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/*
* Copyright 2015 - 2018 Anton Tananaev (anton@traccar.org)
*
* 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.
*/
package org.traccar.protocol;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import org.traccar.BaseProtocolEncoder;
import org.traccar.helper.Checksum;
import org.traccar.model.Command;
import org.traccar.Protocol;
public class BceProtocolEncoder extends BaseProtocolEncoder {
public BceProtocolEncoder(Protocol protocol) {
super(protocol);
}
@Override
protected Object encodeCommand(Command command) {
if (command.getType().equals(Command.TYPE_OUTPUT_CONTROL)) {
ByteBuf buf = Unpooled.buffer();
buf.writeLongLE(Long.parseLong(getUniqueId(command.getDeviceId())));
buf.writeShortLE(1 + 1 + 3 + 1); // length
buf.writeByte(BceProtocolDecoder.MSG_OUTPUT_CONTROL);
buf.writeByte(command.getInteger(Command.KEY_INDEX) == 1 ? 0x0A : 0x0B);
buf.writeByte(0xFF); // index
buf.writeByte(0x00); // form id
buf.writeShortLE(Integer.parseInt(command.getString(Command.KEY_DATA)) > 0 ? 0x0055 : 0x0000);
buf.writeByte(Checksum.sum(buf.nioBuffer()));
return buf;
} else {
return null;
}
}
}
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