spring GitInfoContributor 源码

springboot GitInfoContributor 代码

文件路径：/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/info/GitInfoContributor.java

/*
 * Copyright 2012-2022 the original author or authors.
 *
 * 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
 *
 *      https://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 org.springframework.boot.actuate.info;

import java.time.Instant;
import java.util.Map;
import java.util.Properties;

import org.springframework.aot.hint.RuntimeHints;
import org.springframework.aot.hint.RuntimeHintsRegistrar;
import org.springframework.boot.actuate.info.GitInfoContributor.GitInfoContributorRuntimeHints;
import org.springframework.boot.info.GitProperties;
import org.springframework.context.annotation.ImportRuntimeHints;
import org.springframework.context.aot.BindingReflectionHintsRegistrar;
import org.springframework.core.env.PropertiesPropertySource;
import org.springframework.core.env.PropertySource;

/**
 * An {@link InfoContributor} that exposes {@link GitProperties}.
 *
 * @author Stephane Nicoll
 * @since 1.4.0
 */
@ImportRuntimeHints(GitInfoContributorRuntimeHints.class)
public class GitInfoContributor extends InfoPropertiesInfoContributor<GitProperties> {

	public GitInfoContributor(GitProperties properties) {
		this(properties, Mode.SIMPLE);
	}

	public GitInfoContributor(GitProperties properties, Mode mode) {
		super(properties, mode);
	}

	@Override
	public void contribute(Info.Builder builder) {
		builder.withDetail("git", generateContent());
	}

	@Override
	protected PropertySource<?> toSimplePropertySource() {
		Properties props = new Properties();
		copyIfSet(props, "branch");
		String commitId = getProperties().getShortCommitId();
		if (commitId != null) {
			props.put("commit.id", commitId);
		}
		copyIfSet(props, "commit.time");
		return new PropertiesPropertySource("git", props);
	}

	/**
	 * Post-process the content to expose. By default, well known keys representing dates
	 * are converted to {@link Instant} instances.
	 * @param content the content to expose
	 */
	@Override
	protected void postProcessContent(Map<String, Object> content) {
		replaceValue(getNestedMap(content, "commit"), "time", getProperties().getCommitTime());
		replaceValue(getNestedMap(content, "build"), "time", getProperties().getInstant("build.time"));
	}

	static class GitInfoContributorRuntimeHints implements RuntimeHintsRegistrar {

		private final BindingReflectionHintsRegistrar bindingRegistrar = new BindingReflectionHintsRegistrar();

		@Override
		public void registerHints(RuntimeHints hints, ClassLoader classLoader) {
			this.bindingRegistrar.registerReflectionHints(hints.reflection(), GitProperties.class);
		}

	}

}

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