/*
 * Grid2DSquareCellDoubleFileFactory.java
 *
 * Created on 01 February 2002, 11:46
 */

package uk.ac.leeds.ccg.cluster.grids;
import java.io.*;

/**
 *
 * @author  andyt
 */
public class Grid2DSquareCellDoubleFileFactory extends AbstractGrid2DSquareCellDoubleFactory {
    
    /**
     * For storing what directory to store data in
     */
    String dataDirectory;
    
    /** Creates new Grid2DSquareCellDoubleFileFactory. */
    public Grid2DSquareCellDoubleFileFactory() {
        this(System.getProperty("java.io.tmpdir"));
    }

    /** Creates new Grid2DSquareCellDoubleFileFactory. */
    public Grid2DSquareCellDoubleFileFactory(String dataDirectory) {
        setDataDirectory(dataDirectory);
    }
    
    /**
     * Returns dataDirectory
     */
    public String getDataDirectory() {return this.dataDirectory;}

    /**
     * Sets dataDirectory
     */
    public void setDataDirectory(String dataDirectory) {this.dataDirectory = dataDirectory;}
        
    /**
     * Creates a Grid2DSquareCellDoubleFile and returns it as an Abstract2DGrid2DSquareCellDouble
     */
    public AbstractGrid2DSquareCellDouble createGrid2DSquareCellDouble(int nrows,int ncols,double xllcorner,double yllcorner,double cellsize,double noDataValue) {
        boolean isNewFile = false;
        String filename = new String(getDataDirectory()+"f"+System.currentTimeMillis());
        File file = new File(filename);
        try {
            if (file.exists()) {
                while (!isNewFile) {
                    filename = getDataDirectory()+"f"+System.currentTimeMillis();
                    file = new File(filename);
                    if (!file.exists()) {
                        file.createNewFile();
                        isNewFile = true;
                    }
                }
            } else {
                file.createNewFile();
            }
            // Set to delete on exiting the Java Virtual Machine
            file.deleteOnExit();
        } catch (java.io.IOException ioe1) {
            System.out.println(ioe1+" in Grid2DSquareCellDoubleFileFactory createGrid2DSquareCellDouble(ncols("+ncols+"),nrows("+nrows+"),xllcorner("+xllcorner+"),yllcorner("+yllcorner+"),cellsize("+cellsize+"),noDataValue("+noDataValue+"))");
            System.exit(0);
        }
        return new Grid2DSquareCellDoubleFile(file,nrows,ncols,xllcorner,yllcorner,cellsize,noDataValue);
    }
    
    public String toString() {
        return "Grid2DSquareCellDoubleFileFactory";
    }

}