/*

  * $Id: JspModelBody.java 1305546 2012-03-26 20:34:37Z nlebas $

  *

  * 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.tiles.request.jsp.autotag;

 import java.io.IOException;

 import java.io.Writer;

 import javax.servlet.jsp.JspContext;

 import javax.servlet.jsp.JspException;

 import javax.servlet.jsp.tagext.JspFragment;

 import org.apache.tiles.autotag.core.runtime.AbstractModelBody;

 /**

  * The body abstraction in a JSP tag.

  *

  * @version $Rev: 1305546 $ $Date: 2012-03-27 07:34:37 +1100 (Tue, 27 Mar 2012) $

  */

 public class JspModelBody extends AbstractModelBody {

     /**

      * The real body.

      */

     private JspFragment jspFragment;

     /**

      * Constructor.

      *

      * @param jspFragment The real body.

      * @param jspContext The page context.

      */

     public JspModelBody(JspFragment jspFragment, JspContext jspContext) {

         super(jspContext.getOut());

         this.jspFragment = jspFragment;

     }

     @Override

     public void evaluate(Writer writer) throws IOException {

         if (jspFragment == null) {

             return;

         }

         try {

             jspFragment.invoke(writer);

         } catch (JspException e) {

             throw new IOException("JspException when evaluating the body", e);

         }

     }

 }