List of usage examples for javax.servlet.http HttpServletResponse isCommitted
public boolean isCommitted();
From source file:org.apache.roller.weblogger.ui.core.filters.DebugFilter.java
public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException { HttpServletRequest request = (HttpServletRequest) req; HttpServletResponse response = (HttpServletResponse) res; log.info("ENTERING " + request.getRequestURL()); // some info about the request and response log.info("Response Object:"); log.info(" isCommited = " + response.isCommitted()); log.info(" bufferSize = " + response.getBufferSize()); log.info(""); chain.doFilter(request, response);/* ww w . j a v a2s. c om*/ log.info("EXITING " + request.getRequestURL()); // some info about the request and response log.info("Response Object:"); log.info(" isCommited = " + response.isCommitted()); log.info(" bufferSize = " + response.getBufferSize()); log.info(""); }
From source file:org.vaadin.spring.security.shared.AbstractVaadinAuthenticationTargetUrlRequestHandler.java
/** * Invokes the configured {@code RedirectStrategy} with the URL returned by the {@code determineTargetUrl} method. * <p/>/*from w w w . java 2 s. c o m*/ * The redirect will not be performed if the response has already been committed. */ protected void handle(Authentication authentication) throws IOException, ServletException { HttpServletRequest request = http.getCurrentRequest(); HttpServletResponse response = http.getCurrentResponse(); String targetUrl = determineTargetUrl(request, response); if (response.isCommitted()) { logger.debug("Response has already been committed. Unable to redirect to " + targetUrl); return; } else { logger.debug("Redirecting to " + targetUrl); } redirectStrategy.sendRedirect(targetUrl); }
From source file:com.hzc.framework.ssh.controller.WebUtil.java
/** * ??JSP_PATH?/* w w w.j a v a 2 s. c o m*/ * ? * * @throws ServletException * @throws IOException */ private static void forward() throws RuntimeException { try { HttpServletRequest request = ActionContext.getReq(); HttpServletResponse response = ActionContext.getResp(); if (response.isCommitted()) { return; } String jspPath = null; String jspPathParam = request.getParameter(JSP_PATH); if (StringUtils.isEmpty(jspPathParam)) { Object jspPathObjAttr = request.getAttribute(JSP_PATH); if (null == jspPathObjAttr) { Object jspPathObjSess = request.getSession().getAttribute(JSP_PATH); if (null != jspPathObjSess) { jspPath = (String) jspPathObjSess; } } else { jspPath = (String) jspPathObjAttr; } } else { jspPath = jspPathParam; } if (null == jspPath) { throw new ServletException( "????jspPath?"); } request.getRequestDispatcher(jspPath).forward(request, response); } catch (Exception e) { throw new RuntimeException(e); } }
From source file:org.grails.plugins.zkui.metaclass.RedirectDynamicMethod.java
@SuppressWarnings({ "unchecked", "rawtypes" })
@Override/*from w w w .jav a 2s. c om*/
public Object invoke(Object target, String methodName, Object[] arguments) {
if (arguments.length == 0) {
throw new MissingMethodException(METHOD_SIGNATURE, target.getClass(), arguments);
}
Map argMap = arguments[0] instanceof Map ? (Map) arguments[0] : Collections.EMPTY_MAP;
if (argMap.isEmpty()) {
throw new MissingMethodException(METHOD_SIGNATURE, target.getClass(), arguments);
}
GrailsWebRequest webRequest = (GrailsWebRequest) RequestContextHolder.currentRequestAttributes();
HttpServletRequest request = webRequest.getCurrentRequest();
if (request.getAttribute(GRAILS_REDIRECT_ISSUED) != null) {
throw new CannotRedirectException(
"Cannot issue a redirect(..) here. A previous call to redirect(..) has already redirected the response.");
}
HttpServletResponse response = webRequest.getCurrentResponse();
if (response.isCommitted()) {
throw new CannotRedirectException(
"Cannot issue a redirect(..) here. The response has already been committed either by another redirect or by directly writing to the response.");
}
Object uri = argMap.get(ARGUMENT_URI);
String url = argMap.containsKey(ARGUMENT_URL) ? argMap.get(ARGUMENT_URL).toString() : null;
