listbasedcomparator.java

mywork是rcp开发的很好的例子

/**
 * Simon Lei, CopyLeft 2005
 */
package net.sf.component.table;

import java.util.Comparator;
import java.util.List;

/**
 * 根据 List 当中的顺序来比较对象
 * $Id: ListBasedComparator.java 843 2005-09-12 02:54:04Z yflei $
 * Created Date: 2005-7-16
 * @author SimonLei
 */
public class ListBasedComparator implements Comparator<String> {

	private List list;
	
	public ListBasedComparator(List list) {
		this.list = list;
	}

	/* (non-Javadoc)
	 * @see java.util.Comparator#compare(T, T)
	 */
	public int compare(String o1, String o2) {
		int index1 = list.indexOf( o1);
		int index2 = list.indexOf( o2);
		return index1 - index2;
	}

}