com.here.account.oauth2.AccessTokenSupplier Maven / Gradle / Ivy

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/*
 * Copyright (c) 2018 HERE Europe B.V.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.here.account.oauth2;

import java.util.function.Supplier;

/**
 * An interface that lets you get Access Tokens, for use with HERE Services.
 * A Supplier<String> of Access Tokens.
 *
 * 
 * See OAuth2.0,
 * and OAuth2.0 Bearer Token Usage
 * for details.
 *
 * @author kmccrack
 */
public interface AccessTokenSupplier extends Supplier {

    /**
     * Gets an OAuth2.0 Access Token.
     *
     * @return the access token
     */
    @Override
    String get();

}