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41 lines
808 B
41 lines
808 B
package network.MessageEncoders;
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import network.Messages.AC35Data;
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import network.Messages.HeartBeat;
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import java.nio.ByteBuffer;
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import static network.Utils.ByteConverter.intToBytes;
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import static network.Utils.ByteConverter.longToBytes;
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/**
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* This encoder can encode a {@link HeartBeat} message.
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*/
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public class HeartBeatEncoder implements MessageEncoder {
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/**
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* Constructor.
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*/
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public HeartBeatEncoder() {
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}
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@Override
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public byte[] encode(AC35Data message) {
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//Downcast.
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HeartBeat heartbeat = (HeartBeat) message;
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//Message is 4 bytes.
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ByteBuffer heartBeat = ByteBuffer.allocate(4);
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heartBeat.put(longToBytes(heartbeat.getSequenceNumber(), 4));
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byte[] result = heartBeat.array();
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return result;
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}
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}
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