Page.java

import java.util.ArrayList;
import java.util.List;
import java.lang.Math;;

public class Page<T> {
  public Page(List<T> list,int pageIndex,int pageSize,int totalCount,int labelCount)
	{
		this.setPageLabelCount(labelCount);
		this.setList(list);
		this.setPageIndex(pageIndex);
		this.setPageSize(pageSize);
		this.setTotalCount(totalCount);
	}
	
	private int pageSize = 1;
	private int pageIndex = 1;
	private int totalCount = 1;
	private List<T> list = null;
    private int pageLabelCount = 4;
	public int getPageSize() {
		return pageSize;
	}
	public void setPageSize(int pageSize) {
		this.pageSize = pageSize;
	}
	public int getPageIndex() {
		return pageIndex;
	}
	public void setPageIndex(int pageIndex) {
		this.pageIndex = pageIndex;
	}
	public int getTotalCount() {
		return totalCount;
	}
	public void setTotalCount(int totalCount) {
		this.totalCount = totalCount;
	}
	public List<T> getList() {
		return list;
	}
	public void setList(List<T> list) {
		this.list = list;
	}
	public int getPageLabelCount() {
		return pageLabelCount;
	}
	public void setPageLabelCount(int pageLabelCount) {
		this.pageLabelCount = pageLabelCount;
	}
	
    public int getTotalPage(){
    	return (int)Math.ceil(getTotalCount() / (double)getPageSize()) <= 0 ? 1 : (int)Math.ceil(getTotalCount() / (double)getPageSize());
    }
    
    public Integer[] getPageLabels(){
    	List<Integer> list = new ArrayList<Integer>();
    	
    	setPageIndex(getPageIndex() > getTotalPage() ? getTotalPage() : getPageIndex());

        if (pageLabelCount == 1)
        {
            return new Integer[] { getPageIndex() };
        }

        int startPage = 0;
        int endPage = 0;

        if (getPageLabelCount() == 2)
        {
            startPage = getPageIndex() == getTotalPage() ? getPageIndex() - 1 : getPageIndex();
            startPage = startPage < 1 ? 1 : startPage;

            endPage = startPage + 1;
            endPage = endPage > getTotalPage() ? getTotalPage() : endPage;
        }
        else if (getPageLabelCount() % 2 == 0)
        {
            int labelPage = (int)Math.floor((this.getPageIndex() - 2) / (double)(this.getPageLabelCount() - 2)) + 1;
            
            startPage = (labelPage - 1) * (this.getPageLabelCount() - 2) + 1;
            
            startPage = startPage < 1 ? 1 : startPage;
            startPage = startPage > getTotalPage() ? getTotalPage() : startPage;

            endPage = startPage + getPageLabelCount() - 1;
            endPage = endPage > getTotalPage() ? getTotalPage() : endPage;
            endPage = endPage < 1 ? 1 : endPage;
        }
        else
        {
            startPage = getPageIndex() - ((getPageLabelCount() - 1) / 2);
            startPage = startPage < 1 ? 1 : startPage;
            startPage = startPage > getTotalPage() ? getTotalPage() : startPage;

            endPage = startPage + getPageLabelCount() - 1;
            endPage = endPage > getTotalPage() ? getTotalPage() : endPage;
            endPage = endPage < 1 ? 1 : endPage;
        }

        for (int i = startPage; i <= endPage; i++)
        {
            list.add(i);
        }
    	
    	Integer[] intList = new Integer[this.list.size()];
    	return list.toArray(intList);
    }
    
}