nl.sidn.dnslib.message.records.NotImplementedResourceRecord.java Source code

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Here is the source code for nl.sidn.dnslib.message.records.NotImplementedResourceRecord.java

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/*
 * ENTRADA, a big data platform for network data analytics
 *
 * Copyright (C) 2016 SIDN [https://www.sidn.nl]
 * 
 * This file is part of ENTRADA.
 * 
 * ENTRADA is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * ENTRADA is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with ENTRADA.  If not, see [<http://www.gnu.org/licenses/].
 *
 */
package nl.sidn.dnslib.message.records;

import javax.json.Json;
import javax.json.JsonObject;
import javax.json.JsonObjectBuilder;

import org.apache.commons.codec.binary.Hex;
import org.apache.commons.lang3.StringUtils;
import org.apache.log4j.Logger;

import nl.sidn.dnslib.message.util.NetworkData;

public class NotImplementedResourceRecord extends AbstractResourceRecord {

    private static final long serialVersionUID = 1L;
    private static final Logger LOGGER = Logger.getLogger(NotImplementedResourceRecord.class);

    @Override
    public void decode(NetworkData buffer) {
        super.decode(buffer);
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("decode unknown RR with name: " + getName());
            LOGGER.debug(" Unknown RR has size: " + (int) rdLength);
            LOGGER.debug(toZone(100));
        }

        if (rdLength > 0) {
            buffer.setReaderIndex(buffer.getReaderIndex() + rdLength);
        }

    }

    @Override
    public void encode(NetworkData buffer) {
        super.encode(buffer);

        buffer.writeChar(rdLength);
        buffer.writeBytes(rdata);

    }

    @Override
    public String toZone(int maxLength) {
        StringBuffer b = new StringBuffer();
        int paddedSize = (maxLength - name.length()) + name.length();
        String ownerWithPadding = StringUtils.rightPad(name, paddedSize, " ");

        b.append(ownerWithPadding + "\t" + ttl + "\t");

        if (classz == null) {
            b.append("CLASS" + (int) rawClassz);
        } else {
            b.append(classz);
        }

        b.append("\t");
        if (type == null) {
            b.append("TYPE" + (int) rawType);
        } else {
            b.append(type);
        }
        b.append("\t");

        b.append("\\# " + (int) rdLength);

        if (rdLength > 0) {
            b.append(" " + Hex.encodeHexString(rdata));
        }

        return b.toString();

    }

    @Override
    public JsonObject toJSon() {
        String actualClass = null;
        String actualType = null;
        if (classz == null) {
            actualClass = "CLASS" + (int) rawClassz;
        } else {
            actualClass = classz.name();
        }

        if (type == null) {
            actualType = "TYPE" + (int) rawType;
        } else {
            actualType = "" + type;
        }

        JsonObjectBuilder builder = Json.createObjectBuilder();
        return builder.add("rdata", Json.createObjectBuilder().add("class", actualClass).add("type", actualType)
                .add("rdlength", (int) rdLength).add("rdata", Hex.encodeHexString(rdata))).build();
    }

}