[ONOS-4240, ONOS-4241] Support wide community optional path attribute
Change-Id: I59f9c4b69e8c26702ab955d58655497a394b9ec9
diff --git a/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/WideCommunityTarget.java b/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/WideCommunityTarget.java
new file mode 100644
index 0000000..47553e3
--- /dev/null
+++ b/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/WideCommunityTarget.java
@@ -0,0 +1,130 @@
+/*
+ * Copyright 2016-present 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.bgpio.types;
+
+import com.google.common.base.MoreObjects;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.onosproject.bgpio.exceptions.BgpParseException;
+import org.onosproject.bgpio.types.attr.WideCommunity;
+
+import java.util.List;
+import java.util.Objects;
+
+/**
+ * Provides implementation of BGP wide community target.
+ */
+public class WideCommunityTarget implements BgpValueType {
+
+ public static final byte TYPE = 1;
+ private List<BgpValueType> targetTlv;
+
+ /**
+ * Creates an instance of Wide community targets.
+ *
+ * @param targetTlv wide community targets to match
+ */
+ public WideCommunityTarget(List<BgpValueType> targetTlv) {
+ this.targetTlv = targetTlv;
+ }
+
+ /**
+ * Returns object of this class with specified values.
+ *
+ * @param targetTlv wide community target
+ * @return object of WideCommunityTarget
+ */
+ public static WideCommunityTarget of(List<BgpValueType> targetTlv) {
+ return new WideCommunityTarget(targetTlv);
+ }
+
+ /**
+ * Returns wide community targets.
+ *
+ * @return wide community targets
+ */
+ public List<BgpValueType> targetTlv() {
+ return targetTlv;
+ }
+
+ /**
+ * Sets wide community target.
+ *
+ * @param targetTlv wide community targets to match
+ */
+ public void setTargetTlv(List<BgpValueType> targetTlv) {
+ this.targetTlv = targetTlv;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(targetTlv);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+
+ if (obj == null) {
+ return false;
+ }
+
+ if (obj instanceof WideCommunityTarget) {
+ WideCommunityTarget other = (WideCommunityTarget) obj;
+ return Objects.equals(targetTlv, other.targetTlv);
+ }
+ return false;
+ }
+
+ @Override
+ public int write(ChannelBuffer c) {
+ int iLenStartIndex = c.writerIndex();
+ WideCommunity.encodeWideCommunityTlv(c, targetTlv());
+ return c.writerIndex() - iLenStartIndex;
+ }
+
+ /**
+ * Reads the channel buffer and returns object of WideCommunityTarget.
+ *
+ * @param c ChannelBuffer
+ * @return object of WideCommunityTarget
+ * @throws BgpParseException on read error
+ */
+ public static WideCommunityTarget read(ChannelBuffer c) throws BgpParseException {
+ return new WideCommunityTarget(WideCommunity.decodeWideCommunityTlv(c));
+ }
+
+ @Override
+ public short getType() {
+ return TYPE;
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass())
+ .add("Type", TYPE)
+ .add("targetTlv", targetTlv)
+ .toString();
+ }
+
+ @Override
+ public int compareTo(Object o) {
+ // TODO Auto-generated method stub
+ return 0;
+ }
+}