import java.math.BigDecimal;

 private static final String JD="jd";

 private static final String WD="wd";

 public boolean processRow(StepMetaInterface smi, StepDataInterface sdi) throws KettleException{

        if(first) {

            first = false;

        }

        Object[] r = getRow();

        if (r == null) {

            setOutputDone();

            return false;

        }

        //维度

        String wdstr = get(Fields.In, WD).getString(r);

        //经度

        String jdstr = get(Fields.In, JD).getString(r);

        if(!isArray(wdstr)||!isArray(jdstr)){

           return true;

        }

        get(Fields.Out, WD).setValue(r, getCovNewVlaue(wdstr));

        get(Fields.Out, JD).setValue(r, getCovNewVlaue(jdstr));

        putRow(data.outputRowMeta, r);

        return true;

  }

 private double getCovNewVlaue(String dustr) {

        String replace =  dustr.replace("N", "").replace("E", "");

        String[] duArray = replace.split(" ");

        double duValue = Double.parseDouble(duArray[]);

        double minuteValue = Double.parseDouble(duArray[]);

        double secondValue = Double.parseDouble(duArray[]);

        BigDecimal minute = BigDecimal.valueOf(minuteValue).divide(BigDecimal.valueOf(), ,

                BigDecimal.ROUND_HALF_DOWN);

        BigDecimal second = BigDecimal.valueOf(secondValue).divide(BigDecimal.valueOf(), ,

                BigDecimal.ROUND_HALF_DOWN);

        BigDecimal newVlaue = BigDecimal.valueOf(duValue).add(minute).add(second);

        return newVlaue.doubleValue();

    }

 private boolean isArray(String dustr){

        return dustr.split(" ").length==?false:true;

 }