2 * ============LICENSE_START=======================================================
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
11 * http://www.apache.org/licenses/LICENSE-2.0
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=========================================================
21 package org.onap.aaiclient.client.aai.entities.uri;
23 import java.io.IOException;
24 import java.io.ObjectInputStream;
25 import java.io.ObjectOutputStream;
28 import java.util.Optional;
29 import javax.ws.rs.BadRequestException;
30 import javax.ws.rs.NotFoundException;
31 import javax.ws.rs.core.UriBuilder;
32 import org.onap.aaiclient.client.aai.AAIObjectType;
33 import org.onap.aaiclient.client.aai.AAIResourcesClient;
34 import org.onap.aaiclient.client.aai.entities.Results;
35 import org.onap.aaiclient.client.graphinventory.Format;
36 import org.onap.aaiclient.client.graphinventory.entities.Pathed;
37 import org.onap.aaiclient.client.graphinventory.entities.uri.HttpAwareUri;
38 import org.onap.aaiclient.client.graphinventory.exceptions.GraphInventoryPayloadException;
39 import org.onap.aaiclient.client.graphinventory.exceptions.GraphInventoryUriComputationException;
40 import org.onap.aaiclient.client.graphinventory.exceptions.GraphInventoryUriNotFoundException;
41 import org.onap.aaiclient.client.graphinventory.exceptions.IncorrectNumberOfUriKeys;
42 import com.fasterxml.jackson.core.type.TypeReference;
43 import com.fasterxml.jackson.databind.ObjectMapper;
45 public abstract class HttpLookupUri extends AAISimpleUri implements HttpAwareUri {
47 private transient Optional<String> cachedValue = Optional.empty();
48 protected final AAIObjectType aaiType;
50 protected HttpLookupUri(AAIObjectType type, Object... values) {
55 protected HttpLookupUri(AAIObjectType type, UriBuilder builder, Optional<String> cachedValue, Object... values) {
56 super(type, builder, values);
57 this.cachedValue = cachedValue;
61 protected String getObjectById(Object id)
62 throws GraphInventoryUriNotFoundException, GraphInventoryPayloadException {
63 if (!this.getCachedValue().isPresent()) {
64 AAIResourceUri serviceInstanceUri = AAIUriFactory.createNodesUri(aaiType, id).format(Format.PATHED);
67 resultJson = this.getResourcesClient().get(serviceInstanceUri, NotFoundException.class).getJson();
68 } catch (BadRequestException e) {
69 throw new GraphInventoryUriNotFoundException(
70 aaiType.typeName() + " " + id + " not found at: " + serviceInstanceUri.build());
74 cachedValue = extractRelatedLink(resultJson);
75 if (!cachedValue.isPresent()) {
76 throw new GraphInventoryUriNotFoundException(
77 aaiType.typeName() + " " + id + " not found at: " + serviceInstanceUri.build());
79 } catch (IOException e) {
80 throw new GraphInventoryPayloadException("could not map payload: " + resultJson, e);
83 return cachedValue.get();
86 protected Optional<String> extractRelatedLink(String jsonString) throws IOException {
87 Optional<String> result;
88 ObjectMapper mapper = new ObjectMapper();
90 Results<Pathed> results = mapper.readValue(jsonString, new TypeReference<Results<Pathed>>() {});
91 if (results.getResult().size() == 1) {
92 String uriString = results.getResult().get(0).getResourceLink();
93 URI uri = UriBuilder.fromUri(uriString).build();
94 String rawPath = uri.getRawPath();
95 result = Optional.of(rawPath.replaceAll("/aai/v\\d+", ""));
96 } else if (results.getResult().isEmpty()) {
97 result = Optional.empty();
99 throw new IllegalStateException("more than one result returned");
105 protected Optional<String> getCachedValue() {
106 return this.cachedValue;
112 if (this.values.length == 1) {
113 String uri = getObjectById(this.values[0]);
114 Map<String, String> map = super.getURIKeys(uri);
115 this.values = map.values().toArray(values);
116 return super.build(values);
118 } catch (GraphInventoryUriNotFoundException | GraphInventoryPayloadException e) {
119 throw new GraphInventoryUriComputationException(e);
121 return super.build();
125 public URI locateAndBuild() {
127 if (this.values.length == 1) {
128 String uri = getObjectById(this.values[0]);
129 Map<String, String> map = super.getURIKeys(uri);
130 this.values = map.values().toArray(values);
131 return super.build(values);
133 } catch (GraphInventoryUriNotFoundException | GraphInventoryPayloadException e) {
134 throw new GraphInventoryUriComputationException(e);
136 return super.build();
140 public abstract HttpLookupUri clone();
143 public void validateValuesSize(String template, Object... values) {
145 super.validateValuesSize(template, values);
146 } catch (IncorrectNumberOfUriKeys e) {
147 if (values.length == 1) {
148 // Special case where we perform an http look up
155 public AAIResourcesClient getResourcesClient() {
156 return new AAIResourcesClient();
159 private void writeObject(ObjectOutputStream oos) throws IOException {
161 oos.writeUTF(this.cachedValue.orElse(""));
164 private void readObject(ObjectInputStream ois) throws IOException {
166 String value = ois.readUTF();
167 if ("".equals(value)) {
168 this.cachedValue = Optional.empty();
170 this.cachedValue = Optional.ofNullable(value);