tom | 0eb04ca | 2014-08-25 14:34:51 -0700 | [diff] [blame] | 1 | package org.onlab.onos.cli; |
| 2 | |
| 3 | import org.apache.karaf.shell.console.OsgiCommandSupport; |
| 4 | import org.osgi.framework.BundleContext; |
| 5 | import org.osgi.framework.FrameworkUtil; |
| 6 | |
| 7 | /** |
| 8 | * Base abstraction of Karaf shell commands. |
| 9 | */ |
| 10 | public abstract class AbstractShellCommand extends OsgiCommandSupport { |
| 11 | |
| 12 | /** |
tom | 6d2a43e | 2014-09-08 01:50:20 -0700 | [diff] [blame^] | 13 | * Returns the reference to the implementation of the specified service. |
tom | 0eb04ca | 2014-08-25 14:34:51 -0700 | [diff] [blame] | 14 | * |
| 15 | * @param serviceClass service class |
| 16 | * @param <T> type of service |
| 17 | * @return service implementation |
| 18 | */ |
tom | 6d2a43e | 2014-09-08 01:50:20 -0700 | [diff] [blame^] | 19 | public static <T> T get(Class<T> serviceClass) { |
tom | 0eb04ca | 2014-08-25 14:34:51 -0700 | [diff] [blame] | 20 | BundleContext bc = FrameworkUtil.getBundle(AbstractShellCommand.class).getBundleContext(); |
| 21 | return bc.getService(bc.getServiceReference(serviceClass)); |
| 22 | } |
| 23 | |
tom | 6d2a43e | 2014-09-08 01:50:20 -0700 | [diff] [blame^] | 24 | /** |
| 25 | * Prints the arguments using the specified format. |
| 26 | * |
| 27 | * @param format format string; see {@link String#format} |
| 28 | * @param args arguments |
| 29 | */ |
| 30 | public static void print(String format, Object... args) { |
| 31 | System.out.println(String.format(format, args)); |
| 32 | } |
| 33 | |
tom | 0eb04ca | 2014-08-25 14:34:51 -0700 | [diff] [blame] | 34 | } |