    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.corelib.base;
    014
    015import org.apache.tapestry5.annotations.Import;
    016import org.apache.tapestry5.annotations.Property;
    017import org.apache.tapestry5.http.services.Request;
    018import org.apache.tapestry5.internal.InternalConstants;
    019import org.apache.tapestry5.ioc.annotations.Inject;
    020
    021/**
    022 * Base page for Tapestry internal pages, that should suppress any application changes to the core stack's CSS.
    023 * CSS from the core stack is suppressed, instead the internal stack (which exists for just this purpose)
    024 * is imported.
    025 *
    026 * @since 5.4
    027 */
    028public abstract class AbstractInternalPage
    029{
    030    @Inject @Property(write = false)
    031    protected Request request;
    032
    033    void setupRender()
    034    {
    035        request.setAttribute(InternalConstants.SUPPRESS_CORE_STYLESHEETS, true);
    036    }
    037
    038    @Import(stack = "internal")
    039    void beginRender()
    040    {
    041
    042    }
    043}