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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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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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