/*
 * 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 freemarker.template;

import java.io.IOException;
import java.io.Writer;

Represents the nested content of a directive (TemplateDirectiveModel) invocation. An implementation of this class is passed to TemplateDirectiveModel.execute(Environment, Map, TemplateModel[], TemplateDirectiveBody). The implementation of the method is free to invoke it for any number of times, with any writer. 
Since:
2.3.11/**
 * Represents the nested content of a directive ({@link TemplateDirectiveModel}) invocation. An implementation of this 
 * class is passed to {@link TemplateDirectiveModel#execute(freemarker.core.Environment, 
 * java.util.Map, TemplateModel[], TemplateDirectiveBody)}. The implementation of the method is 
 * free to invoke it for any number of times, with any writer.
 *
 * @since 2.3.11
 */
public interface TemplateDirectiveBody {
    
Renders the body of the directive body to the specified writer. The 
writer is not flushed after the rendering. If you pass the environment's
writer, there is no need to flush it. If you supply your own writer, you
are responsible to flush/close it when you're done with using it (which
might be after multiple renderings).
Params:
out – the writer to write the output to./**
     * Renders the body of the directive body to the specified writer. The 
     * writer is not flushed after the rendering. If you pass the environment's
     * writer, there is no need to flush it. If you supply your own writer, you
     * are responsible to flush/close it when you're done with using it (which
     * might be after multiple renderings).
     * @param out the writer to write the output to.
     */
    public void render(Writer out) throws TemplateException, IOException;
}