code: public ESRIBounds getBoundsFromHeader() {
  		try {
  			readHeader();
  		} catch (IOException exception) {
  			return null;
  		}
  		return new ESRIBounds(
  				this.minx, this.maxx,
  				this.miny, this.maxy,
  				this.minz, this.maxz,
  				this.minm, this.maxm);
  	}
docs: Replies the bounds read from the shape file header.
  
  @return the bounds or <code>null</code>