/**
* JBoss, Home of Professional Open Source
* Copyright Red Hat, Inc., and individual contributors
*
* 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 org.jboss.aerogear.unifiedpush.rest;
import org.jboss.aerogear.unifiedpush.service.PushSearchService;
import org.jboss.aerogear.unifiedpush.service.impl.SearchManager;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.inject.Inject;
import javax.servlet.http.HttpServletRequest;
import javax.validation.ConstraintViolation;
import javax.validation.ConstraintViolationException;
import javax.validation.Validator;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.ResponseBuilder;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
/**
* Base class for all RESTful endpoints. Offers hooks for common features like validation
*/
public abstract class AbstractBaseEndpoint {
protected final Logger logger = LoggerFactory.getLogger(getClass());
@Inject
private Validator validator;
@Inject
private SearchManager searchManager;
@Context
private HttpServletRequest httpServletRequest;
/**
* Generic validator used to identify constraint violations of the given model class.
*
* @param model object to validate
* @throws ConstraintViolationException if constraint violations on the given model have been identified.
*/
protected void validateModelClass(Object model) {
final Set<ConstraintViolation<Object>> violations = validator.validate(model);
// in case of an invalid model, we throw a ConstraintViolationException, containing the violations:
if (!violations.isEmpty()) {
throw new ConstraintViolationException(
new HashSet<>(violations));
}
}
/**
* Helper function to create a 400 Bad Request response, containing a JSON map giving details about the violations
*
* @param violations set of occurred constraint violations
* @return 400 Bad Request response, containing details on the constraint violations
*/
protected ResponseBuilder createBadRequestResponse(Set<ConstraintViolation<?>> violations) {
final Map<String, String> responseObj = violations.stream()
.collect(Collectors.toMap(v -> v.getPropertyPath().toString(), ConstraintViolation::getMessage));
return Response.status(Response.Status.BAD_REQUEST)
.entity(responseObj);
}
/**
* offers PushSearchService to subclasses
*
* @return the push search service
*/
protected PushSearchService getSearch(){
return searchManager.getSearchService();
}
}