pcep/spi/src/main/java/org/opendaylight/protocol/pcep/spi/pojo/SimpleObjectHandlerRegistry.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.protocol.pcep.spi.pojo;
   9
  10 import org.opendaylight.protocol.concepts.HandlerRegistry;
  11 import org.opendaylight.protocol.pcep.UnknownObject;
  12 import org.opendaylight.protocol.pcep.spi.ObjectHandlerRegistry;
  13 import org.opendaylight.protocol.pcep.spi.ObjectParser;
  14 import org.opendaylight.protocol.pcep.spi.ObjectSerializer;
  15 import org.opendaylight.protocol.util.Util;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.ObjectHeader;
  18 import org.opendaylight.yangtools.yang.binding.DataContainer;
  19
  20 import com.google.common.base.Preconditions;
  21
  22 /**
  23  *
  24  */
  25 public final class SimpleObjectHandlerRegistry implements ObjectHandlerRegistry {
  26         private final HandlerRegistry<DataContainer, ObjectParser, ObjectSerializer> handlers = new HandlerRegistry<>();
  27
  28         private static int createKey(final int objectClass, final int objectType) {
  29                 Preconditions.checkArgument(objectClass >= 0 && objectClass <= Util.UNSIGNED_BYTE_MAX_VALUE);
  30                 Preconditions.checkArgument(objectType >= 0 && objectType <= 15);
  31                 return (objectClass << 4) | objectType;
  32         }
  33
  34         public AutoCloseable registerObjectParser(final int objectClass, final int objectType, final ObjectParser parser) {
  35                 Preconditions.checkArgument(objectClass >= 0 && objectClass <= Util.UNSIGNED_BYTE_MAX_VALUE);
  36                 Preconditions.checkArgument(objectType >= 0 && objectType <= 15);
  37                 return this.handlers.registerParser(createKey(objectClass, objectType), parser);
  38         }
  39
  40         public AutoCloseable registerObjectSerializer(final Class<? extends Object> objClass, final ObjectSerializer serializer) {
  41                 return this.handlers.registerSerializer(objClass, serializer);
  42         }
  43
  44         @Override
  45         public ObjectParser getObjectParser(final int objectClass, final int objectType) {
  46                 final ObjectParser ret = this.handlers.getParser(createKey(objectClass, objectType));
  47                 if (ret != null) {
  48                         return ret;
  49                 }
  50
  51                 boolean foundClass = false;
  52
  53                 // FIXME: search the parsers, check classes
  54                 //e.getError() == PCEPErrors.UNRECOGNIZED_OBJ_CLASS || e.getError() == PCEPErrors.UNRECOGNIZED_OBJ_TYPE
  55
  56                 if (!foundClass) {
  57                         return new ObjectParser() {
  58                                 @Override
  59                                 public Object parseObject(final ObjectHeader header, final byte[] buffer) {
  60                                         // FIXME: appropriate error (unrecognized object class)
  61                                         return new UnknownObject(null);
  62                                 }
  63                         };
  64
  65                 } else {
  66                         return new ObjectParser() {
  67                                 @Override
  68                                 public Object parseObject(final ObjectHeader header, final byte[] buffer) {
  69                                         // FIXME: appropriate error (unrecognized object type)
  70                                         return new UnknownObject(null);
  71                                 }
  72                         };
  73                 }
  74         }
  75
  76         @Override
  77         public ObjectSerializer getObjectSerializer(final Object object) {
  78                 return this.handlers.getSerializer(object.getImplementedInterface());
  79         }
  80 }