blob: ea88b99b220ce5933fad94ba64e0a2b16ccfec5a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.spi.loader;
import javax.xml.namespace.QName;
import org.apache.tuscany.spi.model.Implementation;
import org.apache.tuscany.spi.model.ModelObject;
/**
* Registry for XML loaders that can parse a StAX input stream and return model objects.
* <p/>
* Loaders will typically be contributed to the system by any extension that needs to handle extension specific
* information contained in some XML configuration file. The loader can be contributed as a system component with an
* autowire reference to this builderRegistry which is used during initialization to actually register. </p> This
* builderRegistry can also be used to parse an input stream, dispatching to the appropriate loader for each element
* accepted. Loaders can call back to the builderRegistry to load sub-elements that they are not able to handle
* directly.
*
* @version $Rev$ $Date$
*/
public interface LoaderRegistry extends Loader {
/**
* Register a loader. This operation will typically be called by a loader during its initialization.
*
* @param element the element that should be delegated to the contibuted loader
* @param loader a loader that is being contributed to the system
*/
<T extends ModelObject> void registerLoader(QName element, StAXElementLoader<T> loader);
/**
* Unregister a loader. This will typically be called by a loader as it is being destroyed.
*
* @param element the element that was being delegated to the contibuted loader
* @param loader a loader that should no longer be used
*/
<T extends ModelObject> void unregisterLoader(QName element, StAXElementLoader<T> loader);
/**
* Regsiter a component type loader.
*
* @param key a type of implementation this loader can load component types for
* @param loader the loader that is being contributed to the system
*/
<I extends Implementation<?>> void registerLoader(Class<I> key, ComponentTypeLoader<I> loader);
/**
* Unregister a component type loader form the system.
*
* @param key a type of implementation whose loader should be unregistered
*/
<I extends Implementation<?>> void unregisterLoader(Class<I> key);
}
|
