Java tutorial
/* * Copyright 2001-2009 The Apache Software Foundation. * * Licensed 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.juddi.rmi; import javax.naming.Context; import javax.naming.InitialContext; import javax.naming.NamingException; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; /** * @author Kurt Stam (kstam@apache.org) */ public class JNDIRegistration { public static final String JUDDI = "/juddiv3"; public static final String UDDI_SECURITY_SERVICE = JUDDI + "/UDDISecurityService"; public static final String UDDI_PUBLICATION_SERVICE = JUDDI + "/UDDIPublicationService"; public static final String UDDI_INQUIRY_SERVICE = JUDDI + "/UDDIInquiryService"; public static final String UDDI_SUBSCRIPTION_SERVICE = JUDDI + "/UDDISubscriptionService"; public static final String UDDI_SUBSCRIPTION_LISTENER_SERVICE = JUDDI + "/UDDISubscriptionListenerService"; public static final String UDDI_CUSTODY_TRANSFER_SERVICE = JUDDI + "/UDDICustodyTransferService"; public static final String JUDDI_PUBLISHER_SERVICE = JUDDI + "/JUDDIApiService"; public static final String OWL_S_INQUERY_SERVICE = JUDDI + "/OWL_SInquiryService"; public static final String OWL_S_Publication_SERVICE = JUDDI + "/OWL_SPublicationService"; private UDDISecurityService securityService = null; private UDDIPublicationService publicationService = null; private UDDIInquiryService inquiryService = null; private UDDISubscriptionService subscriptionService = null; private UDDISubscriptionListenerService subscriptionListenerService = null; private UDDICustodyTransferService custodyTransferService = null; private JUDDIApiService publisherService = null; private OWL_SInquiryService owl_SInquiryService = null; private OWL_SPublicationService owl_SPublicationService = null; private Log log = LogFactory.getLog(this.getClass()); InitialContext context = null; private static JNDIRegistration registration = null; public static JNDIRegistration getInstance() throws NamingException { if (registration == null) { registration = new JNDIRegistration(); } return registration; } private JNDIRegistration() throws NamingException { super(); context = new InitialContext(); } /** * Registers the Publish and Inquiry Services to JNDI and instantiates a * instance of each so we can remotely attach to it later. */ public void register(int port) { try { Context juddiContext = context.createSubcontext(JUDDI); securityService = new UDDISecurityService(port); if (log.isDebugEnabled()) log.debug("Setting " + UDDI_SECURITY_SERVICE + ", " + securityService.getClass()); juddiContext.bind(UDDI_SECURITY_SERVICE, securityService); publicationService = new UDDIPublicationService(port); if (log.isDebugEnabled()) log.debug("Setting " + UDDI_PUBLICATION_SERVICE + ", " + publicationService.getClass()); juddiContext.bind(UDDI_PUBLICATION_SERVICE, publicationService); inquiryService = new UDDIInquiryService(port); if (log.isDebugEnabled()) log.debug("Setting " + UDDI_INQUIRY_SERVICE + ", " + inquiryService.getClass()); juddiContext.bind(UDDI_INQUIRY_SERVICE, inquiryService); subscriptionService = new UDDISubscriptionService(port); if (log.isDebugEnabled()) log.debug("Setting " + UDDI_SUBSCRIPTION_SERVICE + ", " + subscriptionService.getClass()); juddiContext.bind(UDDI_SUBSCRIPTION_SERVICE, subscriptionService); subscriptionListenerService = new UDDISubscriptionListenerService(port); if (log.isDebugEnabled()) log.debug("Setting " + UDDI_SUBSCRIPTION_LISTENER_SERVICE + ", " + subscriptionListenerService.getClass()); juddiContext.bind(UDDI_SUBSCRIPTION_LISTENER_SERVICE, subscriptionListenerService); custodyTransferService = new UDDICustodyTransferService(port); if (log.isDebugEnabled()) log.debug("Setting " + UDDI_CUSTODY_TRANSFER_SERVICE + ", " + custodyTransferService.getClass()); juddiContext.bind(UDDI_CUSTODY_TRANSFER_SERVICE, custodyTransferService); owl_SInquiryService = new OWL_SInquiryService(port); if (log.isDebugEnabled()) { log.debug("Setting " + OWL_S_INQUERY_SERVICE + ", " + owl_SInquiryService.getClass()); } juddiContext.bind(OWL_S_INQUERY_SERVICE, owl_SInquiryService); owl_SPublicationService = new OWL_SPublicationService(port); if (log.isDebugEnabled()) { log.debug("Setting " + OWL_S_Publication_SERVICE + ", " + owl_SPublicationService.getClass()); } juddiContext.bind(OWL_S_Publication_SERVICE, owl_SInquiryService); publisherService = new JUDDIApiService(port); if (log.isDebugEnabled()) log.debug("Setting " + JUDDI_PUBLISHER_SERVICE + ", " + publisherService.getClass()); juddiContext.bind(JUDDI_PUBLISHER_SERVICE, publisherService); } catch (Exception e) { log.error(e.getMessage(), e); } } public void unregister() { try { context.unbind(UDDI_SECURITY_SERVICE); } catch (NamingException e) { log.error(e.getMessage(), e); } securityService = null; try { context.unbind(UDDI_PUBLICATION_SERVICE); } catch (NamingException e) { log.error(e.getMessage(), e); } publicationService = null; try { context.unbind(UDDI_INQUIRY_SERVICE); } catch (NamingException e) { log.error(e.getMessage(), e); } inquiryService = null; try { context.unbind(UDDI_SUBSCRIPTION_SERVICE); } catch (NamingException e) { log.error(e.getMessage(), e); } subscriptionService = null; try { context.unbind(UDDI_SUBSCRIPTION_LISTENER_SERVICE); } catch (NamingException e) { log.error(e.getMessage(), e); } subscriptionListenerService = null; try { context.unbind(UDDI_CUSTODY_TRANSFER_SERVICE); } catch (NamingException e) { log.error(e.getMessage(), e); } custodyTransferService = null; try { context.unbind(JUDDI_PUBLISHER_SERVICE); } catch (NamingException e) { log.error(e.getMessage(), e); } publisherService = null; try { context.unbind(OWL_S_INQUERY_SERVICE); } catch (NamingException e) { log.error(e.getMessage(), e); } owl_SInquiryService = null; try { context.unbind(OWL_S_Publication_SERVICE); } catch (NamingException e) { log.error(e.getMessage(), e); } owl_SPublicationService = null; try { context.unbind(JUDDI); } catch (NamingException e) { log.error(e.getMessage(), e); } } }