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用攔截器實現登錄驗證功能AuthorizationInterceptor

Posted on 2011-11-22 09:23 陳小東閱讀(770) 評論(0) 編輯收藏

用攔截器實現登錄驗證功能AuthorizationInterceptor
package com.interceptor;

import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.interceptor.*;
import com.opensymphony.xwork2.*;
import java.util.*;
/** *//**
* @author http://xp9802.iteye.com/
*/
public class AuthorizationInterceptor extends AbstractInterceptor {
    private String ignoreActions;

    // ignoreActions屬性的getter方法
    public String getIgnoreActios() {
        return ignoreActions;
    }

    // ignoreActions屬性的setter方法
    public void setIgnoreActions(String ignoreActions) {
        this.ignoreActions = ignoreActions;
    }

    @Override
    public String intercept(ActionInvocation invocation) throws Exception {
        ActionContext ctx = invocation.getInvocationContext();

        Map session = ctx.getSession();
        String user = (String) session.get("username");

        boolean ignore = false;
        String currentAction = invocation.getProxy().getActionName();
        String[] actions = ignoreActions.split(",");

        for (String action : actions) {
            if (currentAction.matches(action.trim())) {
                ignore = true;
                break;
            }
        }

        if (user != null || ignore == true) {

            return invocation.invoke();
        } else {
            return Action
<interceptors>
    <interceptor name="authorization" class="com.interceptor.AuthorizationInterceptor" />
    <interceptor-stack name="myStack">
        <interceptor-ref name="authorization">
            <param name="ignoreActions"> validate_code,register.*,.*login.*,upload,connector</param>
     </interceptor-ref> <interceptor-ref name="defaultStack" />
</interceptor-stack>
lt;/interceptors>
<default-interceptor-ref name="myStack"/>
.LOGIN;
        }

    }
}

在struts.xml文件里面配置該攔截器:

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