Pagination with REST - the Discoverability Listener

PaginationDiscoverability.java

void addLinkHeaderOnPagedResourceRetrieval( 
 UriComponentsBuilder uriBuilder, HttpServletResponse response, 
 Class clazz, int page, int totalPages, int size ){
   
   String resourceName = clazz.getSimpleName().toString().toLowerCase();
   uriBuilder.path( "/admin/" + resourceName );
   
   StringBuilder linkHeader = new StringBuilder();
   if( hasNextPage( page, totalPages ) ){
      String uriNextPage = constructNextPageUri( uriBuilder, page, size );
      linkHeader.append( createLinkHeader( uriForNextPage, REL_NEXT ) );
   }
   if( hasPreviousPage( page ) ){
      String uriPrevPage = constructPrevPageUri( uriBuilder, page, size );
      appendCommaIfNecessary( linkHeader );
      linkHeader.append( createLinkHeader( uriForPrevPage, REL_PREV ) );
   }
   if( hasFirstPage( page ) ){
      String uriFirstPage = constructFirstPageUri( uriBuilder, size );
      appendCommaIfNecessary( linkHeader );
      linkHeader.append( createLinkHeader( uriForFirstPage, REL_FIRST ) );
   }
   if( hasLastPage( page, totalPages ) ){
      String uriLastPage = constructLastPageUri( uriBuilder, totalPages, size );
      appendCommaIfNecessary( linkHeader );
      linkHeader.append( createLinkHeader( uriForLastPage, REL_LAST ) );
   }
   response.addHeader( HttpConstants.LINK_HEADER, linkHeader.toString() );
}

This gist is used in:
http://www.baeldung.com/2012/01/18/rest-pagination-in-spring/