Migrate ccsdk/apps to ccsdk/cds
[ccsdk/cds.git] / ms / blueprintsprocessor / functions / resource-resolution / src / main / kotlin / org / onap / ccsdk / apps / blueprintsprocessor / functions / resource / resolution / processor / RestResourceResolutionProcessor.kt
diff --git a/ms/blueprintsprocessor/functions/resource-resolution/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/functions/resource/resolution/processor/RestResourceResolutionProcessor.kt b/ms/blueprintsprocessor/functions/resource-resolution/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/functions/resource/resolution/processor/RestResourceResolutionProcessor.kt
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-/*
- *  Copyright © 2018 IBM.
- *  Modifications Copyright © 2017-2018 AT&T Intellectual Property.
- *
- *  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.
- */
-
-package org.onap.ccsdk.apps.blueprintsprocessor.functions.resource.resolution.processor
-
-import com.fasterxml.jackson.databind.node.ArrayNode
-import com.fasterxml.jackson.databind.node.JsonNodeFactory
-import com.fasterxml.jackson.databind.node.MissingNode
-import org.onap.ccsdk.apps.blueprintsprocessor.functions.resource.resolution.ResourceResolutionConstants.PREFIX_RESOURCE_RESOLUTION_PROCESSOR
-import org.onap.ccsdk.apps.blueprintsprocessor.functions.resource.resolution.RestResourceSource
-import org.onap.ccsdk.apps.blueprintsprocessor.functions.resource.resolution.utils.ResourceAssignmentUtils
-import org.onap.ccsdk.apps.blueprintsprocessor.rest.service.BluePrintRestLibPropertyService
-import org.onap.ccsdk.apps.blueprintsprocessor.rest.service.BlueprintWebClientService
-import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintProcessorException
-import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintTypes
-import org.onap.ccsdk.apps.controllerblueprints.core.checkEqualsOrThrow
-import org.onap.ccsdk.apps.controllerblueprints.core.checkNotEmpty
-import org.onap.ccsdk.apps.controllerblueprints.core.checkNotEmptyOrThrow
-import org.onap.ccsdk.apps.controllerblueprints.core.nullToEmpty
-import org.onap.ccsdk.apps.controllerblueprints.core.returnNotEmptyOrThrow
-import org.onap.ccsdk.apps.controllerblueprints.core.utils.JacksonUtils
-import org.onap.ccsdk.apps.controllerblueprints.resource.dict.ResourceAssignment
-import org.onap.ccsdk.apps.controllerblueprints.resource.dict.ResourceDictionaryConstants
-import org.slf4j.LoggerFactory
-import org.springframework.beans.factory.config.ConfigurableBeanFactory
-import org.springframework.context.annotation.Scope
-import org.springframework.stereotype.Service
-
-/**
- * RestResourceResolutionProcessor
- *
- * @author Kapil Singal
- */
-@Service("${PREFIX_RESOURCE_RESOLUTION_PROCESSOR}source-rest")
-@Scope(value = ConfigurableBeanFactory.SCOPE_PROTOTYPE)
-open class RestResourceResolutionProcessor(private val blueprintRestLibPropertyService: BluePrintRestLibPropertyService)
-    : ResourceAssignmentProcessor() {
-
-    private val logger = LoggerFactory.getLogger(RestResourceResolutionProcessor::class.java)
-
-    override fun getName(): String {
-        return "${PREFIX_RESOURCE_RESOLUTION_PROCESSOR}source-rest"
-    }
-
-    override fun process(resourceAssignment: ResourceAssignment) {
-        try {
-            validate(resourceAssignment)
-
-            // Check if It has Input
-            val value = getFromInput(resourceAssignment)
