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1   package org.apache.velocity.runtime;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import org.apache.velocity.context.InternalContextAdapter;
23  import org.apache.velocity.exception.MethodInvocationException;
24  import org.apache.velocity.exception.ParseErrorException;
25  import org.apache.velocity.exception.ResourceNotFoundException;
26  
27  import java.io.Writer;
28  import java.io.IOException;
29  
30  /**
31   *  This interface caraterize objects other than ASTNodes that can be rendered
32   *  to a writer using a context.
33   *
34   * @author <a href="mailto:claude.brisson@gmail.com">Claude Brisson</a>
35   * @version $Id:$
36   * @since 1.6
37   */
38  
39  public interface Renderable {
40  
41      public boolean render( InternalContextAdapter context, Writer writer)
42          throws IOException, MethodInvocationException, ParseErrorException, ResourceNotFoundException;
43  
44  }