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.kernel.security.membershippolicy.RoleMembershipPolicy;
021 import com.liferay.portal.kernel.security.membershippolicy.RoleMembershipPolicyFactory;
022 import com.liferay.portal.util.PropsValues;
023 import com.liferay.registry.Registry;
024 import com.liferay.registry.RegistryUtil;
025 import com.liferay.registry.ServiceReference;
026 import com.liferay.registry.ServiceTracker;
027 import com.liferay.registry.ServiceTrackerCustomizer;
028
029
035 public class RoleMembershipPolicyFactoryImpl
036 implements RoleMembershipPolicyFactory {
037
038 @Override
039 public RoleMembershipPolicy getRoleMembershipPolicy() {
040 return _instance._serviceTracker.getService();
041 }
042
043 private RoleMembershipPolicyFactoryImpl() {
044 Registry registry = RegistryUtil.getRegistry();
045
046 _serviceTracker = registry.trackServices(
047 RoleMembershipPolicy.class,
048 new RoleMembershipPolicyTrackerCustomizer());
049
050 _serviceTracker.open();
051 }
052
053 private static final Log _log = LogFactoryUtil.getLog(
054 RoleMembershipPolicyFactoryImpl.class);
055
056 private static final RoleMembershipPolicyFactoryImpl _instance =
057 new RoleMembershipPolicyFactoryImpl();
058
059 private final ServiceTracker<?, RoleMembershipPolicy> _serviceTracker;
060
061 private static class RoleMembershipPolicyTrackerCustomizer
062 implements
063 ServiceTrackerCustomizer
064 <RoleMembershipPolicy, RoleMembershipPolicy> {
065
066 @Override
067 public RoleMembershipPolicy addingService(
068 ServiceReference<RoleMembershipPolicy> serviceReference) {
069
070 Registry registry = RegistryUtil.getRegistry();
071
072 RoleMembershipPolicy roleMembershipPolicy = registry.getService(
073 serviceReference);
074
075 if (PropsValues.MEMBERSHIP_POLICY_AUTO_VERIFY) {
076 try {
077 roleMembershipPolicy.verifyPolicy();
078 }
079 catch (PortalException pe) {
080 _log.error(pe, pe);
081 }
082 }
083
084 return roleMembershipPolicy;
085 }
086
087 @Override
088 public void modifiedService(
089 ServiceReference<RoleMembershipPolicy> serviceReference,
090 RoleMembershipPolicy roleMembershipPolicy) {
091 }
092
093 @Override
094 public void removedService(
095 ServiceReference<RoleMembershipPolicy> serviceReference,
096 RoleMembershipPolicy roleMembershipPolicy) {
097
098 Registry registry = RegistryUtil.getRegistry();
099
100 registry.ungetService(serviceReference);
101 }
102
103 }
104
105 }