Java tutorial
/* * Copyright 2019 Google, Inc. * * 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.netflix.spinnaker.clouddriver.artifacts.config; import com.netflix.spinnaker.clouddriver.artifacts.CredentialReader; import org.apache.commons.lang3.StringUtils; import java.util.Optional; public interface TokenAuth { String getToken(); String getTokenFile(); default Optional<String> getTokenAuthHeader() { return getTokenAsString().map(t -> "token " + t); } default Optional<String> getTokenAsString() { String token = null; if (StringUtils.isNotEmpty(getTokenFile())) { token = CredentialReader.credentialsFromFile(getTokenFile()); } else if (StringUtils.isNotEmpty(getToken())) { token = getToken(); } return Optional.ofNullable(token); } }