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.spi.ObjectHandlerRegistry;
  12 import org.opendaylight.protocol.pcep.spi.ObjectParser;
  13 import org.opendaylight.protocol.pcep.spi.ObjectSerializer;
  14 import org.opendaylight.protocol.pcep.spi.PCEPErrors;
  15 import org.opendaylight.protocol.pcep.spi.UnknownObject;
  16 import org.opendaylight.protocol.util.Values;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.ObjectHeader;
  19 import org.opendaylight.yangtools.yang.binding.DataContainer;
  20
  21 import com.google.common.base.Preconditions;
  22
  23 /**
  24  *
  25  */
  26 public final class SimpleObjectHandlerRegistry implements ObjectHandlerRegistry {
  27         private final HandlerRegistry<DataContainer, ObjectParser, ObjectSerializer> handlers = new HandlerRegistry<>();
  28
  29         private static int createKey(final int objectClass, final int objectType) {
  30                 Preconditions.checkArgument(objectClass >= 0 && objectClass <= Values.UNSIGNED_BYTE_MAX_VALUE);
  31                 Preconditions.checkArgument(objectType >= 0 && objectType <= 15);
  32                 return (objectClass << 4) | objectType;
  33         }
  34
  35         public AutoCloseable registerObjectParser(final int objectClass, final int objectType, final ObjectParser parser) {
  36                 Preconditions.checkArgument(objectClass >= 0 && objectClass <= Values.UNSIGNED_BYTE_MAX_VALUE);
  37                 Preconditions.checkArgument(objectType >= 0 && objectType <= 15);
  38                 return this.handlers.registerParser(createKey(objectClass, objectType), parser);
  39         }
  40
  41         public AutoCloseable registerObjectSerializer(final Class<? extends Object> objClass, final ObjectSerializer serializer) {
  42                 return this.handlers.registerSerializer(objClass, serializer);
  43         }
  44
  45         @Override
  46         public ObjectParser getObjectParser(final int objectClass, final int objectType) {
  47                 final ObjectParser ret = this.handlers.getParser(createKey(objectClass, objectType));
  48                 if (ret != null) {
  49                         return ret;
  50                 }
  51
  52                 final boolean foundClass = false;
  53
  54                 // FIXME: BUG-187: search the parsers, check classes
  55
  56                 if (!foundClass) {
  57                         return new ObjectParser() {
  58                                 @Override
  59                                 public Object parseObject(final ObjectHeader header, final byte[] buffer) {
  60                                         return new UnknownObject(PCEPErrors.UNRECOGNIZED_OBJ_CLASS);
  61                                 }
  62                         };
  63                 } else {
  64                         return new ObjectParser() {
  65                                 @Override
  66                                 public Object parseObject(final ObjectHeader header, final byte[] buffer) {
  67                                         return new UnknownObject(PCEPErrors.UNRECOGNIZED_OBJ_TYPE);
  68                                 }
  69                         };
  70                 }
  71         }
  72
  73         @Override
  74         public ObjectSerializer getObjectSerializer(final Object object) {
  75                 return this.handlers.getSerializer(object.getImplementedInterface());
  76         }
  77 }