1 files changed, 91 insertions, 0 deletions
diff --git a/vpp-classifier/impl/src/main/java/io/fd/hc2vpp/policer/write/PolicerValidator.java b/vpp-classifier/impl/src/main/java/io/fd/hc2vpp/policer/write/PolicerValidator.java
new file mode 100644
index 000000000..47d5c8708
--- /dev/null
+++ b/vpp-classifier/impl/src/main/java/io/fd/hc2vpp/policer/write/PolicerValidator.java
@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2019 PANTHEON.tech.
+ *
+ * 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 io.fd.hc2vpp.policer.write;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import io.fd.hc2vpp.common.translate.util.NamingContext;
+import io.fd.honeycomb.translate.write.DataValidationFailedException;
+import io.fd.honeycomb.translate.write.Validator;
+import io.fd.honeycomb.translate.write.WriteContext;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.policer.rev170315.MeterActionDrop;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.policer.rev170315.MeterActionMarkDscp;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.policer.rev170315.MeterActionParams;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.policer.rev170315.MeterActionTransmit;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.policer.rev170315.MeterActionType;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.policer.rev170315.policers.Policer;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+public class PolicerValidator implements Validator<Policer> {
+
+    public PolicerValidator(final NamingContext policerContext) {
+        checkNotNull(policerContext, "policerContext should not be null");
+    }
+
+    @Override
+    public void validateWrite(@Nonnull final InstanceIdentifier<Policer> id,
+                              @Nonnull final Policer policer,
+                              @Nonnull final WriteContext writeContext)
+            throws DataValidationFailedException.CreateValidationFailedException {
+        try {
+            validatePolicer(policer);
+        } catch (RuntimeException e) {
+            throw new DataValidationFailedException.CreateValidationFailedException(id, policer, e);
+        }
+    }
+
+    @Override
+    public void validateDelete(@Nonnull final InstanceIdentifier<Policer> id,
+                               @Nonnull final Policer policer,
+                               @Nonnull final WriteContext writeContext)
+            throws DataValidationFailedException.DeleteValidationFailedException {
+        try {
+            validatePolicer(policer);
+        } catch (RuntimeException e) {
+            throw new DataValidationFailedException.DeleteValidationFailedException(id, e);
+        }
+    }
+
+    private void validatePolicer(final Policer policer) {
+        checkAction(policer.getConformAction());
+        checkAction(policer.getExceedAction());
+        checkAction(policer.getViolateAction());
+    }
+
+    private void checkAction(MeterActionParams action) {
+        if (action != null) {
+            Class<? extends MeterActionType> actionType = action.getMeterActionType();
+            checkActionType(actionType);
+            if (action.getDscp() != null) {
+                checkDscp(actionType);
+            }
+        }
+    }
+
+    private void checkDscp(final Class<? extends MeterActionType> actionType) {
+        checkArgument(MeterActionMarkDscp.class == actionType,
+                "dcsp is supported only for meter-action-mark-dscp, but %s defined", actionType);
+    }
+
+    private void checkActionType(Class<? extends MeterActionType> type) {
+        checkArgument(
+                type == MeterActionDrop.class || type == MeterActionTransmit.class || type == MeterActionMarkDscp.class,
+                "Unsupported meter action type %s", type);
+    }
+}