+++ /dev/null
-package org.argeo.cms.e4;
-
-import org.argeo.cms.swt.CmsException;
-import org.eclipse.e4.core.contexts.ContextFunction;
-import org.eclipse.e4.core.contexts.IEclipseContext;
-import org.eclipse.e4.core.di.IInjector;
-import org.osgi.framework.BundleContext;
-import org.osgi.framework.FrameworkUtil;
-import org.osgi.framework.InvalidSyntaxException;
-import org.osgi.framework.ServiceReference;
-
-/** An Eclipse 4 {@link ContextFunction} based on an OSGi filter. */
-public class OsgiFilterContextFunction extends ContextFunction {
-
- private BundleContext bc = FrameworkUtil.getBundle(OsgiFilterContextFunction.class).getBundleContext();
-
- @Override
- public Object compute(IEclipseContext context, String contextKey) {
- ServiceReference<?>[] srs;
- try {
- srs = bc.getServiceReferences((String) null, contextKey);
- } catch (InvalidSyntaxException e) {
- throw new CmsException("Context key " + contextKey + " must be a valid osgi filter", e);
- }
- if (srs == null || srs.length == 0) {
- return IInjector.NOT_A_VALUE;
- } else {
- // return the first one
- return bc.getService(srs[0]);
- }
- }
-
-}