package de.juplo.test;
   
   import java.io.BufferedReader;
   import java.io.File;
   import java.io.FileNotFoundException;
   import java.io.FileReader;
   import java.io.IOException;
   
   
  public class FileComparator
  {
    private final File basedir;
    private BufferedReader expectedReader;
    private BufferedReader foundReader;
  
    public FileComparator(File basedir)
    {
      this.basedir = basedir;
    }
  
    public boolean isEqual(final String expectedFile, final String foundFile)
      throws
        FileNotFoundException,
        IOException
    {
      File file;
      String expected, found;
  
      file = new File(basedir, expectedFile);
      expectedReader = new BufferedReader(new FileReader(file));
  
      file = new File(basedir, foundFile);
      foundReader = new BufferedReader(new FileReader(file));
  
  
      while ((expected = expectedReader.readLine()) != null)
      {
        found = foundReader.readLine();
        if (!expected.equals(found))
        {
          System.err.println("Mismatch!");
          System.err.println("Expected: " + expected);
          System.err.println("Found:    " + found);
          return false;
        }
      }
  
      if ((found = foundReader.readLine()) != null)
      {
        System.err.println("Found more content than expected!");
        System.err.println("Starting with: " + found);
        return false;
      }
  
      return true;
    }
  }