package org.argeo.cms.internal.kernel;
+import java.io.IOException;
+import java.net.URL;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Dictionary;
+import java.util.List;
+import java.util.Locale;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.argeo.cms.CmsException;
+import org.argeo.node.ArgeoLogger;
+import org.argeo.node.NodeConstants;
+import org.argeo.node.NodeDeployment;
+import org.argeo.node.NodeInstance;
+import org.argeo.node.NodeState;
+import org.argeo.util.LangUtils;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
+import org.osgi.framework.Constants;
+import org.osgi.framework.ServiceReference;
+import org.osgi.service.condpermadmin.ConditionalPermissionAdmin;
+import org.osgi.service.log.LogReaderService;
+/**
+ * Activates the {@link Kernel} from the provided {@link BundleContext}. Gives
+ * access to kernel information for the rest of the bundle (and only it)
+ */
public class Activator implements BundleActivator {
- private Kernel kernel;
+ private final Log log = LogFactory.getLog(Activator.class);
+
+ private static Activator instance;
+
+ private BundleContext bc;
+ private ConditionalPermissionAdmin permissionAdmin;
+ private LogReaderService logReaderService;
+ // private ConfigurationAdmin configurationAdmin;
+
+ private NodeLogger logger;
+ private CmsState nodeState;
+ private CmsDeployment nodeDeployment;
+ private CmsInstance nodeInstance;
@Override
- public void start(BundleContext context) throws Exception {
- assert kernel == null;
- kernel = new Kernel(context);
- kernel.init();
+ public void start(BundleContext bundleContext) throws Exception {
+ instance = this;
+ this.bc = bundleContext;
+ this.permissionAdmin = getService(ConditionalPermissionAdmin.class);
+ this.logReaderService = getService(LogReaderService.class);
+ // this.configurationAdmin = getService(ConfigurationAdmin.class);
+
+ initSecurity();// must be first
+ initArgeoLogger();
+ try {
+ initNode();
+ } catch (Exception e) {
+ e.printStackTrace();
+ throw new CmsException("Cannot initialize node", e);
+ }
+ }
+
+ private void initSecurity() {
+ URL url = getClass().getClassLoader().getResource(KernelConstants.JAAS_CONFIG);
+ System.setProperty("java.security.auth.login.config", url.toExternalForm());
+ }
+
+ private void initArgeoLogger() {
+ logger = new NodeLogger(logReaderService);
+ bc.registerService(ArgeoLogger.class, logger, null);
+ }
+
+ private void initNode() throws IOException {
+ // Node state
+ Path stateUuidPath = bc.getDataFile("stateUuid").toPath();
+ String stateUuid;
+ if (Files.exists(stateUuidPath)) {
+ stateUuid = Files.readAllLines(stateUuidPath).get(0);
+ } else {
+ stateUuid = bc.getProperty(Constants.FRAMEWORK_UUID);
+ Files.write(stateUuidPath, stateUuid.getBytes());
+ }
+ nodeState = new CmsState(stateUuid);
+ // Object cn;
+ // Configuration nodeConf =
+ // configurationAdmin.getConfiguration(NodeConstants.NODE_STATE_PID);
+ // Dictionary<String, Object> props = nodeConf.getProperties();
+ // if (props == null) {
+ // if (log.isDebugEnabled())
+ // log.debug("Clean node state");
+ // Dictionary<String, Object> envProps = new Hashtable<>();
+ // // Use the UUID of the first framework run as state UUID
+ // cn = bc.getProperty(Constants.FRAMEWORK_UUID);
+ // envProps.put(NodeConstants.CN, cn);
+ // nodeConf.update(envProps);
+ // } else {
+ // cn = props.get(NodeConstants.CN);
+ // if (cn == null)
+ // throw new CmsException("No state UUID available");
+ // }
+ Dictionary<String, Object> regProps = LangUtils.init(Constants.SERVICE_PID, NodeConstants.NODE_STATE_PID);
+ regProps.put(NodeConstants.CN, stateUuid);
+ bc.registerService(NodeState.class, nodeState, regProps);
+
+ // Node deployment
+ nodeDeployment = new CmsDeployment();
+ bc.registerService(NodeDeployment.class, nodeDeployment, null);
+
+ // Node instance
+ nodeInstance = new CmsInstance();
+ bc.registerService(NodeInstance.class, nodeInstance, null);
}
@Override
- public void stop(BundleContext context) throws Exception {
- kernel.destroy();
- kernel = null;
+ public void stop(BundleContext bundleContext) throws Exception {
+ nodeInstance.shutdown();
+ nodeDeployment.shutdown();
+ nodeState.shutdown();
+
+ instance = null;
+ this.bc = null;
+ this.permissionAdmin = null;
+ this.logReaderService = null;
+ // this.configurationAdmin = null;
+ }
+
+ private <T> T getService(Class<T> clazz) {
+ ServiceReference<T> sr = bc.getServiceReference(clazz);
+ if (sr == null)
+ throw new CmsException("No service available for " + clazz);
+ return bc.getService(sr);
+ }
+
+ public static NodeState getNodeState() {
+ return instance.nodeState;
+ }
+
+ public String[] getLocales() {
+ // TODO optimize?
+ List<Locale> locales = getNodeState().getLocales();
+ String[] res = new String[locales.size()];
+ for (int i = 0; i < locales.size(); i++)
+ res[i] = locales.get(i).toString();
+ return res;
}
}