de.bmw.yamaica.common.ui.utils.FileSystemComparator.java Source code

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Here is the source code for de.bmw.yamaica.common.ui.utils.FileSystemComparator.java

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/* Copyright (C) 2013-2015 BMW Group
 * Author: Manfred Bathelt (manfred.bathelt@bmw.de)
 * Author: Juergen Gehring (juergen.gehring@bmw.de)
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package de.bmw.yamaica.common.ui.utils;

import java.io.File;
import java.util.Comparator;

import org.eclipse.jface.viewers.ViewerComparator;

public class FileSystemComparator extends ViewerComparator {
    protected static final int DIRECTORY = 1;
    protected static final int FILE = 2;

    protected Comparator<String> comparator = null;

    @Override
    public int category(Object element) {
        File file = (File) element;

        if (file.isFile()) {
            return FILE;
        }

        if (file.isDirectory()) {
            return DIRECTORY;
        }

        return super.category(element);
    }

    @Override
    protected Comparator<String> getComparator() {
        if (null == comparator) {
            comparator = new Comparator<String>() {
                @Override
                public int compare(String o1, String o2) {
                    return o1.compareToIgnoreCase(o2);
                }
            };
        }

        return comparator;
    }
}