Initial TCA commit into DCAEGEN2

[dcaegen2/analytics/tca.git] / dcae-analytics-cdap-plugins / src / main / java / org / openecomp / dcae / apod / analytics / cdap / plugins / validator / SimpleTCAPluginConfigValidator.java

diff --git a/dcae-analytics-cdap-plugins/src/main/java/org/openecomp/dcae/apod/analytics/cdap/plugins/validator/SimpleTCAPluginConfigValidator.java b/dcae-analytics-cdap-plugins/src/main/java/org/openecomp/dcae/apod/analytics/cdap/plugins/validator/SimpleTCAPluginConfigValidator.java
new file mode 100644 (file)
index 0000000..e0942ff
--- /dev/null
+++ b/dcae-analytics-cdap-plugins/src/main/java/org/openecomp/dcae/apod/analytics/cdap/plugins/validator/SimpleTCAPluginConfigValidator.java
@@ -0,0 +1,91 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ *  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.openecomp.dcae.apod.analytics.cdap.plugins.validator;
+
+import co.cask.cdap.api.data.schema.Schema;
+import org.openecomp.dcae.apod.analytics.cdap.common.utils.ValidationUtils;
+import org.openecomp.dcae.apod.analytics.cdap.common.validation.CDAPAppSettingsValidator;
+import org.openecomp.dcae.apod.analytics.cdap.plugins.domain.config.tca.SimpleTCAPluginConfig;
+import org.openecomp.dcae.apod.analytics.cdap.plugins.utils.CDAPPluginUtils;
+import org.openecomp.dcae.apod.analytics.common.validation.GenericValidationResponse;
+
+/**
+ * Validator that validate {@link SimpleTCAPluginConfig}
+ * <p>
+ * @author Rajiv Singla . Creation Date: 2/21/2017.
+ */
+public class SimpleTCAPluginConfigValidator implements CDAPAppSettingsValidator<SimpleTCAPluginConfig,
+        GenericValidationResponse<SimpleTCAPluginConfig>> {
+
+    private static final long serialVersionUID = 1L;
+
+    @Override
+    public GenericValidationResponse<SimpleTCAPluginConfig> validateAppSettings(
+            final SimpleTCAPluginConfig tcaPluginConfig) {
+
+        final GenericValidationResponse<SimpleTCAPluginConfig> validationResponse = new GenericValidationResponse<>();
+
+        if (ValidationUtils.isEmpty(tcaPluginConfig.getVesMessageFieldName())) {
+            validationResponse.addErrorMessage("vesMessageFieldName",
+                    "Missing VES Message Field Name from plugin incoming schema");
+        }
+
+        if (ValidationUtils.isEmpty(tcaPluginConfig.getPolicyJson())) {
+            validationResponse.addErrorMessage("policyJson",
+                    "Missing tca Policy Json");
+        }
+
+        final String alertFieldValue = tcaPluginConfig.getAlertFieldName();
+        final String alertFieldName = "alertFieldName";
+        if (ValidationUtils.isEmpty(alertFieldValue)) {
+            validationResponse.addErrorMessage(alertFieldName,
+                    "Missing alert Field Name that will be placed in plugin outgoing schema");
+        }
+
+        if (ValidationUtils.isEmpty(tcaPluginConfig.getMessageTypeFieldName())) {
+            validationResponse.addErrorMessage("messageTypeField",
+                    "Missing message Type Field Name that will be placed in plugin outgoing schema");
+        }
+
+
+        final String outputSchemaJson = tcaPluginConfig.getSchema();
+        if (ValidationUtils.isEmpty(outputSchemaJson)) {
+            validationResponse.addErrorMessage("output schema", "Output schema is not present");
+        } else {
+            // validate output schema - alert field name is of type string
+            if (alertFieldValue != null &&
+                    !CDAPPluginUtils.validateSchemaFieldType(outputSchemaJson, alertFieldValue, Schema.Type.STRING)) {
+                validationResponse.addErrorMessage(alertFieldName,
+                        String.format(
+                                "Alert Field Name: %s must be String type", alertFieldValue));
+            }
+            // validate output schema - alert field name is nullable
+            if (alertFieldValue != null &&
+                    !CDAPPluginUtils.validateSchemaFieldType(outputSchemaJson, alertFieldValue, Schema.Type.NULL)) {
+                validationResponse.addErrorMessage(alertFieldName,
+                        String.format(
+                                "Alert Field Name: %s must be marked as nullable type", alertFieldValue));
+            }
+        }
+
+        return validationResponse;
+    }
+}