String actualUri;
if (uri != null) {
GrailsApplicationAttributes attrs = webRequest.getAttributes();
actualUri = attrs.getApplicationUri(request) + uri.toString();
} else if (url != null) {
actualUri = url;
} else {
if (argMap.get(ARGUMENT_ACTION) == null || argMap.get(ARGUMENT_CONTROLLER) == null) {
throw new CannotRedirectException(
"redirect required attribute [controller] or attribute [action] is missing");
}
String actionName = argMap.get(ARGUMENT_ACTION).toString();
String controllerName = argMap.get(ARGUMENT_CONTROLLER).toString();
controllerName = controllerName != null ? controllerName : webRequest.getControllerName();
Map params = (Map) argMap.get(ARGUMENT_PARAMS);
if (params == null) {
params = new HashMap();
}
if (LOG.isDebugEnabled()) {
LOG.debug("Dynamic method [redirect] looking up URL mapping for controller [" + controllerName
+ "] and action [" + actionName + "] and params [" + params + "] with [" + urlMappingsHolder
+ "]");
}
Object id = argMap.get(ARGUMENT_ID);
try {
if (id != null) {
params.put(ARGUMENT_ID, id);
}
UrlCreator urlMapping = urlMappingsHolder.getReverseMapping(controllerName, actionName, params);
if (urlMapping == null && LOG.isDebugEnabled()) {
LOG.debug("Dynamic method [redirect] no URL mapping found for params [" + params + "]");
}
String frag = argMap.get(ARGUMENT_FRAGMENT) != null ? argMap.get(ARGUMENT_FRAGMENT).toString()
: null;
actualUri = urlMapping.createURL(controllerName, actionName, params, request.getCharacterEncoding(),
frag);
if (LOG.isDebugEnabled()) {
LOG.debug("Dynamic method [redirect] mapped to URL [" + actualUri + "]");
}
} finally {
if (id != null) {
params.remove(ARGUMENT_ID);
}
}
}
return redirectResponse(actualUri, request, response);
}
From source file:net.unicon.academus.apps.download.DownloadServiceServlet.java
private void renderErrorMsg(HttpServletResponse res, String errorMsg) { // Check if response is not already committed before // writing out the error page if (!res.isCommitted()) { StringBuffer errorPage = new StringBuffer(256); errorPage.append("<html>"); errorPage.append("<head><title>"); errorPage.append("Download failure"); errorPage.append("</title></head>"); errorPage.append("<body>"); errorPage.append(errorMsg);//from w w w.j av a 2s .com errorPage.append("</body>"); errorPage.append("</html>"); try { res.getWriter().write(errorPage.toString()); } catch (IOException ioe) { log.error("Failed to render error page", ioe); } } }
From source file:org.codehaus.groovy.grails.web.metaclass.RedirectDynamicMethod.java
@SuppressWarnings({ "unchecked", "rawtypes" })
@Override//from w w w . j a v a 2s .co m
public Object invoke(Object target, String methodName, Object[] arguments) {
if (arguments.length == 0) {
throw new MissingMethodException(METHOD_SIGNATURE, target.getClass(), arguments);
}
Map argMap = arguments[0] instanceof Map ? (Map) arguments[0] : Collections.EMPTY_MAP;
if (argMap.isEmpty()) {
throw new MissingMethodException(METHOD_SIGNATURE, target.getClass(), arguments);
}
GrailsWebRequest webRequest = (GrailsWebRequest) RequestContextHolder.currentRequestAttributes();
LinkGenerator requestLinkGenerator = getLinkGenerator(webRequest);
HttpServletRequest request = webRequest.getCurrentRequest();
if (request.getAttribute(GRAILS_REDIRECT_ISSUED) != null) {
throw new CannotRedirectException(
"Cannot issue a redirect(..) here. A previous call to redirect(..) has already redirected the response.");
}
HttpServletResponse response = webRequest.getCurrentResponse();
if (response.isCommitted()) {
throw new CannotRedirectException(
"Cannot issue a redirect(..) here. The response has already been committed either by another redirect or by directly writing to the response.");
}
if (target instanceof GroovyObject) {
GroovyObject controller = (GroovyObject) target;
// if there are errors add it to the list of errors
Errors controllerErrors = (Errors) controller.getProperty(ControllerDynamicMethods.ERRORS_PROPERTY);
Errors errors = (Errors) argMap.get(ARGUMENT_ERRORS);
