pl.otros.vfs.browser.table.FileObjectComparator.java Source code

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Here is the source code for pl.otros.vfs.browser.table.FileObjectComparator.java

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/*
 * Copyright 2013 Krzysztof Otrebski (otros.systems@gmail.com)
 *
 * 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 pl.otros.vfs.browser.table;

import org.apache.commons.vfs2.FileObject;
import org.apache.commons.vfs2.FileSystemException;
import org.apache.commons.vfs2.FileType;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.Comparator;

public class FileObjectComparator implements Comparator<FileObject> {

    private static final Logger LOGGER = LoggerFactory.getLogger(FileObjectComparator.class);
    private FileNameWithTypeComparator fileNameWithTypeComparator = new FileNameWithTypeComparator();

    @Override
    public int compare(FileObject o1, FileObject o2) {
        if (o1 != null && o2 != null) {
            try {
                return fileNameWithTypeComparator.compare(new FileNameWithType(o1.getName(), o1.getType()),
                        new FileNameWithType(o2.getName(), o2.getType()));
            } catch (FileSystemException e) {
                return 0;
            }
        }
        return 0;
    }

    private int compareTypes(FileType type1, FileType type2) {
        if (type1.equals(FileType.FILE) && !type2.equals(FileType.FILE)) {
            return 1;
        } else if (!type1.equals(FileType.FILE) && type2.equals(FileType.FILE)) {
            return -1;
        }
        return 0;
    }

}