/*
* Copyright (c) 2002-2012 Alibaba Group Holding Limited.
* All rights reserved.
*
* Licensed 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 com.alibaba.citrus.service.velocity.support;
import com.alibaba.citrus.service.template.Renderable;
import org.apache.velocity.app.event.ReferenceInsertionEventHandler;
/**
* 渲染<code>Renderable</code>的event handler。
*
* @author Michael Zhou
*/
public class RenderableHandler implements ReferenceInsertionEventHandler {
public Object referenceInsert(String reference, Object value) {
if (value instanceof Renderable) {
return ((Renderable) value).render();
}
return value;
}
}