requestbasepathinterceptor.java

来自「交易撮合系统是一套买卖信息沟通的平台」· Java 代码 · 共 37 行

package com.laoer.bbscs.web.interceptor;

import javax.servlet.http.HttpServletRequest;

import org.apache.struts2.ServletActionContext;

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.interceptor.AbstractInterceptor;
import com.laoer.bbscs.comm.*;

public class RequestBasePathInterceptor extends AbstractInterceptor {

	/**
	 *
	 */
	private static final long serialVersionUID = 369409256340402236L;

	@Override
	public String intercept(ActionInvocation invocation) throws Exception {
		ActionContext ac = invocation.getInvocationContext();
		Object action = invocation.getAction();

		if (action instanceof RequestBasePathAware) {
			HttpServletRequest request = (HttpServletRequest) ac.get(ServletActionContext.HTTP_REQUEST);
			StringBuffer sb = new StringBuffer();
			sb.append(BBSCSUtil.getWebRealPath(request));
			sb.append(request.getContextPath());
			sb.append("/");
			((RequestBasePathAware) action).setBasePath(sb.toString());
		}

		return invocation.invoke();
	}

}