PageViewCountData.java

package de.laures.cewolf.example;

import java.io.Serializable;
import java.util.Date;
import java.util.Map;

import de.laures.cewolf.DatasetProduceException;
import de.laures.cewolf.DatasetProducer;
import de.laures.cewolf.links.CategoryItemLinkGenerator;
import de.laures.cewolf.tooltips.CategoryToolTipGenerator;

import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;

public class PageViewCountData
    implements DatasetProducer, CategoryToolTipGenerator, CategoryItemLinkGenerator, Serializable
{
    private final String categories[] = {
        "mon", "tue", "wen", "thu", "fri", "sat", "sun"
    };

    private final String seriesNames[] = {
        "cewolfset.jsp", "tutorial.jsp", "testpage.jsp", "performancetest.jsp"
    };

    public Object produceDataset (Map params) throws DatasetProduceException
    {
        DefaultCategoryDataset dataset = new DefaultCategoryDataset();
        for (int series = 0; series < seriesNames.length; series++)
        {
            int lastY = (int)(Math.random() * 1000D + 1000D);
            for (int i = 0; i < categories.length; i++)
            {
                int y = lastY + (int)(Math.random() * 200D - 100D);
                lastY = y;
                dataset.addValue(y, seriesNames[series], categories[i]);
            }
        }

        return dataset;
    }

    public boolean hasExpired (Map params, Date since)
    {
        return System.currentTimeMillis() - since.getTime() > 0L;
    }

    public String getProducerId()
    {
        return "PageViewCountData DatasetProducer";
    }

    public String generateLink (Object data, int series, Object category)
    {
        return seriesNames[series];
    }

    public String generateToolTip(CategoryDataset arg0, int series, int arg2)
    {
        return seriesNames[series];
    }
}