Move MessageParametersParser

To avoid dependency of utilities module on modules other than domain

Change-Id: I90ef8640a86501315d84848118d3e748aafd095c
Signed-off-by: fkrzywka <filip.krzywka@nokia.com>
Issue-ID: DCAEGEN2-601

6 files changed, 304 insertions, 0 deletions

diff --git a/hv-collector-ves-message-generator/pom.xml b/hv-collector-ves-message-generator/pom.xml
index a7dad24b..f049d78f 100644
--- a/hv-collector-ves-message-generator/pom.xml
+++ b/hv-collector-ves-message-generator/pom.xml
@@ -95,6 +95,10 @@
             <artifactId>logback-classic</artifactId>
             <scope>runtime</scope>
         </dependency>
+        <dependency>
+            <groupId>org.glassfish</groupId>
+            <artifactId>javax.json</artifactId>
+        </dependency>
     </dependencies>
 
 
diff --git a/hv-collector-ves-message-generator/src/main/kotlin/org/onap/dcae/collectors/veshv/ves/message/generator/api/MessageParametersParser.kt b/hv-collector-ves-message-generator/src/main/kotlin/org/onap/dcae/collectors/veshv/ves/message/generator/api/MessageParametersParser.kt
new file mode 100644
index 00000000..060f28a2
--- /dev/null
+++ b/hv-collector-ves-message-generator/src/main/kotlin/org/onap/dcae/collectors/veshv/ves/message/generator/api/MessageParametersParser.kt
@@ -0,0 +1,33 @@
+/*
+ * ============LICENSE_START=======================================================
+ * dcaegen2-collectors-veshv
+ * ================================================================================
+ * Copyright (C) 2018 NOKIA
+ * ================================================================================
+ * 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.dcae.collectors.veshv.ves.message.generator.api
+
+import org.onap.dcae.collectors.veshv.ves.message.generator.impl.MessageParametersParserImpl
+import javax.json.JsonArray
+
+interface MessageParametersParser {
+    fun parse(request: JsonArray): List<MessageParameters>
+
+    companion object {
+        val INSTANCE: MessageParametersParser by lazy {
+            MessageParametersParserImpl()
+        }
+    }
+}
diff --git a/hv-collector-ves-message-generator/src/main/kotlin/org/onap/dcae/collectors/veshv/ves/message/generator/impl/CommonEventHeaderParser.kt b/hv-collector-ves-message-generator/src/main/kotlin/org/onap/dcae/collectors/veshv/ves/message/generator/impl/CommonEventHeaderParser.kt
new file mode 100644
index 00000000..e5977fb7
--- /dev/null
+++ b/hv-collector-ves-message-generator/src/main/kotlin/org/onap/dcae/collectors/veshv/ves/message/generator/impl/CommonEventHeaderParser.kt
@@ -0,0 +1,52 @@
+/*
+ * ============LICENSE_START=======================================================
+ * dcaegen2-collectors-veshv
+ * ================================================================================
+ * Copyright (C) 2018 NOKIA
+ * ================================================================================
+ * 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.dcae.collectors.veshv.ves.message.generator.impl
+
+import com.google.protobuf.ByteString
+import org.onap.ves.VesEventV5.VesEvent.CommonEventHeader
+import org.onap.ves.VesEventV5.VesEvent.CommonEventHeader.Domain
+import org.onap.ves.VesEventV5.VesEvent.CommonEventHeader.Priority
+import org.onap.ves.VesEventV5.VesEvent.CommonEventHeader.newBuilder
+import javax.json.JsonObject
+
+/**
+ * @author Jakub Dudycz <jakub.dudycz@nokia.com>
+ * @since July 2018
+ */
+class CommonEventHeaderParser {
+    fun parse(json: JsonObject): CommonEventHeader = newBuilder()
+            .setVersion(json.getString("version"))
+            .setDomain(Domain.valueOf(json.getString("domain")))
+            .setSequence(json.getInt("sequence"))
+            .setPriority(Priority.forNumber(json.getInt("priority")))
+            .setEventId(json.getString("version"))
+            .setEventName(json.getString("version"))
+            .setEventType(json.getString("version"))
+            .setStartEpochMicrosec(json.getJsonNumber("startEpochMicrosec").longValue())
+            .setLastEpochMicrosec(json.getJsonNumber("lastEpochMicrosec").longValue())
+            .setNfNamingCode(json.getString("nfNamingCode"))
+            .setNfcNamingCode(json.getString("nfcNamingCode"))
+            .setReportingEntityId(json.getString("reportingEntityId"))
+            .setReportingEntityName(ByteString.copyFromUtf8(json.getString("reportingEntityName")))
+            .setSourceId(ByteString.copyFromUtf8(json.getString("sourceId")))
+            .setSourceName(json.getString("sourceName"))
+            .build()
+
+}
diff --git a/hv-collector-ves-message-generator/src/main/kotlin/org/onap/dcae/collectors/veshv/ves/message/generator/impl/MessageParametersParserImpl.kt b/hv-collector-ves-message-generator/src/main/kotlin/org/onap/dcae/collectors/veshv/ves/message/generator/impl/MessageParametersParserImpl.kt
