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Thymeleaf implementation of Dandelion that provides a Thymeleaf dialect.
There is a newer version: 1.1.1
/*
 * [The "BSD licence"]
 * Copyright (c) 2013 Dandelion
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * 3. Neither the name of Dandelion nor the names of its contributors
 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.github.dandelion.thymeleaf.util;

import com.github.dandelion.core.asset.Asset;
import com.github.dandelion.core.asset.AssetType;
import com.github.dandelion.core.asset.Assets;
import com.github.dandelion.thymeleaf.dialect.AssetsAttributeName;
import com.github.dandelion.thymeleaf.dialect.DandelionDialect;
import org.thymeleaf.Arguments;
import org.thymeleaf.dom.Element;

import javax.servlet.http.HttpServletRequest;
import java.util.List;

/**
 * Render of Assets for Thymeleaf
 */
public class AssetsRender {
    /**
     * Render all <link/> of CSS assets by adding them in thymeleaf model
     * @param assets asset to treat
     * @param root thymeleaf element root
     * @param request http request
     */
    public static void renderLink(List assets, Element root, HttpServletRequest request) {
        for(Asset asset: Assets.filterByType(assets, AssetType.css)) {
            for(String location:renderLocations(asset, request)) {
                Element link = new Element("link");
                link.setAttribute("rel", "stylesheet");
                link.setAttribute("href", location);
                root.insertChild(root.numChildren(), link);
            }
        }
    }

    /**
     * Render all <script/> of JS assets by adding them in thymeleaf model
     * @param assets asset to treat
     * @param root thymeleaf element root
     * @param request http request
     */
    public static void renderScript(List assets, Element root, HttpServletRequest request) {
        for(Asset asset:Assets.filterByType(assets, AssetType.js)) {
            for(String location:renderLocations(asset, request)) {
                Element script = new Element("script");
                script.setAttribute("src", location);
                root.insertChild(root.numChildren(), script);
            }
        }
    }

    private static List renderLocations(Asset asset, HttpServletRequest request) {
        return Assets.getAssetLocations(asset, request);
    }
}