Add Service Template Blueprint Validation.

Change-Id: Id0df5664cf22a9c4ed09019627c8d697bb73390a
Issue-ID: CCSDK-757
Signed-off-by: Muthuramalingam, Brinda Santh(bs2796) <bs2796@att.com>
diff --git a/components/core/src/main/kotlin/org/onap/ccsdk/apps/controllerblueprints/core/validation/BluePrintServiceTemplateValidatorImpl.kt b/components/core/src/main/kotlin/org/onap/ccsdk/apps/controllerblueprints/core/validation/BluePrintServiceTemplateValidatorImpl.kt
new file mode 100644
index 0000000..257528d
--- /dev/null
+++ b/components/core/src/main/kotlin/org/onap/ccsdk/apps/controllerblueprints/core/validation/BluePrintServiceTemplateValidatorImpl.kt
@@ -0,0 +1,92 @@
+/*
+ * 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.controllerblueprints.core.validation
+
+import com.att.eelf.configuration.EELFLogger
+import com.att.eelf.configuration.EELFManager
+import com.google.common.base.Preconditions
+import org.apache.commons.lang3.StringUtils
+import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintConstants
+import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintException
+import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintValidationError
+import org.onap.ccsdk.apps.controllerblueprints.core.data.*
+import org.onap.ccsdk.apps.controllerblueprints.core.interfaces.BluePrintServiceTemplateValidator
+import org.onap.ccsdk.apps.controllerblueprints.core.interfaces.BluePrintTypeValidatorService
+import org.onap.ccsdk.apps.controllerblueprints.core.service.BluePrintContext
+
+open class BluePrintServiceTemplateValidatorImpl(private val bluePrintTypeValidatorService: BluePrintTypeValidatorService) : BluePrintServiceTemplateValidator {
+
+    private val log: EELFLogger = EELFManager.getInstance().getLogger(BluePrintServiceTemplateValidatorImpl::class.toString())
+
+    var bluePrintContext: BluePrintContext? = null
+    var error: BluePrintValidationError? = null
+
+    override fun validate(bluePrintContext: BluePrintContext, error: BluePrintValidationError, name: String, serviceTemplate: ServiceTemplate) {
+        log.info("Validating Service Template..")
+        try {
+            this.bluePrintContext = bluePrintContext
+            this.error = error
+
+            serviceTemplate.metadata?.let { validateMetadata(serviceTemplate.metadata!!) }
+            serviceTemplate.dataTypes?.let { validateDataTypes(serviceTemplate.dataTypes!!) }
+            serviceTemplate.artifactTypes?.let { validateArtifactTypes(serviceTemplate.artifactTypes!!) }
+            serviceTemplate.nodeTypes?.let { validateNodeTypes(serviceTemplate.nodeTypes!!) }
+            serviceTemplate.topologyTemplate?.let { validateTopologyTemplate(serviceTemplate.topologyTemplate!!) }
+        } catch (e: Exception) {
+            throw BluePrintException(e, "failed to validate blueprint with message ${e.message}")
+        }
+    }
+
+    fun validateMetadata(metaDataMap: MutableMap<String, String>) {
+
+        val templateName = metaDataMap[BluePrintConstants.METADATA_TEMPLATE_NAME]
+        val templateVersion = metaDataMap[BluePrintConstants.METADATA_TEMPLATE_VERSION]
+        val templateTags = metaDataMap[BluePrintConstants.METADATA_TEMPLATE_TAGS]
+        val templateAuthor = metaDataMap[BluePrintConstants.METADATA_TEMPLATE_AUTHOR]
+
+        Preconditions.checkArgument(StringUtils.isNotBlank(templateName), "failed to get template name metadata")
+        Preconditions.checkArgument(StringUtils.isNotBlank(templateVersion), "failed to get template version metadata")
+        Preconditions.checkArgument(StringUtils.isNotBlank(templateTags), "failed to get template tags metadata")
+        Preconditions.checkArgument(StringUtils.isNotBlank(templateAuthor), "failed to get template author metadata")
+    }
+
+
+    fun validateDataTypes(dataTypes: MutableMap<String, DataType>) {
+        dataTypes.forEach { dataTypeName, dataType ->
+            // Validate Single Data Type
+            bluePrintTypeValidatorService.validateDataType(bluePrintContext!!, error!!, dataTypeName, dataType)
+        }
+    }
+
+    fun validateArtifactTypes(artifactTypes: MutableMap<String, ArtifactType>) {
+        artifactTypes.forEach { artifactName, artifactType ->
+            // Validate Single Artifact Type
+            bluePrintTypeValidatorService.validateArtifactType(bluePrintContext!!, error!!, artifactName, artifactType)
+        }
+    }
+
+    fun validateNodeTypes(nodeTypes: MutableMap<String, NodeType>) {
+        nodeTypes.forEach { nodeTypeName, nodeType ->
+            // Validate Single Node Type
+            bluePrintTypeValidatorService.validateNodeType(bluePrintContext!!, error!!, nodeTypeName, nodeType)
+        }
+    }
+
+    fun validateTopologyTemplate(topologyTemplate: TopologyTemplate) {
+        bluePrintTypeValidatorService.validateTopologyTemplate(bluePrintContext!!, error!!, "topologyTemplate", topologyTemplate)
+    }
+}
\ No newline at end of file
diff --git a/components/core/src/main/kotlin/org/onap/ccsdk/apps/controllerblueprints/core/validation/BluePrintValidatorService.kt b/components/core/src/main/kotlin/org/onap/ccsdk/apps/controllerblueprints/core/validation/BluePrintValidatorService.kt
new file mode 100644
index 0000000..9840dd2
--- /dev/null
+++ b/components/core/src/main/kotlin/org/onap/ccsdk/apps/controllerblueprints/core/validation/BluePrintValidatorService.kt
@@ -0,0 +1,36 @@
+/*
+ * 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.controllerblueprints.core.validation
+
+import com.att.eelf.configuration.EELFLogger
+import com.att.eelf.configuration.EELFManager
+import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintValidationError
+import org.onap.ccsdk.apps.controllerblueprints.core.interfaces.BluePrintTypeValidatorService
+import org.onap.ccsdk.apps.controllerblueprints.core.interfaces.BluePrintValidatorService
+import org.onap.ccsdk.apps.controllerblueprints.core.service.BluePrintContext
+
+
+open class BluePrintValidatorServiceImpl(private val bluePrintTypeValidatorService: BluePrintTypeValidatorService) : BluePrintValidatorService {
+
+    private val log: EELFLogger = EELFManager.getInstance().getLogger(BluePrintValidatorServiceImpl::class.toString())
+
+    override fun validateBluePrints(bluePrintContext: BluePrintContext, properties: MutableMap<String, Any>) {
+        log.info("Validation blueprints...")
+        val error = BluePrintValidationError()
+        bluePrintTypeValidatorService.validateServiceTemplate(bluePrintContext, error, "default", bluePrintContext.serviceTemplate)
+    }
+}