com.book.identification.FileFilter.java Source code

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Here is the source code for com.book.identification.FileFilter.java

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// Copyright 2013 fernando.hernandez

// Licensed 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 com.book.identification;

import java.io.File;
import java.util.Arrays;
import java.util.EnumSet;
import java.util.Iterator;

import org.apache.commons.io.FilenameUtils;
import org.apache.commons.lang3.StringUtils;

public class FileFilter implements java.io.FileFilter {

    private final EnumSet<FileType> fileTypes;

    public FileFilter(FileType... fileType) {
        super();
        this.fileTypes = EnumSet.copyOf(Arrays.asList(fileType));
    }

    public synchronized boolean accept(File file) {

        Iterator<FileType> iterator = fileTypes.iterator();
        boolean result = false;
        while (iterator.hasNext()) {
            if (file.isFile()) {
                String extension = FilenameUtils.getExtension(file.getName());
                if (StringUtils.equalsIgnoreCase(iterator.next().toString(), extension)) {
                    result = true;
                    break;
                }
            } else {
                result = true;
                break;
            }
        }
        return result;
    }

}