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Java > Open Source Codes > org > apache > roller > ui > rendering > RendererFactory


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. The ASF licenses this file to You
4  * under the Apache License, Version 2.0 (the "License"); you may not
5  * use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License. For additional information regarding
15  * copyright in this work, please see the NOTICE file in the top level
16  * directory of this distribution.
17  */

18
19 package org.apache.roller.ui.rendering;
20
21 import org.apache.roller.pojos.Template;
22
23
24 /**
25  * A factory for Renderer objects.
26  *
27  * Implementations of this interface are used to handle the actual lookup of
28  * what Renderer object should be used to render a given resource.
29  */

30 public interface RendererFactory {
31     
32     
33     /**
34      * Get a Renderer that will handle the given Template.
35      * If a RendererFactory does not have a Renderer which can handle the
36      * content then it may return null.
37      *
38      * This method purposely does not throw exceptions because the rendering
39      * system as a whole does not care if a given factory generates an exception
40      * while trying to find a renderer. It is up to the factory itself to
41      * report any relevant exceptions itself.
42      */

43     public Renderer getRenderer(Template template);
44     
45 }
46
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