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3.x: Support built-in health check config at
health.checks (retaini…
…ng now-deprecated `helidon.health` for compatibility) (#9337) * Add support for built-in health check config at health.checks while maintaining bw compat at helidon.health Signed-off-by: Tim Quinn <[email protected]>
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config/config-mp/src/main/java/io/helidon/config/mp/DeprecatedMpConfig.java
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| /* | ||
| * Copyright (c) 2024 Oracle and/or its affiliates. | ||
| * | ||
| * 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 io.helidon.config.mp; | ||
|
|
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| import java.util.Optional; | ||
| import java.util.logging.Logger; | ||
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| import org.eclipse.microprofile.config.Config; | ||
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| /** | ||
| * A utility class to handle MicroProfile configuration properties that should no longer be used. | ||
| * <p> | ||
| * For one major release, the property is retrieved through this class, to warn about the usage. | ||
| * In next major release, the deprecated property is removed (as is use of this class). | ||
| * <p> | ||
| * This class is closely patterned after {@code io.helidon.config.DeprecatedConfig} and works whether the MP config object | ||
| * is proxied by CDI or not. That other class can be used in conjunction with | ||
| * {@link io.helidon.config.mp.MpConfig#toHelidonConfig(org.eclipse.microprofile.config.Config)} for MP | ||
| * config objects that <em>are not</em> injected but that does work for MP config objects proxied by CDI. This one does work for | ||
| * those use cases. | ||
| */ | ||
| public final class DeprecatedMpConfig { | ||
| private static final Logger LOGGER = Logger.getLogger(DeprecatedMpConfig.class.getName()); | ||
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|
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| private DeprecatedMpConfig() { | ||
| } | ||
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| /** | ||
| * Get a value from config, attempting to read both the keys. | ||
| * Warning is logged if either the current key is not defined, or both the keys are defined. | ||
| * | ||
| * @param config configuration instance | ||
| * @param type type of the retrieved value | ||
| * @param currentKey key that should be used | ||
| * @param deprecatedKey key that should not be used | ||
| * @param <T> type of the retrieved value | ||
| * @return config value of the current key if exists, or the deprecated key if it does not, an empty {@code Optional} | ||
| * otherwise | ||
| */ | ||
| public static <T> Optional<T> getConfigValue(Config config, Class<T> type, String currentKey, String deprecatedKey) { | ||
| Optional<T> deprecatedConfig = config.getOptionalValue(deprecatedKey, type); | ||
| Optional<T> currentConfig = config.getOptionalValue(currentKey, type); | ||
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| if (deprecatedConfig.isPresent()) { | ||
| if (currentConfig.isPresent()) { | ||
| LOGGER.warning("You are using both a deprecated configuration and a current one. " | ||
| + "Deprecated key: \"" + deprecatedKey + "\", " | ||
| + "current key: \"" + currentKey + "\", " | ||
| + "only the current key will be used, and deprecated will be ignored."); | ||
| return currentConfig; | ||
| } else { | ||
| LOGGER.warning("You are using a deprecated configuration key. " | ||
| + "Deprecated key: \"" + deprecatedKey + "\", " | ||
| + "current key: \"" + currentKey + "\"."); | ||
| return deprecatedConfig; | ||
| } | ||
| } else { | ||
| return currentConfig; | ||
| } | ||
| } | ||
| } |
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