1 /**
2 * Copyright 2005-2014 The Kuali Foundation
3 *
4 * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
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 org.kuali.rice.core.api.resourceloader;
17
18 import org.kuali.rice.core.api.CoreConstants;
19 import org.kuali.rice.core.api.config.property.ConfigContext;
20 import org.kuali.rice.core.api.exception.RiceRuntimeException;
21 import org.kuali.rice.core.framework.config.property.SimpleConfig;
22 import org.kuali.rice.core.framework.resourceloader.BaseResourceLoader;
23
24 import javax.xml.namespace.QName;
25 import java.util.Map;
26 import java.util.concurrent.ConcurrentHashMap;
27
28 /**
29 * Utility class to allow the injection of services that are fetched via the
30 * {@link GlobalResourceLoader}.
31 *
32 * @author Kuali Rice Team (rice.collab@kuali.org)
33 */
34 public final class GlobalResourceLoaderTestUtils {
35
36 private static Map<String, Object> mockServiceMap;
37
38 private volatile boolean initialized = false;
39
40 // private constructor, instances are not allowed
41 private GlobalResourceLoaderTestUtils() {
42 throw new UnsupportedOperationException("Don't construct me, I'm all about the static methods.");
43 }
44
45 /**
46 * Inject a service into the {@link org.kuali.rice.core.api.resourceloader.GlobalResourceLoader} such that anytime
47 * that service is fetched by serviceName, the supplied mockService will be returned.
48 *
49 * @param serviceName the name that the service is known by in the GRL
50 * @param mockService the service to inject
51 */
52 public static void addMockService(final String serviceName, final Object mockService) {
53 getMockServiceMap().put(serviceName, mockService);
54 }
55
56 /**
57 * Getter for the mockServiceMap, which on first call constructs it and also initializes our hack of the GRL.
58 *
59 * @return the mockServiceMap
60 */
61 private static synchronized Map<String, Object> getMockServiceMap() {
62 // the first time this is called, inject our special resource loader
63 if (mockServiceMap == null) {
64 mockServiceMap = new ConcurrentHashMap<String, Object>();
65
66 // this little dance is required to prevent issues when
67
68 SimpleConfig config = new SimpleConfig();
69 config.putProperty(CoreConstants.Config.APPLICATION_ID, "TEST");
70 ConfigContext.init(config);
71
72 try {
73 GlobalResourceLoader.stop();
74 } catch (Exception e) {
75 throw new RiceRuntimeException(e);
76 }
77
78 // Add to the front of the line our hacked resource loader which will fetch services from the mockServiceMap
79 GlobalResourceLoader.addResourceLoaderFirst(new BaseResourceLoader(new QName("TEST", "TEST")) {
80 @Override
81 public Object getService(QName serviceQName) {
82
83 String localPart = serviceQName.getLocalPart();
84 return mockServiceMap.get(localPart);
85 }
86 });
87 }
88
89 return mockServiceMap;
90 }
91 }