    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.services.Response;
    018
    019    /**
    020     * Indicates how the content inside a {@link StreamableResource} is (potentially) compressed.
    021     *
    022     * @since 5.3
    023     */
    024    public enum CompressionStatus
    025    {
    026        /**
    027         * The content may be compressed but has not yet been compressed. This is true for most text-oriented content types,
    028         * but not found most image content types.
    029         */
    030        COMPRESSABLE,
    031
    032        /**
    033         * The content has been compressed, which must be reflected in the {@link Response}'s content encoding.
    034         */
    035        COMPRESSED,
    036
    037        /**
    038         * The content is not compressable. This is usually the case for image content types, where the native format
    039         * of the content already includes compression.
    040         */
    041        NOT_COMPRESSABLE;
    042    }