1 /* 2 * Copyright 2023 LINE Corporation 3 * 4 * LINE Corporation licenses this file to you under the Apache License, 5 * version 2.0 (the "License"); you may not use this file except in compliance 6 * with the License. You may obtain a copy of the License at: 7 * 8 * https://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations 14 * under the License. 15 */ 16 package com.linecorp.centraldogma.server; 17 18 import java.util.List; 19 20 /** 21 * A converter that converts a value of certain configuration properties in {@link CentralDogmaConfig}. 22 * Here is the list of the properties that this converter supports: 23 * <ul> 24 * <li>{@code replication.secret}</li> 25 * <li>{@code tls.keyCertChain}</li> 26 * <li>{@code tls.key}</li> 27 * <li>{@code tls.keyPassword}</li> 28 * <li>{@code authentication.properties.keyStore.password} (when SAML is used)</li> 29 * <li>{@code authentication.properties.keyStore.keyPasswords} (when SAML is used)</li> 30 * </ul> 31 * Implement this interface and register it via SPI to convert a value of the properties. 32 */ 33 public interface ConfigValueConverter { 34 35 /** 36 * Returns the list of prefixes of the properties that this converter supports. 37 */ 38 List<String> supportedPrefixes(); 39 40 /** 41 * Returns the converted value of the property. It must not return {@code null}. 42 */ 43 String convert(String prefix, String value); 44 }