Custom Data Validator

[portal.git] / portal-BE / src / main / java / org / onap / portal / validation / DataValidator.java

diff --git a/portal-BE/src/main/java/org/onap/portal/validation/DataValidator.java b/portal-BE/src/main/java/org/onap/portal/validation/DataValidator.java
new file mode 100644 (file)
index 0000000..ad0a9f1
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+++ b/portal-BE/src/main/java/org/onap/portal/validation/DataValidator.java
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+/*
+ * ============LICENSE_START==========================================
+ * ONAP Portal
+ * ===================================================================
+ * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * ===================================================================
+ * Modifications Copyright (c) 2019 Samsung
+ * ===================================================================
+ *
+ * Unless otherwise specified, all software contained herein is licensed
+ * under the Apache License, Version 2.0 (the "License");
+ * you may not use this software 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.
+ *
+ * Unless otherwise specified, all documentation contained herein is licensed
+ * under the Creative Commons License, Attribution 4.0 Intl. (the "License");
+ * you may not use this documentation except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *             https://creativecommons.org/licenses/by/4.0/
+ *
+ * Unless required by applicable law or agreed to in writing, documentation
+ * 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.portal.validation;
+
+import java.util.Set;
+import javax.validation.ConstraintViolation;
+import javax.validation.Validation;
+import javax.validation.Validator;
+import javax.validation.ValidatorFactory;
+import org.springframework.stereotype.Service;
+
+@Service
+public class DataValidator {
+       private volatile static ValidatorFactory VALIDATOR_FACTORY;
+
+       public DataValidator() {
+              if (VALIDATOR_FACTORY == null) {
+                     synchronized (DataValidator.class) {
+                            if (VALIDATOR_FACTORY == null) {
+                                   VALIDATOR_FACTORY = Validation.buildDefaultValidatorFactory();
+                            }
+                     }
+              }
+       }
+
+       public <E> Set<ConstraintViolation<E>> getConstraintViolations(E classToValid) {
+              Validator validator = VALIDATOR_FACTORY.getValidator();
+              return validator.validate(classToValid);
+       }
+
+       public <E> boolean isValid(E classToValid) {
+              Set<ConstraintViolation<E>> constraintViolations = getConstraintViolations(classToValid);
+              return constraintViolations.isEmpty();
+       }
+
+}