/**  
* <p>Title: LogAopAction.java</p>  
* <p>Description: 操作日誌Controller</p>  
* <p>Company: </p>  
* @author Saffichan 
* @date 2018-06-01 15:38
* @version 1.0  
*/import java.lang.reflect.Method;
import java.net.InetAddress;
import java.net.UnknownHostException;
import
 
 java.util.Date;
import java.util.HashMap;
import java.util.Map;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;

import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import org.aspectj.lang.ProceedingJoinPoint;
 
import org.aspectj.lang.Signature;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.aspectj.lang.reflect.MethodSignature;

import com.saffi.web.BaseAction;
import com.saffi.common.util.MapperUtil;
import com.saffi.system.bo.LogBO;
 
import com.saffi.service.LogService;
import com.saffi.user.bo.AdminBO;
import com.saffi.web.annotation.PermssionMethodCode;

@Aspect
public class LogAopAction {
    // 注入service,用來將日誌資訊儲存在資料庫
    @Resource(name = "logService")
    private LogService logService;

    // 配置接入點，即為所要記錄的action操作目錄
    @Pointcut("execution(* com.saffi.*.action..*.*(..))")
    private void controllerAspect() {
    }

    @Around("controllerAspect()")
    public Object around(ProceedingJoinPoint pjp) throws Throwable {
        //日誌實體物件
        LogBO logBo = new LogBO();

        HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes())
                .getRequest();
        // 從session獲取使用者名稱
         String username = request.getSession().getAttribute("user");
         logBo.setUsername(username);
  　　 // 獲取系統當前時間
        logBo.setDate(new Date());

        // 獲取訪問真實IP    
        String ipAddress = request.getHeader("x-forwarded-for");  
        if(ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {  
            ipAddress = request.getHeader("Proxy-Client-IP");  
        }  
        if(ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {  
            ipAddress = request.getHeader("WL-Proxy-Client-IP");  
        }  
        if(ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {  
            ipAddress = request.getRemoteAddr();  
            if(ipAddress.equals("127.0.0.1") || ipAddress.equals("0:0:0:0:0:0:0:1")){  
                //根據網絡卡取本機配置的IP  
                InetAddress inet=null;  
                try {  
                    inet = InetAddress.getLocalHost();  
                } catch (UnknownHostException e) {  
                    e.printStackTrace();  
                }  
                ipAddress= inet.getHostAddress();  
            }  
        }  
        //對於通過多個代理的情況，第一個IP為客戶端真實IP,多個IP按照','分割  
        if(ipAddress!=null && ipAddress.length()>15){ //"***.***.***.***".length() = 15  
            if(ipAddress.indexOf(",")>0){  
                ipAddress = ipAddress.substring(0,ipAddress.indexOf(","));  
            }  
        }  
            
        logBo.setIp(ipAddress);
                 
        // 攔截的實體類，就是當前正在執行的controller
        Object target = pjp.getTarget();
        // 攔截的方法名稱。當前正在執行的方法
        String methodName = pjp.getSignature().getName();
        // 攔截的方法引數
        Object[] args = pjp.getArgs();
        
        //獲取請求路徑
        String actionUrl = request.getRequestURI();      
        
        // 攔截的放參數型別
        Signature sig = pjp.getSignature();
        MethodSignature msig = null;
        if (!(sig instanceof MethodSignature)) {
            throw new IllegalArgumentException("該註解只能用於方法");
        }
        msig = (MethodSignature) sig;
        Class[] parameterTypes = msig.getMethod().getParameterTypes();

        Object object = null;
        // 獲得被攔截的方法
        Method method = null;
        
        
        try {
            method = target.getClass().getMethod(methodName, parameterTypes);
        } catch (NoSuchMethodException e1) {
            e1.printStackTrace();
        } catch (SecurityException e1) {
            e1.printStackTrace();
        }
        if (null != method) {
            // 獲取方法（此為自定義註解） 
           OptionalLog op = method.getAnnotation(OptionalLog .class);
    
            // 獲取註解的modules 設為操作模組
            logBo.setModule(op.modules());        
            // 獲取註解的methods 設為執行方法
            logBo.setMethods(op.methods());    
            // 將上面獲取到的請求路徑 設為請求路徑
            logBo.setActionurl(actionUrl);
            try {
                object = pjp.proceed();
                //接受客戶端的資料
                Map<String,String[]> map = request.getParameterMap(); 
　　　　　　　　　 // 解決獲取引數亂碼
                Map<String,String[]> newmap = new HashMap<String,String[]>();   
                for(Map.Entry<String, String[]> entry : map.entrySet()){
                String name = entry.getKey();
                String values[] = entry.getValue();

                if(values==null){
                newmap.put(name, new String[]{});
                continue;
                }
                String newvalues[] = new String[values.length];
                for(int i=0; i<values.length;i++){
                String value = values[i];
                value = new String(value.getBytes("iso8859-1"),request.getCharacterEncoding());
                newvalues[i] = value; //解決亂碼後封裝到Map中
                }

                newmap.put(name, newvalues);
                
                }
                logBo.setContent(MapperUtil.toJsonStr(newmap));
                //1為執行成功
                logBo.setCommite((byte) 1);
                // 新增到資料庫
                logService.add(logBo);
            } catch (Throwable e) {
              
　　　　　　　　  //接受客戶端的資料
                Map<String,String[]> map = request.getParameterMap();  
　　　　　　     // 解決獲取引數亂碼
                Map<String,String[]> newmap = new HashMap<String,String[]>();   
                for(Map.Entry<String, String[]> entry : map.entrySet()){
                String name = entry.getKey();
                String values[] = entry.getValue();

                if(values==null){
                newmap.put(name, new String[]{});
                continue;
                }
                String newvalues[] = new String[values.length];
                for(int i=0; i<values.length;i++){
                String value = values[i];
                value = new String(value.getBytes("iso8859-1"),request.getCharacterEncoding());
                newvalues[i] = value; //解決亂碼後封裝到Map中
                }

                newmap.put(name, newvalues);
                
                }
　　　　　　　　   //MapperUtil.toJsonStr為自定義的轉換工具類
                logBo.setContent(MapperUtil.toJsonStr(newmap));
                //2為執行失敗
                logBo.setCommite((byte) 2);
　　　　　　　　  //新增到資料庫
                logService.add(logBo);
            }
        }
        return object;
    }

}