/**
 * 
 */
package at.gv.egiz.pdfas.impl.input;

import java.io.InputStream;

import at.gv.egiz.pdfas.framework.input.PdfDataSource;

/**
 * @author wprinz
 *
 */
public class DelimitedPdfDataSource implements PdfDataSource
{
  
  protected PdfDataSource dataSource = null;
  protected int len = -1;

  public DelimitedPdfDataSource (PdfDataSource original, int length)
  {
    this.dataSource = original;
    this.len = length;
  }
  
  /**
   * @see at.gv.egiz.pdfas.framework.input.DataSource#createInputStream()
   */
  public InputStream createInputStream()
  {
    InputStream originalIS = this.dataSource.createInputStream();
    DelimitedInputStream dis = new DelimitedInputStream(originalIS, this.len);
    return dis;
  }

  /**
   * @see at.gv.egiz.pdfas.framework.input.DataSource#getLength()
   */
  public int getLength()
  {
    return this.len;
  }

}