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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.commons.vfs2.filter;

import java.io.Serializable;

import org.apache.commons.vfs2.FileFilter;
import org.apache.commons.vfs2.FileSelectInfo;

/**
 * A file filter that always returns true.
 *
 * @author This code was originally ported from Apache Commons IO File Filter
 * @see "http://commons.apache.org/proper/commons-io/"
 * @since 2.4
 */
public class TrueFileFilter implements FileFilter, Serializable {

    private static final long serialVersionUID = 1L;

    /**
     * Singleton instance of true filter.
     */
    public static final FileFilter TRUE = new TrueFileFilter();

    /**
     * Restrictive constructor.
     */
    protected TrueFileFilter() {
    }

    /**
     * Returns true.
     *
     * @param fileSelectInfo the file to check (ignored)
     *
     * @return Always {@code true}
     */
    @Override
    public boolean accept(final FileSelectInfo fileSelectInfo) {
        return true;
    }

}