code: public void setDateReleased(String resourcename, long dateReleased, boolean recursive) throws CmsException {
  
          CmsResource resource = readResource(resourcename, CmsResourceFilter.IGNORE_EXPIRATION);
          setDateReleased(resource, dateReleased, recursive);
      }
docs: Changes the "release" date of a resource.<p>
  
  @param resourcename the name of the resource to change (full current site relative path)
  @param dateReleased the new release date of the changed resource
  @param recursive if this operation is to be applied recursively to all resources in a folder
  
  @throws CmsException if something goes wrong