What does the ValueStackInterceptor do?
2017-08-02 16:23 GMT+02:00 Rubens Gomes <rubens_go...@hotmail.com>:
> I noticed that the request_locale was not found, and that's fine. However,
> the pageUrl was found in the HttpParameters and it is not being set on the
> action. Below is the Action class and struts.xml:
>
>
> @SuppressWarnings("serial")
> @Results( {
> @Result(name=Action.INPUT,
> location="/WEB-INF/content/${device}/error.jsp",
> type="dispatcher"),
> @Result(name=Action.SUCCESS,
> location="${redirectURL}",
> type="redirect")
> } )
> public class ChangeLocaleAction extends BaseAction
> {
> private String pageUrl;
>
>
> public ChangeLocaleAction()
> {
> super();
> }
>
>
> @Override
> public void validate()
> {
>
> if(StringUtils.isBlank(pageUrl))
> {
> addActionError( getText("error.urlmissing") );
> }
>
> }
>
>
> @Override
> public String execute()
> {
>
> try
> {
> pageUrl = URLDecoder.decode(pageUrl, "UTF-8");
> HttpServletRequest request = getRequest();
>
> if(request == null)
> {
> throw new IllegalArgumentException("HTTP request not found.");
> }
>
> /*
> * The redirect automatically inserts the context path. We need
> * to remove the context path in redirectURL to prevent duplicate
> * contextPaths in the redirect.
> */
> String contextPath = request.getContextPath();
>
> if (pageUrl.startsWith(contextPath))
> {
> pageUrl = pageUrl.replaceFirst(contextPath, "");
> logger.debug("redirectURL set to [{}]", pageUrl);
> }
>
> }
> catch(UnsupportedEncodingException ex)
> {
> throw new RuntimeException("error decoding url: " + pageUrl, ex);
> }
>
> return SUCCESS;
> }
>
>
> /**
> * @return the pageUrl
> */
> public String getPageUrl()
> {
> return pageUrl;
> }
>
>
> /**
> * @param pageUrl the pageUrl to set
> */
> public void setPageUrl(String pageUrl)
> {
> this.pageUrl = pageUrl;
> }
>
>
> }
>
>
>
> <?xml version="1.0" encoding="UTF-8" ?>
> <!DOCTYPE struts PUBLIC
> "-//Apache Software Foundation//DTD Struts Configuration 2.5//EN"
> "http://struts.apache.org/dtds/struts-2.5.dtd";>
>
> <struts>
> <constant name="struts.devMode" value="true" />
>
> <constant name="struts.action.extension" value="do" />
>
> <constant name="struts.convention.action.packages"
> value="com.ezlista.web.struts2.action" />
> <constant name="struts.convention.classes.reload" value="true" />
> <constant name="struts.convention.default.parent.package"
> value="ezlista-package" />
> <constant name="struts.convention.package.locators" value="action" />
> <constant name="struts.convention.package.locators.basePackage"
> value="com.ezlista.web.struts2" />
> <constant name="struts.convention.result.path" value="/WEB-INF/content/"/>
>
> <constant name="struts.custom.i18n.resources" value="messages" />
>
> <constant name="struts.date.format" value="dd/MM/yyyy hh:mm" />
>
> <constant name="struts.freemarker.templatesCache" value="true" />
>
> <constant name="struts.i18n.encoding" value="UTF-8" />
>
> <constant name="struts.serve.static" value="true" />
>
> <constant name="struts.ui.theme" value="simple" />
> <constant name="struts.ui.templateDir" value="template" />
>
>
> <package name="ezlista-package" extends="json-default">
>
> <interceptors>
>
> <interceptor name="valueStack"
>
> class="com.ezlista.web.struts2.interceptor.ValueStackInterceptor" />
>
> <interceptor-stack name="ezlistaStack">
> <interceptor-ref name="valueStack" />
> <interceptor-ref name="defaultStack">
> <param name="exception.logEnabled">true</param>
> <param name="exception.logLevel">ERROR</param>
