org.apache.wicket.request.resource.JavaScriptPackageResource.java Source code

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Here is the source code for org.apache.wicket.request.resource.JavaScriptPackageResource.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.wicket.request.resource;

import static org.apache.wicket.util.resource.ResourceUtils.MIN_POSTFIX_DEFAULT_AS_EXTENSION;

import java.util.Locale;

import org.apache.wicket.Application;
import org.apache.wicket.javascript.IJavaScriptCompressor;

/**
 * Package resource for javascript files.
 */
public class JavaScriptPackageResource extends PackageResource {
    private static final long serialVersionUID = 1L;

    /**
     * Construct.
     * 
     * @param scope
     *            This argument will be used to get the class loader for loading the package
     *            resource, and to determine what package it is in
     * @param name
     *            The relative path to the resource
     * @param locale
     *            The locale of the resource
     * @param style
     *            The style of the resource
     * @param variation
     *            The component's variation (of the style)
     */
    public JavaScriptPackageResource(Class<?> scope, String name, Locale locale, String style, String variation) {
        super(scope, name, locale, style, variation);

        // JS resources can be compressed if there is configured IJavaScriptCompressor, and the
        // resource isn't already minified (the file already has .min. in its name).
        setCompress(!name.contains(MIN_POSTFIX_DEFAULT_AS_EXTENSION));
    }

    /**
     * Gets the {@link IJavaScriptCompressor} to be used. By default returns the configured
     * compressor on application level, but can be overriden by the user application to provide
     * compressor specific to the resource.
     * 
     * @return the configured application level JavaScript compressor. May be {@code null}.
     */
    @Override
    protected IJavaScriptCompressor getCompressor() {
        IJavaScriptCompressor compressor = null;
        if (Application.exists()) {
            compressor = Application.get().getResourceSettings().getJavaScriptCompressor();
        }
        return compressor;
    }

}