1 files changed, 171 insertions, 0 deletions
diff --git a/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/LabelSubObject.java b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/LabelSubObject.java
new file mode 100644
index 00000000..5b1c2438
--- /dev/null
+++ b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/LabelSubObject.java
@@ -0,0 +1,171 @@
+/*
+ * Copyright 2015 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.pcepio.types;
+
+import java.util.Objects;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.onosproject.pcepio.protocol.PcepVersion;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.base.MoreObjects;
+
+/**
+ * LabelSubObject: Provides a LabelSubObject.
+ */
+public class LabelSubObject implements PcepValueType {
+
+    /* Reference : RFC 3209
+     * LABEL Sub Object
+     *
+    0                   1                   2                   3
+    0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+    |     Type      |     Length    |    Flags      |   C-Type      |
+    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+    |       Contents of Label Object                                |
+    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+     */
+    protected static final Logger log = LoggerFactory.getLogger(LabelSubObject.class);
+
+    public static final short TYPE = 0x03;
+    public static final short LENGTH = 8;
+    private final byte flags;
+    private final byte cType;
+    private final int contents;
+
+    /**
+     * constructor to initialize parameters for LabelSubObject.
+     *
+     * @param flags flags
+     * @param cType C-Type
+     * @param contents Contents of label object
+     */
+    public LabelSubObject(byte flags, byte cType, int contents) {
+        this.flags = flags;
+        this.cType = cType;
+        this.contents = contents;
+    }
+
+    /**
+     * Return an object of LabelSubObject.
+     *
+     * @param flags flags
+     * @param cType C-type
+     * @param contents contents of label objects
+     * @return object of LabelSubObject
+     */
+    public static LabelSubObject of(byte flags, byte cType, int contents) {
+        return new LabelSubObject(flags, cType, contents);
+    }
+
+    /**
+     * Returns Flags.
+     *
+     * @return flags
+     */
+    public byte getFlags() {
+        return flags;
+    }
+
+    /**
+     * Returns cType.
+     *
+     * @return cType
+     */
+    public byte getCtype() {
+        return cType;
+    }
+
+    /**
+     * Returns contents.
+     *
+     * @return contents
+     */
+    public int getContents() {
+        return contents;
+    }
+
+    @Override
+    public PcepVersion getVersion() {
+        return PcepVersion.PCEP_1;
+    }
+
+    @Override
+    public short getType() {
+        return TYPE;
+    }
+
+    @Override
+    public short getLength() {
+        return LENGTH;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(flags, cType, contents);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj instanceof LabelSubObject) {
+            LabelSubObject other = (LabelSubObject) obj;
+            return Objects.equals(this.flags, other.flags) && Objects.equals(this.cType, other.cType)
+                    && Objects.equals(this.contents, other.contents);
+        }
+        return false;
+    }
+
+    @Override
+    public int write(ChannelBuffer c) {
+        int iStartIndex = c.writerIndex();
+        c.writeShort(TYPE);
+        c.writeShort(LENGTH);
+        c.writeByte(flags);
+        c.writeByte(cType);
+        c.writeByte(contents);
+        return c.writerIndex() - iStartIndex;
+    }
+
+    /**
+     * Reads the channel buffer and returns object of LabelSubObject.
+     *
+     * @param c type of channel buffer
+     * @return object of LabelSubObject
+     */
+    public static PcepValueType read(ChannelBuffer c) {
+        byte flags = c.readByte();
+        byte cType = c.readByte();
+        int contents = c.readInt();
+        return new LabelSubObject(flags, cType, contents);
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(getClass())
+                .add("type", TYPE)
+                .add("Length", LENGTH)
+                .add("flags", flags)
+                .add("C-type", cType)
+                .add("contents", contents)
+                .toString();
+    }
+}