    001    // Copyright 2011 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
    015    package org.apache.tapestry5.services.assets;
    016
    017    import org.apache.tapestry5.ioc.Resource;
    018    import org.apache.tapestry5.services.javascript.JavaScriptStack;
    019
    020    /**
    021     * Defines additional features desired when accessing the content of a {@link Resource} as
    022     * a {@link StreamableResource}.
    023     *
    024     * @see StreamableResourceSource
    025     * @since 5.3
    026     */
    027    public enum StreamableResourceProcessing
    028    {
    029        /**
    030         * The default behavior when the client supports compression, and an individual (non-aggregated) resources
    031         * is being accessed. The resource may be minimized and both the compressed and uncompressed versions may be cached.
    032         */
    033        COMPRESSION_ENABLED,
    034
    035        /**
    036         * As with {@link #COMPRESSION_ENABLED}, but the final compression stage (and compression cache) is skipped. This is
    037         * appropriate
    038         * for individual resources where the client does not support compression.
    039         */
    040        COMPRESSION_DISABLED,
    041
    042        /**
    043         * Turns off all caching and minification of the resource, which is appropriate when the individual resource will be
    044         * aggregated with other resources to form a virtual composite.
    045         *
    046         * @see JavaScriptStack
    047         */
    048        FOR_AGGREGATION
    049    }