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1   /*
2    * Copyright (C) 2010 Atlassian
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  
17  package com.atlassian.jira.rest.client.plugin;
18  
19  import com.atlassian.httpclient.api.HttpClient;
20  import com.atlassian.plugin.remotable.api.service.http.HostHttpClient;
21  import org.osgi.framework.Bundle;
22  import org.osgi.framework.ServiceFactory;
23  import org.osgi.framework.ServiceRegistration;
24  
25  import java.net.URI;
26  
27  import static com.atlassian.plugin.remotable.spi.util.OsgiServiceProxy.wrapService;
28  
29  abstract class AbstractRestClientServiceFactory<T> implements ServiceFactory
30  {
31      private static final URI BASE_URI = URI.create("/rest/api/latest");
32  
33      @Override
34      public final Object getService(Bundle bundle, ServiceRegistration registration)
35      {
36          return getService(BASE_URI, getHttpClient(bundle));
37      }
38  
39      /**
40       * No-op.
41       */
42      @Override
43      public final void ungetService(Bundle bundle, ServiceRegistration registration, Object service)
44      {
45      }
46  
47      protected abstract T getService(URI baseUri, HttpClient httpClient);
48  
49      protected final HttpClient getHttpClient(Bundle bundle)
50      {
51          return wrapService(bundle.getBundleContext(), HostHttpClient.class, getClass().getClassLoader());
52      }
53  }