Examples of org.osgi.service.cm.Configuration

org.osgi.service.cm.Configuration
The configuration information for a {@code ManagedService} or{@code ManagedServiceFactory} object.The Configuration Admin service uses this interface to represent the configuration information for a {@code ManagedService} or for a serviceinstance of a {@code ManagedServiceFactory}.
A {@code Configuration} object contains a configuration dictionary and allowsthe properties to be updated via this object. Bundles wishing to receive configuration dictionaries do not need to use this class - they register a {@code ManagedService} or {@code ManagedServiceFactory}. Only administrative bundles, and bundles wishing to update their own configurations need to use this class.
The properties handled in this configuration have case insensitive {@code String} objects as keys. However, case must be preserved from the lastset key/value.
A configuration can be bound to a specific bundle or to a region of bundles using the location. In its simplest form the location is the location of the target bundle that registered a Managed Service or a Managed Service Factory. However, if the location starts with {@code ?} then thelocation indicates multiple delivery. In such a case the configuration must be delivered to all targets. If security is on, the Configuration Permission can be used to restrict the targets that receive updates. The Configuration Admin must only update a target when the configuration location matches the location of the target's bundle or the target bundle has a Configuration Permission with the action {@link ConfigurationPermission#TARGET} and a name that matches theconfiguration location. The name in the permission may contain wildcards ( {@code '*'}) to match the location using the same substring matching rules as {@link Filter}. Bundles can always create, manipulate, and be updated from configurations that have a location that matches their bundle location.
If a configuration's location is {@code null}, it is not yet bound to a location. It will become bound to the location of the first bundle that registers a {@code ManagedService} or {@code ManagedServiceFactory} objectwith the corresponding PID.
The same {@code Configuration} object is used for configuring both a ManagedService Factory and a Managed Service. When it is important to differentiate between these two the term "factory configuration" is used. @noimplement @author $Id: bc83a488c091cf0fbeb90e2c013f637bc82f2a26 $

            } else {
               initDefaultConfig(defaultConfig); 
            }


            // create the factory and set the properties
            Configuration config = ca.createFactoryConfiguration(this.getClientRepositoryFactoryPID());
            config.update(defaultConfig);


            log.debug("verifyConfiguration: Created configuration {} for {}",
                config.getPid(), config.getFactoryPid());


        } catch (Throwable t) {
            log.error(
                "verifyConfiguration: Cannot check or define configuration", t);
        } finally {

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    ConfigurationAdmin ca;


    @SuppressWarnings("unchecked")
    @Test
    public void testDataSourceAsService() throws Exception{
        Configuration config = ca.createFactoryConfiguration(PID, null);
        Dictionary<String, Object> p = new Hashtable<String, Object>();
        p.put("url","jdbc:h2:mem:test;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE");
        p.put("datasource.name","test");
        p.put("initialSize","5");
        p.put("defaultAutoCommit","default");
        p.put("defaultReadOnly","false");
        p.put("datasource.svc.properties",new String[]{
                "initSQL=SELECT 1",
        });
        p.put("maxActive",70);
        config.update(p);


        Filter filter = context.createFilter("(&(objectclass=javax.sql.DataSource)(datasource.name=test))");
        ServiceTracker<DataSource, DataSource> st =
                new ServiceTracker<DataSource, DataSource>(context, filter, null);
        st.open();


        DataSource ds = st.waitForService(10000);
        assertNotNull(ds);


        Connection conn = ds.getConnection();
        assertNotNull(conn);


        //Cannot access directly so access via reflection
        assertEquals("70", getProperty(ds, "poolProperties.maxActive"));
        assertEquals("5", getProperty(ds, "poolProperties.initialSize"));
        assertEquals("SELECT 1", getProperty(ds, "poolProperties.initSQL"));
        assertEquals("false", getProperty(ds, "poolProperties.defaultReadOnly"));
        assertNull(getProperty(ds, "poolProperties.defaultAutoCommit"));


        config = ca.listConfigurations("(datasource.name=test)")[0];
        Dictionary dic = config.getProperties();
        dic.put("defaultReadOnly", Boolean.TRUE);
        config.update(dic);


        TimeUnit.MILLISECONDS.sleep(100);
        assertEquals("true", getProperty(ds, "poolProperties.defaultReadOnly"));
    }

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        pw.print(jb.toString());
    }


    private void createTestConfig() throws IOException {
        ConfigurationAdmin ca = (ConfigurationAdmin) configAdminTracker.getService();
        Configuration cfg = ca.getConfiguration("org.apache.sling.extensions.mdc.internal.MDCInsertingFilter",null);


        Dictionary<String,Object> dict = new Hashtable<String, Object>();
        dict.put("headers",new String[]{"mdc-test-header"});
        dict.put("parameters",new String[]{"mdc-test-param"});
        dict.put("cookies",new String[]{"mdc-test-cookie"});
        cfg.update(dict);
    }

