1 files changed, 29 insertions, 0 deletions
diff --git a/dcaedt_be/src/main/java/org/onap/sdc/dcae/rule/editor/validators/ConcatActionValidator.java b/dcaedt_be/src/main/java/org/onap/sdc/dcae/rule/editor/validators/ConcatActionValidator.java
new file mode 100644
index 0000000..965c898
--- /dev/null
+++ b/dcaedt_be/src/main/java/org/onap/sdc/dcae/rule/editor/validators/ConcatActionValidator.java
@@ -0,0 +1,29 @@
+package org.onap.sdc.dcae.rule.editor.validators;
+
+import org.onap.sdc.dcae.composition.restmodels.ruleeditor.BaseAction;
+import org.onap.sdc.dcae.errormng.ActionStatus;
+import org.onap.sdc.dcae.errormng.ErrConfMgr;
+import org.onap.sdc.dcae.errormng.ResponseFormat;
+import org.onap.sdc.dcae.rule.editor.utils.ValidationUtils;
+
+import java.util.List;
+
+public class ConcatActionValidator extends ActionValidator<BaseAction> {
+
+	private static ConcatActionValidator concatActionValidator = new ConcatActionValidator();
+
+	public static ConcatActionValidator getInstance() {
+		return concatActionValidator;
+	}
+
+	private ConcatActionValidator(){}
+
+	@Override
+	protected boolean validateFromValue(BaseAction action, List<ResponseFormat> errors) {
+		if(!ValidationUtils.validateNotEmpty(action.getFromValue()) || 2 > action.getFromValues().size()) {
+			errors.add(ErrConfMgr.INSTANCE.getResponseFormat(ActionStatus.MISSING_CONCAT_VALUE, null, action.getTarget()));
+			return false;
+		}
+		return true;
+	}
+}