X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=org.argeo.cms%2Fsrc%2Forg%2Fargeo%2Fcms%2Finternal%2Fkernel%2FActivator.java;h=1d40c99463c07e58a35ae59b1b900040acc5f7fb;hb=b155c2b5a08499dcb6860769ac9521224fbf4d5d;hp=4d166eaf63db619ed0b761034299a154f30cfd39;hpb=63446804f4954bfedd50d8c692bde0fab13aa1ec;p=lgpl%2Fargeo-commons.git

diff --git a/org.argeo.cms/src/org/argeo/cms/internal/kernel/Activator.java b/org.argeo.cms/src/org/argeo/cms/internal/kernel/Activator.java
index 4d166eaf6..1d40c9946 100644
--- a/org.argeo.cms/src/org/argeo/cms/internal/kernel/Activator.java
+++ b/org.argeo.cms/src/org/argeo/cms/internal/kernel/Activator.java
@@ -1,22 +1,69 @@
 package org.argeo.cms.internal.kernel;
 
+import java.util.UUID;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
 import org.osgi.framework.BundleActivator;
 import org.osgi.framework.BundleContext;
 
+/**
+ * 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;
+	public final static String SYSTEM_KEY_PROPERTY = "argeo.security.systemKey";
+	private final Log log = LogFactory.getLog(Activator.class);
+
+	private final static String systemKey;
+	static {
+		systemKey = UUID.randomUUID().toString();
+		System.setProperty(SYSTEM_KEY_PROPERTY, systemKey);
+	}
+
+	private static BundleContext bundleContext;
+	private static Kernel kernel;
 
 	@Override
 	public void start(BundleContext context) throws Exception {
+		assert bundleContext == null;
 		assert kernel == null;
-		kernel = new Kernel(context);
-		kernel.init();
+		bundleContext = context;
+		try {
+			kernel = new Kernel();
+			kernel.init();
+		} catch (Exception e) {
+			log.error("Cannot boot kernel", e);
+		}
 	}
 
 	@Override
 	public void stop(BundleContext context) throws Exception {
 		kernel.destroy();
 		kernel = null;
+		bundleContext = null;
 	}
 
+	/**
+	 * Singleton interface to the {@link BundleContext} related to the calling
+	 * thread.
+	 * 
+	 * @BundleScope
+	 */
+	public static BundleContext getBundleContext() {
+		return bundleContext;
+	}
+
+	public static KernelHeader getKernelHeader() {
+		return kernel;
+	}
+
+	/**
+	 * @return a String which is guaranteed to be unique between and constant
+	 *         within a Java static context (typically a VM launch)
+	 * @BundleScope
+	 */
+	public final static String getSystemKey() {
+		return systemKey;
+	}
 }