如何将一个文件中所有的import内容，打包成一个jar包？(包括自身项目的一些文件，e.g"import org.jfree.chart.entity.CategoryItemEntity;")

import java.awt.AlphaComposite;
import java.awt.Composite;
import java.awt.Font;
import java.awt.GradientPaint;
import java.awt.Graphics2D;
import java.awt.Paint;
import java.awt.Rectangle;
import java.awt.Shape;
import java.awt.Stroke;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Line2D;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.jfree.chart.ChartRenderingInfo;
import org.jfree.chart.LegendItem;
import org.jfree.chart.LegendItemCollection;
import org.jfree.chart.RenderingSource;
import org.jfree.chart.annotations.CategoryAnnotation;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.entity.CategoryItemEntity;
import org.jfree.chart.entity.EntityCollection;
import org.jfree.chart.event.RendererChangeEvent;
import org.jfree.chart.labels.CategoryItemLabelGenerator;
import org.jfree.chart.labels.CategorySeriesLabelGenerator;
import org.jfree.chart.labels.CategoryToolTipGenerator;
import org.jfree.chart.labels.ItemLabelPosition;
import org.jfree.chart.labels.StandardCategorySeriesLabelGenerator;
import org.jfree.chart.plot.CategoryCrosshairState;
import org.jfree.chart.plot.CategoryMarker;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.DrawingSupplier;
import org.jfree.chart.plot.IntervalMarker;
import org.jfree.chart.plot.Marker;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.PlotRenderingInfo;
import org.jfree.chart.plot.ValueMarker;
import org.jfree.chart.renderer.AbstractRenderer;
import org.jfree.chart.text.TextUtilities;
import org.jfree.chart.urls.CategoryURLGenerator;
import org.jfree.chart.util.GradientPaintTransformer;
import org.jfree.chart.util.Layer;
import org.jfree.chart.util.LengthAdjustmentType;
import org.jfree.chart.util.ObjectList;
import org.jfree.chart.util.ObjectUtilities;
import org.jfree.chart.util.PublicCloneable;
import org.jfree.chart.util.RectangleAnchor;
import org.jfree.chart.util.RectangleEdge;
import org.jfree.chart.util.RectangleInsets;
import org.jfree.chart.util.SortOrder;
import org.jfree.data.Range;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.CategoryDatasetSelectionState;
import org.jfree.data.category.SelectableCategoryDataset;
import org.jfree.data.general.DatasetUtilities;
import java.util.Map;
import java.util.HashMap;
import myprinter.FieldPrinter;