com.sap.cds.mtx.impl.Authenticator Maven / Gradle / Ivy

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/*******************************************************************************
 *   © 2019-2024 SAP SE or an SAP affiliate company. All rights reserved.
 ******************************************************************************/
package com.sap.cds.mtx.impl;

import java.io.IOException;
import java.util.Optional;

public interface Authenticator {

	/**
	 * @return value of the authorization header or {@code Optional.empty} if no
	 * authorization is required
	 * @throws IOException thrown if communication with XSUAA service fails
	 */
	Optional getAuthorization() throws IOException;

	Authenticator NONE = Optional::empty;
}