    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.assets;
    014
    015import org.apache.tapestry5.services.Response;
    016
    017import java.io.IOException;
    018
    019/**
    020 * Used to customize the response prior to streaming content to the client; typically this is used to
    021 * set special headers.
    022 *
    023 * @see org.apache.tapestry5.services.assets.StreamableResource#addResponseCustomizer(ResponseCustomizer)
    024 * @since 5.4
    025 */
    026public interface ResponseCustomizer
    027{
    028    /**
    029     * Invoked to customize the response; these are invoked in the order they are added to the
    030     * StreamableResource.
    031     */
    032    void customizeResponse(StreamableResource resource, Response response) throws IOException;
    033}