How the Web app receives the put configuration

Hiddenhttpmethodfilter/httpputformcontentfilter

Hiddenhttpmethodfilter:hiddenhttpmethodfilter must act in front of dispatcher

<filter>      <filter-name>hiddenhttpmethodfilter</filter-name >      <filter-class> Org.springframework.web.filter.hiddenhttpmethodfilter</filter-class>    </filter >    <filter-mapping>      <filter-name> hiddenhttpmethodfilter</filter-name>      <servlet-name>spring</ servlet-name>    </filter-mapping>  <servlet>  < Servlet-name>spring</servlet-name>  <servlet-class> org.springframework.web.servlet.dispatcherservlet</servlet-class>  <init-param>   <param-name>contextconfiglocation</param-name>  <param-value>classpath: dispatcher.xml</param-value>  </init-param>  </servlet>  < Servlet-mapping>  <servlet-name>spring</servlet-name>  <url-pattern>*.html </url-pattern>  </servlet-mapping>

<form action= "..." method= "post" > <input type= "hidden" name= "_method" value= "put"/> ... </form>

Httpputformcontentfilter:

<filter> <filter-name>httpPutFormcontentFilter</filter-name> <filter-class>org.springfra Mework.web.filter.httpputformcontentfilter</filter-class> </filter> <filter-mapping> < Filter-name>httpputformcontentfilter</filter-name> <url-pattern>/*</url-pattern> </ Filter-mapping>

<form action= "" method= "put" enctype= "application/x-www-form-urlencoded" > ... </form>

How the Web app receives the put configuration