todoimpl.java

ext yui dwr结合的工程

package com.scottwalter.sandbox.bsl.impl;

import com.scottwalter.sandbox.bsl.ToDo;

import java.util.Iterator;
import java.util.List;
import java.util.ArrayList;
import java.util.Map;

import com.scottwalter.sandbox.model.ToDoItem;
import com.scottwalter.sandbox.model.ListRange;
import com.scottwalter.sandbox.model.Author;
public class ToDoImpl implements ToDo {
	private static List ls = new ArrayList();
	static{
		for (int i = 0; i < 20; i++) {
			ls.add(new ToDoItem(i,"item"+i,new Author("Scott", "Walter")));
		}
	}
	
	public ListRange getItems(Map condition) {
		int start = Integer.parseInt(condition.get("start").toString());
		int limit = Integer.parseInt(condition.get("limit").toString());
		System.out.println("start=" + start + ";limit=" +limit+ ";sort=" + condition.get("sort") + ";dir=" + condition.get("dir"));
		System.out.println("param1=" + condition.get("param1") + ";param2=" + condition.get("param2"));
		ListRange listRange = new ListRange();
		List result = new ArrayList();
		int rows = start+limit>ls.size()?ls.size():start+limit;
		for (int i = start; i < rows; i++) {
			result.add(ls.get(i));
		}
		
		listRange.setData(result.toArray());
		listRange.setTotalSize(ls.size());
		
		return listRange;
		
	}
}