/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.syncope.core.init;
import java.util.Locale;
import java.util.Set;
import org.apache.commons.lang.SerializationUtils;
import org.apache.syncope.common.types.ConnConfProperty;
import org.apache.syncope.core.persistence.beans.ConnInstance;
import org.apache.syncope.core.persistence.beans.ExternalResource;
import org.apache.syncope.core.persistence.dao.ConnectorRegistry;
import org.apache.syncope.core.persistence.dao.ResourceDAO;
import org.apache.syncope.core.propagation.Connector;
import org.apache.syncope.core.propagation.ConnectorFactory;
import org.apache.syncope.core.propagation.impl.ConnectorFacadeProxy;
import org.apache.syncope.core.rest.data.ResourceDataBinder;
import org.apache.syncope.core.util.ApplicationContextProvider;
import org.apache.syncope.core.util.ConnIdBundleManager;
import org.identityconnectors.common.l10n.CurrentLocale;
import org.identityconnectors.framework.api.ConnectorFacadeFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.transaction.annotation.Transactional;
/**
* Load ConnId connector instances.
*/
@Component
class ConnectorManager implements ConnectorRegistry, ConnectorFactory {
private static final Logger LOG = LoggerFactory.getLogger(ConnectorManager.class);
@Autowired
private ResourceDAO resourceDAO;
@Autowired
private ResourceDataBinder resourceDataBinder;
private String getBeanName(final ExternalResource resource) {
return String.format("connInstance-%d-%s", resource.getConnector().getId(), resource.getName());
}
@Override
public Connector getConnector(final ExternalResource resource) {
// Try to re-create connector bean from underlying resource (useful for managing failover scenarios)
if (!ApplicationContextProvider.getBeanFactory().containsBean(getBeanName(resource))) {
registerConnector(resource);
}
return (Connector) ApplicationContextProvider.getBeanFactory().getBean(getBeanName(resource));
}
@Override
public Connector createConnector(final ConnInstance connInstance, final Set<ConnConfProperty> configuration) {
final ConnInstance connInstanceClone = (ConnInstance) SerializationUtils.clone(connInstance);
connInstanceClone.setConfiguration(configuration);
Connector connector = new ConnectorFacadeProxy(connInstanceClone);
ApplicationContextProvider.getBeanFactory().autowireBean(connector);
return connector;
}
@Override
public void registerConnector(final ExternalResource resource) {
final ConnInstance connInstance = resourceDataBinder.getConnInstance(resource);
final Connector connector = createConnector(resource.getConnector(), connInstance.getConfiguration());
LOG.debug("Connector to be registered: {}", connector);
final String beanName = getBeanName(resource);
if (ApplicationContextProvider.getBeanFactory().containsSingleton(beanName)) {
unregisterConnector(beanName);
}
ApplicationContextProvider.getBeanFactory().registerSingleton(beanName, connector);
LOG.debug("Successfully registered bean {}", beanName);
}
@Override
public void unregisterConnector(final String id) {
ApplicationContextProvider.getBeanFactory().destroySingleton(id);
}
@Transactional(readOnly = true)
@Override
public void load() {
// This is needed in order to avoid encoding problems when sending error messages via REST
CurrentLocale.set(Locale.ENGLISH);
// Load all resource-specific connectors
int connectors = 0;
for (ExternalResource resource : resourceDAO.findAll()) {
LOG.info("Registering resource-connector pair {}-{}", resource, resource.getConnector());
try {
registerConnector(resource);
connectors++;
} catch (Exception e) {
LOG.error("While registering resource-connector pair {}-{}", resource, resource.getConnector(), e);
}
}
LOG.info("Done loading {} connectors", connectors);
}
@Transactional(readOnly = true)
@Override
public void unload() {
int connectors = 0;
for (ExternalResource resource : resourceDAO.findAll()) {
final String beanName = getBeanName(resource);
if (ApplicationContextProvider.getBeanFactory().containsSingleton(beanName)) {
LOG.info("Unegistering resource-connector pair {}-{}", resource, resource.getConnector());
unregisterConnector(beanName);
connectors++;
}
}
LOG.info("Done unloading {} connectors", connectors);
ConnectorFacadeFactory.getInstance().dispose();
ConnIdBundleManager.resetConnManagers();
LOG.info("All connector resources disposed");
}
}