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1   /*******************************************************************************
2    * Copyright (c) 2007, 2014 Massimiliano Ziccardi
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 it.jnrpe.plugins;
17  
18  import java.util.Collection;
19  
20  /**
21   * The interface that all the plugin repository classes must implement.
22   * 
23   * @author Massimiliano Ziccardi
24   */
25  public interface IPluginRepository {
26  
27  	/**
28  	 * Returns an instance of the plugin declared inside the plugin definition.
29  	 * identified by the passed name.
30  	 * 
31  	 * @param name
32  	 *            The name of the plugin to be instantiated.
33  	 * @return The plugin instance
34  	 * @throws UnknownPluginException
35  	 *             if no plugins with the given name exists
36  	 */
37  	IPluginInterface getPlugin(final String name) throws UnknownPluginException;
38  
39  	/**
40  	 * Returns all the plugin definitions managed by this repository.
41  	 * 
42  	 * @return The collection of plugin definitions.
43  	 */
44  	Collection<PluginDefinition> getAllPlugins();
45  
46  	/**
47  	 * Adds a plugin definition to this repository.
48  	 * 
49  	 * @param pluginDef
50  	 *            The plugin definition to be added.
51  	 */
52  	void addPluginDefinition(final PluginDefinition pluginDef);
53  
54  	/**
55  	 * Removes a plugin definition from the repository.
56  	 * 
57  	 * @param pluginDef
58  	 *            The plugin to be removed
59  	 */
60  	void removePluginDefinition(final PluginDefinition pluginDef);
61  }