ShortDateTimeColumnGenerator.java

package org.netomi.tracker.ui;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;

import com.vaadin.data.Property;
import com.vaadin.ui.Component;
import com.vaadin.ui.Label;
import com.vaadin.ui.Table;

@SuppressWarnings("serial")
public class ShortDateTimeColumnGenerator
    implements Table.ColumnGenerator {

    private SimpleDateFormat dateFormat;

    public ShortDateTimeColumnGenerator() {
        dateFormat = new SimpleDateFormat("MM/dd HH:mm");
        dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
    }

    public Component generateCell(Table source, Object itemId, Object columnId) {
        // Get the object stored in the cell as a property
        Property prop = source.getItem(itemId).getItemProperty(columnId);

        if (prop.getType().equals(Date.class) && prop.getValue() != null) {
            Date d = (Date) prop.getValue();
            String text = dateFormat.format(d);
            Label label = new Label(text, Label.CONTENT_TEXT);
            label.setSizeUndefined();
            return label;
        } else {
            Label label = new Label("");
            label.setSizeUndefined();
            return label;
        }
    }
}