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.TlvHandlerRegistry;
  13 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ieee754.rev130819.Float32;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.BandwidthObject;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.ObjectHeader;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Tlv;
  18 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;
  19
  20 /**
  21  * Parser for {@link BandwidthObject}
  22  */
  23 public class PCEPBandwidthObjectParser extends AbstractObjectWithTlvsParser<BandwidthBuilder> {
  24
  25         public static final int E_CLASS = 5;
  26
  27         public static final int E_TYPE = 1;
  28
  29         public static final int CLASS = 5;
  30
  31         public static final int TYPE = 2;
  32
  33         private static final int BANDWIDTH_F_LENGTH = 4;
  34
  35         public PCEPBandwidthObjectParser(final TlvHandlerRegistry tlvReg) {
  36                 super(tlvReg);
  37         }
  38
  39         @Override
  40         public BandwidthObject parseObject(final ObjectHeader header, final byte[] bytes) throws PCEPDeserializerException,
  41                         PCEPDocumentedException {
  42                 if (bytes == null || bytes.length == 0) {
  43                         throw new IllegalArgumentException("Array of bytes is mandatory. Can't be null or empty.");
  44                 }
  45                 if (bytes.length != BANDWIDTH_F_LENGTH) {
  46                         throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + bytes.length + "; Expected: "
  47                                         + BANDWIDTH_F_LENGTH + ".");
  48                 }
  49                 final BandwidthBuilder builder = new BandwidthBuilder();
  50                 builder.setIgnore(header.isIgnore());
  51                 builder.setProcessingRule(header.isProcessingRule());
  52                 builder.setBandwidth(new Float32(bytes));
  53                 return builder.build();
  54         }
  55
  56         @Override
  57         public void addTlv(final BandwidthBuilder builder, final Tlv tlv) {
  58                 // No tlvs defined
  59         }
  60
  61         @Override
  62         public byte[] serializeObject(final Object object) {
  63                 if (!(object instanceof BandwidthObject)) {
  64                         throw new IllegalArgumentException("Wrong instance of PCEPObject. Passed " + object.getClass() + ". Needed BandwidthObject.");
  65                 }
  66                 return ((BandwidthObject) object).getBandwidth().getValue();
  67         }
  68
  69         @Override
  70         public int getObjectType() {
  71                 return TYPE;
  72         }
  73
  74         @Override
  75         public int getObjectClass() {
  76                 return CLASS;
  77         }
  78
  79         public int getEObjectType() {
  80                 return E_TYPE;
  81         }
  82
  83         public int getEObjectClass() {
  84                 return E_CLASS;
  85         }
  86 }