AttributeDescriptorComparator.java

/**
 * Copyright (c) Codice Foundation
 * <p>
 * This is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser
 * General Public License as published by the Free Software Foundation, either version 3 of the
 * License, or any later version.
 * <p>
 * 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
 * Lesser General Public License for more details. A copy of the GNU Lesser General Public License
 * is distributed along with this program and can be found at
 * <http://www.gnu.org/licenses/lgpl.html>.
 **/

package org.codice.ddf.spatial.ogc.wfs.catalog.common;

import java.io.Serializable;
import java.text.Collator;
import java.util.Comparator;

import ddf.catalog.data.AttributeDescriptor;

public class AttributeDescriptorComparator
        implements Comparator<AttributeDescriptor>, Serializable {

    private static final long serialVersionUID = 1L;

    @Override
    public int compare(AttributeDescriptor ad1, AttributeDescriptor ad2) {
        int compared = 0;
        compared = Collator.getInstance()
                .compare(ad1.getName(), ad2.getName());
        if (compared != 0) {
            return compared;
        }
        compared = ad1.getName()
                .compareTo(ad2.getName());
        if (compared != 0) {
            return compared;
        }
        compared = ad1.getType()
                .getAttributeFormat()
                .compareTo(ad2.getType()
                        .getAttributeFormat());
        if (compared != 0) {
            return compared;
        }

        compared = ad1.getType()
                .getBinding()
                .toString()
                .compareTo(ad2.getType()
                        .getBinding()
                        .toString());
        if (compared != 0) {
            return compared;
        }

        compared = Boolean.valueOf(ad1.isIndexed())
                .compareTo(Boolean.valueOf(ad2.isIndexed()));
        if (compared != 0) {
            return compared;
        }

        compared = Boolean.valueOf(ad1.isStored())
                .compareTo(Boolean.valueOf(ad2.isStored()));
        if (compared != 0) {
            return compared;
        }

        compared = Boolean.valueOf(ad1.isTokenized())
                .compareTo(Boolean.valueOf(ad2.isTokenized()));
        if (compared != 0) {
            return compared;
        }

        compared = Boolean.valueOf(ad1.isMultiValued())
                .compareTo(Boolean.valueOf(ad2.isMultiValued()));
        if (compared != 0) {
            return compared;
        }

        return compared;
    }
}