How to define new matcher function? about jcasbin HOT 13 CLOSED

enforcer = new Enforcer("role.conf", "policy.csv");
enforcer.addFunction(InCollectionFunc.getNameStatic(),new InCollectionFunc());
enforcer.addFunction(TimeValidityFunc.getNameStatic(),new TimeValidityFunc());
if (enforcer.enforce("cathy", "order1", "view")) {
        System.out.println("ok");
}

import com.googlecode.aviator.runtime.function.AbstractFunction;
import com.googlecode.aviator.runtime.function.FunctionUtils;
import com.googlecode.aviator.runtime.type.AviatorBoolean;
import com.googlecode.aviator.runtime.type.AviatorObject;

import java.time.LocalTime;
import java.util.Map;

/**
 * Created by Mahdi Razavi on 1/22/19-4:06 PM
 */
public class TimeValidityFunc extends AbstractFunction {

    public TimeValidityFunc() {
    }

    public AviatorObject call(Map<String, Object> env, AviatorObject arg1, AviatorObject arg2, AviatorObject arg3) {
        String actionTime = FunctionUtils.getStringValue(arg1, env);
        String validityTimeStart = FunctionUtils.getStringValue(arg2, env);
        String validityTimeEnd = FunctionUtils.getStringValue(arg3, env);
        return AviatorBoolean.valueOf(isTimeMatch(actionTime, validityTimeStart, validityTimeEnd));
//        return AviatorBoolean.valueOf(BuiltInFunctions.keyMatch(key1, key2));
    }


    private boolean isTimeMatch(String actionTime, String validityTimeStart, String validityTimeEnd) {
        LocalTime actTime = LocalTime.parse(actionTime);
        LocalTime tStart = LocalTime.parse(validityTimeStart);
        LocalTime tEnd = LocalTime.parse(validityTimeEnd);

        return actTime.compareTo(tStart) >= 0 && actTime.compareTo(tEnd) <= 0;

    }

    private boolean isValidTimeForUser(String userName) {
        System.out.println("User:" + userName + " wants to do action");

        return true;
    }

    public String getName() {
        return getNameStatic();
    }

    public static String getNameStatic() {
        return "isValidTimeForUser";
    }
}

import com.googlecode.aviator.runtime.function.AbstractFunction;
import com.googlecode.aviator.runtime.function.FunctionUtils;
import com.googlecode.aviator.runtime.type.AviatorBoolean;
import com.googlecode.aviator.runtime.type.AviatorObject;

import java.time.LocalTime;
import java.util.Map;

/**
 * Created by Mahdi Razavi on 1/22/19-4:06 PM
 */
public class InCollectionFunc extends AbstractFunction {

    public InCollectionFunc() {
    }

    public AviatorObject call(Map<String, Object> env, AviatorObject arg1, AviatorObject arg2, AviatorObject arg3) {
        String value = FunctionUtils.getStringValue(arg1, env);
        String collection = FunctionUtils.getStringValue(arg3, env);
        return AviatorBoolean.valueOf(isInCollection(value, collection));
    }



    private boolean isInCollection(String value,String collection) {
        System.out.println("value:" + value + " isIn collection:" + collection);

        return true;
    }

    public String getName() {
        return getNameStatic();
    }

    public static String getNameStatic() {
        return "isIn";
    }


}