net.sf.staccatocommons.io.internal.FilePredicate Maven / Gradle / Ivy

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/**
 *  Copyright (c) 2010-2012, The StaccatoCommons Team
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License as published by
 *  the Free Software Foundation; version 3 of the License.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Lesser General Public License for more details.
 */

package net.sf.staccatocommons.io.internal;

import java.io.File;
import java.io.FileFilter;

import net.sf.staccatocommons.defs.Evaluable;
import net.sf.staccatocommons.lang.predicate.AbstractPredicate;
import net.sf.staccatocommons.lang.predicate.internal.TopLevelPredicate;
import net.sf.staccatocommons.restrictions.check.NonNull;

/**
 * A {@link AbstractPredicate} that wraps a {@link FileFilter} and acts as a
 * FileFilter api to {@link Evaluable} api bridge
 * 
 * @author flbulgarelli
 * 
 */
public class FilePredicate extends TopLevelPredicate implements FileFilter {

  private static final long serialVersionUID = -7301894743922560545L;
  private final FileFilter fileFilter;

  /**
   * Creates a new {@link FilePredicate} that wraps the given {@link FileFilter}
   * 
   * @param fileFilter
   *          the file filter to wrap
   */
  public FilePredicate(@NonNull FileFilter fileFilter) {
    this.fileFilter = fileFilter;
  }

  public boolean eval(@NonNull File argument) {
    return accept(argument);
  }

  public boolean accept(@NonNull File pathname) {
    return fileFilter.accept(pathname);
  }

}