Removed checkstyle warnings.
[bgpcep.git] / pcep / impl / src / main / java / org / opendaylight / protocol / pcep / impl / object / PCEPCloseObjectParser.java
index d6a608b7887c8255d6eedecab05be26f5428a8cd..15b2effbb78269d1fefec750ca996d6ac2c5eafb 100644 (file)
  */
 package org.opendaylight.protocol.pcep.impl.object;
 
-import org.opendaylight.protocol.pcep.PCEPDeserializerException;
-import org.opendaylight.protocol.pcep.PCEPDocumentedException;
-import org.opendaylight.protocol.pcep.spi.TlvHandlerRegistry;
+import com.google.common.base.Preconditions;
+import com.google.common.primitives.UnsignedBytes;
+
+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.CloseObject;
 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.Tlv;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.close.message.c.close.message.CClose;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.close.message.c.close.message.CCloseBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.close.object.Tlvs;
-
-import com.google.common.primitives.UnsignedBytes;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.close.object.CClose;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.close.object.CCloseBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.close.object.c.close.Tlvs;
 
 /**
  * Parser for {@link org.opendaylight.protocol.pcep.object.PCEPCloseObject PCEPCloseObject}
  */
 public class PCEPCloseObjectParser extends AbstractObjectWithTlvsParser<CCloseBuilder> {
 
-       public static final int CLASS = 15;
-
-       public static final int TYPE = 1;
-
-       /*
-        * lengths of fields in bytes
-        */
-       private static final int FLAGS_F_LENGTH = 1;
-       private static final int REASON_F_LENGTH = 1;
-
-       /*
-        * offsets of fields in bytes
-        */
-       private static final int FLAGS_F_OFFSET = 2;
-       private static final int REASON_F_OFFSET = FLAGS_F_OFFSET + FLAGS_F_LENGTH;
-
-       /*
-        * total size of object in bytes
-        */
-       private static final int TLVS_OFFSET = REASON_F_OFFSET + REASON_F_LENGTH;
-
-       public PCEPCloseObjectParser(final TlvHandlerRegistry tlvReg) {
-               super(tlvReg);
-       }
-
-       @Override
-       public CloseObject parseObject(final ObjectHeader header, final byte[] bytes) throws PCEPDeserializerException, PCEPDocumentedException {
-               if (bytes == null) {
-                       throw new IllegalArgumentException("Byte array is mandatory.");
-               }
-               final CCloseBuilder builder = new CCloseBuilder();
-               parseTlvs(builder, ByteArray.cutBytes(bytes, TLVS_OFFSET));
-               builder.setIgnore(header.isIgnore());
-               builder.setProcessingRule(header.isProcessingRule());
-               builder.setReason((short) UnsignedBytes.toInt(bytes[REASON_F_OFFSET]));
-               return builder.build();
-       }
-
-       @Override
-       public void addTlv(final CCloseBuilder builder, final Tlv tlv) {
-               // No tlvs defined
-       }
-
-       @Override
-       public byte[] serializeObject(final Object object) {
-               if (!(object instanceof CloseObject)) {
-                       throw new IllegalArgumentException("Wrong instance of PCEPObject. Passed " + object.getClass() + ". Needed CloseObject.");
-               }
-               final CloseObject obj = (CloseObject) object;
-
-               final byte[] tlvs = serializeTlvs(obj.getTlvs());
-               int tlvsLength = 0;
-               if (tlvs != null) {
-                       tlvsLength = tlvs.length;
-               }
-               final byte[] retBytes = new byte[TLVS_OFFSET + tlvsLength + getPadding(TLVS_OFFSET + tlvs.length, PADDED_TO)];
-
-               if (tlvs != null) {
-                       ByteArray.copyWhole(tlvs, retBytes, TLVS_OFFSET);
-               }
-               retBytes[REASON_F_OFFSET] = UnsignedBytes.checkedCast(((CClose) obj).getReason());
-               return retBytes;
-       }
-
-       public byte[] serializeTlvs(final Tlvs tlvs) {
-               // No tlvs defined
-               return new byte[0];
-       }
-
-       @Override
-       public int getObjectType() {
-               return TYPE;
-       }
-
-       @Override
-       public int getObjectClass() {
-               return CLASS;
-       }
+    public static final int CLASS = 15;
+
+    public static final int TYPE = 1;
+
+    /*
+     * lengths of fields in bytes
+     */
+    private static final int FLAGS_F_LENGTH = 1;
+    private static final int REASON_F_LENGTH = 1;
+
+    /*
+     * offsets of fields in bytes
+     */
+    private static final int FLAGS_F_OFFSET = 2;
+    private static final int REASON_F_OFFSET = FLAGS_F_OFFSET + FLAGS_F_LENGTH;
+
+    /*
+     * total size of object in bytes
+     */
+    private static final int TLVS_OFFSET = REASON_F_OFFSET + REASON_F_LENGTH;
+
+    public PCEPCloseObjectParser(final TlvRegistry tlvReg) {
+        super(tlvReg);
+    }
+
+    @Override
+    public CClose 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 CCloseBuilder builder = new CCloseBuilder();
+        builder.setIgnore(header.isIgnore());
+        builder.setProcessingRule(header.isProcessingRule());
+        bytes.readerIndex(bytes.readerIndex() + REASON_F_OFFSET);
+        builder.setReason((short) UnsignedBytes.toInt(bytes.readByte()));
+        parseTlvs(builder, bytes.slice());
+        return builder.build();
+    }
+
+    @Override
+    public byte[] serializeObject(final Object object) {
+        if (!(object instanceof CClose)) {
+            throw new IllegalArgumentException("Wrong instance of PCEPObject. Passed " + object.getClass() + ". Needed CloseObject.");
+        }
+        final CClose obj = (CClose) object;
+
+        final byte[] tlvs = serializeTlvs(obj.getTlvs());
+        int tlvsLength = 0;
+        if (tlvs != null) {
+            tlvsLength = tlvs.length;
+        }
+        final byte[] retBytes = new byte[TLVS_OFFSET + tlvsLength + getPadding(TLVS_OFFSET + tlvs.length, PADDED_TO)];
+
+        if (tlvs != null) {
+            ByteArray.copyWhole(tlvs, retBytes, TLVS_OFFSET);
+        }
+        retBytes[REASON_F_OFFSET] = UnsignedBytes.checkedCast(obj.getReason());
+        return ObjectUtil.formatSubobject(TYPE, CLASS, object.isProcessingRule(), object.isIgnore(), retBytes);
+    }
+
+    public byte[] serializeTlvs(final Tlvs tlvs) {
+        // No tlvs defined
+        return new byte[0];
+    }
 }