Github user neykov commented on a diff in the pull request:
https://github.com/apache/brooklyn-server/pull/80#discussion_r57437307
--- Diff:
core/src/main/java/org/apache/brooklyn/core/catalog/internal/CatalogBomScanner.java
---
@@ -0,0 +1,185 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.brooklyn.core.catalog.internal;
+
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.Iterables;
+import org.apache.brooklyn.api.catalog.CatalogItem;
+import org.apache.brooklyn.api.mgmt.ManagementContext;
+import org.apache.brooklyn.util.collections.MutableList;
+import org.apache.brooklyn.util.collections.MutableMap;
+import org.apache.brooklyn.util.exceptions.Exceptions;
+import org.apache.brooklyn.util.stream.Streams;
+import org.apache.brooklyn.util.yaml.Yamls;
+import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.BundleEvent;
+import org.osgi.framework.FrameworkUtil;
+import org.osgi.framework.ServiceReference;
+import org.osgi.util.tracker.BundleTracker;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.yaml.snakeyaml.Yaml;
+
+import java.io.IOException;
+import java.net.URL;
+import java.util.List;
+import java.util.Map;
+
+public class CatalogBomScanner {
+
+ private static final Logger LOG =
LoggerFactory.getLogger(CatalogBomScanner.class);
+ private static final String CATALOG_BOM_URL = "catalog.bom";
+ private static final String BROOKLYN_CATALOG = "brooklyn.catalog";
+ private static final String BROOKLYN_LIBRARIES = "brooklyn.libraries";
+
+ private CatalogPopulator catalogTracker;
+
+ public void bind(ServiceReference<ManagementContext>
managementContext) throws Exception {
+ LOG.debug("Binding management context");
+ catalogTracker = new CatalogPopulator(managementContext);
+ }
+
+ public void unbind(ServiceReference<ManagementContext>
managementContext) throws Exception {
+ LOG.debug("Unbinding management context");
+ if (null != catalogTracker) {
+ CatalogPopulator temp = catalogTracker;
+ catalogTracker = null;
+ temp.close();
+ }
+ }
+
+ private String[] bundleIds(Bundle bundle) {
+ return new String[] {
+ String.valueOf(bundle.getBundleId()),
String.valueOf(bundle.getState()), bundle.getSymbolicName()
+ };
+ }
+
+
+ public class CatalogPopulator extends BundleTracker<Long> {
+
+ private ServiceReference<ManagementContext> mgmtContextReference;
+ private ManagementContext managementContext;
+
+ public CatalogPopulator(ServiceReference<ManagementContext>
serviceReference) {
+ super(serviceReference.getBundle().getBundleContext(),
Bundle.ACTIVE, null);
+ this.mgmtContextReference = serviceReference;
+ open();
+ }
+
+ @Override
+ public void open() {
+ managementContext =
mgmtContextReference.getBundle().getBundleContext().getService(mgmtContextReference);
+ super.open();
+ }
+
+ @Override
+ public void close() {
+ super.close();
+ managementContext = null;
+
mgmtContextReference.getBundle().getBundleContext().ungetService(mgmtContextReference);
+ }
+
+ public ManagementContext getManagementContext() {
+ return managementContext;
+ }
+
+ @Override
+ public Long addingBundle(Bundle bundle, BundleEvent bundleEvent) {
+
+ final BundleContext bundleContext =
FrameworkUtil.getBundle(CatalogBomScanner.class).getBundleContext();
+ if (bundleContext == null) {
+ LOG.info("Bundle context not yet established for bundle {}
{} {}", bundleIds(bundle));
+ return null;
+ }
+
+ scanForCatalog(bundle);
+
+ return bundle.getBundleId();
+ }
+
+ @Override
+ public void modifiedBundle(Bundle bundle, BundleEvent event, Long
bundleId) {
+ sanityCheck(bundle, bundleId);
+ LOG.info("Modified bundle {} {} {}", bundleIds(bundle));
--- End diff --
This and following better be `debug`, not of much interest to regular users.
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