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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.so.client.aai.entities.uri;
import java.io.IOException;
import java.net.URI;
import java.util.Map;
import java.util.Optional;
import javax.ws.rs.BadRequestException;
import javax.ws.rs.NotFoundException;
import javax.ws.rs.core.UriBuilder;
import org.onap.so.client.aai.AAIObjectType;
import org.onap.so.client.aai.AAIResourcesClient;
import org.onap.so.client.aai.entities.Results;
import org.onap.so.client.graphinventory.Format;
import org.onap.so.client.graphinventory.entities.Pathed;
import org.onap.so.client.graphinventory.entities.uri.HttpAwareUri;
import org.onap.so.client.graphinventory.exceptions.GraphInventoryPayloadException;
import org.onap.so.client.graphinventory.exceptions.GraphInventoryUriComputationException;
import org.onap.so.client.graphinventory.exceptions.GraphInventoryUriNotFoundException;
import org.onap.so.client.graphinventory.exceptions.IncorrectNumberOfUriKeys;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
public abstract class HttpLookupUri extends AAISimpleUri implements HttpAwareUri {
private Optional<String> cachedValue = Optional.empty();
private final AAIObjectType aaiType;
protected HttpLookupUri(AAIObjectType type, Object... values) {
super(type, values);
this.aaiType = type;
}
protected HttpLookupUri(AAIObjectType type, UriBuilder builder, Optional<String> cachedValue, Object... values) {
super(type, builder, values);
this.cachedValue = cachedValue;
this.aaiType = type;
}
protected String getObjectById(Object id) throws GraphInventoryUriNotFoundException, GraphInventoryPayloadException {
if (!this.getCachedValue().isPresent()) {
AAIResourceUri serviceInstanceUri = AAIUriFactory.createNodesUri(aaiType, id).format(Format.PATHED);
String resultJson;
try {
resultJson = this.getResourcesClient().get(serviceInstanceUri, NotFoundException.class).getJson();
} catch (BadRequestException e) {
throw new GraphInventoryUriNotFoundException(aaiType.typeName() + " " + id + " not found at: " + serviceInstanceUri.build());
}
try {
cachedValue = extractRelatedLink(resultJson);
if (!cachedValue.isPresent()) {
throw new GraphInventoryUriNotFoundException(aaiType.typeName() + " " + id + " not found at: " + serviceInstanceUri.build());
}
} catch (IOException e) {
throw new GraphInventoryPayloadException("could not map payload: " + resultJson, e);
}
}
Optional<String> cachedValueOpt = this.getCachedValue();
return cachedValueOpt.isPresent() ? cachedValueOpt.get() : "";
}
protected Optional<String> extractRelatedLink(String jsonString) throws IOException {
Optional<String> result;
ObjectMapper mapper = new ObjectMapper();
Results<Pathed> results = mapper.readValue(jsonString, new TypeReference<Results<Pathed>>(){});
if (results.getResult().size() == 1) {
String uriString = results.getResult().get(0).getResourceLink();
URI uri = UriBuilder.fromUri(uriString).build();
String rawPath = uri.getRawPath();
result = Optional.of(rawPath.replaceAll("/aai/v\\d+", ""));
} else if (results.getResult().isEmpty()) {
result = Optional.empty();
} else {
throw new IllegalStateException("more than one result returned");
}
return result;
}
protected Optional<String> getCachedValue() {
return this.cachedValue;
}
@Override
public URI build() {
try {
if (this.values.length == 1) {
String uri = getObjectById(this.values[0]);
Map<String, String> map = getURIKeys(uri);
return super.build(map.values().toArray(values));
}
} catch (GraphInventoryUriNotFoundException | GraphInventoryPayloadException e) {
throw new GraphInventoryUriComputationException(e);
}
return super.build();
}
@Override
public abstract HttpLookupUri clone();
@Override
public void validateValuesSize(String template, Object... values) {
try {
super.validateValuesSize(template, values);
} catch (IncorrectNumberOfUriKeys e) {
if (values.length == 1) {
//Special case where we perform an http look up
} else {
throw e;
}
}
}
public AAIResourcesClient getResourcesClient() {
return new AAIResourcesClient();
}
@Override
public abstract URI buildNoNetwork();
}
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