Java tutorial
/* * Copyright 2014 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 * * 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 de.codecentric.boot.admin.config; import java.net.InetAddress; import java.net.UnknownHostException; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Value; import org.springframework.boot.actuate.autoconfigure.ManagementServerProperties; import org.springframework.boot.autoconfigure.web.ServerProperties; import org.springframework.boot.context.event.ApplicationReadyEvent; import org.springframework.boot.context.properties.ConfigurationProperties; import org.springframework.context.event.EventListener; import org.springframework.util.StringUtils; @ConfigurationProperties(prefix = "spring.boot.admin.client") public class AdminClientProperties { /** * Client-management-URL to register with. Inferred at runtime, can be overriden in case the * reachable URL is different (e.g. Docker). */ private String managementUrl; /** * Client-service-URL register with. Inferred at runtime, can be overriden in case the reachable * URL is different (e.g. Docker). */ private String serviceUrl; /** * Client-health-URL to register with. Inferred at runtime, can be overriden in case the * reachable URL is different (e.g. Docker). Must be unique in registry. */ private String healthUrl; /** * Name to register with. Defaults to ${spring.application.name} */ @Value("${spring.application.name:spring-boot-application}") private String name; @Value("${endpoints.health.id:health}") private String healthEndpointId; /** * Should the registered urls be built with server.address or with hostname. */ private boolean preferIp = false; @Autowired private ManagementServerProperties management; @Autowired private ServerProperties server; private Integer serverPort; private Integer managementPort; @EventListener public void onApplicationReady(ApplicationReadyEvent event) { if (event.getApplicationContext().getParent() == null) { serverPort = event.getApplicationContext().getEnvironment().getProperty("local.server.port", Integer.class); managementPort = event.getApplicationContext().getEnvironment().getProperty("local.management.port", Integer.class, serverPort); } } public String getManagementUrl() { if (managementUrl != null) { return managementUrl; } if ((managementPort == null || managementPort.equals(serverPort)) && getServiceUrl() != null) { return append(append(getServiceUrl(), server.getServletPrefix()), management.getContextPath()); } if (managementPort == null) { throw new IllegalStateException("serviceUrl must be set when deployed to servlet-container"); } if (preferIp) { InetAddress address = management.getAddress(); if (address == null) { address = getHostAddress(); } return append(append(createLocalUri(address.getHostAddress(), managementPort), server.getContextPath()), management.getContextPath()); } return append(createLocalUri(getHostAddress().getCanonicalHostName(), managementPort), management.getContextPath()); } public void setManagementUrl(String managementUrl) { this.managementUrl = managementUrl; } public String getHealthUrl() { if (healthUrl != null) { return healthUrl; } return append(getManagementUrl(), healthEndpointId); } public void setHealthUrl(String healthUrl) { this.healthUrl = healthUrl; } public String getServiceUrl() { if (serviceUrl != null) { return serviceUrl; } if (serverPort == null) { throw new IllegalStateException("serviceUrl must be set when deployed to servlet-container"); } if (preferIp) { InetAddress address = server.getAddress(); if (address == null) { address = getHostAddress(); } return append(createLocalUri(address.getHostAddress(), serverPort), server.getContextPath()); } return append(createLocalUri(getHostAddress().getCanonicalHostName(), serverPort), server.getContextPath()); } public void setServiceUrl(String serviceUrl) { this.serviceUrl = serviceUrl; } public String getName() { return name; } public void setName(String name) { this.name = name; } public void setPreferIp(boolean preferIp) { this.preferIp = preferIp; } public boolean isPreferIp() { return preferIp; } private String createLocalUri(String host, int port) { String scheme = server.getSsl() != null && server.getSsl().isEnabled() ? "https" : "http"; return scheme + "://" + host + ":" + port; } private String append(String uri, String path) { String baseUri = uri.replaceFirst("/+$", ""); if (StringUtils.isEmpty(path)) { return baseUri; } String normPath = path.replaceFirst("^/+", "").replaceFirst("/+$", ""); return baseUri + "/" + normPath; } private InetAddress getHostAddress() { try { return InetAddress.getLocalHost(); } catch (UnknownHostException ex) { throw new IllegalArgumentException(ex.getMessage(), ex); } } }