spring PathMappedEndpoints 源码
springboot PathMappedEndpoints 代码
文件路径:/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/web/PathMappedEndpoints.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.Collections;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import org.springframework.boot.actuate.endpoint.EndpointId;
import org.springframework.boot.actuate.endpoint.EndpointsSupplier;
import org.springframework.util.Assert;
/**
* A collection of {@link PathMappedEndpoint path mapped endpoints}.
*
* @author Phillip Webb
* @since 2.0.0
*/
public class PathMappedEndpoints implements Iterable<PathMappedEndpoint> {
private final String basePath;
private final Map<EndpointId, PathMappedEndpoint> endpoints;
/**
* Create a new {@link PathMappedEndpoints} instance for the given supplier.
* @param basePath the base path of the endpoints
* @param supplier the endpoint supplier
*/
public PathMappedEndpoints(String basePath, EndpointsSupplier<?> supplier) {
Assert.notNull(supplier, "Supplier must not be null");
this.basePath = (basePath != null) ? basePath : "";
this.endpoints = getEndpoints(Collections.singleton(supplier));
}
/**
* Create a new {@link PathMappedEndpoints} instance for the given suppliers.
* @param basePath the base path of the endpoints
* @param suppliers the endpoint suppliers
*/
public PathMappedEndpoints(String basePath, Collection<EndpointsSupplier<?>> suppliers) {
Assert.notNull(suppliers, "Suppliers must not be null");
this.basePath = (basePath != null) ? basePath : "";
this.endpoints = getEndpoints(suppliers);
}
private Map<EndpointId, PathMappedEndpoint> getEndpoints(Collection<EndpointsSupplier<?>> suppliers) {
Map<EndpointId, PathMappedEndpoint> endpoints = new LinkedHashMap<>();
suppliers.forEach((supplier) -> supplier.getEndpoints().forEach((endpoint) -> {
if (endpoint instanceof PathMappedEndpoint pathMappedEndpoint) {
endpoints.put(endpoint.getEndpointId(), pathMappedEndpoint);
}
}));
return Collections.unmodifiableMap(endpoints);
}
/**
* Return the base path for the endpoints.
* @return the base path
*/
public String getBasePath() {
return this.basePath;
}
/**
* Return the root path for the endpoint with the given ID or {@code null} if the
* endpoint cannot be found.
* @param endpointId the endpoint ID
* @return the root path or {@code null}
*/
public String getRootPath(EndpointId endpointId) {
PathMappedEndpoint endpoint = getEndpoint(endpointId);
return (endpoint != null) ? endpoint.getRootPath() : null;
}
/**
* Return the full path for the endpoint with the given ID or {@code null} if the
* endpoint cannot be found.
* @param endpointId the endpoint ID
* @return the full path or {@code null}
*/
public String getPath(EndpointId endpointId) {
return getPath(getEndpoint(endpointId));
}
/**
* Return the root paths for each mapped endpoint.
* @return all root paths
*/
public Collection<String> getAllRootPaths() {
return asList(stream().map(PathMappedEndpoint::getRootPath));
}
/**
* Return the full paths for each mapped endpoint.
* @return all root paths
*/
public Collection<String> getAllPaths() {
return asList(stream().map(this::getPath));
}
/**
* Return the {@link PathMappedEndpoint} with the given ID or {@code null} if the
* endpoint cannot be found.
* @param endpointId the endpoint ID
* @return the path mapped endpoint or {@code null}
*/
public PathMappedEndpoint getEndpoint(EndpointId endpointId) {
return this.endpoints.get(endpointId);
}
/**
* Stream all {@link PathMappedEndpoint path mapped endpoints}.
* @return a stream of endpoints
*/
public Stream<PathMappedEndpoint> stream() {
return this.endpoints.values().stream();
}
@Override
public Iterator<PathMappedEndpoint> iterator() {
return this.endpoints.values().iterator();
}
private String getPath(PathMappedEndpoint endpoint) {
return (endpoint != null) ? this.basePath + "/" + endpoint.getRootPath() : null;
}
private <T> List<T> asList(Stream<T> stream) {
return stream.collect(Collectors.collectingAndThen(Collectors.toList(), Collections::unmodifiableList));
}
}
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