1 files changed, 95 insertions, 0 deletions
diff --git a/ms/blueprintsprocessor/modules/blueprints/blueprint-core/src/main/kotlin/org/onap/ccsdk/cds/controllerblueprints/core/service/BluePrintImportService.kt b/ms/blueprintsprocessor/modules/blueprints/blueprint-core/src/main/kotlin/org/onap/ccsdk/cds/controllerblueprints/core/service/BluePrintImportService.kt
new file mode 100644
index 000000000..80b742705
--- /dev/null
+++ b/ms/blueprintsprocessor/modules/blueprints/blueprint-core/src/main/kotlin/org/onap/ccsdk/cds/controllerblueprints/core/service/BluePrintImportService.kt
@@ -0,0 +1,95 @@
+/*
+ * Copyright © 2017-2018 AT&T Intellectual Property.
+ * Modifications Copyright © 2019 IBM.
+ *
+ * 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.cds.controllerblueprints.core.service
+
+import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintException
+import org.onap.ccsdk.cds.controllerblueprints.core.data.ImportDefinition
+import org.onap.ccsdk.cds.controllerblueprints.core.data.ServiceTemplate
+import org.onap.ccsdk.cds.controllerblueprints.core.utils.ServiceTemplateUtils
+import org.slf4j.Logger
+import org.slf4j.LoggerFactory
+import java.io.File
+import java.net.URL
+import java.net.URLDecoder
+import java.nio.charset.Charset
+
+class BluePrintImportService(private val parentServiceTemplate: ServiceTemplate, private val blueprintBasePath: String) {
+    companion object {
+
+        private const val PARENT_SERVICE_TEMPLATE: String = "parent"
+    }
+
+    private val log: Logger = LoggerFactory.getLogger(this::class.toString())
+
+    private var importServiceTemplateMap: MutableMap<String, ServiceTemplate> = hashMapOf()
+
+    suspend fun getImportResolvedServiceTemplate(): ServiceTemplate {
+        // Populate Imported Service Templates
+        traverseSchema(PARENT_SERVICE_TEMPLATE, parentServiceTemplate)
+
+        importServiceTemplateMap.forEach { key, serviceTemplate ->
+            ServiceTemplateUtils.merge(parentServiceTemplate, serviceTemplate)
+            log.debug("merged service template $key")
+        }
+        return parentServiceTemplate
+    }
+
+    private suspend fun traverseSchema(key: String, serviceTemplate: ServiceTemplate) {
+        if (key != PARENT_SERVICE_TEMPLATE) {
+            importServiceTemplateMap[key] = serviceTemplate
+        }
+        val imports: List<ImportDefinition>? = serviceTemplate.imports
+
+        imports?.let {
+            serviceTemplate.imports?.forEach { importDefinition ->
+                val childServiceTemplate = resolveImportDefinition(importDefinition)
+                val keyName: String = importDefinition.file
+                traverseSchema(keyName, childServiceTemplate)
+            }
+        }
+    }
+
+    private suspend fun resolveImportDefinition(importDefinition: ImportDefinition): ServiceTemplate {
+        var serviceTemplate: ServiceTemplate? = null
+        val file: String = importDefinition.file
+        val decodedSystemId: String = URLDecoder.decode(file, Charset.defaultCharset().toString())
+        log.trace("file ({}), decodedSystemId ({}) ", file, decodedSystemId)
+        try {
+            if (decodedSystemId.startsWith("http", true) ||
+                decodedSystemId.startsWith("https", true)
+            ) {
+                val givenUrl: String = URL(decodedSystemId).toString()
+                val systemUrl: String = File(".").toURI().toURL().toString()
+                log.trace("givenUrl ({}), systemUrl ({}) ", givenUrl, systemUrl)
+                if (givenUrl.startsWith(systemUrl)) {
+                }
+            } else {
+                if (!decodedSystemId.startsWith("/")) {
+                    importDefinition.file = StringBuilder().append(blueprintBasePath).append(File.separator).append(file).toString()
+                }
+                serviceTemplate = ServiceTemplateUtils.getServiceTemplate(importDefinition.file)
+            }
+        } catch (e: Exception) {
+            throw BluePrintException("failed to populate service template for ${importDefinition.file} original error: ${e.message}", e)
+        }
+        if (serviceTemplate == null) {
+            throw BluePrintException("failed to populate service template for :  ${importDefinition.file}")
+        }
+        return serviceTemplate
+    }
+}