org.bonitasoft.studio.importer.ImporterPriorityDisplayComparator.java Source code

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Here is the source code for org.bonitasoft.studio.importer.ImporterPriorityDisplayComparator.java

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/**
 * Copyright (C) 2011 BonitaSoft S.A.
 * BonitaSoft, 31 rue Gustave Eiffel - 38000 Grenoble
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2.0 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.bonitasoft.studio.importer;

import java.util.Comparator;

import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerComparator;

/**
 * @author Aurelien Pupier
 */
public class ImporterPriorityDisplayComparator extends ViewerComparator {

    @Override
    protected Comparator<ImporterFactory> getComparator() {
        return new Comparator<ImporterFactory>() {
            public int compare(ImporterFactory arg0, ImporterFactory arg1) {
                final int priorityDisplay0 = arg0.getPriorityDisplay();
                final int priorityDisplay1 = arg1.getPriorityDisplay();
                if (priorityDisplay0 < priorityDisplay1) {
                    return -1;
                } else if (priorityDisplay0 == priorityDisplay1) {
                    return 0;
                } else {
                    return 1;
                }
            }
        };
    }

    @Override
    public int compare(Viewer viewer, Object e1, Object e2) {
        if (e1 instanceof ImporterFactory && e2 instanceof ImporterFactory) {
            return getComparator().compare((ImporterFactory) e1, (ImporterFactory) e2);
        } else {
            return 0;
        }
    }

}