2 * ============LICENSE_START=======================================================
3 * dcaegen2-collectors-veshv
4 * ================================================================================
5 * Copyright (C) 2018 NOKIA
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=========================================================
20 package org.onap.dcae.collectors.veshv.ves.message.generator.impl
22 import arrow.core.Option
23 import com.google.protobuf.util.JsonFormat
24 import org.onap.dcae.collectors.veshv.domain.headerRequiredFieldDescriptors
25 import org.onap.ves.VesEventOuterClass.CommonEventHeader
26 import javax.json.JsonObject
29 * @author Jakub Dudycz <jakub.dudycz@nokia.com>
32 class CommonEventHeaderParser {
33 fun parse(json: JsonObject): Option<CommonEventHeader> =
35 CommonEventHeader.newBuilder()
36 .apply { JsonFormat.parser().merge(json.toString(), this) }
38 .takeUnless { !isValid(it) }
42 private fun isValid(header: CommonEventHeader): Boolean {
43 return allMandatoryFieldsArePresent(header)
46 private fun allMandatoryFieldsArePresent(header: CommonEventHeader) =
47 headerRequiredFieldDescriptors
48 .all { fieldDescriptor -> header.hasField(fieldDescriptor) }