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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 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.aaiclient.client.graphinventory.entities;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.function.Predicate;
import org.onap.aaiclient.client.graphinventory.GraphInventoryCommonObjectMapperProvider;
import org.onap.aaiclient.client.graphinventory.GraphInventoryObjectName;
import org.onap.aaiclient.client.graphinventory.GraphInventoryObjectType;
import org.onap.aaiclient.client.graphinventory.entities.uri.GraphInventorySingleResourceUri;
import org.onap.so.jsonpath.JsonPathUtil;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
public abstract class GraphInventoryRelationships<Wrapper extends GraphInventoryResultWrapper<?>, Uri extends GraphInventorySingleResourceUri<?, ?, ?, ?>, Type extends GraphInventoryObjectType> {
protected final ObjectMapper mapper;
protected Map<String, Object> map;
protected final String jsonBody;
public GraphInventoryRelationships(String json) {
this.jsonBody = json;
this.mapper = new GraphInventoryCommonObjectMapperProvider().getMapper();
try {
this.map = mapper.readValue(json, new TypeReference<Map<String, Object>>() {});
} catch (IOException e) {
this.map = new HashMap<>();
}
}
public List<Wrapper> getByType(GraphInventoryObjectName type) {
return this.getAll(Optional.of(type));
}
public List<Wrapper> getAll() {
return this.getAll(Optional.empty());
}
public List<String> getRelatedLinks() {
return this.getRelatedLinks(Optional.empty());
}
public List<String> getRelatedLinks(GraphInventoryObjectName type) {
return this.getRelatedLinks(Optional.of(type));
}
public List<Uri> getRelatedUris() {
return this.getRelatedUris(x -> true);
}
public List<Uri> getRelatedUris(GraphInventoryObjectName type) {
return this.getRelatedUris(x -> type.typeName().equals(x));
}
protected List<Uri> getRelatedUris(Predicate<String> p) {
List<Uri> result = new ArrayList<>();
if (map.containsKey("relationship")) {
List<Map<String, Object>> relationships = (List<Map<String, Object>>) map.get("relationship");
for (Map<String, Object> relationship : relationships) {
final String relatedTo = (String) relationship.get("related-to");
if (p.test(relatedTo)) {
Type type;
type = fromTypeName(relatedTo);
final String relatedLink = (String) relationship.get("related-link");
result.add(createUri(type, relatedLink));
}
}
}
return result;
}
protected List<Wrapper> getAll(final Optional<GraphInventoryObjectName> type) {
List<Uri> relatedLinks;
if (type.isPresent()) {
relatedLinks = this.getRelatedUris(type.get());
} else {
relatedLinks = this.getRelatedUris();
}
ArrayList<Wrapper> result = new ArrayList<>();
for (Uri link : relatedLinks) {
result.add(this.get(link));
}
return result;
}
protected abstract Wrapper get(Uri uri);
protected abstract Uri createUri(Type type, String relatedLink);
protected abstract Type fromTypeName(String name);
protected List<String> getRelatedLinks(Optional<GraphInventoryObjectName> type) {
String matcher = "";
if (type.isPresent()) {
matcher = "[?(@.related-to=='" + type.get().typeName() + "')]";
}
return JsonPathUtil.getInstance().locateResultList(this.jsonBody,
String.format("$.relationship%s.related-link", matcher));
}
public String getJson() {
return this.jsonBody;
}
}
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