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        if(pid != null) {
            ConfigurationAdmin configurationAdmin = getConfigurationAdmin();
            if (configurationAdmin != null) {
                Configuration[] configs = configurationAdmin.listConfigurations("(service.pid=" + pid + ")");
                if (configs != null && configs.length > 0) {
                    Configuration configuration = configs[0];
                    if (configuration != null) {
                        return configuration.getProperties();
                    }
                }
            }
        }
        return super.getEditedProps();

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     * @param props
     * @throws IOException
     */
    protected void persistConfiguration(ConfigurationAdmin admin, String pid, Dictionary props) throws IOException {
        File storageFile = new File(storage, pid + ".cfg");
        Configuration cfg = admin.getConfiguration(pid, null);
        if (cfg != null && cfg.getProperties() != null) {
            Object val = cfg.getProperties().get(FILEINSTALL_FILE_NAME);
            try {
            if (val instanceof URL) {
                storageFile = new File(((URL) val).toURI());
            }
            if (val instanceof URI) {

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     * @param pid
     * @param props
     * @throws IOException
     */
    public void updateConfiguration(ConfigurationAdmin admin, String pid, Dictionary props) throws IOException {
        Configuration cfg = admin.getConfiguration(pid, null);
        if (cfg.getProperties() == null) {
            String[] pids = parsePid(pid);
            if (pids[1] != null) {
                cfg = admin.createFactoryConfiguration(pids[0], null);
            }
        }
        if (cfg.getBundleLocation() != null) {
            cfg.setBundleLocation(null);
        }
        cfg.update(props);
    }

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        delay(); // for the event to be distributed
        configListener.assertEvents( ConfigurationEvent.CM_UPDATED, 1 );


        // ensure configuration is unbound
        final Configuration beforeInstall = getConfiguration( pid );
        TestCase.assertNull( beforeInstall.getBundleLocation() );


        bundle = installBundle( pid );


        // ensure no configuration bound before start
        final Configuration beforeStart = getConfiguration( pid );
        TestCase.assertNull( beforeInstall.getBundleLocation() );
        TestCase.assertNull( beforeStart.getBundleLocation() );
        configListener.assertEvents( ConfigurationEvent.CM_LOCATION_CHANGED, 0 );


        bundle.start();
        final ManagedServiceTestActivator tester = ManagedServiceTestActivator.INSTANCE;
        TestCase.assertNotNull( "Activator not started !!", tester );


        // give cm time for distribution
        delay();


        // assert activater has configuration
        TestCase.assertNotNull( "Expect Properties after Service Registration", tester.props );
        TestCase.assertEquals( "Expect a single update call", 1, tester.numManagedServiceUpdatedCalls );
        configListener.assertEvents( ConfigurationEvent.CM_LOCATION_CHANGED, 1 );


        // ensure a freshly retrieved object also has the location
        final Configuration beforeStop = getConfiguration( pid );
        TestCase.assertEquals( beforeStop.getBundleLocation(), bundle.getLocation() );


        // check whether bundle context is set on first configuration
        TestCase.assertEquals( beforeInstall.getBundleLocation(), bundle.getLocation() );
        TestCase.assertEquals( beforeStart.getBundleLocation(), bundle.getLocation() );


        bundle.stop();


        delay();


        // ensure configuration still bound
        TestCase.assertEquals( beforeInstall.getBundleLocation(), bundle.getLocation() );
        TestCase.assertEquals( beforeStart.getBundleLocation(), bundle.getLocation() );
        TestCase.assertEquals( beforeStop.getBundleLocation(), bundle.getLocation() );


        // ensure a freshly retrieved object also has the location
        final Configuration beforeUninstall = getConfiguration( pid );
        TestCase.assertEquals( beforeUninstall.getBundleLocation(), bundle.getLocation() );


        bundle.uninstall();
        bundle = null;


        delay();


        // ensure configuration is not bound any more
        TestCase.assertNull( beforeInstall.getBundleLocation() );
        TestCase.assertNull( beforeStart.getBundleLocation() );
        TestCase.assertNull( beforeStop.getBundleLocation() );
        TestCase.assertNull( beforeUninstall.getBundleLocation() );
        configListener.assertEvents( ConfigurationEvent.CM_LOCATION_CHANGED, 1 );


        // ensure a freshly retrieved object also does not have the location
        final Configuration atEnd = getConfiguration( pid );
        TestCase.assertNull( atEnd.getBundleLocation() );


        // remove the configuration for good
        deleteConfig( pid );
        delay();
        configListener.assertEvents( ConfigurationEvent.CM_DELETED, 1 );

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        final String pid = "test_configuration_unbound_on_uninstall_with_cm_restart";
        configure( pid );
        final Bundle cmBundle = getCmBundle();


        // ensure configuration is unbound
        final Configuration beforeInstall = getConfiguration( pid );
        TestCase.assertNull( beforeInstall.getBundleLocation() );


        bundle = installBundle( pid );


        // ensure no configuration bound before start
        final Configuration beforeStart = getConfiguration( pid );
        TestCase.assertNull( beforeInstall.getBundleLocation() );
        TestCase.assertNull( beforeStart.getBundleLocation() );


        bundle.start();
        final ManagedServiceTestActivator tester = ManagedServiceTestActivator.INSTANCE;
        TestCase.assertNotNull( "IOActivator not started !!", tester );


