MetricValuePredefinedFormat.java

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package edu.rice.cs.hpc.data.experiment.metric;

import java.util.Formatter;


/**********************************************************
 * 
 * @author laksonoadhianto
 *
 **********************************************************/
public class MetricValuePredefinedFormat implements IMetricValueFormat {
    private String format;
    
    public MetricValuePredefinedFormat(String sFormat) {
        this.format = sFormat;
    }
    
    
    public String format(MetricValue value) {
        Formatter format_str = new Formatter();
        try {
            // --------------------------------------------------------------------------------
            // temporary bug fix: if the format is hexadecimal (%x), the input value
            //  has to be either an integer or a long number. Since we store by default
            //  the value to be "double", we should convert it to long (integer is too small)
            // 
            // for next release, we need to have a universal metric value type that can 
            //  represent any possible value such as double, int, long, hex, ...
            // --------------------------------------------------------------------------------
/*          if (format.indexOf("%x")>=0) {
                long valong = (long) value.getValue();
                format_str = format_str.format(format, valong);
                
            } else*/ 
            {
                format_str = format_str.format(format, MetricValue.getValue(value));
            }

            if (format_str != null) {
                return format_str.toString();
            } else {
                return "";
            }
        } catch (java.util.IllegalFormatConversionException e) {
            System.err.println("Illegal format conversion: " + format.toString() + "\tFrom value: " + MetricValue.getValue(value));
            e.printStackTrace();
        }
        return "";
    }

    /****
     * get the custom format
     * 
     * @return the format
     */
    public String getFormat() {
        return format;
    }
}