package jfreechart_demo;

import org.jfree.chart.*;

public abstract class ChartCreator
{
    public abstract JFreeChart createChart();

    public String getName()
    {
        String fullName = this.getClass().getName();
        String name = fullName.substring(fullName.lastIndexOf('.') + 1);
        char[] chars = name.toCharArray();
        StringBuffer sb = new StringBuffer();
        boolean prevIsUpperOrDigit = true;
        for (int i = 0; i < chars.length; i++)
        {
            char c = chars[i];
            boolean isUpperOrDigit = Character.isUpperCase(c) || Character.isDigit(c);
            if ((!prevIsUpperOrDigit && isUpperOrDigit)
                || (isUpperOrDigit && Character.isLowerCase(chars[i + 1])))
                sb.append(' ');
            sb.append(c);
            prevIsUpperOrDigit = isUpperOrDigit;
        }
        return sb.toString().trim();
    }
}