dev 契约锁

P15GEN2\59518

2024-05-29 d4210c7c4b04abde20037ea8aa0f54ef8a2649aa

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package foundation.route;
 
import java.io.IOException;
 
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
 
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
 
import foundation.handler.DataPool;
import foundation.handler.IHandler;
import foundation.log.ILogWriter;
import foundation.log.LogCategory;
import foundation.log.LogConfig;
 
 
public class ControllerNavigator extends RouteNavigator {
 
    private static Logger logger;
    private Operation operation;
    
    static {
        logger = LogManager.getLogger(ControllerNavigator.class);
    }
    
    public ControllerNavigator(HttpServletRequest request, String uri, String path, Operation operation, Route route, boolean authorizeSensitive) {
        super(request, uri, path, route, authorizeSensitive);
        this.operation = operation;
    }
 
    @Override
    public void sendTo(HttpServletResponse response, Object... args) {
        if (LogConfig.IsActive_ControllerNavigator) {
            logger.debug(uri);
        }
        
        IHandler handler;
        try {
            //1. replay options request
            String method = request.getMethod();
           
            if (("OPTIONS").equalsIgnoreCase(method)) {
                replyOptions(request, response);
                return;
            }
            
            //2. set cross headers
            setCrossAccessHeaders(response);
            
            //3. send to controller
            DataPool dataPool = (DataPool)args[0];
            
            if (dataPool == null) {
                dataPool = new DataPool(request);
            }
            
            dataPool.setOperation(operation);
            
            handler = ((ControllerRoute) route).getToObject();
            ILogWriter.write(LogCategory.Data, path);
            handler.receive(operation, dataPool, response);
        } 
        catch (Exception e) {
            e.printStackTrace();
        }
    }
    
    public static void replyOptions(HttpServletRequest request, HttpServletResponse response) throws IOException {
        response.setHeader("Access-Control-Allow-Origin", request.getHeader("Origin"));
        response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
        response.setHeader("Access-Control-Max-Age", "3600");
 
        response.setHeader("Access-Control-Allow-Headers", "Origin, Content-Type, Accept, Authorization");
        response.setHeader("access-control-expose-headers", "Authorization");
        response.setHeader("Access-Control-Allow-Credentials", "true");
        response.setHeader("mode", "no-corred");
        response.setStatus(200);
        
        response.flushBuffer();
    }
 
    private void setCrossAccessHeaders(HttpServletResponse response) {
        response.setHeader("Access-Control-Allow-Origin", "*");
        response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE, PUT");
        response.setHeader("Access-Control-Max-Age", "0");
        response.setHeader("Cache-Control","no-cache");
        response.setHeader("Access-Control-Allow-Credentials", "true");
        response.setHeader("XDomainRequestAllowed","1");
        response.setHeader("Access-Control-Allow-Headers", "Origin, No-Cache, X-Requested-With, If-Modified-Since, Pragma, Last-Modified, Cache-Control, Expires, Content-Type, X-E4M-With, Accept, Authorization");
        response.setHeader("access-control-expose-headers", "Authorization");
    }
 
    public Operation getOperation() {
        return operation;
    }
    
}