Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
BindingFactory |
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| 1.0;1 |
1 | // Copyright 2004, 2005 The Apache Software Foundation | |
2 | // | |
3 | // Licensed under the Apache License, Version 2.0 (the "License"); | |
4 | // you may not use this file except in compliance with the License. | |
5 | // You may obtain a copy of the License at | |
6 | // | |
7 | // http://www.apache.org/licenses/LICENSE-2.0 | |
8 | // | |
9 | // Unless required by applicable law or agreed to in writing, software | |
10 | // distributed under the License is distributed on an "AS IS" BASIS, | |
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 | // See the License for the specific language governing permissions and | |
13 | // limitations under the License. | |
14 | ||
15 | package org.apache.tapestry.binding; | |
16 | ||
17 | import org.apache.hivemind.Location; | |
18 | import org.apache.tapestry.IBinding; | |
19 | import org.apache.tapestry.IComponent; | |
20 | ||
21 | /** | |
22 | * Creates a new instance of {@link org.apache.tapestry.IBinding}. | |
23 | * | |
24 | * @author Howard Lewis Ship | |
25 | * @since 4.0 | |
26 | */ | |
27 | public interface BindingFactory | |
28 | { | |
29 | /** | |
30 | * Creates a new binding instance. | |
31 | * | |
32 | * @param root | |
33 | * the component that is the source of properties or messages (or etc.). When the | |
34 | * path is "evaluated", the root component provides a context. | |
35 | * @param bindingDescription | |
36 | * The {@link IBinding#getDescription() description} of the binding. | |
37 | * @param expression | |
38 | * The expression used to get (or update) a value. The interpretation of this | |
39 | * expression is determined by the type of {@link IBinding} created by this factory. | |
40 | * In some cases, it is simple the name of an object contained by the root component. | |
41 | * For the common "ognl:" binding prefix, it is an OGNL expression to be evaluated on | |
42 | * the root object. | |
43 | * @param location | |
44 | * The location of the binding, used to report any errors related to the binding, or | |
45 | * to the component parameter the binding is bound to. | |
46 | * | |
47 | * @return A {@link IBinding} instance for the specific expression given. | |
48 | */ | |
49 | IBinding createBinding(IComponent root, String bindingDescription, String expression, | |
50 | Location location); | |
51 | } |