package com.pyxis.greenhopper.jira.actions;
import java.io.IOException;
import java.util.Set;
...
@SuppressWarnings("serial")
public class ChartBoardAction extends VersionBoardAction
{
...
    protected String color;
...    
    public String doSetCurveColor()
    {
      Set<CurveSettings> settings = getChartContext().getSettings();
      for(CurveSettings curveSetting : settings)
      {
        if(curveSetting.getId().equals(curveId))
        {
          curveSetting.setColor(color);
          break;
        }
      }
      getPreferences().setSettings(getChartContext().getSettingsId(), settings);
      getPreferences().save();
      return SUCCESS;
    }
...
    public void setColor(String color)
    {
      this.color = color;
    }