diff options
Diffstat (limited to 'graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/graphinventory/entities/GraphInventoryResultWrapper.java')
-rw-r--r-- | graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/graphinventory/entities/GraphInventoryResultWrapper.java | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/graphinventory/entities/GraphInventoryResultWrapper.java b/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/graphinventory/entities/GraphInventoryResultWrapper.java new file mode 100644 index 0000000000..9e6572388b --- /dev/null +++ b/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/graphinventory/entities/GraphInventoryResultWrapper.java @@ -0,0 +1,125 @@ +/*- + * ============LICENSE_START======================================================= + * ONAP - SO + * ================================================================================ + * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * Modifications Copyright (c) 2019 Samsung + * ================================================================================ + * 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.io.Serializable; +import java.util.HashMap; +import java.util.Map; +import java.util.Optional; +import org.onap.aaiclient.client.graphinventory.GraphInventoryCommonObjectMapperProvider; +import org.onap.so.jsonpath.JsonPathUtil; +import org.slf4j.Logger; +import com.fasterxml.jackson.core.JsonProcessingException; +import com.fasterxml.jackson.core.type.TypeReference; +import com.fasterxml.jackson.databind.ObjectMapper; + +public abstract class GraphInventoryResultWrapper<R extends GraphInventoryRelationships<?, ?, ?>> + implements Serializable { + + private static final long serialVersionUID = 5895841925807816727L; + protected final String jsonBody; + protected final ObjectMapper mapper; + private final transient Logger logger; + + protected GraphInventoryResultWrapper(String json, Logger logger) { + this.jsonBody = json; + this.mapper = new GraphInventoryCommonObjectMapperProvider().getMapper(); + this.logger = logger; + } + + protected GraphInventoryResultWrapper(Object aaiObject, Logger logger) { + this.mapper = new GraphInventoryCommonObjectMapperProvider().getMapper(); + this.jsonBody = mapObjectToString(aaiObject); + this.logger = logger; + } + + protected String mapObjectToString(Object aaiObject) { + try { + return mapper.writeValueAsString(aaiObject); + } catch (JsonProcessingException e) { + logger.warn("could not parse object into json - defaulting to empty object"); + return "{}"; + } + } + + public Optional<R> getRelationships() { + final String path = "$.relationship-list"; + if (isEmpty()) { + return Optional.empty(); + } + Optional<String> result = JsonPathUtil.getInstance().locateResult(jsonBody, path); + if (result.isPresent()) { + return Optional.of(createRelationships(result.get())); + } else { + return Optional.empty(); + } + } + + protected abstract R createRelationships(String json); + + public String getJson() { + if (jsonBody == null) { + return "{}"; + } else { + return jsonBody; + } + } + + public Map<String, Object> asMap() { + + return asBean(new TypeReference<Map<String, Object>>() {}).orElse(new HashMap<>()); + } + + public <T> Optional<T> asBean(Class<T> clazz) { + if (isEmpty()) { + return Optional.empty(); + } + try { + return Optional.of(mapper.readValue(this.jsonBody, clazz)); + } catch (IOException e) { + return Optional.empty(); + } + } + + public <T> Optional<T> asBean(TypeReference<T> reference) { + if (isEmpty()) { + return Optional.empty(); + } + try { + return Optional.of(mapper.readValue(this.jsonBody, reference)); + } catch (IOException e) { + return Optional.empty(); + } + } + + public boolean isEmpty() { + return jsonBody == null; + } + + @Override + public String toString() { + return this.getJson(); + } + +} |