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package org.glassfish.weld.jsf;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletContext;
import com.sun.enterprise.deployment.WebBundleDescriptor;
import com.sun.enterprise.web.WebModule;
import com.sun.faces.spi.FacesConfigResourceProvider;
import com.sun.logging.LogDomains;
import java.net.URI;
import org.glassfish.api.invocation.ComponentInvocation;
import org.glassfish.api.invocation.InvocationManager;
import org.glassfish.cdi.CDILoggerInfo;
import org.glassfish.weld.WeldApplicationContainer;
import org.glassfish.weld.WeldDeployer;
import org.glassfish.hk2.api.ServiceLocator;
/**
* This provider returns the Web Beans faces-config.xml to the JSF runtime.
* It will only return the configuraion file for Web Beans deployments.
*/
public class WeldFacesConfigProvider implements FacesConfigResourceProvider {
private static final String HABITAT_ATTRIBUTE =
"org.glassfish.servlet.habitat";
private InvocationManager invokeMgr;
private Logger logger = Logger.getLogger(WeldFacesConfigProvider.class.getName());
private static final String SERVICES_FACES_CONFIG = "META-INF/services/faces-config.xml";
public Collection<URI> getResources(ServletContext context) {
ServiceLocator defaultServices = (ServiceLocator)context.getAttribute(
HABITAT_ATTRIBUTE);
invokeMgr = defaultServices.getService(InvocationManager.class);
ComponentInvocation inv = invokeMgr.getCurrentInvocation();
WebModule webModule = (WebModule)inv.getContainer();
WebBundleDescriptor wdesc = webModule.getWebBundleDescriptor();
List<URI> list = new ArrayList<URI>(1);
if (!wdesc.hasExtensionProperty(WeldDeployer.WELD_EXTENSION)) {
return list;
}
// Don't use Util.getCurrentLoader(). This config resource should
// be available from the same classloader that loaded this instance.
// Doing so allows us to be more OSGi friendly.
ClassLoader loader = this.getClass().getClassLoader();
URL resource = loader.getResource(SERVICES_FACES_CONFIG);
if (resource != null) {
try {
list.add(resource.toURI());
} catch (URISyntaxException ex) {
if (logger.isLoggable(Level.SEVERE)) {
logger.log(Level.SEVERE,
CDILoggerInfo.SEVERE_ERROR_CREATING_URI_FOR_FACES_CONFIG_XML,
new Object [] {resource.toExternalForm(), ex});
}
}
}
return list;
}
}