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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  
21  /**
22   * Interface to a repository that provides properties resources. These resources
23   * include property descriptors and property definitions.
24   * <p>
25   * A repository may be some local file directory or it may provide access to a
26   * remote artifact repository.
27   * </p>
28   * <p>
29   * Implementors of this interface may consider to also support
30   * {@link de.smartics.properties.resource.heap.ResourceHeap}.
31   * </p>
32   */
33  public interface ResourceRepository
34  {
35    // ********************************* Fields *********************************
36  
37    // --- constants ------------------------------------------------------------
38  
39    // ****************************** Initializer *******************************
40  
41    // ****************************** Inner Classes *****************************
42  
43    // ********************************* Methods ********************************
44  
45    // --- get&set --------------------------------------------------------------
46  
47    // --- business -------------------------------------------------------------
48  
49    /**
50     * Resolves the properties resources from the given artifact.
51     *
52     * @param artifactId the identifier of the artifact containing properties
53     *          resources.
54     * @return the properties resources.
55     * @throws RepositoryException on any problem accessing the repository.
56     */
57    ClassPathEnvironment resolve(ArtifactId artifactId)
58      throws RepositoryException;
59  
60    /**
61     * Returns the URL to the remote repository.
62     *
63     * @return the URL to the remote repository.
64     */
65    String getRemoteRepositoryUrl();
66  
67    // --- object basics --------------------------------------------------------
68  
69  }