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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.retired.V3ThroughV7Consumer;
import org.onap.aai.rest.search.ModelAndNamedQueryRestProvider;
import org.onap.aai.rest.search.SearchProvider;
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.ApplicationPath;
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
@ApplicationPath("/aai")
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(SearchProvider.class);
register(ModelAndNamedQueryRestProvider.class);
register(QueryConsumer.class);
register(V3ThroughV7Consumer.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);
}
}
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