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.impl.message.AbstractObjectWithTlvsParser;
  13 import org.opendaylight.protocol.pcep.spi.TlvHandlerRegistry;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ieee754.rev130819.Float32;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.BandwidthObject;
  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.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Tlv;
  19 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;
  20
  21 /**
  22  * Parser for {@link BandwidthObject}
  23  */
  24 public class PCEPBandwidthObjectParser extends AbstractObjectWithTlvsParser<BandwidthBuilder> {
  25
  26         public static final int E_CLASS = 5;
  27
  28         public static final int E_TYPE = 1;
  29
  30         public static final int CLASS = 5;
  31
  32         public static final int TYPE = 2;
  33
  34         private static final int BANDWIDTH_F_LENGTH = 4;
  35
  36         public PCEPBandwidthObjectParser(final TlvHandlerRegistry tlvReg) {
  37                 super(tlvReg);
  38         }
  39
  40         @Override
  41         public BandwidthObject parseObject(final ObjectHeader header, final byte[] bytes) throws PCEPDeserializerException,
  42         PCEPDocumentedException {
  43                 if (bytes == null || bytes.length == 0) {
  44                         throw new IllegalArgumentException("Array of bytes is mandatory. Can't be null or empty.");
  45                 }
  46                 if (bytes.length != BANDWIDTH_F_LENGTH) {
  47                         throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + bytes.length + "; Expected: "
  48                                         + BANDWIDTH_F_LENGTH + ".");
  49                 }
  50
  51                 final BandwidthBuilder builder = new BandwidthBuilder();
  52
  53                 builder.setIgnore(header.isIgnore());
  54                 builder.setProcessingRule(header.isProcessingRule());
  55
  56                 builder.setBandwidth(new Float32(bytes));
  57
  58                 return builder.build();
  59         }
  60
  61         @Override
  62         public void addTlv(final BandwidthBuilder builder, final Tlv tlv) {
  63                 // No tlvs defined
  64         }
  65
  66         @Override
  67         public byte[] serializeObject(final Object object) {
  68                 if (!(object instanceof BandwidthObject)) {
  69                         throw new IllegalArgumentException("Wrong instance of PCEPObject. Passed " + object.getClass() + ". Needed BandwidthObject.");
  70                 }
  71
  72                 return ((BandwidthObject) object).getBandwidth().getValue();
  73         }
  74
  75         @Override
  76         public int getObjectType() {
  77                 return TYPE;
  78         }
  79
  80         @Override
  81         public int getObjectClass() {
  82                 return CLASS;
  83         }
  84
  85         public int getEObjectType() {
  86                 return E_TYPE;
  87         }
  88
  89         public int getEObjectClass() {
  90                 return E_CLASS;
  91         }
  92 }