-            if (value == null || value is MissingNode) {
-                val dName = resourceAssignment.dictionaryName
-                val dSource = resourceAssignment.dictionarySource
-                val resourceDefinition = resourceDictionaries[dName]
-                    ?: throw BluePrintProcessorException("couldn't get resource dictionary definition for $dName")
-                val resourceSource = resourceDefinition.sources[dSource]
-                    ?: throw BluePrintProcessorException("couldn't get resource definition $dName source($dSource)")
-                val resourceSourceProperties =
-                    checkNotNull(resourceSource.properties) { "failed to get source properties for $dName " }
-                val sourceProperties =
-                    JacksonUtils.getInstanceFromMap(resourceSourceProperties, RestResourceSource::class.java)
-                val path = nullToEmpty(sourceProperties.path)
-                val inputKeyMapping =
-                    checkNotNull(sourceProperties.inputKeyMapping) { "failed to get input-key-mappings for $dName under $dSource properties" }
-                val resolvedInputKeyMapping = resolveInputKeyMappingVariables(inputKeyMapping)
-
-                // Resolving content Variables
-                val payload = resolveFromInputKeyMapping(nullToEmpty(sourceProperties.payload), resolvedInputKeyMapping)
-                val urlPath =
-                    resolveFromInputKeyMapping(checkNotNull(sourceProperties.urlPath), resolvedInputKeyMapping)
-                val verb = resolveFromInputKeyMapping(nullToEmpty(sourceProperties.verb), resolvedInputKeyMapping)
-
-                logger.info("$dSource dictionary information : ($urlPath), ($inputKeyMapping), (${sourceProperties.outputKeyMapping})")
-                // Get the Rest Client Service
-                val restClientService = blueprintWebClientService(resourceAssignment, sourceProperties)
-
-                val response = restClientService.exchangeResource(verb, urlPath, payload)
-                if (response.isBlank()) {
-                    logger.warn("Failed to get $dSource result for dictionary name ($dName) using urlPath ($urlPath)")
-                } else {
-                    populateResource(resourceAssignment, sourceProperties, response, path)
-                }
-            }
-            // Check the value has populated for mandatory case
-            ResourceAssignmentUtils.assertTemplateKeyValueNotNull(resourceAssignment)
-        } catch (e: Exception) {
-            ResourceAssignmentUtils.setFailedResourceDataValue(resourceAssignment, e.message)
-            throw BluePrintProcessorException("Failed in template key ($resourceAssignment) assignments with: ${e.message}",
-                e)
-        }
-    }
-
-    private fun blueprintWebClientService(resourceAssignment: ResourceAssignment,
-                                          restResourceSource: RestResourceSource): BlueprintWebClientService {
-        return if (checkNotEmpty(restResourceSource.endpointSelector)) {
-            val restPropertiesJson = raRuntimeService.resolveDSLExpression(restResourceSource.endpointSelector!!)
-            blueprintRestLibPropertyService.blueprintWebClientService(restPropertiesJson)
-        } else {
-            blueprintRestLibPropertyService.blueprintWebClientService(resourceAssignment.dictionarySource!!)
