001
014
015 package com.liferay.portlet.dynamicdatamapping.storage;
016
017 import com.liferay.registry.Filter;
018 import com.liferay.registry.Registry;
019 import com.liferay.registry.RegistryUtil;
020 import com.liferay.registry.ServiceReference;
021 import com.liferay.registry.ServiceTracker;
022 import com.liferay.registry.ServiceTrackerCustomizer;
023
024 import java.util.List;
025 import java.util.Map;
026 import java.util.Set;
027 import java.util.concurrent.ConcurrentHashMap;
028
029
032 public class StorageAdapterRegistryImpl implements StorageAdapterRegistry {
033
034 public StorageAdapterRegistryImpl() {
035 Registry registry = RegistryUtil.getRegistry();
036
037 Class<?> clazz = getClass();
038
039 Filter filter = registry.getFilter(
040 "(&(objectClass=" + StorageAdapter.class.getName() +
041 ")(!(objectClass=" + clazz.getName() + ")))");
042
043 _serviceTracker = registry.trackServices(
044 filter, new StorageAdapterServiceTrackerCustomizer());
045
046 _serviceTracker.open();
047 }
048
049 @Override
050 public StorageAdapter getDefaultStorageAdapter() {
051 return _storageAdaptersMap.get(_defaultStorageType);
052 }
053
054 @Override
055 public StorageAdapter getStorageAdapter(String storageType) {
056 return _storageAdaptersMap.get(storageType);
057 }
058
059 @Override
060 public Set<String> getStorageTypes() {
061 return _storageAdaptersMap.keySet();
062 }
063
064 public void setDefaultStorageType(String storageType) {
065 _defaultStorageType = storageType;
066 }
067
068 public void setStorageAdapters(List<StorageAdapter> storageAdapters) {
069 Registry registry = RegistryUtil.getRegistry();
070
071 for (StorageAdapter storageAdapter : storageAdapters) {
072 registry.registerService(StorageAdapter.class, storageAdapter);
073 }
074 }
075
076 private String _defaultStorageType;
077 private final ServiceTracker<StorageAdapter, StorageAdapter>
078 _serviceTracker;
079 private final Map<String, StorageAdapter> _storageAdaptersMap =
080 new ConcurrentHashMap<String, StorageAdapter>();
081
082 private class StorageAdapterServiceTrackerCustomizer
083 implements ServiceTrackerCustomizer<StorageAdapter, StorageAdapter> {
084
085 @Override
086 public StorageAdapter addingService(
087 ServiceReference<StorageAdapter> serviceReference) {
088
089 Registry registry = RegistryUtil.getRegistry();
090
091 StorageAdapter storageAdapter = registry.getService(
092 serviceReference);
093
094 _storageAdaptersMap.put(
095 storageAdapter.getStorageType(), storageAdapter);
096
097 return storageAdapter;
098 }
099
100 @Override
101 public void modifiedService(
102 ServiceReference<StorageAdapter> serviceReference,
103 StorageAdapter storageAdapter) {
104 }
105
106 @Override
107 public void removedService(
108 ServiceReference<StorageAdapter> serviceReference,
109 StorageAdapter storageAdapter) {
110
111 Registry registry = RegistryUtil.getRegistry();
112
113 registry.ungetService(serviceReference);
114 }
115
116 }
117
118 }