pcep/impl/src/main/java/org/opendaylight/protocol/pcep/impl/object/PCEPBandwidthObjectParser.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.impl.object;
   9
  10 import org.opendaylight.protocol.pcep.PCEPDeserializerException;
  11 import org.opendaylight.protocol.pcep.PCEPDocumentedException;
  12 import org.opendaylight.protocol.pcep.spi.AbstractObjectParser;
  13 import org.opendaylight.protocol.pcep.spi.SubobjectHandlerRegistry;
  14 import org.opendaylight.protocol.pcep.spi.TlvHandlerRegistry;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ieee754.rev130819.Float32;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.BandwidthObject;
  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.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Tlv;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcreq.message.pcreq.message.requests.segment.computation.p2p.reported.route.BandwidthBuilder;
  21
  22 /**
  23  * Parser for {@link BandwidthObject}
  24  */
  25 public class PCEPBandwidthObjectParser extends AbstractObjectParser<BandwidthBuilder> {
  26
  27         public static final int E_CLASS = 5;
  28
  29         public static final int E_TYPE = 1;
  30
  31         public static final int CLASS = 5;
  32
  33         public static final int TYPE = 2;
  34
  35         private static final int BANDWIDTH_F_LENGTH = 4;
  36
  37         public PCEPBandwidthObjectParser(final SubobjectHandlerRegistry subobjReg, final TlvHandlerRegistry tlvReg) {
  38                 super(subobjReg, tlvReg);
  39         }
  40
  41         @Override
  42         public BandwidthObject parseObject(final ObjectHeader header, final byte[] bytes) throws PCEPDeserializerException,
  43         PCEPDocumentedException {
  44                 if (bytes == null || bytes.length == 0) {
  45                         throw new IllegalArgumentException("Array of bytes is mandatory. Can't be null or empty.");
  46                 }
  47                 if (bytes.length != BANDWIDTH_F_LENGTH) {
  48                         throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + bytes.length + "; Expected: "
  49                                         + BANDWIDTH_F_LENGTH + ".");
  50                 }
  51
  52                 final BandwidthBuilder builder = new BandwidthBuilder();
  53
  54                 builder.setIgnore(header.isIgnore());
  55                 builder.setProcessingRule(header.isProcessingRule());
  56
  57                 builder.setBandwidth(new Float32(bytes));
  58
  59                 return builder.build();
  60         }
  61
  62         @Override
  63         public void addTlv(final BandwidthBuilder builder, final Tlv tlv) {
  64                 // No tlvs defined
  65         }
  66
  67         @Override
  68         public byte[] serializeObject(final Object object) {
  69                 if (!(object instanceof BandwidthObject)) {
  70                         throw new IllegalArgumentException("Wrong instance of PCEPObject. Passed " + object.getClass() + ". Needed BandwidthObject.");
  71                 }
  72
  73                 return ((BandwidthObject) object).getBandwidth().getValue();
  74         }
  75
  76         @Override
  77         public int getObjectType() {
  78                 return TYPE;
  79         }
  80
  81         @Override
  82         public int getObjectClass() {
  83                 return CLASS;
  84         }
  85
  86         public int getEObjectType() {
  87                 return E_TYPE;
  88         }
  89
  90         public int getEObjectClass() {
  91                 return E_CLASS;
  92         }
  93 }