    001// Copyright 2008, 2010 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
    015package org.apache.tapestry5.internal.services;
    016
    017import org.apache.tapestry5.MarkupWriter;
    018import org.apache.tapestry5.dom.Document;
    019import org.apache.tapestry5.internal.structure.Page;
    020import org.apache.tapestry5.services.MarkupWriterFactory;
    021import org.apache.tapestry5.services.PageDocumentGenerator;
    022
    023public class PageDocumentGeneratorImpl implements PageDocumentGenerator
    024{
    025    private final RequestPageCache pageCache;
    026
    027    private final PageMarkupRenderer markupRenderer;
    028
    029    private final MarkupWriterFactory markupWriterFactory;
    030
    031    public PageDocumentGeneratorImpl(RequestPageCache pageCache, PageMarkupRenderer markupRenderer,
    032            MarkupWriterFactory markupWriterFactory)
    033    {
    034        this.markupRenderer = markupRenderer;
    035        this.markupWriterFactory = markupWriterFactory;
    036        this.pageCache = pageCache;
    037    }
    038
    039    public Document render(String logicalPageName)
    040    {
    041        Page page = pageCache.get(logicalPageName);
    042
    043        MarkupWriter writer = markupWriterFactory.newMarkupWriter(logicalPageName);
    044
    045        markupRenderer.renderPageMarkup(page, writer);
    046
    047        return writer.getDocument();
    048    }
    049}