!_aliases && !FileResource.getCheckAliases()) + throw new IllegalStateException("Alias checking disabled"); - super.doStart(); - } + super.doStart(); + } - /* ------------------------------------------------------------ */ - /** - * @return Returns the resourceBase. - */ - public Resource getBaseResource() - { - if (_baseResource==null) - return null; - return _baseResource; - } + /* ------------------------------------------------------------ */ + /** + * @return Returns the resourceBase. + */ + public Resource getBaseResource() + { + if (_baseResource==null) + return null; + return _baseResource; + } - /* ------------------------------------------------------------ */ - /** - * @return Returns the base resource as a string. - */ - public String getResourceBase() - { - if (_baseResource==null) - return null; - return _baseResource.toString(); - } + /* ------------------------------------------------------------ */ + /** + * @return Returns the base resource as a string. + */ + public String getResourceBase() + { + if (_baseResource==null) + return null; + return _baseResource.toString(); + } - /* ------------------------------------------------------------ */ - /** - * @param base The resourceBase to set. - */ - public void setBaseResource(Resource base) - { - _baseResource=base; - } + /* ------------------------------------------------------------ */ + /** + * @param base The resourceBase to set. + */ + public void setBaseResource(Resource base) + { + _baseResource=base; + } - /* ------------------------------------------------------------ */ - /** - * @param resourceBase The base resource as a string. - */ - public void setResourceBase(String resourceBase) - { - try - { - setBaseResource(Resource.newResource(resourceBase)); - } - catch (Exception e) - { - LOG.warn(e.toString()); - LOG.debug(e); - throw new IllegalArgumentException(resourceBase); - } - } - - /* ------------------------------------------------------------ */ - /** - * @return Returns the stylesheet as a Resource. - */ - public Resource getStylesheet() - { - if(_stylesheet != null) - { - return _stylesheet; - } - else - { - if(_defaultStylesheet == null) - { - try - { - _defaultStylesheet = Resource.newResource(this.getClass().getResource("/jetty-dir.css")); - } - catch(IOException e) - { - LOG.warn(e.toString()); - LOG.debug(e); - } - } - return _defaultStylesheet; - } - } - - /* ------------------------------------------------------------ */ - /** - * @param stylesheet The location of the stylesheet to be used as a String. - */ - public void setStylesheet(String stylesheet) - { - try - { - _stylesheet = Resource.newResource(stylesheet); - if(!_stylesheet.exists()) - { - LOG.warn("unable to find custom stylesheet: " + stylesheet); - _stylesheet = null; - } - } - catch(Exception e) - { - LOG.warn(e.toString()); - LOG.debug(e); - throw new IllegalArgumentException(stylesheet.toString()); - } - } + /* ------------------------------------------------------------ */ + /** + * @param resourceBase The base resource as a string. + */ + public void setResourceBase(String resourceBase) + { + try + { + setBaseResource(Resource.newResource(resourceBase)); + } + catch (Exception e) + { + LOG.warn(e.toString()); + LOG.debug(e); + throw new IllegalArgumentException(resourceBase); + } + } + + /* ------------------------------------------------------------ */ + /** + * @return Returns the stylesheet as a Resource. + */ + public Resource getStylesheet() + { + if(_stylesheet != null) + { + return _stylesheet; + } + else + { + if(_defaultStylesheet == null) + { + try + { + _defaultStylesheet = Resource.newResource(this.getClass().getResource("/org/eclipse/jetty/jetty-dir.css")); + } + catch(IOException e) + { + LOG.warn(e.toString()); + LOG.debug(e); + } + } + return _defaultStylesheet; + } + } + + /* ------------------------------------------------------------ */ + /** + * @param stylesheet The location of the stylesheet to be used as a String. + */ + public void setStylesheet(String stylesheet) + { + try + { + _stylesheet = Resource.newResource(stylesheet); + if(!