ThreadLocal object to store page and size info from the client UI to pass down to data access objects. or Anywhere.

PageRequestHandler.java

package com.perfectworldprogramming.eventgate.utils;

import org.springframework.data.domain.PageRequest;

/**
 * User: Mark Spritzler
 * Date: 2/5/12
 * Time: 10:32 AM
 */
public class PageRequestHandler {
    
    private static ThreadLocal<PageRequest> pageRequestThreadLocal = new ThreadLocal<PageRequest>();
    private static int defaultPageSize = 200;
    private static int defaultPage = 0;
    
    public static void setPageRequest(int page, int size) {
        PageRequest pageRequest = new PageRequest(page, size);
        pageRequestThreadLocal.set(pageRequest);
    }
    
    public static void setPageRequest(PageRequest pageRequest) {
        pageRequestThreadLocal.set(pageRequest);
    }
    
    public static PageRequest getPageRequest() {
        PageRequest pageRequest = pageRequestThreadLocal.get();
        if (pageRequest == null) {
            pageRequest = new PageRequest(defaultPage, defaultPageSize);
            setPageRequest(pageRequest);
        }
        return pageRequest;
    }
    
    public static void setDefaultPage(int page) {
        defaultPage = page;
    }

    public static void setDefaultPageSize(int pageSize) {
        pageSize = pageSize;
    }
}