Java tutorial
/* * Copyright (c) 2013 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 com.google.common.base.Preconditions; import io.netty.buffer.ByteBuf; import io.netty.buffer.Unpooled; import java.util.ArrayList; import java.util.List; import org.opendaylight.protocol.pcep.spi.EROSubobjectRegistry; 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.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.explicit.route.object.ero.Subobject; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.explicit.route.object.ero.SubobjectBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.path.key.object.PathKey; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.path.key.object.PathKeyBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.path.key.object.path.key.PathKeys; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.path.key.object.path.key.PathKeysBuilder; /** * Parser for {@link PathKey} */ public class PCEPPathKeyObjectParser extends AbstractEROWithSubobjectsParser { public static final int CLASS = 16; public static final int TYPE = 1; public PCEPPathKeyObjectParser(final EROSubobjectRegistry subReg) { super(subReg); } @Override public PathKey parseObject(final ObjectHeader header, final ByteBuf bytes) throws PCEPDeserializerException { Preconditions.checkArgument(bytes != null && bytes.isReadable(), "Array of bytes is mandatory. Can't be null or empty."); final PathKeyBuilder builder = new PathKeyBuilder(); builder.setIgnore(header.isIgnore()); builder.setProcessingRule(header.isProcessingRule()); final List<PathKeys> pk = new ArrayList<>(); final List<Subobject> subs = parseSubobjects(bytes); for (final Subobject s : subs) { final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.explicit.route.subobjects.subobject.type.PathKeyCase k = (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.explicit.route.subobjects.subobject.type.PathKeyCase) s .getSubobjectType(); pk.add(new PathKeysBuilder().setLoose(s.isLoose()).setPceId(k.getPathKey().getPceId()) .setPathKey(k.getPathKey().getPathKey()).build()); } builder.setPathKeys(pk); return builder.build(); } @Override public void serializeObject(final Object object, final ByteBuf buffer) { Preconditions.checkArgument(object instanceof PathKey, "Wrong instance of PCEPObject. Passed %s. Needed PathKeyObject.", object.getClass()); final PathKey pkey = (PathKey) object; final ByteBuf body = Unpooled.buffer(); final List<PathKeys> pk = pkey.getPathKeys(); final List<Subobject> subs = new ArrayList<>(); for (final PathKeys p : pk) { subs.add(new SubobjectBuilder().setLoose(p.isLoose()).setSubobjectType( new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.explicit.route.subobjects.subobject.type.PathKeyCaseBuilder() .setPathKey( new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.explicit.route.subobjects.subobject.type.path.key._case.PathKeyBuilder() .setPathKey(p.getPathKey()).setPceId(p.getPceId()).build()) .build()) .build()); } serializeSubobject(subs, body); ObjectUtil.formatSubobject(TYPE, CLASS, object.isProcessingRule(), object.isIgnore(), body, buffer); } }