    001// Licensed under the Apache License, Version 2.0 (the "License");
    002// you may not use this file except in compliance with the License.
    003// You may obtain a copy of the License at
    004//
    005// http://www.apache.org/licenses/LICENSE-2.0
    006//
    007// Unless required by applicable law or agreed to in writing, software
    008// distributed under the License is distributed on an "AS IS" BASIS,
    009// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    010// See the License for the specific language governing permissions and
    011// limitations under the License.
    012
    013package org.apache.tapestry5.services.javascript;
    014
    015/**
    016 * Used with {@link org.apache.tapestry5.services.javascript.JavaScriptStack} to identify how libraries and modules
    017 * within the stack can be aggregated.
    018 *
    019 * @since 5.4
    020 */
    021public enum JavaScriptAggregationStrategy
    022{
    023    /**
    024     * The default strategy is to combine all the assets and minimize them together.
    025     */
    026    COMBINE_AND_MINIMIZE,
    027
    028    /**
    029     * Alternately, the assets can be combined, but not minimized (because some resources
    030     * do not support minimization).
    031     */
    032    COMBINE_ONLY,
    033
    034    /**
    035     * The assets are not combined or minimized at all.
    036     */
    037    DO_NOTHING;
    038
    039    public boolean enablesCombine() { return this != DO_NOTHING; }
    040
    041    public boolean enablesMinimize() { return this == COMBINE_AND_MINIMIZE; }
    042}