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POJSF 2.0. Unable to get POST parameters and cookies in preRenderView event handler
 

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  1. POJSF 2.0. Unable to get POST parameters and cookies in preRenderView event handler
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    <p>I am trying to develop a service.</p> <p>The point is that my index.xhtml should get parameters (either POST and GET) and cookies from HTTP Request. </p> <p>I tried combination with <code>&lt;f:metadata&gt;</code> and <code>&lt;f:event type="preRenderView"&gt;</code> like this:</p> <pre class="lang-xml prettyprint-override"><code>&lt;f:metadata&gt; &lt;f:event type="preRenderView" listener="#{deConversation.start}"/&gt; &lt;/f:metadata&gt; </code></pre> <p>Code for deConversation.start:</p> <pre class="lang-java prettyprint-override"><code>public void start(ComponentSystemEvent event) { System.out.println("checkLogin"); HttpServletRequest request = SsoHelper.getRequest(); String requestSessId = SsoHelper.getRequestSessionId(request); String requestRedirect = SsoHelper.getRequestRedirect(request); System.out.println("sessId " + requestSessId); if (requestRedirect == null || requestRedirect.isEmpty()) { requestRedirect = "self"; } if (requestSessId != null) { trySessId(requestSessId, requestRedirect); } externalResourcesHandler.setExternalRedirect(requestRedirect); tryToBeginConversation(); if (!isAuthorized()) { SsoHelper.performNavigation("auth"); } } </code></pre> <p>SsoHelper just provides api like this:</p> <pre class="lang-java prettyprint-override"><code>public static String getRequestSessionId(HttpServletRequest request) { Map&lt;String, Object&gt; cookieMap = FacesContext.getCurrentInstance().getExternalContext().getRequestCookieMap(); String requestDeSessionId = null; if (cookieMap.containsKey("de_session_id")) { requestDeSessionId = ((Cookie) cookieMap.get("de_session_id")).getValue(); } return requestDeSessionId; } public static String getRequestRedirect(HttpServletRequest request) { return getRequestParam(request, "redirect", "self"); } public static String getRequestExternalCss(HttpServletRequest request) { return getRequestParam(request, "externalcss", null); } public static String getRequestParam(HttpServletRequest request, String name, String defaultValue) { String[] paramValues = HttpServletRequestHelper.getParamValues(request, name); String paramValue = null; if (paramValues != null &amp;&amp; paramValues.length != 0) { paramValue = paramValues[0]; } if(paramValue == null){ paramValue = defaultValue; } return paramValue; } public static HttpServletRequest getRequest() { return (HttpServletRequest) FacesContext.getCurrentInstance().getExternalContext().getRequest(); } public static void performNavigation(String destination) { FacesContext context = FacesContext.getCurrentInstance(); ConfigurableNavigationHandler handler = (ConfigurableNavigationHandler) context.getApplication().getNavigationHandler(); handler.performNavigation(destination); } </code></pre> <p>The point is that I could not get any POST parameters or cookie in method start(). I can get only GET parameters.</p> <p>Is there any possibilty to read cookies and POST parameters using <code>&lt;f:event type="preRenderView"&gt;</code>?</p>
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    1. COYou can do it [in this way](http://stackoverflow.com/questions/550448/get-request-and-session-parameters-and-attributes-from-jsf-pages] but I think you should consider before [some recommendations](https://forums.oracle.com/forums/thread.jspa?threadID=2218557). Regards,
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      1. USRodmar Conde
 

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