001/* 
002 * (C) Copyright 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     bstefanescu
018 *
019 * $Id$
020 */
021
022package org.nuxeo.ecm.platform.rendering.wiki.extensions;
023
024import java.io.IOException;
025import java.io.Writer;
026
027import org.nuxeo.ecm.platform.rendering.fm.extensions.BlockWriter;
028import org.nuxeo.ecm.platform.rendering.wiki.WikiSerializerHandler;
029import org.nuxeo.ecm.platform.rendering.wiki.WikiWriter;
030
031/**
032 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
033 */
034public class WikiBlockWriter extends WikiWriter {
035
036    protected final String blockName;
037
038    public WikiBlockWriter(WikiWriter parent, String blockName) {
039        super(parent);
040        this.blockName = blockName;
041    }
042
043    @Override
044    public void writeTo(WikiSerializerHandler handler, Writer writer) throws IOException {
045        if (writer instanceof BlockWriter) {
046            BlockWriter parentWriter = (BlockWriter) writer;
047            BlockWriter bw = new BlockWriter("__dynamic__wiki", blockName, parentWriter.getRegistry());
048            boolean parentSuppressOutput = parentWriter.getSuppressOutput();
049            try {
050                parentWriter.setSuppressOutput(true);
051                super.writeTo(handler, bw);
052                parentWriter.writeBlock(bw);
053            } finally {
054                parentWriter.setSuppressOutput(parentSuppressOutput);
055            }
056        } else {
057            throw new IllegalArgumentException("Unsupported target writer");
058        }
059    }
060
061}