/*
 * 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;

/**
 * A {@link FileSelector} that selects files of a particular type.
 */
public class FileTypeSelector
    implements FileSelector
{
    /** The FileType */
    private final FileType type;

    /**
     * Creates a new selector for the given file type.
     *
     * @param type
     *            The file type to select
     */
    public FileTypeSelector(final FileType type)
    {
        this.type = type;
    }

    /**
     * Determines if a file or folder should be selected.
     * @param fileInfo The file selection information.
     * @return true if the file or folder should be selected.
     * @throws FileSystemException if an error occurs
     */
    @Override
    public boolean includeFile(final FileSelectInfo fileInfo)
        throws FileSystemException
    {
        return fileInfo.getFile().getType() == type;
    }

    /**
     * Determines whether a folder should be traversed.
     * @param fileInfo The file selection information.
     * @return true if the file or folder should be traversed.
     */
    @Override
    public boolean traverseDescendents(final FileSelectInfo fileInfo)
    {
        return true;
    }
}