001    // Copyright 2011 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.tapestry5.services;
016    
017    import org.apache.tapestry5.MarkupWriter;
018    import org.apache.tapestry5.ValidationDecorator;
019    
020    /**
021     * Creates an instance of {@link org.apache.tapestry5.ValidationDecorator} for a
022     * {@link org.apache.tapestry5.MarkupWriter}.    This service is overridden in applications
023     * that do not wish to use {@link org.apache.tapestry5.internal.DefaultValidationDecorator}.
024     *
025     * @since 5.3
026     */
027    public interface ValidationDecoratorFactory
028    {
029        /**
030         * Creates a new decorator for the indicated writer.
031         */
032        ValidationDecorator newInstance(MarkupWriter writer);
033    }