001    // Copyright 2007, 2008 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.internal.structure;
016    
017    import org.apache.tapestry5.runtime.RenderCommand;
018    
019    /**
020     * A type of page element that has a body that can be added to. This is part of the constuction phase that is faciliated
021     * by the {@link org.apache.tapestry5.internal.services.PageLoader}.
022     */
023    public interface BodyPageElement
024    {
025        /**
026         * Used during the construction of the page. Adds a page element as part of the body of the component. The body of a
027         * component is defined as the portion of the container's template directly enclosed by component's start and end
028         * elements.
029         */
030        void addToBody(RenderCommand element);
031    }