sorter.java

struts 2 核心包 的源码 有错误是难免的

// Decompiled by Jad v1.5.8e2. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://kpdus.tripod.com/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi space 
// Source File Name:   Sorter.java

package org.apache.struts2.util;

import com.opensymphony.xwork2.util.ValueStack;
import com.opensymphony.xwork2.util.ValueStackFactory;
import java.util.Comparator;

public class Sorter
{

	public Sorter()
	{
	}

	public Comparator getAscending()
	{
		return new Comparator() {

			final Sorter this$0;

			public int compare(Object o1, Object o2)
			{
				if (o1 instanceof Comparable)
				{
					return ((Comparable)o1).compareTo(o2);
				} else
				{
					String s1 = o1.toString();
					String s2 = o2.toString();
					return s1.compareTo(s2);
				}
			}

			
			{
				this$0 = Sorter.this;
				super();
			}
		};
	}

	public Comparator getAscending(final String anExpression)
	{
		return new Comparator() {

			private ValueStack stack;
			final String val$anExpression;
			final Sorter this$0;

			public int compare(Object o1, Object o2)
			{
				stack.push(o1);
				Object v1 = stack.findValue(anExpression);
				stack.pop();
				stack.push(o2);
				Object v2 = stack.findValue(anExpression);
				stack.pop();
				if (v1 == null)
					v1 = "";
				if (v2 == null)
					v2 = "";
				if ((v1 instanceof Comparable) && v1.getClass().equals(v2.getClass()))
				{
					return ((Comparable)v1).compareTo(v2);
				} else
				{
					String s1 = v1.toString();
					String s2 = v2.toString();
					return s1.compareTo(s2);
				}
			}

			
			{
				this$0 = Sorter.this;
				anExpression = s;
				super();
				stack = ValueStackFactory.getFactory().createValueStack();
			}
		};
	}

	public Comparator getComparator(String anExpression, boolean ascending)
	{
		if (ascending)
			return getAscending(anExpression);
		else
			return getDescending(anExpression);
	}

	public Comparator getDescending()
	{
		return new Comparator() {

			final Sorter this$0;

			public int compare(Object o1, Object o2)
			{
				if (o2 instanceof Comparable)
				{
					return ((Comparable)o2).compareTo(o1);
				} else
				{
					String s1 = o1.toString();
					String s2 = o2.toString();
					return s2.compareTo(s1);
				}
			}

			
			{
				this$0 = Sorter.this;
				super();
			}
		};
	}

	public Comparator getDescending(final String anExpression)
	{
		return new Comparator() {

			private ValueStack stack;
			final String val$anExpression;
			final Sorter this$0;

			public int compare(Object o1, Object o2)
			{
				stack.push(o1);
				Object v1 = stack.findValue(anExpression);
				stack.pop();
				stack.push(o2);
				Object v2 = stack.findValue(anExpression);
				stack.pop();
				if (v1 == null)
					v1 = "";
				if (v2 == null)
					v2 = "";
				if ((v2 instanceof Comparable) && v1.getClass().equals(v2.getClass()))
				{
					return ((Comparable)v2).compareTo(v1);
				} else
				{
					String s1 = v1.toString();
					String s2 = v2.toString();
					return s2.compareTo(s1);
				}
			}

			
			{
				this$0 = Sorter.this;
				anExpression = s;
				super();
				stack = ValueStackFactory.getFactory().createValueStack();
			}
		};
	}
}