_stylesheet.exists()) + { + LOG.warn("unable to find custom stylesheet: " + stylesheet); + _stylesheet = null; + } + } + catch(Exception e) + { + LOG.warn(e.toString()); + LOG.debug(e); + throw new IllegalArgumentException(stylesheet.toString()); + } + } - /* ------------------------------------------------------------ */ - /** - * @return the cacheControl header to set on all static content. - */ - public String getCacheControl() - { - return _cacheControl.toString(); - } + /* ------------------------------------------------------------ */ + /** + * @return the cacheControl header to set on all static content. + */ + public String getCacheControl() + { + return _cacheControl.toString(); + } - /* ------------------------------------------------------------ */ - /** - * @param cacheControl the cacheControl header to set on all static content. - */ - public void setCacheControl(String cacheControl) - { - _cacheControl=cacheControl==null?null:new ByteArrayBuffer(cacheControl); - } + /* ------------------------------------------------------------ */ + /** + * @param cacheControl the cacheControl header to set on all static content. + */ + public void setCacheControl(String cacheControl) + { + _cacheControl=cacheControl==null?null:new ByteArrayBuffer(cacheControl); + } - /* ------------------------------------------------------------ */ - /* - */ - public Resource getResource(String path) throws MalformedURLException - { - if (path==null || !path.startsWith("/")) - throw new MalformedURLException(path); + /* ------------------------------------------------------------ */ + /* + */ + public Resource getResource(String path) throws MalformedURLException + { + if (path==null || !path.startsWith("/")) + throw new MalformedURLException(path); - Resource base = _baseResource; - if (base==null) - { - if (_context==null) - return null; - base=_context.getBaseResource(); - if (base==null) - return null; - } + Resource base = _baseResource; + if (base==null) + { + if (_context==null) + return null; + base=_context.getBaseResource(); + if (base==null) + return null; + } - try - { - path=URIUtil.canonicalPath(path); - return base.addPath(path); - } - catch(Exception e) - { - LOG.ignore(e); - } + try + { + path=URIUtil.canonicalPath(path); + return base.addPath(path); + } + catch(Exception e) + { + LOG.ignore(e); + } - return null; - } + return null; + } - /* ------------------------------------------------------------ */ - protected Resource getResource(HttpServletRequest request) throws MalformedURLException - { - String servletPath; - String pathInfo; - Boolean included = request.getAttribute(Dispatcher.INCLUDE_REQUEST_URI) != null; - if (included != null && included.booleanValue()) - { - servletPath = (String)request.getAttribute(Dispatcher.INCLUDE_SERVLET_PATH); - pathInfo = (String)request.getAttribute(Dispatcher.INCLUDE_PATH_INFO); + /* ------------------------------------------------------------ */ + protected Resource getResource(HttpServletRequest request) throws MalformedURLException + { + String servletPath; + String pathInfo; + Boolean included = request.getAttribute(Dispatcher.INCLUDE_REQUEST_URI) != null; + if (included != null && included.booleanValue()) + { + servletPath = (String)request.getAttribute(Dispatcher.INCLUDE_SERVLET_PATH); + pathInfo = (String)request.getAttribute(Dispatcher.INCLUDE_PATH_INFO); - if (servletPath == null && pathInfo == null) - { - servletPath = request.getServletPath(); - pathInfo = request.getPathInfo(); - } - } - else - { - servletPath = request.getServletPath(); - pathInfo = request.getPathInfo(); - } - - String pathInContext=URIUtil.addPaths(servletPath,pathInfo); - return getResource(pathInContext); - } + if (servletPath == null && pathInfo == null) + { + servletPath = request.getServletPath(); + pathInfo = request.getPathInfo(); + } + } + else + { + servletPath = request.getServletPath(); + pathInfo = request.getPathInfo(); + } + + String pathInContext=URIUtil.addPaths(servletPath,pathInfo); + return getResource(pathInContext); + } - /* ------------------------------------------------------------ */ - public String[] getWelcomeFiles() - { - return _welcomeFiles; - } + /* ------------------------------------------------------------ */ + public String[] getWelcomeFiles() + { + return _welcomeFiles; + } - /* ------------------------------------------------------------ */ - public void setWelcomeFiles(String[] welcomeFiles) - { - _welcomeFiles=welcomeFiles; - } + /* ------------------------------------------------------------ */ + public void setWelcomeFiles(String[] welcomeFiles) + { + _welcomeFiles=welcomeFiles; + } - /* ------------------------------------------------------------ */ - protected Resource getWelcome(Resource directory) throws MalformedURLException, IOException - { - for (int i=0;i<_welcomeFiles.length;i++) - { - Resource welcome=directory.addPath(_welcomeFiles[i]); - if (welcome.exists() && !welcome.isDirectory()) - return welcome; - } + /* ------------------------------------------------------------ */ + protected Resource getWelcome(Resource directory) throws MalformedURLException, IOException + { + for (int i=0;i<_welcomeFiles.length;i++) + { + Resource welcome=directory.addPath(_welcomeFiles[i]); + if (welcome.exists() && !welcome.isDirectory()) + return welcome; + } - return null; - } + return null; + } - /* ------------------------------------------------------------ */ - /* - * @see org.eclipse.jetty.server.Handler#handle(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, int) - */ - public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException - { - if (baseRequest.isHandled()) - return; + /* ------------------------------------------------------------ */ + /* + * @see org.eclipse.jetty.server.Handler#handle(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, int) + */ + public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException + { + if (baseRequest.isHandled()) + return; - boolean skipContentBody = false; + boolean skipContentBody = false; - if(!HttpMethods.GET.equals(request.getMethod())) - { - if(!HttpMethods.HEAD.equals(request.getMethod())) - { - //try another handler - super.handle(target, baseRequest, request, response); - return; - } - skipContentBody = true; - } - - Resource resource = getResource(request); - - if (resource==null || !resource.exists()) - { - if (target.endsWith("/jetty-dir.css")) - { - resource = getStylesheet(); - if (resource==null) - return; - response.setContentType("text/css"); - } - else - { - //no resource - try other handlers - super.handle(target, baseRequest, request, response); - return; - } - } - - if (!_aliases && resource.getAlias()!=null) - { - LOG.info(resource+" aliased to "+resource.getAlias()); - return; - } + if(!HttpMethods.GET.equals(request.getMethod())) + { + if(!HttpMethods.HEAD.equals(request.getMethod())) + { + //try another handler + super.handle(target, baseRequest, request, response); + return; + } + skipContentBody = true; + } + + Resource resource = getResource(request); + + if (resource==null || !resource.exists()) + { + if (target.endsWith("/jetty-dir.css")) + { + resource = getStylesheet(); + if (resource==null) + return; + response.setContentType("text/css"); + } + else + { + //no resource - try other handlers + super.handle(target, baseRequest, request, response); + return; + } + } + + if (!_aliases && resource.getAlias()!=null) + { + LOG.info(resource+" aliased to "+resource.getAlias()); + return; + } - // We are going to serve something - baseRequest.setHandled(true); + // We are going to serve something + baseRequest.setHandled(true); - if (resource.isDirectory()) - { - if (!request.getPathInfo().endsWith(URIUtil.SLASH)) - { - response.sendRedirect(response.encodeRedirectURL(URIUtil.addPaths(request.getRequestURI(),URIUtil.SLASH))); - return; - } + if (resource.isDirectory()) + { + if (!request.getPathInfo().endsWith(URIUtil.SLASH)) + { + response.sendRedirect(response.encodeRedirectURL(URIUtil.addPaths(request.getRequestURI(),URIUtil.SLASH))); + return; + } - Resource welcome=getWelcome(resource); - if (welcome!=null && welcome.exists()) - resource=welcome; - else - { - doDirectory(request,response,resource); - baseRequest.setHandled(true); - return; - } - } + Resource welcome=getWelcome(resource); + if (welcome!=null && welcome.exists()) + resource=welcome; + else + { + doDirectory(request,response,resource); + baseRequest.setHandled(true); + return; + } + } - // set some headers - long last_modified=resource.lastModified(); - String etag=null; - if (_etags) - { - // simple handling of only a single etag - String ifnm = request.getHeader(HttpHeaders.IF_NONE_MATCH); - etag=resource.getWeakETag(); - if (ifnm!=null && resource!=null && ifnm.equals(etag)) - { - response.setStatus(HttpStatus.NOT_MODIFIED_304); - baseRequest.getResponse().getHttpFields().put(HttpHeaders.ETAG_BUFFER,etag); - return; - } - } - - - if (last_modified>0) - { - long if_modified=request.getDateHeader(HttpHeaders.IF_MODIFIED_SINCE); - if (if_modified>0 && last_modified/1000<=if_modified/1000) - { - response.setStatus(HttpStatus.NOT_MODIFIED_304); - return; - } - } + // set some headers + long last_modified=resource.lastModified(); + String etag=null; + if (_etags) + { + // simple handling of only a single etag + String ifnm = request.getHeader(HttpHeaders.IF_NONE_MATCH); + etag=resource.getWeakETag(); + if (ifnm!=null && resource!=null && ifnm.equals(etag)) + { + response.setStatus(HttpStatus.NOT_MODIFIED_304); + baseRequest.getResponse().getHttpFields().put(HttpHeaders.ETAG_BUFFER,etag); + return; + } + } + + + if (last_modified>0) + { + long if_modified=request.getDateHeader(HttpHeaders.IF_MODIFIED_SINCE); + if (if_modified>0 && last_modified/1000<=if_modified/1000) + { + response.setStatus(HttpStatus.NOT_MODIFIED_304); + return; + } + } - Buffer mime=_mimeTypes.getMimeByExtension(resource.toString()); - if (mime==null) - mime=_mimeTypes.getMimeByExtension(request.getPathInfo()); + Buffer mime=_mimeTypes.getMimeByExtension(resource.toString()); + if (mime==null) + mime=_mimeTypes.getMimeByExtension(request.getPathInfo()); - // set the headers - doResponseHeaders(response,resource,mime!