2 * Copyright 2005-2011 the original author or authors.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
16 package org.wamblee.xmlrouter.config;
19 * The configuration provider must be imp0lemneted to provide a part of the
20 * configuration. The XML Router calls the configuration provider repeatedly to
21 * find out the current configuration.
23 * How the XML router obtains an instance of the configuration provider depends
24 * on how the \ XML router is deployed. In an OSGi type deployment, this could
25 * be for instance through an extender pattern whereby the XML router discovers
26 * configuration providers at runtime.
28 * @author Erik Brakkee
31 public interface ConfigurationProvider {
34 * Gets the current configuration to use. An implementation may cache the
35 * configuration objects an return it a second time or it may return a new
36 * configuration object each time.
38 * @return Configuration, may not be null.
40 Configuration getConfiguration();