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Diffstat (limited to 'src/main/java/org/onap/ves/openapi/manager/service/serialization/VesEventsArtifactDeserializer.java')
-rw-r--r-- | src/main/java/org/onap/ves/openapi/manager/service/serialization/VesEventsArtifactDeserializer.java | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/src/main/java/org/onap/ves/openapi/manager/service/serialization/VesEventsArtifactDeserializer.java b/src/main/java/org/onap/ves/openapi/manager/service/serialization/VesEventsArtifactDeserializer.java new file mode 100644 index 0000000..4bd6761 --- /dev/null +++ b/src/main/java/org/onap/ves/openapi/manager/service/serialization/VesEventsArtifactDeserializer.java @@ -0,0 +1,69 @@ +/* + * ============LICENSE_START======================================================= + * VES-OPENAPI-MANAGER + * ================================================================================ + * Copyright (C) 2021 Nokia. 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.ves.openapi.manager.service.serialization; + +import com.fasterxml.jackson.databind.ObjectMapper; +import com.fasterxml.jackson.databind.node.ObjectNode; +import com.fasterxml.jackson.dataformat.yaml.YAMLFactory; +import com.fasterxml.jackson.dataformat.yaml.YAMLParser; +import lombok.extern.log4j.Log4j2; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.stereotype.Service; + +import java.io.IOException; +import java.util.Collections; +import java.util.List; + +/** + * VesEventsArtifactDeserializer - Deserializer of byte array of MultiDocument YAML to ObjectNodes + */ +@Log4j2 +@Service +public class VesEventsArtifactDeserializer { + + private static final String COULD_NOT_READ_ARTIFACT_CONTENT_MESSAGE = "Couldn't read artifact content"; + private final ObjectMapper objectMapper; + + /** + * Constructor of VesEventsArtifactDeserializer + * @param objectMapper ObjectMapper for YAML parsing + */ + @Autowired + public VesEventsArtifactDeserializer(ObjectMapper objectMapper) { + this.objectMapper = objectMapper; + } + + /** + * Deserializes MultiDocument YAML given as byte array + * @param data MultiDocument YAML as byte array + * @return List of ObjectNodes, each Document is separate ObjectNode + */ + public List<ObjectNode> deserializeMultiDocumentYaml(byte[] data) { + List<ObjectNode> events = Collections.emptyList(); + try { + YAMLParser yamlParser = new YAMLFactory().createParser(data); + events = objectMapper.readValues(yamlParser, ObjectNode.class).readAll(); + } catch (IOException e) { + log.error(COULD_NOT_READ_ARTIFACT_CONTENT_MESSAGE, e); + } + return events; + } +} |