Sonar issues fix
[bgpcep.git] / pcep / impl / src / main / java / org / opendaylight / protocol / pcep / impl / subobject / XROUnnumberedInterfaceSubobjectParser.java
index 9d3c84fbe79afbd59e7f746d5b62a131e4f00955..ee52d71260f5d290f158b1f20fdd44a277c1897c 100644 (file)
@@ -7,58 +7,64 @@
  */
 package org.opendaylight.protocol.pcep.impl.subobject;
 
-import org.opendaylight.protocol.pcep.PCEPDeserializerException;
-import org.opendaylight.protocol.pcep.subobject.ExcludeRouteSubobject;
-import org.opendaylight.protocol.pcep.subobject.XROUnnumberedInterfaceSubobject;
-import org.opendaylight.protocol.util.ByteArray;
+import static org.opendaylight.protocol.util.ByteBufWriteUtil.writeUnsignedByte;
+import static org.opendaylight.protocol.util.ByteBufWriteUtil.writeUnsignedInt;
+
+import com.google.common.base.Preconditions;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
+import org.opendaylight.protocol.pcep.spi.XROSubobjectParser;
+import org.opendaylight.protocol.pcep.spi.XROSubobjectSerializer;
+import org.opendaylight.protocol.pcep.spi.XROSubobjectUtil;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.exclude.route.object.xro.Subobject;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.exclude.route.object.xro.SubobjectBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.ExcludeRouteSubobjects.Attribute;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.UnnumberedSubobject;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.basic.explicit.route.subobjects.subobject.type.UnnumberedCase;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.basic.explicit.route.subobjects.subobject.type.UnnumberedCaseBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.basic.explicit.route.subobjects.subobject.type.unnumbered._case.UnnumberedBuilder;
 
 /**
- * Parser for {@link org.opendaylight.protocol.pcep.subobject.XROUnnumberedInterfaceSubobject
- * XROUnnumberedInterfaceSubobject}
+ * Parser for {@link UnnumberedCase}
  */
-public class XROUnnumberedInterfaceSubobjectParser {
-       public static final int ATTRIBUTE_LENGTH = 1;
-       public static final int ROUTER_ID_NUMBER_LENGTH = 4;
-       public static final int INTERFACE_ID_NUMBER_LENGTH = 4;
-
-       public static final int ATTRIBUTE_OFFSET = 1;// added reserved field of size 1
-       public static final int ROUTER_ID_NUMBER_OFFSET = ATTRIBUTE_OFFSET + ATTRIBUTE_LENGTH;
-       public static final int INTERFACE_ID_NUMBER_OFFSET = ROUTER_ID_NUMBER_OFFSET + ROUTER_ID_NUMBER_LENGTH;
-
-       public static final int CONTENT_LENGTH = INTERFACE_ID_NUMBER_OFFSET + INTERFACE_ID_NUMBER_LENGTH;
-
-       public static XROUnnumberedInterfaceSubobject parse(final byte[] soContentsBytes, final boolean mandatory)
-                       throws PCEPDeserializerException {
-               if (soContentsBytes == null || soContentsBytes.length == 0)
-                       throw new IllegalArgumentException("Array of bytes is mandatory. Can't be null or empty.");
-               if (soContentsBytes.length != CONTENT_LENGTH)
-                       throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + soContentsBytes.length + "; Expected: "
-                                       + CONTENT_LENGTH + ".");
+public class XROUnnumberedInterfaceSubobjectParser implements XROSubobjectParser, XROSubobjectSerializer {
 
-               // return new XROUnnumberedInterfaceSubobject(new IPv4Address(
-               // ByteArray.subByte(soContentsBytes, ROUTER_ID_NUMBER_OFFSET, ROUTER_ID_NUMBER_LENGTH)), new
-               // UnnumberedInterfaceIdentifier(
-               // UnsignedInts.toLong(ByteArray.bytesToInt(ByteArray.subByte(soContentsBytes, INTERFACE_ID_NUMBER_OFFSET,
-               // INTERFACE_ID_NUMBER_LENGTH)))),
-               // mandatory, XROSubobjectAttributeMapping.getInstance().getFromAttributeIdentifier((short)
-               // (soContentsBytes[ATTRIBUTE_OFFSET] & 0xFF)));
-               return null;
-       }
+    public static final int TYPE = 4;
 
