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1   /*
2    * Copyright (C) 2012 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  package com.atlassian.jira.rest.client.internal.async;
17  
18  import com.atlassian.jira.rest.client.api.ProjectRolesRestClient;
19  import com.atlassian.jira.rest.client.api.domain.BasicProjectRole;
20  import com.atlassian.jira.rest.client.api.domain.ProjectRole;
21  import com.atlassian.jira.rest.client.internal.json.BasicProjectRoleJsonParser;
22  import com.atlassian.jira.rest.client.internal.json.ProjectRoleJsonParser;
23  import com.atlassian.httpclient.api.HttpClient;
24  import com.atlassian.util.concurrent.Promise;
25  import com.atlassian.util.concurrent.Promises;
26  import com.google.common.base.Function;
27  import com.google.common.collect.Iterables;
28  
29  import javax.ws.rs.core.UriBuilder;
30  import java.net.URI;
31  import java.util.Collection;
32  
33  /**
34   * Asynchronous implementation of ProjectRolesRestClient.
35   *
36   * @since v2.0
37   */
38  public class AsynchronousProjectRolesRestClient extends AbstractAsynchronousRestClient implements ProjectRolesRestClient {
39  
40  	private final ProjectRoleJsonParser projectRoleJsonParser;
41  	private final BasicProjectRoleJsonParser basicRoleJsonParser;
42  
43  	public AsynchronousProjectRolesRestClient(final URI serverUri, final HttpClient client) {
44  		super(client);
45  		this.projectRoleJsonParser = new ProjectRoleJsonParser(serverUri);
46  		this.basicRoleJsonParser = new BasicProjectRoleJsonParser();
47  	}
48  
49  	@Override
50  	public Promise<ProjectRole> getRole(URI uri) {
51  		return getAndParse(uri, projectRoleJsonParser);
52  	}
53  
54  	@Override
55  	public Promise<ProjectRole> getRole(final URI projectUri, final Long roleId) {
56  		final URI roleUri = UriBuilder
57  				.fromUri(projectUri)
58  				.path("role")
59  				.path(String.valueOf(roleId))
60  				.build();
61  		return getAndParse(roleUri, projectRoleJsonParser);
62  	}
63  
64  	@Override
65  	public Promise<Iterable<ProjectRole>> getRoles(final URI projectUri) {
66  		final URI rolesUris = UriBuilder
67  				.fromUri(projectUri)
68  				.path("role")
69  				.build();
70  		final Promise<Collection<BasicProjectRole>> basicProjectRoles = getAndParse(rolesUris, basicRoleJsonParser);
71  
72  		return Promises.promise(Iterables.transform(basicProjectRoles.claim(), new Function<BasicProjectRole, ProjectRole>() {
73  			@Override
74  			public ProjectRole apply(final BasicProjectRole basicProjectRole) {
75  				return getRole(basicProjectRole.getSelf()).claim();
76  			}
77  		}));
78  	}
79  }