[ONOS-3856] BGP flow specification component classes.
Change-Id: Ib798fe31c66813644fd7c2844682377fb5644aad
diff --git a/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/BgpFsDscpValue.java b/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/BgpFsDscpValue.java
new file mode 100755
index 0000000..e383399
--- /dev/null
+++ b/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/BgpFsDscpValue.java
@@ -0,0 +1,102 @@
+/*
+ * 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.bgpio.types;
+
+import java.util.Objects;
+import java.util.List;
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.onosproject.bgpio.exceptions.BgpParseException;
+import org.onosproject.bgpio.util.Constants;
+import com.google.common.base.MoreObjects;
+
+/**
+ * Provides implementation of BGP flow specification component.
+ */
+public class BgpFsDscpValue implements BgpValueType {
+
+ public static final byte FLOW_SPEC_TYPE = Constants.BGP_FLOWSPEC_DSCP;
+ private List<BgpFsOperatorValue> operatorValue;
+
+ /**
+ * Constructor to initialize the value.
+ *
+ * @param operatorValue list of operator and value
+ */
+ public BgpFsDscpValue(List<BgpFsOperatorValue> operatorValue) {
+ this.operatorValue = operatorValue;
+ }
+
+ @Override
+ public short getType() {
+ return this.FLOW_SPEC_TYPE;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(operatorValue);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj instanceof BgpFsDscpValue) {
+ BgpFsDscpValue other = (BgpFsDscpValue) obj;
+ return this.operatorValue.equals(other.operatorValue);
+ }
+ return false;
+ }
+
+ @Override
+ public int write(ChannelBuffer cb) {
+ int iLenStartIndex = cb.writerIndex();
+
+ cb.writeByte(FLOW_SPEC_TYPE);
+
+ for (BgpFsOperatorValue fsOperVal : operatorValue) {
+ cb.writeByte(fsOperVal.option());
+ cb.writeBytes(fsOperVal.value());
+ }
+
+ return cb.writerIndex() - iLenStartIndex;
+ }
+
+ /**
+ * Reads the channel buffer and returns object.
+ *
+ * @param cb channelBuffer
+ * @param type address type
+ * @return object of flow spec DSCP value
+ * @throws BgpParseException while parsing BgpFsDscpValue
+ */
+ public static BgpFsDscpValue read(ChannelBuffer cb, short type) throws BgpParseException {
+ return null;
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass())
+ .add("FLOW_SPEC_TYPE", FLOW_SPEC_TYPE)
+ .add("operatorValue", operatorValue).toString();
+ }
+
+ @Override
+ public int compareTo(Object o) {
+ // TODO Auto-generated method stub
+ return 0;
+ }
+}