+++ /dev/null
-/*\r
- * Copyright (C) 2007-2012 Argeo GmbH\r
- *\r
- * Licensed under the Apache License, Version 2.0 (the "License");\r
- * you may not use this file except in compliance with the License.\r
- * You may obtain a copy of the License at\r
- *\r
- * http://www.apache.org/licenses/LICENSE-2.0\r
- *\r
- * Unless required by applicable law or agreed to in writing, software\r
- * distributed under the License is distributed on an "AS IS" BASIS,\r
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
- * See the License for the specific language governing permissions and\r
- * limitations under the License.\r
- */\r
-package org.argeo.eclipse.spring;\r
-\r
-import static java.text.MessageFormat.format;\r
-\r
-import org.apache.commons.logging.Log;\r
-import org.apache.commons.logging.LogFactory;\r
-import org.eclipse.core.runtime.Platform;\r
-import org.osgi.framework.Bundle;\r
-import org.osgi.framework.BundleContext;\r
-import org.osgi.framework.BundleException;\r
-import org.osgi.framework.FrameworkUtil;\r
-import org.osgi.framework.InvalidSyntaxException;\r
-import org.osgi.util.tracker.ServiceTracker;\r
-import org.springframework.context.ApplicationContext;\r
-\r
-/**\r
- * Tracks Spring application context published as services.\r
- * \r
- * @author Heiko Seeberger\r
- * @author Mathieu Baudier\r
- */\r
-class ApplicationContextTracker {\r
- private final static Log log = LogFactory\r
- .getLog(ApplicationContextTracker.class);\r
-\r
- private static final String FILTER = "(&(objectClass=org.springframework.context.ApplicationContext)" //$NON-NLS-1$\r
- + "(org.springframework.context.service.name={0}))"; //$NON-NLS-1$\r
-\r
- public final static String APPLICATION_CONTEXT_TRACKER_TIMEOUT = "org.argeo.eclipse.spring.applicationContextTrackerTimeout";\r
-\r
- private static Long defaultTimeout = Long.parseLong(System.getProperty(\r
- APPLICATION_CONTEXT_TRACKER_TIMEOUT, "30000"));\r
-\r
- @SuppressWarnings("rawtypes")\r
- private ServiceTracker applicationContextServiceTracker;\r
-\r
- /**\r
- * @param contributorBundle\r
- * OSGi bundle for which the Spring application context is to be\r
- * tracked. Must not be null!\r
- * @param factoryBundleContext\r
- * BundleContext object which can be used to track services\r
- * @throws IllegalArgumentException\r
- * if the given bundle is null.\r
- */\r
- @SuppressWarnings({ "unchecked", "rawtypes" })\r
- public ApplicationContextTracker(final Bundle contributorBundle,\r
- final BundleContext factoryBundleContext) {\r
- final String filter = format(FILTER,\r
- contributorBundle.getSymbolicName());\r
- try {\r
- applicationContextServiceTracker = new ServiceTracker(\r
- factoryBundleContext, FrameworkUtil.createFilter(filter),\r
- null);\r
- // applicationContextServiceTracker.open();\r
- } catch (final InvalidSyntaxException e) {\r
- e.printStackTrace();\r
- }\r
- }\r
-\r
- public void open() {\r
- if (applicationContextServiceTracker != null) {\r
- applicationContextServiceTracker.open();\r
- }\r
- }\r
-\r
- public void close() {\r
- if (applicationContextServiceTracker != null) {\r
- applicationContextServiceTracker.close();\r
- }\r
- }\r
-\r
- public ApplicationContext getApplicationContext() {\r
- ApplicationContext applicationContext = null;\r
- if (applicationContextServiceTracker != null) {\r
- try {\r
- applicationContext = (ApplicationContext) applicationContextServiceTracker\r
- .waitForService(defaultTimeout);\r
- } catch (InterruptedException e) {\r
- e.printStackTrace();\r
- }\r
- }\r
- return applicationContext;\r
- }\r
-\r
- @Override\r
- protected void finalize() throws Throwable {\r
- close();\r
- super.finalize();\r
- }\r
-\r
- static ApplicationContext getApplicationContext(String bundleSymbolicName) {\r
- Bundle contributorBundle = Platform.getBundle(bundleSymbolicName);\r
- return getApplicationContext(contributorBundle);\r
- }\r
-\r
- static ApplicationContext getApplicationContext(\r
- final Bundle contributorBundle) {\r
- if (log.isTraceEnabled())\r
- log.trace("Get application context for bundle " + contributorBundle);\r
-\r
- // Start if not yet started (also if in STARTING state, may be lazy)\r
- if (contributorBundle.getState() != Bundle.ACTIVE) {\r
- if (log.isTraceEnabled())\r
- log.trace("Starting bundle: "\r
- + contributorBundle.getSymbolicName());\r
- // Thread startBundle = new Thread("Start bundle "\r
- // + contributorBundle.getSymbolicName()) {\r
- // public void run() {\r
- try {\r
- contributorBundle.start();\r
- } catch (BundleException e) {\r
- log.error("Cannot start bundle " + contributorBundle, e);\r
- }\r
- // }\r
- // };\r
- // startBundle.start();\r
- // try {\r
- // startBundle.join(10 * 1000l);\r
- // } catch (InterruptedException e) {\r
- // // silent\r
- // }\r
- }\r
-\r
- final ApplicationContextTracker applicationContextTracker = new ApplicationContextTracker(\r
- contributorBundle, contributorBundle.getBundleContext());\r
- ApplicationContext applicationContext = null;\r
- try {\r
- applicationContextTracker.open();\r
- applicationContext = applicationContextTracker\r
- .getApplicationContext();\r
- } finally {\r
- applicationContextTracker.close();\r
- }\r
- return applicationContext;\r
- }\r
-}\r