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+/**
+ * ============LICENSE_START=======================================================
+ * org.onap.aai
+ * ================================================================================
+ * Copyright © 2017-2018 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.aai.web;
+
+import org.glassfish.jersey.filter.LoggingFilter;
+import org.glassfish.jersey.server.ResourceConfig;
+import org.glassfish.jersey.servlet.ServletProperties;
+import org.onap.aai.rest.QueryConsumer;
+import org.onap.aai.rest.util.EchoResponse;
+import org.reflections.Reflections;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Profile;
+import org.springframework.core.env.Environment;
+import org.springframework.stereotype.Component;
+
+import javax.annotation.Priority;
+import javax.ws.rs.container.ContainerRequestFilter;
+import javax.ws.rs.container.ContainerResponseFilter;
+import java.util.List;
+import java.util.Set;
+import java.util.logging.Logger;
+import java.util.stream.Collectors;
+
+@Component
+public class JerseyConfiguration extends ResourceConfig {
+
+ private static final Logger log = Logger.getLogger(JerseyConfiguration.class.getName());
+
+ private Environment env;
+
+ @Autowired
+ public JerseyConfiguration(Environment env) {
+
+ this.env = env;
+
+ register(QueryConsumer.class);
+
+ register(EchoResponse.class);
+
+ //Request Filters
+ registerFiltersForRequests();
+ // Response Filters
+ registerFiltersForResponses();
+
+ property(ServletProperties.FILTER_FORWARD_ON_404, true);
+
+ // Following registers the request headers and response headers
+ // If the LoggingFilter second argument is set to true, it will print response value as well
+ if ("true".equalsIgnoreCase(env.getProperty("aai.request.logging.enabled"))) {
+ register(new LoggingFilter(log, false));
+ }
+ }
+
+ public void registerFiltersForRequests() {
+
+ // Find all the classes within the interceptors package
+ Reflections reflections = new Reflections("org.onap.aai.interceptors");
+ // Filter them based on the clazz that was passed in
+ Set<Class<? extends ContainerRequestFilter>> filters = reflections.getSubTypesOf(ContainerRequestFilter.class);
+
+
+ // Check to ensure that each of the filter has the @Priority annotation and if not throw exception
+ for (Class filterClass : filters) {
+ if (filterClass.getAnnotation(Priority.class) == null) {
+ throw new RuntimeException("Container filter " + filterClass.getName() + " does not have @Priority annotation");
+ }
+ }
+
+ // Turn the set back into a list
+ List<Class<? extends ContainerRequestFilter>> filtersList = filters
+ .stream()
+ .filter(f -> {
+ if (f.isAnnotationPresent(Profile.class)
+ && !env.acceptsProfiles(f.getAnnotation(Profile.class).value())) {
+ return false;
+ }
+ return true;
+ })
+ .collect(Collectors.toList());
+
+ // Sort them by their priority levels value
+ filtersList.sort((c1, c2) -> Integer.valueOf(c1.getAnnotation(Priority.class).value()).compareTo(c2.getAnnotation(Priority.class).value()));
+
+ // Then register this to the jersey application
+ filtersList.forEach(this::register);
+ }
+
+ public void registerFiltersForResponses() {
+
+ // Find all the classes within the interceptors package
+ Reflections reflections = new Reflections("org.onap.aai.interceptors");
+ // Filter them based on the clazz that was passed in
+ Set<Class<? extends ContainerResponseFilter>> filters = reflections.getSubTypesOf(ContainerResponseFilter.class);
+
+
+ // Check to ensure that each of the filter has the @Priority annotation and if not throw exception
+ for (Class filterClass : filters) {
+ if (filterClass.getAnnotation(Priority.class) == null) {
+ throw new RuntimeException("Container filter " + filterClass.getName() + " does not have @Priority annotation");
+ }
+ }
+
+ // Turn the set back into a list
+ List<Class<? extends ContainerResponseFilter>> filtersList = filters.stream()
+ .filter(f -> {
+ if (f.isAnnotationPresent(Profile.class)
+ && !env.acceptsProfiles(f.getAnnotation(Profile.class).value())) {
+ return false;
+ }
+ return true;
+ })
+ .collect(Collectors.toList());
+
+ // Sort them by their priority levels value
+ filtersList.sort((c1, c2) -> Integer.valueOf(c1.getAnnotation(Priority.class).value()).compareTo(c2.getAnnotation(Priority.class).value()));
+
+ // Then register this to the jersey application
+ filtersList.forEach(this::register);
+ }
+}