Java tutorial
/* * eID Digital Signature Service Project. * Copyright (C) 2010-2011 FedICT. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License version * 3.0 as published by the Free Software Foundation. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, see * http://www.gnu.org/licenses/. */ package be.fedict.eid.dss.model.mbean; import java.security.Provider; import java.security.Security; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.bouncycastle.jce.provider.BouncyCastleProvider; import org.jboss.ejb3.annotation.Service; import be.fedict.eid.applet.service.signer.ooxml.OOXMLProvider; /** * MBean to manage some runtime aspects like registering security providers. * * @author Frank Cornelis * */ @Service public class DigitalSignatureServiceMBean implements DigitalSignatureServiceMBeanLocal { private static final Log LOG = LogFactory.getLog(DigitalSignatureServiceMBean.class); private Provider managedBouncyCastleProvider; private Provider managedOOXMLProvider; public void create() throws Exception { LOG.debug("create"); } public void start() throws Exception { LOG.debug("start"); registerBouncyCastle(); registerOOXMLProvider(); } private void registerOOXMLProvider() { Provider provider = Security.getProvider(OOXMLProvider.NAME); if (null != provider) { LOG.debug("we don't register OOXMLProvider"); return; } this.managedOOXMLProvider = new OOXMLProvider(); LOG.debug("we register OOXMLProvider"); if (-1 == Security.addProvider(this.managedOOXMLProvider)) { LOG.fatal("could not register OOXMLProvider"); } } private void registerBouncyCastle() { Provider provider = Security.getProvider(BouncyCastleProvider.PROVIDER_NAME); if (null != provider) { LOG.debug("we don't register BouncyCastle"); return; } this.managedBouncyCastleProvider = new BouncyCastleProvider(); LOG.debug("we register BouncyCastle"); if (-1 == Security.addProvider(this.managedBouncyCastleProvider)) { LOG.fatal("could not register BouncyCastle"); } } public void stop() { LOG.debug("stop"); unregisterBouncyCastle(); unregisterOOXMLProvider(); } private void unregisterOOXMLProvider() { if (null == this.managedOOXMLProvider) { LOG.debug("we don't unregister OOXMLProvider"); return; } LOG.debug("we unregister OOXMLProvider"); Security.removeProvider(OOXMLProvider.NAME); } private void unregisterBouncyCastle() { if (null == this.managedBouncyCastleProvider) { LOG.debug("we don't unregister BouncyCastle"); return; } LOG.debug("we unregister BouncyCastle"); Security.removeProvider(BouncyCastleProvider.PROVIDER_NAME); } public void destroy() { LOG.debug("destroy"); } }