servletredirectresult.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:   ServletRedirectResult.java

package org.apache.struts2.dispatcher;

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionInvocation;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts2.dispatcher.mapper.ActionMapper;
import org.apache.struts2.dispatcher.mapper.ActionMapping;

// Referenced classes of package org.apache.struts2.dispatcher:
//			StrutsResultSupport, Dispatcher

public class ServletRedirectResult extends StrutsResultSupport
{

	private static final long serialVersionUID = 0x57aa4e24991f5f96L;
	private static final Log log = LogFactory.getLog(org/apache/struts2/dispatcher/ServletRedirectResult);
	protected boolean prependServletContext;
	protected ActionMapper actionMapper;

	public ServletRedirectResult()
	{
		prependServletContext = true;
	}

	public ServletRedirectResult(String location)
	{
		super(location);
		prependServletContext = true;
	}

	public void setActionMapper(ActionMapper mapper)
	{
		actionMapper = mapper;
	}

	public void setPrependServletContext(boolean prependServletContext)
	{
		this.prependServletContext = prependServletContext;
	}

	protected void doExecute(String finalLocation, ActionInvocation invocation)
		throws Exception
	{
		ActionContext ctx = invocation.getInvocationContext();
		HttpServletRequest request = (HttpServletRequest)ctx.get("com.opensymphony.xwork2.dispatcher.HttpServletRequest");
		HttpServletResponse response = (HttpServletResponse)ctx.get("com.opensymphony.xwork2.dispatcher.HttpServletResponse");
		if (isPathUrl(finalLocation))
		{
			if (!finalLocation.startsWith("/"))
			{
				ActionMapping mapping = actionMapper.getMapping(request, Dispatcher.getInstance().getConfigurationManager());
				String namespace = null;
				if (mapping != null)
					namespace = mapping.getNamespace();
				if (namespace != null && namespace.length() > 0 && !"/".equals(namespace))
					finalLocation = (new StringBuilder()).append(namespace).append("/").append(finalLocation).toString();
				else
					finalLocation = (new StringBuilder()).append("/").append(finalLocation).toString();
			}
			if (prependServletContext && request.getContextPath() != null && request.getContextPath().length() > 0)
				finalLocation = (new StringBuilder()).append(request.getContextPath()).append(finalLocation).toString();
			finalLocation = response.encodeRedirectURL(finalLocation);
		}
		if (log.isDebugEnabled())
			log.debug((new StringBuilder()).append("Redirecting to finalLocation ").append(finalLocation).toString());
		response.sendRedirect(finalLocation);
	}

	private static boolean isPathUrl(String url)
	{
		return url.indexOf(':') == -1;
	}

}