package cnadeau.driver.protocol;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.Properties;
import org.apache.log4j.Logger;
import cnadeau.driver.exceptions.CM19AException;
import cnadeau.enums.AvailableLoggers;
import com.google.common.base.Throwables;
public class DefaultCM19AProtocol extends Properties implements CM19AProtocol
{
Logger logger = Logger.getLogger(AvailableLoggers.Protocol.toString());
public final String PROTOCOL_FILE = "cm19a.protocol";
public DefaultCM19AProtocol()
{
InputStream file = ClassLoader.getSystemResourceAsStream(PROTOCOL_FILE);
if (file == null)
{
throw new CM19AException("Protocol file " + PROTOCOL_FILE + " not found");
}
BufferedReader in = null;
try
{
in = new BufferedReader(new InputStreamReader(file));
String line;
while ((line = in.readLine()) != null)
{
String[] tokens = line.split("\\s+", 2);
setProperty(tokens[0], tokens[1]);
}
}
catch (IOException e)
{
Throwables.propagate(e);
}
finally
{
if (in == null)
{
try
{
in.close();
}
catch (IOException e)
{}
}
}
}
@Override
public byte[] convertCommandToRfTransmitterString(String command)
{
if(command != null && command.equals("exit"))
{
return CLOSE_DRIVER_BYTES;
}
String rfTransmittalAsString = getProperty(command);
if (rfTransmittalAsString == null)
{
logger.warn("Warning: " + command + " not part of the recognized protocol " + getName() + ", ignoring");
return null;
}
String[] s = rfTransmittalAsString.split("\\s+");
byte[] rfTransmittal = new byte[s.length];
for (int i = 0; i < s.length; i++)
{
rfTransmittal[i] = (byte) Integer.decode(s[i]).intValue();
}
return rfTransmittal;
}
@Override
public String getName()
{
return getClass().getSimpleName();
}
}