001 // Copyright 2005 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.tapestry.markup;
016
017 import java.io.PrintWriter;
018
019 import org.apache.tapestry.IMarkupWriter;
020 import org.apache.tapestry.util.ContentType;
021
022 /**
023 * Service interface for <code>tapestry.markup.MarkupWriterSource</code> service. A factory
024 * service that creates new instances of {@link org.apache.tapestry.IMarkupWriter}, configured for
025 * different content types;
026 *
027 * @author Howard M. Lewis Ship
028 * @since 4.0
029 */
030 public interface MarkupWriterSource
031 {
032 /**
033 * Creates and returns a new instance of {@link org.apache.tapestry.IMarkupWriter}. The content
034 * type is used to find the proper implemenation. Any additional content type data (after a ';')
035 * is ignored.
036 *
037 * @param writer
038 * The {@link PrintWriter} to which the markup writer should send output.
039 * @param contentType
040 * Used to locate the correct markup writer implementation (used to select a
041 * {@link MarkupFilter}.
042 * @return The configured markup writer instance.
043 */
044
045 public IMarkupWriter newMarkupWriter(PrintWriter writer, ContentType contentType);
046 }