new file mode 100644
index 00000000..5b328f1c
--- /dev/null
+++ b/hv-collector-ves-message-generator/src/main/kotlin/org/onap/dcae/collectors/veshv/ves/message/generator/impl/MessageParametersParserImpl.kt
@@ -0,0 +1,53 @@
+/*
+ * ============LICENSE_START=======================================================
+ * dcaegen2-collectors-veshv
+ * ================================================================================
+ * Copyright (C) 2018 NOKIA
+ * ================================================================================
+ * 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.dcae.collectors.veshv.ves.message.generator.impl
+
+import org.onap.dcae.collectors.veshv.ves.message.generator.api.MessageParameters
+import org.onap.dcae.collectors.veshv.ves.message.generator.api.MessageParametersParser
+import org.onap.dcae.collectors.veshv.ves.message.generator.api.MessageType
+import javax.json.JsonArray
+
+/**
+ * @author Jakub Dudycz <jakub.dudycz@nokia.com>
+ * @since July 2018
+ */
+internal class MessageParametersParserImpl(
+        private val commonEventHeaderParser: CommonEventHeaderParser = CommonEventHeaderParser()
+) : MessageParametersParser {
+
+    override fun parse(request: JsonArray): List<MessageParameters> =
+            try {
+                request
+                        .map { it.asJsonObject() }
+                        .map {
+                            val commonEventHeader = commonEventHeaderParser
+                                    .parse(it.getJsonObject("commonEventHeader"))
+                            val messageType = MessageType.valueOf(it.getString("messageType"))
+                            val messagesAmount = it.getJsonNumber("messagesAmount")?.longValue()
+                                    ?: throw ParsingException("\"messagesAmount\" could not be parsed from message.",
+                                            NullPointerException())
+                            MessageParameters(commonEventHeader, messageType, messagesAmount)
+                        }
+            } catch (e: Exception) {
+                throw ParsingException("Parsing request body failed", e)
+            }
+
+    internal class ParsingException(message: String, cause: Exception) : Exception(message, cause)
+}
diff --git a/hv-collector-ves-message-generator/src/test/kotlin/org/onap/dcae/collectors/veshv/ves/message/generator/impl/impl/MessageParametersParserTest.kt b/hv-collector-ves-message-generator/src/test/kotlin/org/onap/dcae/collectors/veshv/ves/message/generator/impl/impl/MessageParametersParserTest.kt
new file mode 100644
index 00000000..92561995
--- /dev/null
+++ b/hv-collector-ves-message-generator/src/test/kotlin/org/onap/dcae/collectors/veshv/ves/message/generator/impl/impl/MessageParametersParserTest.kt
@@ -0,0 +1,64 @@
+/*
+ * ============LICENSE_START=======================================================
+ * dcaegen2-collectors-veshv
+ * ================================================================================
+ * Copyright (C) 2018 NOKIA
+ * ================================================================================
+ * 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.dcae.collectors.veshv.ves.message.generator.impl.impl
+
+import org.assertj.core.api.Assertions.assertThat
+import org.assertj.core.api.Assertions.assertThatExceptionOfType
+import org.jetbrains.spek.api.Spek
+import org.jetbrains.spek.api.dsl.describe
+import org.jetbrains.spek.api.dsl.given
+import org.jetbrains.spek.api.dsl.it
+import org.jetbrains.spek.api.dsl.on
+import org.onap.dcae.collectors.veshv.ves.message.generator.impl.MessageParametersParserImpl.ParsingException
+import org.onap.dcae.collectors.veshv.ves.message.generator.api.MessageType
+import org.onap.dcae.collectors.veshv.ves.message.generator.impl.MessageParametersParserImpl
+
+private const val EXPECTED_MESSAGES_AMOUNT = 25000L
+
+/**
+ * @author Jakub Dudycz <jakub.dudycz@nokia.com>
+ * @since July 2018
+ */
+object MessageParametersParserTest : Spek({
+    describe("Messages parameters parser") {
+        val messageParametersParser = MessageParametersParserImpl()
+
+        given("parameters json array") {
+            on("valid parameters json") {
+                it("should parse MessagesParameters object successfully") {
+                    val result = messageParametersParser.parse(validMessagesParametesJson())
+
+                    assertThat(result).isNotNull
+                    assertThat(result).hasSize(2)
+                    val firstMessage = result.first()
+                    assertThat(firstMessage.messageType).isEqualTo(MessageType.VALID)
+                    assertThat(firstMessage.amount).isEqualTo(EXPECTED_MESSAGES_AMOUNT)
+                }
+            }
