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/*
* Copyright (C) 2021 Samsung Electronics
* 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.onap.a1pesimulator.service.a1;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Service;
import org.springframework.web.client.RestClientException;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
/**
* A1 Service implementation which uses in-memory policy data store.
*/
@Service
public class RanA1ServiceLocalStoreImpl implements A1Service {
private static final Logger log = LoggerFactory.getLogger(RanA1ServiceLocalStoreImpl.class);
private Map<Integer, Map<String, String>> policyTypesMap = new HashMap<>();
private Map<Integer, String> policySchemaMap = new HashMap<>();
private ObjectMapper mapper;
public RanA1ServiceLocalStoreImpl(ObjectMapper mapper) {
this.mapper = mapper;
}
@Override
public ResponseEntity<String> healthCheck() throws RestClientException {
return ResponseEntity.ok().build();
}
@Override
public ResponseEntity<String> putPolicySchema(Integer policyTypeId, String body) {
policySchemaMap.put(policyTypeId, body);
return new ResponseEntity<>(HttpStatus.CREATED);
}
@Override
public ResponseEntity<String> putPolicy(final Integer policyTypeId, final String policyId, final String body) {
log.debug("Create or update policy id {} of policy type id {} with following content {} ", policyId,
policyTypeId, body);
if (policyTypesMap.containsKey(policyTypeId)) {
policyTypesMap.get(policyTypeId).put(policyId, body);
} else {
Map<String, String> policies = new HashMap<>();
policies.put(policyId, body);
policyTypesMap.put(policyTypeId, policies);
}
return ResponseEntity.accepted().build();
}
@Override
public ResponseEntity<String> deletePolicy(final Integer policyTypeId, final String policyId) {
log.debug("Delete policy id {} of policy type id {}", policyId, policyTypeId);
if (policyTypesMap.containsKey(policyTypeId)) {
policyTypesMap.get(policyTypeId).remove(policyId);
return ResponseEntity.accepted().build();
} else {
return ResponseEntity.notFound().build();
}
}
@Override
public ResponseEntity<String> getPolicyTypeIds() throws RestClientException {
return getRestAsString(policySchemaMap.keySet());
}
@Override
public ResponseEntity<String> getPolicyType(final Integer policyTypeId) throws RestClientException {
if (policySchemaMap.isEmpty() || !policySchemaMap.containsKey(policyTypeId)) {
return ResponseEntity.notFound().build();
} else {
return ResponseEntity.ok().contentType(MediaType.APPLICATION_JSON).body(policySchemaMap.get(policyTypeId));
}
}
@Override
public ResponseEntity<String> getPolicyIdsOfType(final Integer policyTypeId) throws RestClientException {
Set<String> result = new HashSet<>();
if (policyTypesMap.containsKey(policyTypeId)) {
result = policyTypesMap.get(policyTypeId).keySet();
}
return getRestAsString(result);
}
@Override
public ResponseEntity<String> getPolicy(final Integer policyTypeId, final String policyId)
throws RestClientException {
if (policyTypesMap.containsKey(policyTypeId) && policyTypesMap.get(policyTypeId).containsKey(policyId)) {
return ResponseEntity.ok().contentType(MediaType.APPLICATION_JSON)
.body(policyTypesMap.get(policyTypeId).get(policyId));
} else {
return ResponseEntity.notFound().build();
}
}
@Override
public ResponseEntity<String> getAllPoliciesForType(final Integer policyTypeId) throws RestClientException {
return getRestAsString(policyTypesMap.get(policyTypeId));
}
private ResponseEntity<String> getRestAsString(Object obj) throws RestClientException {
try {
return ResponseEntity.ok().contentType(MediaType.APPLICATION_JSON).body(mapper.writeValueAsString(obj));
} catch (JsonProcessingException e) {
throw new RuntimeException("Cannot serialize object", e);
}
}
}
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