001
014
015 package com.liferay.portal.security.membershippolicy;
016
017 import com.liferay.portal.kernel.exception.PortalException;
018 import com.liferay.portal.kernel.log.Log;
019 import com.liferay.portal.kernel.log.LogFactoryUtil;
020 import com.liferay.portal.util.PropsValues;
021 import com.liferay.registry.Registry;
022 import com.liferay.registry.RegistryUtil;
023 import com.liferay.registry.ServiceReference;
024 import com.liferay.registry.ServiceTracker;
025 import com.liferay.registry.ServiceTrackerCustomizer;
026
027
033 public class RoleMembershipPolicyFactoryImpl
034 implements RoleMembershipPolicyFactory {
035
036 @Override
037 public RoleMembershipPolicy getRoleMembershipPolicy() {
038 return _instance._serviceTracker.getService();
039 }
040
041 private RoleMembershipPolicyFactoryImpl() {
042 Registry registry = RegistryUtil.getRegistry();
043
044 _serviceTracker = registry.trackServices(
045 RoleMembershipPolicy.class,
046 new RoleMembershipPolicyTrackerCustomizer());
047
048 _serviceTracker.open();
049 }
050
051 private static final Log _log = LogFactoryUtil.getLog(
052 RoleMembershipPolicyFactoryImpl.class);
053
054 private static final RoleMembershipPolicyFactoryImpl _instance =
055 new RoleMembershipPolicyFactoryImpl();
056
057 private final ServiceTracker<?, RoleMembershipPolicy> _serviceTracker;
058
059 private class RoleMembershipPolicyTrackerCustomizer
060 implements
061 ServiceTrackerCustomizer
062 <RoleMembershipPolicy, RoleMembershipPolicy> {
063
064 @Override
065 public RoleMembershipPolicy addingService(
066 ServiceReference<RoleMembershipPolicy> serviceReference) {
067
068 Registry registry = RegistryUtil.getRegistry();
069
070 RoleMembershipPolicy roleMembershipPolicy = registry.getService(
071 serviceReference);
072
073 if (PropsValues.MEMBERSHIP_POLICY_AUTO_VERIFY) {
074 try {
075 roleMembershipPolicy.verifyPolicy();
076 }
077 catch (PortalException pe) {
078 _log.error(pe, pe);
079 }
080 }
081
082 return roleMembershipPolicy;
083 }
084
085 @Override
086 public void modifiedService(
087 ServiceReference<RoleMembershipPolicy> serviceReference,
088 RoleMembershipPolicy roleMembershipPolicy) {
089 }
090
091 @Override
092 public void removedService(
093 ServiceReference<RoleMembershipPolicy> serviceReference,
094 RoleMembershipPolicy roleMembershipPolicy) {
095
096 Registry registry = RegistryUtil.getRegistry();
097
098 registry.ungetService(serviceReference);
099 }
100
101 }
102
103 }