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/*
* Copyright 2017 - 2019 Anton Tananaev (anton@traccar.org)
* Copyright 2017 Jose Castellanos
*
* 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.StringProtocolEncoder;
import org.traccar.model.Command;
import org.traccar.Protocol;
import java.nio.charset.StandardCharsets;
public class EnforaProtocolEncoder extends StringProtocolEncoder {
public EnforaProtocolEncoder(Protocol protocol) {
super(protocol);
}
private ByteBuf encodeContent(String content) {
ByteBuf buf = Unpooled.buffer();
buf.writeShort(content.length() + 6);
buf.writeShort(0); // index
buf.writeByte(0x04); // command type
buf.writeByte(0); // optional header
buf.writeBytes(content.getBytes(StandardCharsets.US_ASCII));
return buf;
}
@Override
protected Object encodeCommand(Command command) {
return switch (command.getType()) {
case Command.TYPE_CUSTOM -> encodeContent(command.getString(Command.KEY_DATA));
case Command.TYPE_ENGINE_STOP -> encodeContent("AT$IOGP3=1");
case Command.TYPE_ENGINE_RESUME -> encodeContent("AT$IOGP3=0");
default -> null;
};
}
}
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