=null?mime.toString():null); - response.setDateHeader(HttpHeaders.LAST_MODIFIED,last_modified); - if (_etags) - baseRequest.getResponse().getHttpFields().put(HttpHeaders.ETAG_BUFFER,etag); - - if(skipContentBody) - return; - // Send the content - OutputStream out =null; - try {out = response.getOutputStream();} - catch(IllegalStateException e) {out = new WriterOutputStream(response.getWriter());} + // set the headers + doResponseHeaders(response,resource,mime!=null?mime.toString():null); + response.setDateHeader(HttpHeaders.LAST_MODIFIED,last_modified); + if (_etags) + baseRequest.getResponse().getHttpFields().put(HttpHeaders.ETAG_BUFFER,etag); + + if(skipContentBody) + return; + // Send the content + OutputStream out =null; + try {out = response.getOutputStream();} + catch(IllegalStateException e) {out = new WriterOutputStream(response.getWriter());} - // See if a short direct method can be used? - if (out instanceof AbstractHttpConnection.Output) - { - // TODO file mapped buffers - ((AbstractHttpConnection.Output)out).sendContent(resource.getInputStream()); - } - else - { - // Write content normally - resource.writeTo(out,0,resource.length()); - } - } + // See if a short direct method can be used? + if (out instanceof AbstractHttpConnection.Output) + { + // TODO file mapped buffers + ((AbstractHttpConnection.Output)out).sendContent(resource.getInputStream()); + } + else + { + // Write content normally + resource.writeTo(out,0,resource.length()); + } + } - /* ------------------------------------------------------------ */ - protected void doDirectory(HttpServletRequest request,HttpServletResponse response, Resource resource) - throws IOException - { - if (_directory) - { - String listing = resource.getListHTML(request.getRequestURI(),request.getPathInfo().lastIndexOf("/") > 0); - response.setContentType("text/html; charset=UTF-8"); - response.getWriter().println(listing); - } - else - response.sendError(HttpStatus.FORBIDDEN_403); - } + /* ------------------------------------------------------------ */ + protected void doDirectory(HttpServletRequest request,HttpServletResponse response, Resource resource) + throws IOException + { + if (_directory) + { + String listing = resource.getListHTML(request.getRequestURI(),request.getPathInfo().lastIndexOf("/") > 0); + response.setContentType("text/html; charset=UTF-8"); + response.getWriter().println(listing); + } + else + response.sendError(HttpStatus.FORBIDDEN_403); + } - /* ------------------------------------------------------------ */ - /** Set the response headers. - * This method is called to set the response headers such as content type and content length. - * May be extended to add additional headers. - * @param response - * @param resource - * @param mimeType - */ - protected void doResponseHeaders(HttpServletResponse response, Resource resource, String mimeType) - { - if (mimeType!=null) - response.setContentType(mimeType); + /* ------------------------------------------------------------ */ + /** Set the response headers. + * This method is called to set the response headers such as content type and content length. + * May be extended to add additional headers. + * @param response + * @param resource + * @param mimeType + */ + protected void doResponseHeaders(HttpServletResponse response, Resource resource, String mimeType) + { + if (mimeType!=null) + response.setContentType(mimeType); - long length=resource.length(); + long length=resource.length(); - if (response instanceof Response) - { - HttpFields fields = ((Response)response).getHttpFields(); + if (response instanceof Response) + { + HttpFields fields = ((Response)response).getHttpFields(); - if (length>0) - fields.putLongField(HttpHeaders.CONTENT_LENGTH_BUFFER,length); + if (length>0) + fields.putLongField(HttpHeaders.CONTENT_LENGTH_BUFFER,length); - if (_cacheControl!=null) - fields.put(HttpHeaders.CACHE_CONTROL_BUFFER,_cacheControl); - } - else - { - if (length>0) - response.setHeader(HttpHeaders.CONTENT_LENGTH,Long.toString(length)); + if (_cacheControl!=null) + fields.put(HttpHeaders.CACHE_CONTROL_BUFFER,_cacheControl); + } + else + { + if (length>0) + response.setHeader(HttpHeaders.CONTENT_LENGTH,Long.toString(length)); - if (_cacheControl!=null) - response.setHeader(HttpHeaders.CACHE_CONTROL,_cacheControl.toString()); - } + if (_cacheControl!=null) + response.setHeader(HttpHeaders.CACHE_CONTROL,_cacheControl.toString()); + } - } + } }