Java tutorial
/* * Copyright 2012-2019 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.test.web.client; import org.springframework.boot.web.client.RootUriTemplateHandler; import org.springframework.core.env.Environment; import org.springframework.util.Assert; import org.springframework.web.util.DefaultUriBuilderFactory; import org.springframework.web.util.UriTemplateHandler; /** * {@link UriTemplateHandler} will automatically prefix relative URIs with * <code>localhost:${local.server.port}</code>. * * @author Phillip Webb * @author Andy Wilkinson * @author Edd Melndez * @author Madhura Bhave * @since 1.4.0 */ public class LocalHostUriTemplateHandler extends RootUriTemplateHandler { private static final String PREFIX = "server.servlet."; private final Environment environment; private final String scheme; /** * Create a new {@code LocalHostUriTemplateHandler} that will generate {@code http} * URIs using the given {@code environment} to determine the context path and port. * @param environment the environment used to determine the port */ public LocalHostUriTemplateHandler(Environment environment) { this(environment, "http"); } /** * Create a new {@code LocalHostUriTemplateHandler} that will generate URIs with the * given {@code scheme} and use the given {@code environment} to determine the * context-path and port. * @param environment the environment used to determine the port * @param scheme the scheme of the root uri * @since 1.4.1 */ public LocalHostUriTemplateHandler(Environment environment, String scheme) { this(environment, scheme, new DefaultUriBuilderFactory()); } /** * Create a new {@code LocalHostUriTemplateHandler} that will generate URIs with the * given {@code scheme}, use the given {@code environment} to determine the * context-path and port and delegate to the given template {@code handler}. * @param environment the environment used to determine the port * @param scheme the scheme of the root uri * @param handler the delegate handler * @since 2.0.3 */ public LocalHostUriTemplateHandler(Environment environment, String scheme, UriTemplateHandler handler) { super(handler); Assert.notNull(environment, "Environment must not be null"); Assert.notNull(scheme, "Scheme must not be null"); this.environment = environment; this.scheme = scheme; } @Override public String getRootUri() { String port = this.environment.getProperty("local.server.port", "8080"); String contextPath = this.environment.getProperty(PREFIX + "context-path", ""); return this.scheme + "://localhost:" + port + contextPath; } }