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.krad.data.provider;
17
18 import org.apache.log4j.Logger;
19 import org.kuali.rice.krad.data.KradDataServiceLocator;
20 import org.springframework.beans.factory.InitializingBean;
21
22 import java.util.ArrayList;
23 import java.util.Collections;
24 import java.util.List;
25
26 /**
27 * Provides a mechanism for registering Providers in the {@link ProviderRegistry} using Spring.
28 *
29 * @see Provider
30 * @see ProviderRegistry
31 *
32 * @author Kuali Rice Team (rice.collab@kuali.org)
33 */
34 public class ProviderRegistrar implements InitializingBean {
35
36 private static final Logger LOG = Logger.getLogger(ProviderRegistrar.class);
37
38 /**
39 * The provider registry.
40 */
41 protected ProviderRegistry providerRegistry;
42
43 /**
44 * The providers currently assigned to the registry.
45 */
46 protected List<Provider> providers = Collections.unmodifiableList(Collections.<Provider>emptyList());
47
48 /**
49 * {@inheritDoc}
50 */
51 @Override
52 public void afterPropertiesSet() throws Exception {
53 if ( getProviders() != null ) {
54 if ( getProviderRegistry() != null ) {
55 for ( Provider provider : getProviders() ) {
56 LOG.info( "Registering data module provider for "+ provider);
57 getProviderRegistry().registerProvider(provider);
58 }
59 } else {
60 LOG.error( "Provider registry not initialized.");
61 }
62 }
63 }
64
65 /**
66 * Sets the list of providers for this module.
67 *
68 * @param providers list of providers
69 */
70 public void setProviders(List<Provider> providers) {
71 this.providers = Collections.unmodifiableList(new ArrayList<Provider>(providers));
72 }
73
74 /**
75 * Gets the list of providers for this module.
76 *
77 * @return the list of providers for this module.
78 */
79 public List<Provider> getProviders() {
80 return providers;
81 }
82
83 /**
84 * Gets the provider registry.
85 *
86 * @return the provider registry.
87 */
88 public ProviderRegistry getProviderRegistry() {
89 if(this.providerRegistry == null){
90 return KradDataServiceLocator.getProviderRegistry();
91 }
92 return this.providerRegistry;
93 }
94
95 /**
96 * Setter for the provider registry.
97 *
98 * @param providerRegistry the provider registry to set.
99 */
100 public void setProviderRegistry(ProviderRegistry providerRegistry) {
101 this.providerRegistry = providerRegistry;
102 }
103
104 }