import org.apache.ftpserver.ftplet.AuthorizationRequest; //导入依赖的package包/类
/**
 * @see Authority#authorize(AuthorizationRequest)
 */
public AuthorizationRequest authorize(final AuthorizationRequest request) {
    if (request instanceof WriteRequest) {
        WriteRequest writeRequest = (WriteRequest) request;

        String requestFile = writeRequest.getFile();

        if (requestFile.startsWith(permissionRoot)) {
            return writeRequest;
        } else {
            return null;
        }
    } else {
        return null;
    }
}
 

import org.apache.ftpserver.ftplet.AuthorizationRequest; //导入依赖的package包/类
/**
 * @see Authority#authorize(AuthorizationRequest)
 */
public AuthorizationRequest authorize(AuthorizationRequest request) {
    if (request instanceof ConcurrentLoginRequest) {
        ConcurrentLoginRequest concurrentLoginRequest = (ConcurrentLoginRequest) request;

        if (maxConcurrentLogins != 0
                && maxConcurrentLogins < concurrentLoginRequest
                        .getConcurrentLogins()) {
            return null;
        } else if (maxConcurrentLoginsPerIP != 0
                && maxConcurrentLoginsPerIP < concurrentLoginRequest
                        .getConcurrentLoginsFromThisIP()) {
            return null;
        } else {
            concurrentLoginRequest
                    .setMaxConcurrentLogins(maxConcurrentLogins);
            concurrentLoginRequest
                    .setMaxConcurrentLoginsPerIP(maxConcurrentLoginsPerIP);

            return concurrentLoginRequest;
        }
    } else {
        return null;
    }
}
 

import org.apache.ftpserver.ftplet.AuthorizationRequest; //导入依赖的package包/类
@Override
public AuthorizationRequest authorize(AuthorizationRequest authorizationRequest) {
    return this.getAuthorities()
            .stream()
            .filter(a -> a.canAuthorize(authorizationRequest))
            .map(a -> a.authorize(authorizationRequest))
            .filter(a -> a != null)
            .findFirst()
            .orElse(null);
}
 

import org.apache.ftpserver.ftplet.AuthorizationRequest; //导入依赖的package包/类
/**
 * {@inheritDoc}
 */
public AuthorizationRequest authorize(AuthorizationRequest request) {
    // check for no authorities at all
    if(authorities == null) {
        return null;
    }
    
    boolean someoneCouldAuthorize = false;
    for (Authority authority : authorities) {
        if (authority.canAuthorize(request)) {
            someoneCouldAuthorize = true;

            request = authority.authorize(request);

            // authorization failed, return null
            if (request == null) {
                return null;
            }
        }

    }

    if (someoneCouldAuthorize) {
        return request;
    } else {
        return null;
    }
}
 

import org.apache.ftpserver.ftplet.AuthorizationRequest; //导入依赖的package包/类
/**
 * @see Authority#authorize(AuthorizationRequest)
 */
public AuthorizationRequest authorize(AuthorizationRequest request) {
    if (request instanceof TransferRateRequest) {
        TransferRateRequest transferRateRequest = (TransferRateRequest) request;

        transferRateRequest.setMaxDownloadRate(maxDownloadRate);
        transferRateRequest.setMaxUploadRate(maxUploadRate);

        return transferRateRequest;
    } else {
        return null;
    }
}
 

import org.apache.ftpserver.ftplet.AuthorizationRequest; //导入依赖的package包/类
@Override
public AuthorizationRequest authorize(AuthorizationRequest request) {
    return request;
}
 

import org.apache.ftpserver.ftplet.AuthorizationRequest; //导入依赖的package包/类
@Override
public AuthorizationRequest authorize(AuthorizationRequest arg0) {
	return null;
}
 

import org.apache.ftpserver.ftplet.AuthorizationRequest; //导入依赖的package包/类
@Override
public boolean canAuthorize(AuthorizationRequest arg0) {
	return false;
}
 

import org.apache.ftpserver.ftplet.AuthorizationRequest; //导入依赖的package包/类
public AuthorizationRequest authorize(AuthorizationRequest request) {
	// ConcurrentLoginRequest clr = (ConcurrentLoginRequest) request;
	// System.err.println(request.getClass());
	return request;
}
 

import org.apache.ftpserver.ftplet.AuthorizationRequest; //导入依赖的package包/类
@Override
public AuthorizationRequest authorize(final AuthorizationRequest authRequest) {
    return authRequest;
}
 

import org.apache.ftpserver.ftplet.AuthorizationRequest; //导入依赖的package包/类
/**
 * @see Authority#canAuthorize(AuthorizationRequest)
 */
public boolean canAuthorize(final AuthorizationRequest request) {
    return request instanceof WriteRequest;
}
 

import org.apache.ftpserver.ftplet.AuthorizationRequest; //导入依赖的package包/类
/**
 * @see Authority#canAuthorize(AuthorizationRequest)
 */
public boolean canAuthorize(AuthorizationRequest request) {
    return request instanceof ConcurrentLoginRequest;
}
 

import org.apache.ftpserver.ftplet.AuthorizationRequest; //导入依赖的package包/类
/**
 * @see Authority#canAuthorize(AuthorizationRequest)
 */
public boolean canAuthorize(AuthorizationRequest request) {
    return request instanceof TransferRateRequest;
}
 

import org.apache.ftpserver.ftplet.AuthorizationRequest; //导入依赖的package包/类
public AuthorizationRequest authorize(AuthorizationRequest request) {
    return request;
}
 

import org.apache.ftpserver.ftplet.AuthorizationRequest; //导入依赖的package包/类
public boolean canAuthorize(AuthorizationRequest request) {
    return true;
}