BUG-612 : switch PCEP objects to ByteBuf.
[bgpcep.git] / pcep / impl / src / main / java / org / opendaylight / protocol / pcep / impl / object / PCEPObjectiveFunctionObjectParser.java
index 9654b0691bb5de635b3ffe724eeb40893a0fd4f4..d94871f2d8ed620bc172c071b5781e930dac3a42 100644 (file)
@@ -7,20 +7,23 @@
  */
 package org.opendaylight.protocol.pcep.impl.object;
 
-import org.opendaylight.protocol.pcep.PCEPDeserializerException;
-import org.opendaylight.protocol.pcep.PCEPDocumentedException;
-import org.opendaylight.protocol.pcep.impl.message.AbstractObjectWithTlvsParser;
-import org.opendaylight.protocol.pcep.spi.TlvHandlerRegistry;
+import io.netty.buffer.ByteBuf;
+
+import org.opendaylight.protocol.pcep.spi.AbstractObjectWithTlvsParser;
+import org.opendaylight.protocol.pcep.spi.ObjectUtil;
+import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
+import org.opendaylight.protocol.pcep.spi.TlvRegistry;
 import org.opendaylight.protocol.util.ByteArray;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.ObjectHeader;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.OfId;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.OfObject;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Tlv;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.lsp.attributes.OfBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.of.object.Of;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.of.object.OfBuilder;
+
+import com.google.common.base.Preconditions;
 
 /**
- * Parser for {@link OfObject}
+ * Parser for {@link Of}
  */
 public class PCEPObjectiveFunctionObjectParser extends AbstractObjectWithTlvsParser<OfBuilder> {
 
@@ -30,66 +33,37 @@ public class PCEPObjectiveFunctionObjectParser extends AbstractObjectWithTlvsPar
        /*
         * lengths of fields
         */
-       public static final int OF_CODE_F_LENGTH = 2;
+       private static final int OF_CODE_F_LENGTH = 2;
 
        /*
         * offsets of fields
         */
-       public static final int OF_CODE_F_OFFSET = 0;
-       public static final int TLVS_OFFSET = OF_CODE_F_OFFSET + OF_CODE_F_LENGTH + 2; // added reserved field of size 2
+       private static final int OF_CODE_F_OFFSET = 0;
+       private static final int TLVS_OFFSET = OF_CODE_F_OFFSET + OF_CODE_F_LENGTH + 2;
 
-       public PCEPObjectiveFunctionObjectParser(final TlvHandlerRegistry tlvReg) {
+       public PCEPObjectiveFunctionObjectParser(final TlvRegistry tlvReg) {
                super(tlvReg);
        }
 
        @Override
-       public OfObject parseObject(final ObjectHeader header, final byte[] bytes) throws PCEPDeserializerException, PCEPDocumentedException {
-               if (bytes == null || bytes.length == 0) {
-                       throw new IllegalArgumentException("Array of bytes is mandatory. Can't be null or empty.");
-               }
-
+       public Of parseObject(final ObjectHeader header, final ByteBuf bytes) throws PCEPDeserializerException {
+               Preconditions.checkArgument(bytes != null && bytes.isReadable(), "Array of bytes is mandatory. Can't be null or empty.");
                final OfBuilder builder = new OfBuilder();
-
-               parseTlvs(builder, ByteArray.cutBytes(bytes, TLVS_OFFSET));
-
                builder.setIgnore(header.isIgnore());
                builder.setProcessingRule(header.isProcessingRule());
-               builder.setCode(new OfId(ByteArray.bytesToInt(ByteArray.subByte(bytes, OF_CODE_F_OFFSET, OF_CODE_F_LENGTH)) & 0xFFFF));
-
+               builder.setCode(new OfId(bytes.readUnsignedShort()));
                return builder.build();
        }
 
-       @Override
-       public void addTlv(final OfBuilder builder, final Tlv tlv) {
-               // No tlvs defined
-       }
-
        @Override
        public byte[] serializeObject(final Object object) {
-               if (!(object instanceof OfObject)) {
+               if (!(object instanceof Of)) {
                        throw new IllegalArgumentException("Wrong instance of PCEPObject. Passed " + object.getClass()
                                        + ". Needed PCEPObjectiveFunction.");
                }
-
-               final OfObject specObj = (OfObject) object;
-               // FIXME
-               // final byte[] tlvs = PCEPTlvParser.put(specObj.getTlvs());
+               final Of specObj = (Of) object;
                final byte[] retBytes = new byte[TLVS_OFFSET + 0];
-
-               // ByteArray.copyWhole(tlvs, retBytes, TLVS_OFFSET);
-
                ByteArray.copyWhole(ByteArray.shortToBytes(specObj.getCode().getValue().shortValue()), retBytes, OF_CODE_F_OFFSET);
-
-               return retBytes;
-       }
-
-       @Override
-       public int getObjectType() {
-               return TYPE;
-       }
-
-       @Override
-       public int getObjectClass() {
-               return CLASS;
+               return ObjectUtil.formatSubobject(TYPE, CLASS, object.isProcessingRule(), object.isIgnore(), retBytes);
        }
 }