/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* 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, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.ejb.plugins.cmp.jdbc.metadata;
import org.jboss.system.ServiceMBeanSupport;
import org.jboss.deployment.DeploymentException;
import org.jboss.metadata.XmlFileLoader;
import org.jboss.metadata.MetaData;
import org.w3c.dom.Element;
import java.net.URL;
import java.util.Iterator;
import java.util.Hashtable;
import java.util.Set;
import java.util.Collections;
/**
* @author <a href="mailto:alex@jboss.org">Alexey Loubyansky</a>
* @version <tt>$Revision: 81030 $</tt>
* @jmx:mbean name="jboss.jdbc:service=metadata"
* extends="org.jboss.system.ServiceMBean"
*/
public class MetaDataLibrary
extends ServiceMBeanSupport
implements MetaDataLibraryMBean
{
private final Hashtable typeMappings = new Hashtable();
/**
* @jmx.managed-operation
*/
public JDBCTypeMappingMetaData findTypeMappingMetaData(String name)
{
return (JDBCTypeMappingMetaData)typeMappings.get(name);
}
/**
* @jmx.managed-attribute
*/
public Set getTypeMappingNames()
{
return Collections.unmodifiableSet(typeMappings.keySet());
}
public void startService() throws Exception
{
ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
URL stdJDBCUrl = classLoader.getResource("standardjbosscmp-jdbc.xml");
if(stdJDBCUrl == null)
{
throw new DeploymentException("No standardjbosscmp-jdbc.xml found");
}
boolean debug = log.isDebugEnabled();
if(debug)
{
log.debug("Loading standardjbosscmp-jdbc.xml : " + stdJDBCUrl.toString());
}
Element stdJDBCElement = XmlFileLoader.getDocument(stdJDBCUrl, true).getDocumentElement();
Element typeMaps = MetaData.getOptionalChild(stdJDBCElement, "type-mappings");
if(typeMaps != null)
{
for(Iterator i = MetaData.getChildrenByTagName(typeMaps, "type-mapping"); i.hasNext();)
{
Element typeMappingElement = (Element)i.next();
JDBCTypeMappingMetaData typeMapping = new JDBCTypeMappingMetaData(typeMappingElement);
typeMappings.put(typeMapping.getName(), typeMapping);
log.debug("added type-mapping: " + typeMapping.getName());
}
}
}
public void stopService() throws Exception
{
typeMappings.clear();
}
}