org.bgp4j.netty.protocol.update.CommunityPathAttributeCodecHandler.java Source code

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Here is the source code for org.bgp4j.netty.protocol.update.CommunityPathAttributeCodecHandler.java

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/**
 *  Copyright 2012 Rainer Bieniek (Rainer.Bieniek@web.de)
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 * 
 * File: org.bgp4j.netty.protocol.update.CommunityPathAttributeCodecHandler.java 
 */
package org.bgp4j.netty.protocol.update;

import io.netty.buffer.ByteBuf;

import org.bgp4j.net.attributes.CommunityMember;
import org.bgp4j.net.attributes.CommunityPathAttribute;
import org.bgp4j.netty.BGPv4Constants;

/**
 * @author Rainer Bieniek (Rainer.Bieniek@web.de)
 *
 */
public class CommunityPathAttributeCodecHandler extends PathAttributeCodecHandler<CommunityPathAttribute> {

    /* (non-Javadoc)
     * @see org.bgp4j.netty.protocol.update.PathAttributeCodecHandler#typeCode(org.bgp4j.netty.protocol.update.PathAttribute)
     */
    @Override
    public int typeCode(CommunityPathAttribute attr) {
        return BGPv4Constants.BGP_PATH_ATTRIBUTE_TYPE_COMMUNITIES;
    }

    /* (non-Javadoc)
     * @see org.bgp4j.netty.protocol.update.PathAttributeCodecHandler#encodeValue(org.bgp4j.netty.protocol.update.PathAttribute)
     */
    @Override
    public void encodeValue(ByteBuf buffer, CommunityPathAttribute attr) {
        buffer.writeInt(attr.getCommunity());

        if (attr.getMembers() != null) {
            for (CommunityMember member : attr.getMembers()) {
                buffer.writeShort(member.getAsNumber());
                buffer.writeShort(member.getMemberFlags());
            }
        }
    }

}