pcep/impl/src/main/java/org/opendaylight/protocol/pcep/impl/object/PCEPExistingPathBandwidthObjectParser.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.concepts.Bandwidth;
  11 import org.opendaylight.protocol.pcep.PCEPDeserializerException;
  12 import org.opendaylight.protocol.pcep.PCEPObject;
  13 import org.opendaylight.protocol.pcep.impl.PCEPObjectParser;
  14 import org.opendaylight.protocol.pcep.object.PCEPExistingPathBandwidthObject;
  15 import org.opendaylight.protocol.util.ByteArray;
  16
  17 /**
  18  * Parser for {@link org.opendaylight.protocol.pcep.object.PCEPExistingPathBandwidthObject
  19  * PCEPExistingPathBandwidthObject}
  20  */
  21 public class PCEPExistingPathBandwidthObjectParser implements PCEPObjectParser {
  22
  23         private static final int BANDWIDTH_F_LENGTH = 4;
  24
  25         @Override
  26         public PCEPObject parse(byte[] bytes, boolean processed, boolean ignored) throws PCEPDeserializerException {
  27                 if (bytes == null)
  28                         throw new IllegalArgumentException("Array of bytes is mandatory");
  29                 if (bytes.length != BANDWIDTH_F_LENGTH)
  30                         throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + bytes.length + "; Expected: " + BANDWIDTH_F_LENGTH + ".");
  31
  32                 return new PCEPExistingPathBandwidthObject(new Bandwidth(ByteArray.bytesToFloat(bytes)), processed, ignored);
  33         }
  34
  35         @Override
  36         public byte[] put(PCEPObject obj) {
  37                 if (!(obj instanceof PCEPExistingPathBandwidthObject))
  38                         throw new IllegalArgumentException("Unknown PCEPObject instance.");
  39
  40                 return ByteArray.floatToBytes((float) ((PCEPExistingPathBandwidthObject) obj).getBandwidth().getBytesPerSecond());
  41         }
  42
  43 }