logoninterceptor.java

白广元写的java web整合开发完全自学手册的源代码

package tutorial;

import java.util.Map;

import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.interceptor.AbstractInterceptor;

import java.util.Map;
import com.opensymphony.xwork2.Action;
import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.interceptor.AbstractInterceptor;
public class LogonInterceptor extends AbstractInterceptor{
	@Override
	public String intercept(ActionInvocation ai) throws Exception {
		Map session = ai.getInvocationContext().getSession();
		User user = (User) session.get("user");
		
		if (null != user) {
			System.out.println("OK");
			return ai.invoke();
			
		} else {
			System.out.println("LOGIN");
			return Action.LOGIN;
		}
	}
}