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marți, 24 martie 2015

[OmniFaces utilities (2.0)] Get the HTTP request servlet path


[OmniFaces utilities] The getRequestServletPath() method returns the HTTP request servlet path. If JSF is prefix mapped (e.g. /faces/*), then this returns the whole prefix mapping (e.g. /faces). If JSF is suffix mapped (e.g. *.xhtml), then this returns the whole part after the context path, with a leading slash.

Method:
See also: Faces#getContext()
Usage:

Prefix mapped:

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.1" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd">
 <context-param>
  <param-name>javax.faces.PROJECT_STAGE</param-name>
  <param-value>Development</param-value>
 </context-param>
<servlet>
  <servlet-name>Faces Servlet</servlet-name>
  <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
  <load-on-startup>1</load-on-startup>
 </servlet>
 <servlet-mapping>
  <servlet-name>Faces Servlet</servlet-name>
  <url-pattern>/faces/*</url-pattern>
 </servlet-mapping>
 <session-config>
  <session-timeout>
   30
  </session-timeout>
 </session-config>
 <welcome-file-list>
  <welcome-file>faces/index.xhtml</welcome-file>
 </welcome-file-list>
</web-app>

import org.omnifaces.util.Faces;
...
// requestServletPath will be /faces
String requestServletPath = Faces.getRequestServletPath();

Suffix mapped:

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.1" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd">
 <context-param>
  <param-name>javax.faces.PROJECT_STAGE</param-name>
  <param-value>Development</param-value>
 </context-param>
<servlet>
  <servlet-name>Faces Servlet</servlet-name>
  <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
  <load-on-startup>1</load-on-startup>
 </servlet>
 <servlet-mapping>
  <servlet-name>Faces Servlet</servlet-name>
  <url-pattern>*.xhtml</url-pattern>
 </servlet-mapping>
 <session-config>
  <session-timeout>
   30
  </session-timeout>
 </session-config>
 <welcome-file-list>
  <welcome-file>index.xhtml</welcome-file>
 </welcome-file-list>
</web-app>

import org.omnifaces.util.Faces;
...
// requestServletPath  may be /index.xhtml
String requestServletPath = Faces.getRequestServletPath();

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