common/src/main/java/org/onap/so/client/aai/entities/Relationships.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP - SO
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.so.client.aai.entities;
  22
  23 import java.io.IOException;
  24 import java.util.ArrayList;
  25 import java.util.HashMap;
  26 import java.util.List;
  27 import java.util.Map;
  28 import java.util.Optional;
  29 import java.util.function.Predicate;
  30
  31 import javax.ws.rs.core.UriBuilder;
  32
  33 import org.onap.so.client.aai.AAICommonObjectMapperProvider;
  34 import org.onap.so.client.aai.AAIObjectType;
  35 import org.onap.so.client.aai.AAIResourcesClient;
  36 import org.onap.so.client.aai.entities.uri.AAIResourceUri;
  37 import org.onap.so.client.aai.entities.uri.AAIUriFactory;
  38 import org.onap.so.client.graphinventory.GraphInventoryObjectName;
  39 import org.onap.so.jsonpath.JsonPathUtil;
  40
  41 import com.fasterxml.jackson.core.type.TypeReference;
  42 import com.fasterxml.jackson.databind.ObjectMapper;
  43 import com.google.common.base.CaseFormat;
  44
  45 public class Relationships {
  46
  47         private final ObjectMapper mapper;
  48         private Map<String, Object> map;
  49         private final String jsonBody;
  50         public Relationships(String json) {
  51                 this.jsonBody = json;
  52                 this.mapper = new AAICommonObjectMapperProvider().getMapper();
  53                 try {
  54                         this.map = mapper.readValue(json, new TypeReference<Map<String, Object>>() {});
  55                 } catch (IOException e) {
  56                         this.map = new HashMap<>();
  57                 }
  58         }
  59
  60         public List<AAIResultWrapper> getByType(GraphInventoryObjectName type) {
  61
  62                 return this.getAll(Optional.of(type));
  63         }
  64
  65         public List<AAIResultWrapper> getAll() {
  66
  67                 return this.getAll(Optional.empty());
  68         }
  69
  70
  71         public List<String> getRelatedLinks() {
  72                 return this.getRelatedLinks(Optional.empty());
  73         }
  74
  75         public List<String> getRelatedLinks(GraphInventoryObjectName type) {
  76                 return this.getRelatedLinks(Optional.of(type));
  77         }
  78
  79         public List<AAIResourceUri> getRelatedAAIUris() {
  80                 return this.getRelatedAAIUris(x -> true);
  81         }
  82
  83         public List<AAIResourceUri> getRelatedAAIUris(GraphInventoryObjectName type) {
  84                 return this.getRelatedAAIUris(x -> type.typeName().equals(x));
  85         }
  86         protected List<AAIResourceUri> getRelatedAAIUris(Predicate<String> p) {
  87                 List<AAIResourceUri> result = new ArrayList<>();
  88                 if (map.containsKey("relationship")) {
  89                         List<Map<String, Object>> relationships = (List<Map<String, Object>>)map.get("relationship");
  90                         for (Map<String, Object> relationship : relationships) {
  91                                 final String relatedTo = (String)relationship.get("related-to");
  92                                 if (p.test(relatedTo)) {
  93                                         AAIObjectType type;
  94                                         try {
  95                                                 type = AAIObjectType.valueOf(CaseFormat.LOWER_HYPHEN.to(CaseFormat.UPPER_UNDERSCORE, relatedTo));
  96                                         } catch (IllegalArgumentException e) {
  97                                                 type = AAIObjectType.UNKNOWN;
  98                                         }
  99                                         final String relatedLink = (String)relationship.get("related-link");
 100
 101                                         result.add(AAIUriFactory.createResourceFromExistingURI(type, UriBuilder.fromPath(relatedLink).build()));
 102                                 }
 103                         }
 104                 }
 105                 return result;
 106         }
 107
 108
 109
 110         protected List<AAIResultWrapper> getAll(final Optional<GraphInventoryObjectName> type) {
 111                 List<AAIResourceUri> relatedLinks;
 112                 if (type.isPresent()) {
 113                         relatedLinks = this.getRelatedAAIUris(type.get());
 114                 } else {
 115                         relatedLinks = this.getRelatedAAIUris();
 116                 }
 117                 ArrayList<AAIResultWrapper> result = new ArrayList<>();
 118                 for (AAIResourceUri link : relatedLinks) {
 119                         result.add(this.get(link));
 120                 }
 121                 return result;
 122         }
 123
 124         protected AAIResultWrapper get(AAIResourceUri uri) {
 125                 return new AAIResourcesClient().get(uri);
 126
 127         }
 128
 129         protected List<String> getRelatedLinks(Optional<GraphInventoryObjectName> type) {
 130                 String matcher = "";
 131                 if (type.isPresent()) {
 132                         matcher = "[?(@.related-to=='" + type.get() + "')]";
 133                 }
 134                 return JsonPathUtil.getInstance().locateResultList(this.jsonBody, String.format("$.relationship%s.related-link", matcher));
 135         }
 136
 137         public String getJson() {
 138                 return this.jsonBody;
 139         }
 140 }