com.day.cq.wcm.foundation.forms

Class FormsHandlingServletHelper

java.lang.Object

com.day.cq.wcm.foundation.forms.FormsHandlingServletHelper

public class FormsHandlingServletHelper
extends Object

A helper for form handling. Note: this helper class needs to be publicly available as it is being used in the Core Component code base (in com.adobe.cq.wcm.core.components.internal.servlets.CoreFormHandlingServlet)

Constructor Summary

Constructors

Constructor and Description
FormsHandlingServletHelper(String[] parameterNameWhitelist, SaferSlingPostValidator validator, Set<String> formResourceTypes, boolean allowExpressions, FormStructureHelperFactory formStructureHelperFactory) A helper class for handling form POSTS.

Method Summary

Modifier and Type	Method and Description
void	doPost(SlingHttpServletRequest request, SlingHttpServletResponse response) Helper method which validates the submitted form and then forwards request to appropriate action handler.
void	handleFilter(ServletRequest request, ServletResponse response, FilterChain chain, String extensionToAdd, String selectorToAdd) Checks if resource in request if form type.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FormsHandlingServletHelper

public FormsHandlingServletHelper(String[] parameterNameWhitelist,
                                  SaferSlingPostValidator validator,
                                  Set<String> formResourceTypes,
                                  boolean allowExpressions,
                                  FormStructureHelperFactory formStructureHelperFactory)

A helper class for handling form POSTS.

Parameters:

parameterNameWhitelist - Parameter names that will pass request validation. A validation error will occur if any posted parameters are not in the whitelist and not defined on the form.

validator - SaferSlingPostValidator

formResourceTypes - sling resource types of forms which this class can handle

allowExpressions - True to evaluate expressions on form submissions. For details see FormsHelper.allowExpressions(SlingHttpServletRequest)

formStructureHelperFactory - Form structure helper

Method Detail

doPost

public void doPost(SlingHttpServletRequest request,
                   SlingHttpServletResponse response)
            throws IOException,
                   ServletException

Helper method which validates the submitted form and then forwards request to appropriate action handler.

Parameters:

request - SlingHttpServletRequest

response - SlingHttpServletResponse

Throws:

IOException - if post caused an error

ServletException - if post caused an error

handleFilter

public void handleFilter(ServletRequest request,
                         ServletResponse response,
                         FilterChain chain,
                         String extensionToAdd,
                         String selectorToAdd)
                  throws IOException,
                         ServletException

Checks if resource in request if form type. If yes, then adds passed selector and extension to the request.

Parameters:

request - ServletRequest

response - ServletResponse

chain - FilterChain

extensionToAdd - extension to be added to request eg. "html"

selectorToAdd - selector to be added to request.

Throws:

IOException - IOException

ServletException - ServletException