    001// Copyright 2010 The Apache Software Foundation
    002//
    003// Licensed under the Apache License, Version 2.0 (the "License");
    004// you may not use this file except in compliance with the License.
    005// You may obtain a copy of the License at
    006//
    007// http://www.apache.org/licenses/LICENSE-2.0
    008//
    009// Unless required by applicable law or agreed to in writing, software
    010// distributed under the License is distributed on an "AS IS" BASIS,
    011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    012// See the License for the specific language governing permissions and
    013// limitations under the License.
    014
    015package org.apache.tapestry5.internal.services.javascript;
    016
    017import java.util.List;
    018
    019import org.apache.tapestry5.SymbolConstants;
    020import org.apache.tapestry5.services.javascript.JavaScriptStack;
    021import org.apache.tapestry5.services.javascript.JavaScriptStackSource;
    022import org.apache.tapestry5.services.javascript.JavaScriptSupport;
    023
    024/**
    025 * Used to generate a list of asset URL paths for the JavaScript libraries
    026 * of a JavaScript stack. This encapsulates much of the logic of {@linkplain SymbolConstants#COMBINE_SCRIPTS script
    027 * aggregation}.
    028 *
    029 * @since 5.2.0
    030 * @see JavaScriptStack
    031 * @see JavaScriptStackSource
    032 * @see JavaScriptSupport
    033 */
    034public interface JavaScriptStackPathConstructor
    035{
    036    /**
    037     * Given a stack, by name, return a list of URL paths for the individual libraries in the stack.
    038     * If scripts are combined, this will be a single (combined) URL.
    039     *
    040     * @param stackName
    041     *            name of {@link JavaScriptStack}
    042     */
    043    List<String> constructPathsForJavaScriptStack(String stackName);
    044}