package org.apache.torque.util;
   
   import java.io.File;
   import java.util.ArrayList;
   import java.util.List;
   
   import org.codehaus.plexus.util.DirectoryScanner;
   
   /**
   * This class provides a simple method for scanning a directory for files that match include/exclude patterns
   */
  public class SimpleScanner extends DirectoryScanner {
  	private static final String FS = System.getProperty("file.separator");
  
  	public SimpleScanner() {
  		this(null, null, null);
  	}
  
  	public SimpleScanner(File baseDir, String include, String exclude) {
  		super();
  		if (baseDir != null) {
  			setBasedir(baseDir);
  		}
  		if (include != null) {
  			setIncludes(new String[] { include });
  		}
  		if (exclude != null) {
  			setExcludes(new String[] { exclude });
  		}
  	}
  
  	/**
  	 * This method returns files that match an include pattern but do not match an exclude pattern
  	 */
  	public List<File> getFiles() {
  		scan();
  		String[] includedFiles = getIncludedFiles();
  		List<File> files = new ArrayList<File>();
  		for (String includedFile : includedFiles) {
  			String filename = getBasedir().getAbsolutePath() + FS + includedFile;
  			File file = new File(filename);
  			files.add(file);
  		}
  		return files;
  	}
  }