01: /*
02: * $Id: TemplateEngine.java 471756 2006-11-06 15:01:43Z husted $
03: *
04: * Licensed to the Apache Software Foundation (ASF) under one
05: * or more contributor license agreements. See the NOTICE file
06: * distributed with this work for additional information
07: * regarding copyright ownership. The ASF licenses this file
08: * to you under the Apache License, Version 2.0 (the
09: * "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: package org.apache.struts2.components.template;
22:
23: import java.util.Map;
24:
25: /**
26: * Any template language which wants to support UI tag templating needs to provide an implementation of this interface
27: * to handle rendering the template
28: */
29: public interface TemplateEngine {
30:
31: /**
32: * Renders the template
33: * @param templateContext context for the given template.
34: * @throws Exception is thrown if there is a failure when rendering.
35: */
36: void renderTemplate(TemplateRenderingContext templateContext)
37: throws Exception;
38:
39: /**
40: * Get's the properties for the given template.
41: *
42: * @param template the template.
43: * @return the properties as key value pairs.
44: */
45: Map getThemeProps(Template template);
46:
47: }
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