> <param name="exception.logCategory">com.ezlista</param>
> <param
> name="params.excludeParams">dojo\..*,^struts\..*,^session\..*,^request\..*,^application\..*,^servlet(Request|Response)\..*,parameters\...*,^_csrf</param>
> </interceptor-ref>
> </interceptor-stack>
>
> </interceptors>
>
> <default-interceptor-ref name="ezlistaStack" />
>
> <default-action-ref name="default-action" />
>
> <global-results>
> <result name="login" type="redirectAction">/view-login.do</result>
> <result name="error">/WEB-INF/content/${device}/error.jsp</result>
> <result name="exception">/WEB-INF/content/${device}/error.jsp</result>
> <result name="warning">/WEB-INF/content/${device}/warning.jsp</result>
> </global-results>
>
> <global-exception-mappings>
> <exception-mapping exception="java.lang.Exception" result="exception" />
> </global-exception-mappings>
>
> <action name="default-action"
> class="com.ezlista.web.struts2.action.DefaultAction" />
>
> </package>
>
>
> <package name="home" extends="ezlista-package" namespace="/">
>
> <action name="about" class="com.ezlista.web.struts2.action.DummyAction">
> <result>/WEB-INF/content/${device}/about.jsp</result>
> </action>
>
> <action name="help" class="com.ezlista.web.struts2.action.DummyAction">
> <result>/WEB-INF/content/${device}/help.jsp</result>
> </action>
>
> <action name="language-help"
> class="com.ezlista.web.struts2.action.DummyAction">
> <result>/WEB-INF/content/${device}/language-help.jsp</result>
> </action>
>
> <action name="pending-email-help"
> class="com.ezlista.web.struts2.action.DummyAction">
> <result>/WEB-INF/content/${device}/pending-email-help.jsp</result>
> </action>
>
> <action name="privacy" class="com.ezlista.web.struts2.action.DummyAction">
> <result>/WEB-INF/content/${device}/privacy.jsp</result>
> </action>
>
> <action name="remember-help"
> class="com.ezlista.web.struts2.action.DummyAction">
> <result>/WEB-INF/content/${device}/remember-help.jsp</result>
> </action>
>
> <action name="terms" class="com.ezlista.web.struts2.action.DummyAction">
> <result>/WEB-INF/content/${device}/terms.jsp</result>
> </action>
>
> <action name="terms-service"
> class="com.ezlista.web.struts2.action.DummyAction">
> <result>/WEB-INF/content/${device}/terms-service.jsp</result>
> </action>
>
> <action name="view-session-timeout"
> class="com.ezlista.web.struts2.action.DummyAction">
> <result>/WEB-INF/content/${device}/session-timeout.jsp</result>
> </action>
>
> </package>
>
>
> </struts>
>
>
>
>
>
>
>
>
> ________________________________________
> From: Lukasz Lenart <lukaszlen...@apache.org>
> Sent: Wednesday, August 2, 2017 5:01 AM
> To: Struts Users Mailing List
> Subject: Re: Request Parameter not being set on Action
>
> 2017-08-02 8:34 GMT+02:00 Rubens Gomes <rubens_go...@hotmail.com>:
>> The request below is sent , but the parameters (request_locale/pageUrl) are
>> not set on the action.
>>
>> http://localhost:8080/change-locale.do?request_locale=en&pageUrl=%2Fview-login.do
>
> The "request_locale" parameter is a special parameter that tells
> I18NInterceptor to change locale, it will be removed after that so you
> cannot access it in an action.
> If you need to access locale in an action and assuming your extending
> the ActionSupport class just call the "getLocale()" method.
>
> Regarding the "pageUrl" parameter, can you start with a simple
> example? Or maybe post your struts.xml plus an action's class?
>
>
>
> Regards
> --
> Łukasz
> + 48 606 323 122 http://www.lenart.org.pl/
>
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