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1   /*
2    * Copyright 2012-2013 smartics, Kronseder & Reiner GmbH
3    *
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
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
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.
15   */
16  package de.smartics.properties.resource.repository;
17  
18  import de.smartics.properties.resource.domain.ArtifactId;
19  import de.smartics.properties.resource.domain.ClassPathEnvironment;
20  import de.smartics.util.annotations.marker.ServiceInterface;
21  
22  /**
23   * Interface to a repository that provides properties resources. These resources
24   * include property descriptors and property definitions.
25   * <p>
26   * A repository may be some local file directory or it may provide access to a
27   * remote artifact repository.
28   * </p>
29   * <p>
30   * Implementors of this interface may consider to also support
31   * {@link de.smartics.properties.resource.heap.ResourceHeap}.
32   * </p>
33   */
34  @ServiceInterface
35  public interface ResourceRepository
36  {
37    // ********************************* Fields *********************************
38  
39    // --- constants ------------------------------------------------------------
40  
41    // ****************************** Initializer *******************************
42  
43    // ****************************** Inner Classes *****************************
44  
45    // ********************************* Methods ********************************
46  
47    // --- get&set --------------------------------------------------------------
48  
49    // --- business -------------------------------------------------------------
50  
51    /**
52     * Resolves the properties resources from the given artifact.
53     *
54     * @param artifactId the identifier of the artifact containing properties
55     *          resources.
56     * @return the properties resources.
57     * @throws RepositoryException on any problem accessing the repository.
58     */
59    ClassPathEnvironment resolve(ArtifactId artifactId)
60      throws RepositoryException;
61  
62    /**
63     * Returns the URL to the remote repository.
64     *
65     * @return the URL to the remote repository.
66     */
67    String getRemoteRepositoryUrl();
68  
69    // --- object basics --------------------------------------------------------
70  
71  }