/*
* JBoss, Home of Professional Open Source.
* Copyright 2010, Red Hat, Inc., 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.as.osgi.service;
import static org.jboss.as.osgi.OSGiConstants.SERVICE_BASE_NAME;
import static org.jboss.as.osgi.OSGiLogger.LOGGER;
import java.net.URL;
import org.jboss.msc.service.AbstractService;
import org.jboss.msc.service.ServiceBuilder;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceController.Mode;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.ServiceTarget;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.msc.value.InjectedValue;
import org.jboss.osgi.framework.Services;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.util.xml.XMLParserActivator;
/**
* An service that provides {@link javax.xml.parsers.SAXParserFactory} and {@link javax.xml.parsers.DocumentBuilderFactory}
* service to the OSGi system context
*
* @author thomas.diesler@jboss.com
* @since 31-Jan-2012
*/
final class JAXPServiceProvider extends AbstractService<Void> {
public static final ServiceName SERVICE_NAME = SERVICE_BASE_NAME.append("jaxp.provider");
private final InjectedValue<BundleContext> injectedSystemContext = new InjectedValue<BundleContext>();
private XMLParserActivator activator;
static ServiceController<?> addService(final ServiceTarget target) {
JAXPServiceProvider service = new JAXPServiceProvider();
ServiceBuilder<?> builder = target.addService(SERVICE_NAME, service);
builder.addDependency(Services.FRAMEWORK_CREATE, BundleContext.class, service.injectedSystemContext);
builder.setInitialMode(Mode.PASSIVE);
return builder.install();
}
private JAXPServiceProvider() {
}
@Override
public void start(StartContext context) throws StartException {
BundleContext syscontext = injectedSystemContext.getValue();
try {
final ClassLoader resloader = getClass().getClassLoader();
activator = new XMLParserActivator() {
@Override
protected URL getResourceURL(Bundle parserBundle, String resname) {
return resloader.getResource(resname);
}
};
activator.start(syscontext);
} catch (Exception e) {
throw new StartException(e);
}
}
@Override
public void stop(StopContext context) {
BundleContext syscontext = injectedSystemContext.getValue();
if (activator != null) {
try {
activator.stop(syscontext);
activator = null;
} catch (Exception e) {
LOGGER.warn(e);
}
}
}
@Override
public String toString() {
return JAXPServiceProvider.class.getSimpleName();
}
}