2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.protocol.pcep.impl.subobject;
10 import org.opendaylight.protocol.pcep.PCEPDeserializerException;
11 import org.opendaylight.protocol.pcep.spi.EROSubobjectParser;
12 import org.opendaylight.protocol.pcep.spi.EROSubobjectSerializer;
13 import org.opendaylight.protocol.util.ByteArray;
14 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.AsNumber;
15 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.explicit.route.object.Subobjects;
16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.explicit.route.object.SubobjectsBuilder;
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.AsNumberSubobject;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.basic.explicit.route.subobjects.SubobjectType;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.basic.explicit.route.subobjects.subobject.type.AsNumberBuilder;
22 * Parser for {@link AsNumberSubobject}
24 public class EROAsNumberSubobjectParser implements EROSubobjectParser, EROSubobjectSerializer {
26 public static final int TYPE = 32;
28 public static final int AS_NUMBER_LENGTH = 4;
30 public static final int AS_NUMBER_OFFSET = 0;
32 public static final int CONTENT_LENGTH = AS_NUMBER_LENGTH + AS_NUMBER_OFFSET;
35 public Subobjects parseSubobject(final byte[] buffer, final boolean loose) throws PCEPDeserializerException {
36 if (buffer == null || buffer.length == 0) {
37 throw new IllegalArgumentException("Array of bytes is mandatory. Can't be null or empty.");
39 if (buffer.length != CONTENT_LENGTH) {
40 throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + buffer.length + "; Expected: "
41 + CONTENT_LENGTH + ".");
44 return new SubobjectsBuilder().setLoose(loose).setSubobjectType(
45 new AsNumberBuilder().setAsNumber(new AsNumber(ByteArray.bytesToLong(buffer))).build()).build();
49 public byte[] serializeSubobject(final Subobjects subobject) {
50 if (!(subobject.getSubobjectType() instanceof AsNumberSubobject)) {
51 throw new IllegalArgumentException("Unknown subobject instance. Passed " + subobject.getSubobjectType().getClass()
52 + ". Needed AsNumberSubobject.");
55 final byte[] retBytes = new byte[CONTENT_LENGTH];
57 final SubobjectType s = subobject.getSubobjectType();
59 System.arraycopy(ByteArray.longToBytes(((AsNumberSubobject) s).getAsNumber().getValue()), Long.SIZE / Byte.SIZE - AS_NUMBER_LENGTH,
60 retBytes, AS_NUMBER_OFFSET, AS_NUMBER_LENGTH);
66 public int getType() {