org.omnifaces.facesconfigparser.digester.rules.FeatureRule Maven / Gradle / Ivy

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/*
 * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package org.omnifaces.facesconfigparser.digester.rules;

import org.apache.commons.digester.Rule;
import org.omnifaces.facesconfigparser.digester.beans.DescriptionBean;
import org.omnifaces.facesconfigparser.digester.beans.DisplayNameBean;
import org.omnifaces.facesconfigparser.digester.beans.FeatureBean;
import org.omnifaces.facesconfigparser.digester.beans.IconBean;

/**
 * 
 * Base Digester rule for elements whose configuration bean extends {@link FeatureBean}.
 * 
 */

public abstract class FeatureRule extends Rule {

    // --------------------------------------------------------- Package Methods

    // Merge "top" into "old"
    static void mergeDescription(DescriptionBean top, DescriptionBean old) {

        if (top.getDescription() != null) {
            old.setDescription(top.getDescription());
        }

    }

    // Merge "top" into "old"
    static void mergeDisplayName(DisplayNameBean top, DisplayNameBean old) {

        if (top.getDisplayName() != null) {
            old.setDisplayName(top.getDisplayName());
        }

    }

    // Merge "top" into "old"
    static void mergeFeatures(FeatureBean top, FeatureBean old) {

        DescriptionBean db[] = top.getDescriptions();
        for (int i = 0; i < db.length; i++) {
            DescriptionBean dbo = old.getDescription(db[i].getLang());
            if (dbo == null) {
                old.addDescription(db[i]);
            } else {
                mergeDescription(db[i], dbo);
            }
        }

        DisplayNameBean dnb[] = top.getDisplayNames();
        for (int i = 0; i < dnb.length; i++) {
            DisplayNameBean dnbo = old.getDisplayName(dnb[i].getLang());
            if (dnbo == null) {
                old.addDisplayName(dnb[i]);
            } else {
                mergeDisplayName(dnb[i], dnbo);
            }
        }

        IconBean ib[] = top.getIcons();
        for (int i = 0; i < ib.length; i++) {
            IconBean ibo = old.getIcon(ib[i].getLang());
            if (ibo == null) {
                old.addIcon(ib[i]);
            } else {
                mergeIcon(ib[i], ibo);
            }
        }

    }

    // Merge "top" into "old"
    static void mergeIcon(IconBean top, IconBean old) {

        if (top.getLargeIcon() != null) {
            old.setLargeIcon(top.getLargeIcon());
        }
        if (top.getSmallIcon() != null) {
            old.setSmallIcon(top.getSmallIcon());
        }

    }

}