LeafletStylesheetResourceReference.java

/*
 * Copyright 2014 Jan Ferko.
 *
 * 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 sk.drunkenpanda.leaflet.resources;

import de.agilecoders.wicket.webjars.request.resource.WebjarsCssResourceReference;
import org.apache.wicket.request.resource.ResourceReference;

/**
 * Reference to Leaflet CSS resource.
 * @author Jan Ferko 
 */
public final class LeafletStylesheetResourceReference extends WebjarsCssResourceReference {

    /** Singleton instance of stylesheet. */
    private static final ResourceReference INSTANCE = new LeafletStylesheetResourceReference();
    
    /**
     * Private constructor, that creates singleton.
     */
    private LeafletStylesheetResourceReference() {
        super("/leaflet/current/leaflet.css");
    }
    
    /**     
     * @return the singleton instance of stylesheet reference
     */
    public static ResourceReference instance() {
        return INSTANCE;
    }
}