        // give cm time for distribution
        delay();


        // assert activater has configuration
        TestCase.assertNotNull( "Expect Properties after Service Registration", tester.props );
        TestCase.assertEquals( "Expect a single update call", 1, tester.numManagedServiceUpdatedCalls );


        // ensure a freshly retrieved object also has the location
        final Configuration beforeStop = getConfiguration( pid );
        TestCase.assertEquals( beforeStop.getBundleLocation(), bundle.getLocation() );


        // check whether bundle context is set on first configuration
        TestCase.assertEquals( beforeInstall.getBundleLocation(), bundle.getLocation() );
        TestCase.assertEquals( beforeStart.getBundleLocation(), bundle.getLocation() );


        bundle.stop();


        // ensure configuration still bound
        TestCase.assertEquals( beforeInstall.getBundleLocation(), bundle.getLocation() );
        TestCase.assertEquals( beforeStart.getBundleLocation(), bundle.getLocation() );
        TestCase.assertEquals( beforeStop.getBundleLocation(), bundle.getLocation() );


        // ensure a freshly retrieved object also has the location
        final Configuration beforeUninstall = getConfiguration( pid );
        TestCase.assertEquals( beforeUninstall.getBundleLocation(), bundle.getLocation() );


        // stop cm bundle now before uninstalling configured bundle
        cmBundle.stop();
        delay();


        // assert configuration admin service is gone
        TestCase.assertNull( configAdminTracker.getService() );


        // uninstall bundle while configuration admin is stopped
        bundle.uninstall();
        bundle = null;


        // start cm bundle again after uninstallation
        cmBundle.start();
        delay();


        // ensure a freshly retrieved object also does not have the location
        // FELIX-1484: this test fails due to bundle location not verified
        // at first configuration access
        final Configuration atEnd = getConfiguration( pid );
        TestCase.assertNull( atEnd.getBundleLocation() );


        // remove the configuration for good
        deleteConfig( pid );
    }

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        BundleException
    {
        final String pid = "test_not_updated_new_configuration_not_bound_after_bundle_uninstall";


        // create a configuration but do not update with properties
        final Configuration newConfig = configure( pid, null, false );
        TestCase.assertNull( newConfig.getProperties() );
        TestCase.assertNull( newConfig.getBundleLocation() );


        // start and settle bundle
        bundle = installBundle( pid );
        bundle.start();
        delay();


        // ensure no properties provided to bundle
        final ManagedServiceTestActivator tester = ManagedServiceTestActivator.INSTANCE;
        TestCase.assertNotNull( "Activator not started !!", tester );
        TestCase.assertNull( "Expect no properties after Service Registration", tester.props );
        TestCase.assertEquals( "Expect a single update call", 1, tester.numManagedServiceUpdatedCalls );


        // assert configuration is still unset but bound
        TestCase.assertNull( newConfig.getProperties() );
        TestCase.assertEquals( bundle.getLocation(), newConfig.getBundleLocation() );


        // uninstall bundle, should unbind configuration
        bundle.uninstall();
        bundle = null;


        delay();


        // assert configuration is still unset and unbound
        TestCase.assertNull( newConfig.getProperties() );
        TestCase.assertNull( newConfig.getBundleLocation() );


        // remove the configuration for good
        deleteConfig( pid );
    }

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        final String pid = "test_create_with_location_unbind_before_service_supply";
        final String dummyLocation = "http://some/dummy/location";


        // 1. create and statically bind the configuration
        final Configuration config = configure( pid, dummyLocation, false );
        TestCase.assertEquals( pid, config.getPid() );
        TestCase.assertEquals( dummyLocation, config.getBundleLocation() );


        // 2. update configuration
        Hashtable<String, String> props = new Hashtable<String, String>();
        props.put( PROP_NAME, PROP_NAME );
        config.update( props );
        TestCase.assertEquals( PROP_NAME, config.getProperties().get( PROP_NAME ) );
        TestCase.assertEquals( pid, config.getPid() );
        TestCase.assertEquals( dummyLocation, config.getBundleLocation() );


        // 3. (statically) set location to null
        config.setBundleLocation( null );
        TestCase.assertNull( config.getBundleLocation() );


        // 4. install bundle with service
        bundle = installBundle( pid );
        bundle.start();
        delay();


        final ManagedServiceTestActivator tester = ManagedServiceTestActivator.INSTANCE;
        TestCase.assertNotNull( "Activator not started !!", tester );


        // assert activater has configuration (two calls, one per pid)
        TestCase.assertNotNull( "Expect Properties after Service Registration", tester.props );
        TestCase.assertEquals( "Expect a single update call", 1, tester.numManagedServiceUpdatedCalls );


        TestCase.assertEquals( bundle.getLocation(), config.getBundleLocation() );


        bundle.uninstall();
        bundle = null;


        delay();


        // statically bound configurations must remain bound after bundle
        // uninstall
        TestCase.assertNull( config.getBundleLocation() );


        // remove the configuration for good
        deleteConfig( pid );
    }

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