if (controllerErrors != null && errors != null) {
controllerErrors.addAllErrors(errors);
} else {
controller.setProperty(ControllerDynamicMethods.ERRORS_PROPERTY, errors);
}
Object action = argMap.get(GrailsControllerClass.ACTION);
if (action != null) {
argMap.put(GrailsControllerClass.ACTION, establishActionName(action, controller));
}
if (!argMap.containsKey(GrailsControllerClass.NAMESPACE_PROPERTY)) {
// this could be made more efficient if we had a reference to the GrailsControllerClass object, which
// has the namespace property accessible without needing reflection
argMap.put(GrailsControllerClass.NAMESPACE_PROPERTY, GrailsClassUtils
.getStaticFieldValue(controller.getClass(), GrailsControllerClass.NAMESPACE_PROPERTY));
}
}
boolean permanent = DefaultGroovyMethods.asBoolean(argMap.get(ARGUMENT_PERMANENT));
// we generate a relative link with no context path so that the absolute can be calculated by combining the serverBaseURL
// which includes the contextPath
argMap.put(LinkGenerator.ATTRIBUTE_CONTEXT_PATH, BLANK);
return redirectResponse(requestLinkGenerator.getServerBaseURL(), requestLinkGenerator.link(argMap), request,
response, permanent);
}
From source file:de.steilerdev.myVerein.server.security.rest.RestLogoutSuccessHandler.java
@Override public void onLogoutSuccess(HttpServletRequest request, HttpServletResponse response, Authentication authentication) throws IOException, ServletException { User currentUser = (User) authentication.getPrincipal(); logger.info("[{}] Successfully logged user out from IP {}", currentUser, SecurityHelper.getClientIpAddr(request)); if (!response.isCommitted()) { response.sendError(HttpServletResponse.SC_OK, "Successfully logged out"); }//from w w w . ja va2 s. c om }
From source file:org.jahia.bin.errors.ErrorServlet.java
protected void process(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { if (response.isCommitted()) { logger.warn("Response is already committed. Skipping error processing."); return;/* w w w.j a v a 2s. co m*/ } int errorCode = getErrorCode(request); if (errorCode == HttpServletResponse.SC_UNAUTHORIZED) { String redirectUrl = LoginConfig.getInstance().getCustomLoginUrl(request); if (redirectUrl != null) { response.sendRedirect(response.encodeRedirectURL(redirectUrl)); return; } } response.setStatus(errorCode); response.setContentType("text/html; charset=" + SettingsBean.getInstance().getCharacterEncoding()); response.resetBuffer(); String errorPagePath = getErrorPagePath(request, response); forwardToErrorPage(errorPagePath, request, response); }
From source file:com.parakhcomputer.web.servlet.view.tiles2.DynamicTilesViewProcessor.java
/** * Renders output using Tiles./* w ww . j av a 2 s . com*/ */ protected void renderMergedOutputModel(String beanName, String url, ServletContext servletContext, HttpServletRequest request, HttpServletResponse response, TilesContainer container) throws Exception { JstlUtils.exposeLocalizationContext(new RequestContext(request, servletContext)); if (!response.isCommitted()) { // Tiles is going to use a forward, but some web containers (e.g. // OC4J 10.1.3) // do not properly expose the Servlet 2.4 forward request // attributes... However, // must not do this on Servlet 2.5 or above, mainly for GlassFish // compatibility. if (servletContext.getMajorVersion() == 2 && servletContext.getMinorVersion() < 5) { WebUtils.exposeForwardRequestAttributes(request); } } String definitionName = startDynamicDefinition(beanName, url, request, response, container); container.render(definitionName, request, response); endDynamicDefinition(definitionName, beanName, request, response, container); }
From source file:nl.tue.gale.ae.LoginServlet.java
@Override protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { LoginManager login = (LoginManager) getApplicationContext().getBean("loginManager"); ProcessorManager pm = (ProcessorManager) getApplicationContext().getBean("processorManager"); login.doLoginPage(pm.createResource(req, resp)); if (!resp.isCommitted()) resp.sendError(501);/* w w w . j av a2 s . c o m*/ }