-       public static byte[] put(final ExcludeRouteSubobject objToSerialize) {
-               if (!(objToSerialize instanceof XROUnnumberedInterfaceSubobject))
-                       throw new IllegalArgumentException("Unknown PCEPXROSubobject instance. Passed " + objToSerialize.getClass()
-                                       + ". Needed XROUnnumberedInterfaceSubobject.");
+    private static final int RESERVED = 1;
 
-               byte[] retBytes;
-               retBytes = new byte[CONTENT_LENGTH];
-               final XROUnnumberedInterfaceSubobject specObj = (XROUnnumberedInterfaceSubobject) objToSerialize;
+    private static final int CONTENT_LENGTH = 10;
 
-               retBytes[ATTRIBUTE_OFFSET] = (byte) XROSubobjectAttributeMapping.getInstance().getFromAttributeEnum(specObj.getAttribute());
-               ByteArray.copyWhole(specObj.getRouterID().getAddress(), retBytes, ROUTER_ID_NUMBER_OFFSET);
-               System.arraycopy(ByteArray.longToBytes(specObj.getInterfaceID().getInterfaceId()), Long.SIZE / Byte.SIZE
-                               - INTERFACE_ID_NUMBER_LENGTH, retBytes, INTERFACE_ID_NUMBER_OFFSET, INTERFACE_ID_NUMBER_LENGTH);
+    @Override
+    public Subobject parseSubobject(final ByteBuf buffer, final boolean mandatory) throws PCEPDeserializerException {
+        Preconditions.checkArgument(buffer != null && buffer.isReadable(), "Array of bytes is mandatory. Can't be null or empty.");
+        if (buffer.readableBytes() != CONTENT_LENGTH) {
+            throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + buffer.readableBytes() + "; Expected: "
+                    + CONTENT_LENGTH + ".");
+        }
+        buffer.readerIndex(buffer.readerIndex() + RESERVED);
+        final SubobjectBuilder builder = new SubobjectBuilder();
+        builder.setMandatory(mandatory);
+        builder.setAttribute(Attribute.forValue(buffer.readUnsignedByte()));
+        final UnnumberedBuilder ubuilder = new UnnumberedBuilder();
+        ubuilder.setRouterId(buffer.readUnsignedInt());
+        ubuilder.setInterfaceId(buffer.readUnsignedInt());
+        builder.setSubobjectType(new UnnumberedCaseBuilder().setUnnumbered(ubuilder.build()).build());
+        return builder.build();
+    }
 
-               return retBytes;
-       }
+    @Override
+    public void serializeSubobject(final Subobject subobject, final ByteBuf buffer) {
+        Preconditions.checkArgument(subobject.getSubobjectType() instanceof UnnumberedCase, "Unknown subobject instance. Passed %s. Needed UnnumberedCase.", subobject.getSubobjectType().getClass());
+        final UnnumberedSubobject specObj = ((UnnumberedCase) subobject.getSubobjectType()).getUnnumbered();
+        final ByteBuf body = Unpooled.buffer(CONTENT_LENGTH);
+        body.writeZero(RESERVED);
+        writeUnsignedByte(subobject.getAttribute() != null ? (short) subobject.getAttribute().getIntValue() : null, body);
+        Preconditions.checkArgument(specObj.getRouterId() != null, "RouterId is mandatory.");
+        writeUnsignedInt(specObj.getRouterId(), body);
+        Preconditions.checkArgument(specObj.getInterfaceId() != null, "InterfaceId is mandatory.");
+        writeUnsignedInt(specObj.getInterfaceId(), body);
+        XROSubobjectUtil.formatSubobject(TYPE, subobject.isMandatory(), body, buffer);
+    }
 }