ISIS protocol manual merge from 1.6 due to cherry pick merge conflict
Change-Id: I6c3abf6a83ddaeba76293dc7864fcec88e9b4e7e
diff --git a/protocols/isis/api/src/main/java/org/onosproject/isis/controller/topology/IsisRouterId.java b/protocols/isis/api/src/main/java/org/onosproject/isis/controller/topology/IsisRouterId.java
new file mode 100644
index 0000000..a40d68b
--- /dev/null
+++ b/protocols/isis/api/src/main/java/org/onosproject/isis/controller/topology/IsisRouterId.java
@@ -0,0 +1,116 @@
+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * 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 org.onosproject.isis.controller.topology;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.Objects;
+
+import static com.google.common.base.Preconditions.checkArgument;
+
+/**
+ * Represents an ISIS router id.
+ */
+public class IsisRouterId {
+
+ private static final String SCHEME = "l3";
+ private static final long UNKNOWN = 0;
+ private final String ipAddress;
+
+ /**
+ * Creates an instance of ISIS router id.
+ *
+ * @param ipAddress IP address of the router
+ */
+ public IsisRouterId(String ipAddress) {
+ this.ipAddress = ipAddress;
+ }
+
+ /**
+ * Creates an instance from ip address.
+ *
+ * @param ipAddress IP address
+ * @return ISIS router id instance
+ */
+ public static IsisRouterId isisRouterId(String ipAddress) {
+ return new IsisRouterId(ipAddress);
+ }
+
+ /**
+ * Creates ISIS router id instance from the URI.
+ *
+ * @param uri device URI
+ * @return ISIS router id instance
+ */
+ public static IsisRouterId isisRouterId(URI uri) {
+ checkArgument(uri.getScheme().equals(SCHEME), "Unsupported URI scheme");
+ return new IsisRouterId(uri.getSchemeSpecificPart());
+ }
+
+ /**
+ * Returns device URI from the given router id.
+ *
+ * @param isisRouterId router id instance
+ * @return device URI
+ */
+ public static URI uri(IsisRouterId isisRouterId) {
+ return uri(isisRouterId.ipAddress());
+ }
+
+ /**
+ * Returns device URI from the given IP address.
+ *
+ * @param ipAddress device IP address
+ * @return device URI
+ */
+ public static URI uri(String ipAddress) {
+ try {
+ return new URI(SCHEME, ipAddress, null);
+ } catch (URISyntaxException e) {
+ return null;
+ }
+ }
+
+ /**
+ * Returns the IP address.
+ *
+ * @return IP address
+ */
+ public String ipAddress() {
+ return ipAddress;
+ }
+
+ @Override
+ public String toString() {
+ return ipAddress;
+ }
+
+ @Override
+ public boolean equals(Object other) {
+ if (!(other instanceof IsisRouterId)) {
+ return false;
+ }
+
+ IsisRouterId otherIsisRouterId = (IsisRouterId) other;
+ return Objects.equals(ipAddress, otherIsisRouterId.ipAddress);
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(ipAddress);
+ }
+}
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