Java tutorial
/* * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved. * * This program and the accompanying materials are made available under the * terms of the Eclipse Public License v1.0 which accompanies this distribution, * and is available at http://www.eclipse.org/legal/epl-v10.html */ package org.opendaylight.protocol.pcep.impl.object; import static org.opendaylight.protocol.pcep.spi.VendorInformationUtil.VENDOR_INFORMATION_OBJECT_CLASS; import static org.opendaylight.protocol.pcep.spi.VendorInformationUtil.VENDOR_INFORMATION_OBJECT_TYPE; import static org.opendaylight.protocol.util.ByteBufWriteUtil.writeUnsignedInt; import com.google.common.base.Preconditions; import io.netty.buffer.ByteBuf; import io.netty.buffer.Unpooled; import org.opendaylight.protocol.pcep.spi.EnterpriseSpecificInformationParser; import org.opendaylight.protocol.pcep.spi.ObjectParser; import org.opendaylight.protocol.pcep.spi.ObjectSerializer; import org.opendaylight.protocol.pcep.spi.ObjectUtil; import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.iana.rev130816.EnterpriseNumber; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.ObjectHeader; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.vendor.information.objects.VendorInformationObject; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.vendor.information.objects.VendorInformationObjectBuilder; public abstract class AbstractVendorInformationObjectParser implements ObjectSerializer, ObjectParser, EnterpriseSpecificInformationParser { @Override public final Object parseObject(final ObjectHeader header, final ByteBuf buffer) throws PCEPDeserializerException { Preconditions.checkArgument(buffer != null && buffer.isReadable(), "Array of bytes is mandatory. Can't be null or empty."); final VendorInformationObjectBuilder builder = new VendorInformationObjectBuilder(); builder.setEnterpriseNumber(new EnterpriseNumber(getEnterpriseNumber())); builder.setEnterpriseSpecificInformation(parseEnterpriseSpecificInformation(buffer)); return builder.build(); } @Override public final void serializeObject(final Object object, final ByteBuf buffer) { Preconditions.checkArgument(object instanceof VendorInformationObject, "Wrong instance of PCEPObject. Passed %s. Needed VendorInformationObject.", object.getClass()); final ByteBuf body = Unpooled.buffer(); writeUnsignedInt(getEnterpriseNumber().getValue(), body); serializeEnterpriseSpecificInformation( ((VendorInformationObject) object).getEnterpriseSpecificInformation(), body); ObjectUtil.formatSubobject(VENDOR_INFORMATION_OBJECT_TYPE, VENDOR_INFORMATION_OBJECT_CLASS, object.isProcessingRule(), object.isIgnore(), body, buffer); } }