guru.mmp.application.web.resources.jqplot.JQPlotJavaScriptResourceReference.java Source code

Introduction

Here is the source code for guru.mmp.application.web.resources.jqplot.JQPlotJavaScriptResourceReference.java

Source

/*
 * Copyright 2017 Marcus Portmann
 *
 * 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 guru.mmp.application.web.resources.jqplot;

//~--- non-JDK imports --------------------------------------------------------

import guru.mmp.application.Debug;
import org.apache.wicket.Application;
import org.apache.wicket.markup.head.HeaderItem;
import org.apache.wicket.markup.head.JavaScriptHeaderItem;
import org.apache.wicket.request.resource.JavaScriptResourceReference;

import java.util.ArrayList;
import java.util.List;

//~--- JDK imports ------------------------------------------------------------

/**
 * The <code>JQPlotJavaScriptResourceReference</code> class implements the resource reference for
 * the jqPlot JavaScript library bundled with the web application library.
 *
 * @author Marcus Portmann
 */
public class JQPlotJavaScriptResourceReference extends JavaScriptResourceReference {
    private static final JQPlotJavaScriptResourceReference INSTANCE = new JQPlotJavaScriptResourceReference();
    private static final long serialVersionUID = 1000000;

    private JQPlotJavaScriptResourceReference() {
        super(JQPlotJavaScriptResourceReference.class,
                Debug.inDebugMode() ? "jquery.jqplot.less" : "jquery.jqplot.min.less");
    }

    /**
     * Returns the single instance of the resource reference for the jqPlot JavaScript library
     * bundled with the web application library.
     *
     * @return the single instance of the resource reference for the jqPlot JavaScript library
     * bundled with the web application library
     */
    public static JQPlotJavaScriptResourceReference get() {
        return INSTANCE;
    }

    /**
     * Returns the dependencies for the resource reference.
     *
     * @return the dependencies for the resource reference
     */
    @Override
    public List<HeaderItem> getDependencies() {
        List<HeaderItem> dependencies = new ArrayList<>();

        for (HeaderItem headerItem : super.getDependencies()) {
            dependencies.add(headerItem);
        }

        dependencies.add(JavaScriptHeaderItem
                .forReference(Application.get().getJavaScriptLibrarySettings().getJQueryReference()));

        return dependencies;
    }
}