-        }
-    }
-
-    @Throws(BluePrintProcessorException::class)
-    private fun populateResource(resourceAssignment: ResourceAssignment, sourceProperties: RestResourceSource,
-                                 restResponse: String, path: String) {
-        val dName = resourceAssignment.dictionaryName
-        val dSource = resourceAssignment.dictionarySource
-        val type = nullToEmpty(resourceAssignment.property?.type)
-        lateinit var entrySchemaType: String
-
-        val outputKeyMapping =
-            checkNotNull(sourceProperties.outputKeyMapping) { "failed to get output-key-mappings for $dName under $dSource properties" }
-        logger.info("Response processing type($type)")
-
-        val responseNode =
-            checkNotNull(JacksonUtils.jsonNode(restResponse).at(path)) { "Failed to find path ($path) in response ($restResponse)" }
-        logger.info("populating value for output mapping ($outputKeyMapping), from json ($responseNode)")
-
-
-        when (type) {
-            in BluePrintTypes.validPrimitiveTypes() -> {
-                logger.info("For template key (${resourceAssignment.name}) setting value as ($responseNode)")
-                ResourceAssignmentUtils.setResourceDataValue(resourceAssignment, raRuntimeService, responseNode)
-            }
-            in BluePrintTypes.validCollectionTypes() -> {
-                // Array Types
-                entrySchemaType =
-                    returnNotEmptyOrThrow(resourceAssignment.property?.entrySchema?.type) { "Entry schema is not defined for dictionary ($dName) info" }
-                val arrayNode = responseNode as ArrayNode
-
-                if (entrySchemaType !in BluePrintTypes.validPrimitiveTypes()) {
-                    val responseArrayNode = responseNode.toList()
-                    for (responseSingleJsonNode in responseArrayNode) {
-                        val arrayChildNode = JsonNodeFactory.instance.objectNode()
-                        outputKeyMapping.map {
-                            val responseKeyValue = responseSingleJsonNode.get(it.key)
-                            val propertyTypeForDataType =
-                                ResourceAssignmentUtils.getPropertyType(raRuntimeService, entrySchemaType, it.key)
-                            logger.info("For List Type Resource: key (${it.key}), value ($responseKeyValue), type  ({$propertyTypeForDataType})")
-                            JacksonUtils.populateJsonNodeValues(it.value,
-                                responseKeyValue,
-                                propertyTypeForDataType,
-                                arrayChildNode)
-                        }
-                        arrayNode.add(arrayChildNode)
-                    }
-                }
-                logger.info("For template key (${resourceAssignment.name}) setting value as ($arrayNode)")
-                // Set the List of Complex Values
-                ResourceAssignmentUtils.setResourceDataValue(resourceAssignment, raRuntimeService, arrayNode)
-            }
-            else -> {
-                // Complex Types
-                entrySchemaType =
-                    returnNotEmptyOrThrow(resourceAssignment.property?.type) { "Entry schema is not defined for dictionary ($dName) info" }
-                val objectNode = JsonNodeFactory.instance.objectNode()
-                outputKeyMapping.map {
-                    val responseKeyValue = responseNode.get(it.key)
-                    val propertyTypeForDataType =
-                        ResourceAssignmentUtils.getPropertyType(raRuntimeService, entrySchemaType, it.key)
-                    logger.info("For List Type Resource: key (${it.key}), value ($responseKeyValue), type  ({$propertyTypeForDataType})")
-                    JacksonUtils.populateJsonNodeValues(it.value, responseKeyValue, propertyTypeForDataType, objectNode)
-                }
-
-                logger.info("For template key (${resourceAssignment.name}) setting value as ($objectNode)")
-                // Set the List of Complex Values
-                ResourceAssignmentUtils.setResourceDataValue(resourceAssignment, raRuntimeService, objectNode)
-            }
-        }
-    }
-
-    @Throws(BluePrintProcessorException::class)
-    private fun validate(resourceAssignment: ResourceAssignment) {
-        checkNotEmptyOrThrow(resourceAssignment.name, "resource assignment template key is not defined")
-        checkNotEmptyOrThrow(resourceAssignment.dictionaryName,
-            "resource assignment dictionary name is not defined for template key (${resourceAssignment.name})")
-        checkEqualsOrThrow(ResourceDictionaryConstants.SOURCE_PRIMARY_CONFIG_DATA,
-            resourceAssignment.dictionarySource) {
-            "resource assignment source is not ${ResourceDictionaryConstants.SOURCE_PRIMARY_CONFIG_DATA} but it is ${resourceAssignment.dictionarySource}"
-        }
-        checkNotEmptyOrThrow(resourceAssignment.dictionaryName,
-            "resource assignment dictionary name is not defined for template key (${resourceAssignment.name})")
-    }
-
-    override fun recover(runtimeException: RuntimeException, resourceAssignment: ResourceAssignment) {
-        raRuntimeService.getBluePrintError().addError(runtimeException.message!!)
-    }
-
-
-}
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