push.java

来自「struts 2 核心包 的源码 有错误是难免的」· Java 代码 · 共 53 行

// 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:   Push.java

package org.apache.struts2.components;

import com.opensymphony.xwork2.util.ValueStack;
import java.io.Writer;

// Referenced classes of package org.apache.struts2.components:
//			Component

public class Push extends Component
{

	protected String value;
	protected boolean pushed;

	public Push(ValueStack stack)
	{
		super(stack);
	}

	public boolean start(Writer writer)
	{
		boolean result = super.start(writer);
		ValueStack stack = getStack();
		if (stack != null)
		{
			stack.push(findValue(value, "value", "You must specify a value to push on the stack. Example: person"));
			pushed = true;
		} else
		{
			pushed = false;
		}
		return result;
	}

	public boolean end(Writer writer, String body)
	{
		ValueStack stack = getStack();
		if (pushed && stack != null)
			stack.pop();
		return super.end(writer, body);
	}

	public void setValue(String value)
	{
		this.value = value;
	}
}