StandaloneModbusPortConfigurationGenerator.java

package unit.kernel.modbus;

import com.pholser.junit.quickcheck.generator.GenerationStatus;
import com.pholser.junit.quickcheck.generator.Generator;
import com.pholser.junit.quickcheck.random.SourceOfRandomness;
import kernel.modbus.ModbusPortConfiguration;
import kernel.modbus.StandaloneModbusPortConfiguration;

import java.nio.charset.StandardCharsets;

public class StandaloneModbusPortConfigurationGenerator extends
        Generator<ModbusPortConfiguration> {

    private static final int maximumPortNameStringLengthInBytes = 100;

    public StandaloneModbusPortConfigurationGenerator(){
        super(ModbusPortConfiguration.class);
    }

    @Override public ModbusPortConfiguration generate(
            SourceOfRandomness rngesus,
            GenerationStatus status
    ){
        String portName = new String(rngesus.nextBytes(
                rngesus.nextInt(0, maximumPortNameStringLengthInBytes)
        ), StandardCharsets.UTF_8);

        ModbusPortConfiguration config = new
                StandaloneModbusPortConfiguration();

        config.setPortName(portName);
        config.setBaudRate(
                getNonNegativeInteger(rngesus)
        );
        config.setParityBits(
                getNonNegativeInteger(rngesus)
        );
        config.setEncoding(ModbusPortConfiguration.ASCII_ENCODING);
        config.setDataBits(getNonNegativeInteger(rngesus));
        config.setStopBits(getNonNegativeInteger(rngesus));

        return config;
    }

    private static int getNonNegativeInteger(SourceOfRandomness rngesus){
            return rngesus.nextInt(0, Integer.MAX_VALUE);
    }
}