decoratorutils.java

一种快速开发的Java Web架构,doc里有详细的设计文档和开发文档。

/**
 *
 * 功能	 Coarse Function Description
 * 类名  DecoratorUtils
 *
 * ver       变更日        部门        变更者   变更内容
 * ──────────────────────────────────
 * V1.0    2006-10-25     国内事业部     陈志武     初版
 * V1.1    2006-10-25     国内事业部     陈志武     改定
 *
 */

package com.hisoft.cottonbusiness.core.common;

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

import org.apache.commons.collections.map.ListOrderedMap;
import org.apache.log4j.Logger;

/**
 * Class description in detail
 * 
 * 
 * @author 陈志武
 * @version Ver 1.0 2006-10-25 改订
 * @since Ver 1.0
 */

public class DecoratorUtils
{
	private static final Logger log = Logger.getLogger(DecoratorUtils.class);

	/**
	 * 
	 * @param list
	 *            the displaying table List(List contains Map)
	 * @param column
	 *            the decorated column,which is linked,if not existed,no link would be added
	 * @param href
	 *            the target url
	 * @param urlKey
	 *            the query key
	 * @param urlValue
	 *            the query key's value,but actually come from the Map key's value.
	 * @return
	 */
	public static List decorateLink(List list, String column, String defaultColumn, String href, String target,
			String urlKey, String urlValue)
	{
		List result = new ArrayList();
		Iterator iter = list.iterator();
		while (iter.hasNext())
		{
			MapWrapper adapter = (MapWrapper) iter.next();
			Map map = adapter.getMap();

			Object obj = map.get(column);
			String value = null;
			if (obj != null)
			{
				value = obj.toString();
				String newValue = "<a href=" + href + "&" + urlKey + "=" + map.get(urlValue) + " target=" + target
						+ ">" + value + "</a>";
				map.put(column, newValue);
			}
			else
			{
				obj = map.get(defaultColumn);
				if (obj != null)
				{
					value = obj.toString();
					String newValue = "<a href=" + href + "&" + urlKey + "=" + map.get(urlValue) + " target=" + target
							+ ">" + value + "</a>";
					map.put(defaultColumn, newValue);
				}
			}

			MapWrapper newAdapter = new MapWrapper(map);
			result.add(newAdapter);
		}
		return result;
	}


	public static List decorateLink(List list, String href, String target, String column, String queryString)
	{
		List result = new ArrayList();
		Iterator iter = list.iterator();
		while (iter.hasNext())
		{
			MapWrapper adapter = (MapWrapper) iter.next();
			Map map = adapter.getMap();
			Object obj = map.get(column);
			if (obj != null)
			{
				String newValue = "<a href=" + href + queryString + " target=" + target + " title=" + column + ">"
						+ column + "</a>";
				map.put(column, newValue);
			}
			MapWrapper newAdapter = new MapWrapper(map);
			result.add(newAdapter);
		}
		return result;
	}

	/**
	 * create link for the specfied column(key) in the map
	 * 
	 * @param map
	 * @param column
	 * @param uri
	 * @param target
	 * @param title
	 * @return
	 */
	public static Map decorateLink(Map map, String column, String uri, String target, String title)
	{
		Object obj = map.get(column);
		Object t = map.get(title);

		if (t != null)
		{
			if (obj != null)
			{
				String newValue = "<a href=" + uri + " target=" + target + " title=" + t.toString() + ">" + obj.toString() + "</a>";
				map.put(column, newValue);
				map.remove(title);
			}
		}
		else
		{
			if (obj != null)
			{
				String newValue = "<a href=" + uri + " target=" + target + ">" + obj.toString()	+ "</a>";
				map.put(column, newValue);
			}
		}

		return map;
	}
	
	public static String decorateLink(String uri,String target,String text)
	{
		String link = "<a href=" + uri + " target=" + target + ">" + text + "</a>";

		return link;
	}

	public static Map decorateLink(Map map, String column, String uri, String target)
	{
		Object obj = map.get(column);

		if (obj != null)
		{
			String newValue = "<a href=" + uri + " target=" + target + ">" + obj.toString() + "</a>";
			map.put(column, newValue);
		}

		return map;
	}
	

	public static void main(String[] args)
	{
	}

}