package cz.cuni.amis.pogamut.defcon.communication.worldview.polygons.loaders.borders;
   
   import java.io.BufferedWriter;
   import java.io.File;
   import java.io.FileWriter;
   import java.io.IOException;
   import java.util.List;
   
   import cz.cuni.amis.pogamut.defcon.base3d.worldview.object.DefConLocation;
  
  /**
   * Saves borders to given path.
   * 
   * @author Radek 'Black_Hand' Pibil
   * 
   */
  public class FilePrecomputedBordersSaver implements IPrecomputedBordersSaver {
  
  	private String pathString;
  	private File path;
  
  	public FilePrecomputedBordersSaver(String pathString) {
  		this.pathString = pathString;
  		this.path = new File(pathString);
  
  		if (!this.path.exists()) {
  			this.path.mkdir();
  		}
  
  		if (!this.path.isDirectory())
  			throw new IllegalArgumentException(
  					"FilePrecomputedBordersSaver: pathString has to point to a directory");
  	}
  
  	@Override
  	public void saveBorderOfTerritory(
  			String fileName, List<List<DefConLocation>> territoryBorders)
  			throws IOException {
  		BufferedWriter output = new BufferedWriter(new FileWriter(new File(
  				path, fileName)));
  
  		for (List<DefConLocation> locations : territoryBorders) {
  			output.write(locations.toString());
  			output.write("\n");
  		}
  		output.close();
  	}
  
  	public final String getPathString() {
  		return pathString;
  	}
  }