spring EndpointLinksResolver 源码
springboot EndpointLinksResolver 代码
文件路径:/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/web/EndpointLinksResolver.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.endpoint.web;
import java.util.Collection;
import java.util.LinkedHashMap;
import java.util.Map;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.boot.actuate.endpoint.ExposableEndpoint;
/**
* A resolver for {@link Link links} to web endpoints.
*
* @author Andy Wilkinson
* @since 2.0.0
*/
public class EndpointLinksResolver {
private static final Log logger = LogFactory.getLog(EndpointLinksResolver.class);
private final Collection<? extends ExposableEndpoint<?>> endpoints;
/**
* Creates a new {@code EndpointLinksResolver} that will resolve links to the given
* {@code endpoints}.
* @param endpoints the endpoints
*/
public EndpointLinksResolver(Collection<? extends ExposableEndpoint<?>> endpoints) {
this.endpoints = endpoints;
}
/**
* Creates a new {@code EndpointLinksResolver} that will resolve links to the given
* {@code endpoints} that are exposed beneath the given {@code basePath}.
* @param endpoints the endpoints
* @param basePath the basePath
*/
public EndpointLinksResolver(Collection<? extends ExposableEndpoint<?>> endpoints, String basePath) {
this.endpoints = endpoints;
if (logger.isInfoEnabled()) {
logger.info("Exposing " + endpoints.size() + " endpoint(s) beneath base path '" + basePath + "'");
}
}
/**
* Resolves links to the known endpoints based on a request with the given
* {@code requestUrl}.
* @param requestUrl the url of the request for the endpoint links
* @return the links
*/
public Map<String, Link> resolveLinks(String requestUrl) {
String normalizedUrl = normalizeRequestUrl(requestUrl);
Map<String, Link> links = new LinkedHashMap<>();
links.put("self", new Link(normalizedUrl));
for (ExposableEndpoint<?> endpoint : this.endpoints) {
if (endpoint instanceof ExposableWebEndpoint exposableWebEndpoint) {
collectLinks(links, exposableWebEndpoint, normalizedUrl);
}
else if (endpoint instanceof PathMappedEndpoint pathMappedEndpoint) {
String rootPath = pathMappedEndpoint.getRootPath();
Link link = createLink(normalizedUrl, rootPath);
links.put(endpoint.getEndpointId().toLowerCaseString(), link);
}
}
return links;
}
private String normalizeRequestUrl(String requestUrl) {
if (requestUrl.endsWith("/")) {
return requestUrl.substring(0, requestUrl.length() - 1);
}
return requestUrl;
}
private void collectLinks(Map<String, Link> links, ExposableWebEndpoint endpoint, String normalizedUrl) {
for (WebOperation operation : endpoint.getOperations()) {
links.put(operation.getId(), createLink(normalizedUrl, operation));
}
}
private Link createLink(String requestUrl, WebOperation operation) {
return createLink(requestUrl, operation.getRequestPredicate().getPath());
}
private Link createLink(String requestUrl, String path) {
return new Link(requestUrl + (path.startsWith("/") ? path : "/" + path));
}
}
相关信息
相关文章
spring ExposableServletEndpoint 源码
0
赞
- 所属分类: 后端技术
- 本文标签: Spring Boot Java Spring
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
8、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