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/*
* ============LICENSE_START==========================================
* ONAP Portal SDK
* ===================================================================
* Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* ===================================================================
*
* Unless otherwise specified, all software contained herein is licensed
* under the Apache License, Version 2.0 (the "License");
* you may not use this software 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.
*
* Unless otherwise specified, all documentation contained herein is licensed
* under the Creative Commons License, Attribution 4.0 Intl. (the "License");
* you may not use this documentation except in compliance with the License.
* You may obtain a copy of the License at
*
* https://creativecommons.org/licenses/by/4.0/
*
* Unless required by applicable law or agreed to in writing, documentation
* 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.
*
* ============LICENSE_END============================================
*
*
*/
package org.onap.portalsdk.core.service.support;
import java.util.Properties;
import javax.naming.Context;
import javax.naming.NamingException;
import javax.naming.directory.DirContext;
import javax.naming.directory.InitialDirContext;
import javax.naming.ldap.InitialLdapContext;
import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
import org.springframework.stereotype.Service;
/**
* This class implements the J2EE service locator pattern. It provides lookup
* facilities for various services. Currenttly LDAP (pre-v3) is supported
*/
@Service("serviceLocator")
public class ServiceLocatorImpl implements ServiceLocator {
private static final EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(ServiceLocatorImpl.class);
private Context context; // JNDI context (not currently in use)
private Context rootContext; // Java env root context (not currently in use)
private DirContext dirContext; // LDAP DIR context
private InitialLdapContext ldapContext; // LDAP context LDAPv3-style (not currently in use)
// cannot directly instantiate
public ServiceLocatorImpl() {
}
/*
* public static ServiceLocator getLocator() { if (locator == null) locator =
* new ServiceLocator(); return locator; }
*
* public Object clone() throws CloneNotSupportedException { throw new
* CloneNotSupportedException(); }
*/
// Get an LDAP directory context
public DirContext getDirContext(String initialContextFactory, String providerUrl, String securityPrincipal) {
if (dirContext == null) {
Properties properties = new Properties();
properties.put(Context.INITIAL_CONTEXT_FACTORY, initialContextFactory);
properties.put(Context.PROVIDER_URL, providerUrl);
properties.put(Context.SECURITY_PRINCIPAL, securityPrincipal);
try {
dirContext = new InitialDirContext(properties);
} catch (NamingException ne) {
logger.error(EELFLoggerDelegate.errorLogger,
"An error has occurred while creating an Initial Directory Context: " + ne.getMessage());
logger.error(EELFLoggerDelegate.errorLogger, "Explanation: " + ne.getExplanation());
}
}
return dirContext;
}
}
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