+            on("invalid parameters json") {
+                it("should throw exception") {
+                    assertThatExceptionOfType(ParsingException::class.java).isThrownBy {
+                        messageParametersParser.parse(invalidMessagesParametesJson())
+                    }
+                }
+            }
+        }
+    }
+})
diff --git a/hv-collector-ves-message-generator/src/test/kotlin/org/onap/dcae/collectors/veshv/ves/message/generator/impl/impl/parameters.kt b/hv-collector-ves-message-generator/src/test/kotlin/org/onap/dcae/collectors/veshv/ves/message/generator/impl/impl/parameters.kt
new file mode 100644
index 00000000..88550603
--- /dev/null
+++ b/hv-collector-ves-message-generator/src/test/kotlin/org/onap/dcae/collectors/veshv/ves/message/generator/impl/impl/parameters.kt
@@ -0,0 +1,98 @@
+/*
+ * ============LICENSE_START=======================================================
+ * dcaegen2-collectors-veshv
+ * ================================================================================
+ * Copyright (C) 2018 NOKIA
+ * ================================================================================
+ * 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.dcae.collectors.veshv.ves.message.generator.impl.impl
+
+import javax.json.Json
+
+private const val validMessageParameters = "[\n" +
+        "  {\n" +
+        "    \"commonEventHeader\": {\n" +
+        "      \"version\": \"sample-version\",\n" +
+        "      \"domain\": \"HVRANMEAS\",\n" +
+        "      \"sequence\": 1,\n" +
+        "      \"priority\": 1,\n" +
+        "      \"eventId\": \"sample-event-id\",\n" +
+        "      \"eventName\": \"sample-event-name\",\n" +
+        "      \"eventType\": \"sample-event-type\",\n" +
+        "      \"startEpochMicrosec\": 120034455,\n" +
+        "      \"lastEpochMicrosec\": 120034455,\n" +
+        "      \"nfNamingCode\": \"sample-nf-naming-code\",\n" +
+        "      \"nfcNamingCode\": \"sample-nfc-naming-code\",\n" +
+        "      \"reportingEntityId\": \"sample-reporting-entity-id\",\n" +
+        "      \"reportingEntityName\": \"sample-reporting-entity-name\",\n" +
+        "      \"sourceId\": \"sample-source-id\",\n" +
+        "      \"sourceName\": \"sample-source-name\"\n" +
+        "    },\n" +
+        "    \"messageType\": \"VALID\",\n" +
+        "    \"messagesAmount\": 25000\n" +
+        "  },\n" +
+        "  {\n" +
+        "    \"commonEventHeader\": {\n" +
+        "      \"version\": \"sample-version\",\n" +
+        "      \"domain\": \"HVRANMEAS\",\n" +
+        "      \"sequence\": 1,\n" +
+        "      \"priority\": 1,\n" +
+        "      \"eventId\": \"sample-event-id\",\n" +
+        "      \"eventName\": \"sample-event-name\",\n" +
+        "      \"eventType\": \"sample-event-type\",\n" +
+        "      \"startEpochMicrosec\": 120034455,\n" +
+        "      \"lastEpochMicrosec\": 120034455,\n" +
+        "      \"nfNamingCode\": \"sample-nf-naming-code\",\n" +
+        "      \"nfcNamingCode\": \"sample-nfc-naming-code\",\n" +
+        "      \"reportingEntityId\": \"sample-reporting-entity-id\",\n" +
+        "      \"reportingEntityName\": \"sample-reporting-entity-name\",\n" +
+        "      \"sourceId\": \"sample-source-id\",\n" +
+        "      \"sourceName\": \"sample-source-name\"\n" +
+        "    },\n" +
+        "    \"messageType\": \"TOO_BIG_PAYLOAD\",\n" +
+        "    \"messagesAmount\": 100\n" +
+        "  }\n" +
+        "]"
+
+private const val invalidMessageParameters = "[\n" +
+        "  {\n" +
+        "    \"commonEventHeader\": {\n" +
+        "      \"version\": \"sample-version\",\n" +
+        "      \"domain\": \"HVRANMEAS\",\n" +
+        "      \"sequence\": 1,\n" +
+        "      \"priority\": 1,\n" +
+        "      \"eventId\": \"sample-event-id\",\n" +
+        "      \"eventName\": \"sample-event-name\",\n" +
+        "      \"eventType\": \"sample-event-type\",\n" +
+        "      \"startEpochMicrosec\": 120034455,\n" +
+        "      \"lastEpochMicrosec\": 120034455,\n" +
+        "      \"nfNamingCode\": \"sample-nf-naming-code\",\n" +
+        "      \"nfcNamingCode\": \"sample-nfc-naming-code\",\n" +
+        "      \"reportingEntityId\": \"sample-reporting-entity-id\",\n" +
+        "      \"reportingEntityName\": \"sample-reporting-entity-name\",\n" +
+        "      \"sourceId\": \"sample-source-id\",\n" +
+        "      \"sourceName\": \"sample-source-name\"\n" +
+        "    },\n" +
+        "    \"messagesAmount\": 3\n" +
+        "  }\n" +
+        "]"
+
+fun validMessagesParametesJson() = Json
+        .createReader(validMessageParameters.reader())
+        .readArray()
+
+fun invalidMessagesParametesJson() = Json
+        .createReader(invalidMessageParameters.reader())
+        .readArray()