1 files changed, 50 insertions, 0 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/ip/subnet/validation/SubnetValidationException.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/ip/subnet/validation/SubnetValidationException.java
new file mode 100644
index 000000000..ae8291027
--- /dev/null
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/ip/subnet/validation/SubnetValidationException.java
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ *
+ * 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.honeycomb.translate.v3po.interfaces.ip.subnet.validation;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import java.util.Collection;
+import javax.annotation.Nonnull;
+import org.apache.commons.lang3.StringUtils;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.Address;
+
+/**
+ * Thrown as negative result of subnet validation
+ */
+public class SubnetValidationException extends Exception {
+
+    private SubnetValidationException(@Nonnull final String message) {
+        super(message);
+    }
+
+    public static SubnetValidationException forConflictingData(@Nonnull final Short prefix, @Nonnull Collection<Address> addresses) {
+        return new SubnetValidationException(
+                "Attempt to define multiple addresses for same subnet[prefixLen = " + prefixToString(prefix) + "], "
+                        + "addresses : " + addressesToString(addresses));
+    }
+
+    private static String prefixToString(final Short prefix) {
+        return checkNotNull(prefix, "Cannot create " + SubnetValidationException.class.getName() + " for null prefix")
+                .toString();
+    }
+
+    private static String addressesToString(final Collection<Address> addresses) {
+        return StringUtils.join(checkNotNull(addresses,
+                "Cannot create " + SubnetValidationException.class.getName() + " for null address list"), " | ");
+    }
+}