examplecreator.java

来自「lucene 是java 的版的搜索引擎公共模块」· Java 代码 · 共 34 行

package com.bitmechanic.listlib;

import javax.servlet.jsp.PageContext;
import java.util.*;

/**
 * Dummy example class that creates an ArrayList of HashMaps.. In a real
 * application, implementations of ListCreator would do more interesting things
 * like load data from a database or something.
 *
 * @version $Id: ExampleCreator.java,v 1.1 2002/03/29 22:08:59 pixel Exp $
 */
public class ExampleCreator implements ListCreator {

    private static final int SIZE = 125;

    public ListContainer execute(PageContext context, int offset, int max)
        throws Exception {

        ArrayList list = new ArrayList();
        for (int i = offset; list.size() < max && i < SIZE; i++) {
            HashMap map = new HashMap();
            list.add(map);

            map.put("firstName", "John " + (i+1));
            map.put("lastName", "Doe " + (i+1));
            map.put("city", "San Francisco");
        }

        ListContainer lc = new ListContainer(list.iterator(), SIZE);
        return lc;
    }
}