1 /*
2 * $Id: AutotagRuntime.java 1349964 2012-06-13 17:18:51Z nlebas $
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 package org.apache.tiles.autotag.core.runtime;
22
23 /**
24 * Builder interface for creating requests.
25 * The implementations are expected to provide a default constructor,
26 * and to implement another interface that can be used to provide the
27 * parameters needed to build the actual request object.
28 */
29 public interface AutotagRuntime<R> {
30 /**
31 * Creates a new Request instance.
32 *
33 * @return The Request.
34 */
35 R createRequest();
36
37 /**
38 * Creates a new ModelBody instance to match the request.
39 *
40 * @return The ModelBody.
41 */
42 ModelBody createModelBody();
43
44 /**
45 * Extracts a parameter from the tag.
46 * @param name The name of the parameter.
47 * @param defaultValue The default value if none is specified.
48 * @return The value of the parameter.
49 */
50 <T> T getParameter(String name, Class<T> type, T defaultValue);
51 }