Java tutorial
/* * Copyright (c) 2014 Intellectual Reserve, Inc. All rights reserved. * * 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 cf.spring.servicebroker; import cf.spring.HttpBasicAuthenticator; import com.fasterxml.jackson.databind.ObjectMapper; import org.springframework.web.HttpRequestHandler; import javax.inject.Provider; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; /** * Publishes the service catalog to "/v2/services". The catalog is built automatically using all the Spring beans * annotated with {@code @ServiceBroker}. * * @author Mike Heath <elcapo@gmail.com> */ class CatalogHandler implements HttpRequestHandler { private final ObjectMapper mapper = new ObjectMapper(); private final HttpBasicAuthenticator authenticator; private final Provider<Catalog> catalog; CatalogHandler(HttpBasicAuthenticator authenticator, Provider<Catalog> catalog) { this.authenticator = authenticator; this.catalog = catalog; } @Override public void handleRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { if (!"get".equalsIgnoreCase(request.getMethod())) { response.setStatus(HttpServletResponse.SC_METHOD_NOT_ALLOWED); return; } if (!authenticator.authenticate(request, response)) { return; } ApiVersionValidator.validateApiVersion(request); response.setContentType(Constants.JSON_CONTENT_TYPE); mapper.writeValue(response.getOutputStream(), catalog.get()); } }