Java tutorial
/* * The MIT License * * Copyright 2013-2014 Czech Technical University in Prague. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package cz.cvut.zuul.samples.client.config; import cz.cvut.zuul.samples.client.RemoteService; import cz.cvut.zuul.samples.client.RemoteServiceImpl; import cz.cvut.zuul.support.spring.client.OAuth2RestTemplateBuilder; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.context.annotation.PropertySource; import org.springframework.context.support.PropertySourcesPlaceholderConfigurer; import org.springframework.core.env.Environment; import org.springframework.security.oauth2.common.AuthenticationScheme; import org.springframework.web.client.RestTemplate; /** * This configuration is currently used only when the application is * initialized via {@link ServletInitializer}, otherwise is ignored. */ @Configuration @PropertySource("classpath:/config/client-config.properties") public class RootContextConfig { @Autowired Environment env; @Bean static PropertySourcesPlaceholderConfigurer placeholderConfigurer() { return new PropertySourcesPlaceholderConfigurer(); } @Bean RestTemplate oauthRestTemplate() { return new OAuth2RestTemplateBuilder().clientCredentialsGrant().id("sample").clientId($("oauth.client_id")) .clientSecret($("oauth.client_secret")).scope($("oauth.scope")) .accessTokenUri($("oauth.token_endpoint")).clientAuthenticationScheme(AuthenticationScheme.form) .build(); } @Bean RemoteService remoteService() { return new RemoteServiceImpl(oauthRestTemplate()); } private String $(String key) { return env.getProperty(key); } }