/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.wicket.markup.transformer;
import org.apache.wicket.Component;
/**
* A common interface to be implemented by {@link org.apache.wicket.markup.transformer.AbstractOutputTransformerContainer}s
* and {@link org.apache.wicket.markup.transformer.AbstractTransformerBehavior}s which
* post-process the output markup of a component.
*
* @author Juergen Donnerstag
*/
@FunctionalInterface
public interface ITransformer
{
/**
* Will be invoked after all child components have been processed to allow for transforming the
* markup generated.
*
* @param component
* The associated Wicket component
* @param output
* The markup generated by the child components
* @return The output which will be appended to the original response
* @throws Exception
*/
CharSequence transform(final Component component, final CharSequence output) throws Exception;
}