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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 static java.lang.Boolean.parseBoolean;
import static java.util.Comparator.comparingInt;
import com.google.common.collect.Sets;
import java.lang.reflect.AnnotatedElement;
import java.util.Collection;
import java.util.Comparator;
import java.util.Set;
import java.util.logging.Logger;
import javax.annotation.Priority;
import org.glassfish.jersey.server.ResourceConfig;
import org.glassfish.jersey.servlet.ServletProperties;
import org.onap.aai.rest.*;
import org.onap.aai.rest.search.ModelAndNamedQueryRestProvider;
import org.onap.aai.rest.search.SearchProvider;
import org.onap.aai.rest.util.EchoResponse;
import org.slf4j.LoggerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Profile;
import org.springframework.core.env.Environment;
@Configuration
public class JerseyConfiguration {
private static final Logger log = Logger.getLogger(JerseyConfiguration.class.getName());
private static final org.slf4j.Logger logger =
LoggerFactory.getLogger(JerseyConfiguration.class.getName());
private static final String LOGGING_ENABLED_PROPERTY = "aai.request.logging.enabled";
private static final boolean ENABLE_RESPONSE_LOGGING = false;
private final Environment environment;
public JerseyConfiguration(Environment environment) {
this.environment = environment;
}
@Bean
public ResourceConfig resourceConfig() {
ResourceConfig resourceConfig = new ResourceConfig();
resourceConfig.property(ServletProperties.FILTER_FORWARD_ON_404, true);
Set<Class<?>> classes = Sets.newHashSet(SearchProvider.class,
ModelAndNamedQueryRestProvider.class, QueryConsumer.class, RecentAPIConsumer.class, EchoResponse.class, CQ2Gremlin.class, CQ2GremlinTest.class);
Set<Class<?>> filterClasses =
Sets.newHashSet(
org.onap.aai.interceptors.pre.RequestTransactionLogging.class,
org.onap.aai.interceptors.pre.HeaderValidation.class,
org.onap.aai.interceptors.pre.HttpHeaderInterceptor.class,
org.onap.aai.interceptors.pre.OneWaySslAuthorization.class,
org.onap.aai.interceptors.pre.VersionLatestInterceptor.class,
org.onap.aai.interceptors.pre.RetiredInterceptor.class,
org.onap.aai.interceptors.pre.VersionInterceptor.class,
org.onap.aai.interceptors.pre.RequestHeaderManipulation.class,
org.onap.aai.interceptors.pre.RequestModification.class,
org.onap.aai.interceptors.post.InvalidResponseStatus.class,
org.onap.aai.interceptors.post.ResponseTransactionLogging.class,
org.onap.aai.interceptors.post.ResponseHeaderManipulation.class
);
resourceConfig.registerClasses(classes);
logger.debug("REGISTERED CLASSES " + classes.toString());
throwIfPriorityAnnotationAbsent(filterClasses);
filterClasses.stream().filter(this::isEnabledByActiveProfiles).sorted(priorityComparator())
.forEach(resourceConfig::register);
filterClasses.stream().filter(this::isEnabledByActiveProfiles).sorted(priorityComparator())
.forEach(s -> logger.debug("REGISTERED FILTERS " + s.getName()));
return resourceConfig;
}
private <T> void throwIfPriorityAnnotationAbsent(Collection<Class<? extends T>> classes) {
for (Class<? extends T> clazz : classes) {
if (!clazz.isAnnotationPresent(Priority.class)) {
logger.debug("throwIfPriorityAnnotationAbsent: missing filter priority for : "
+ clazz.getName());
throw new MissingFilterPriorityException(clazz);
}
}
}
private <T> Comparator<Class<? extends T>> priorityComparator() {
return comparingInt(clazz -> clazz.getAnnotation(Priority.class).value());
}
private boolean isLoggingEnabled() {
return parseBoolean(environment.getProperty(LOGGING_ENABLED_PROPERTY));
}
private boolean isEnabledByActiveProfiles(AnnotatedElement annotatedElement) {
boolean result = !annotatedElement.isAnnotationPresent(Profile.class)
|| environment.acceptsProfiles(annotatedElement.getAnnotation(Profile.class).value());
logger.debug("isEnabledByActiveProfiles: annotatedElement: " + annotatedElement.toString()
+ " result=" + result);
return result;
}
private class MissingFilterPriorityException extends RuntimeException {
private MissingFilterPriorityException(Class<?> clazz) {
super("Container filter " + clazz.getName() + " does not have @Priority annotation");
}
}
}
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