Examples of org.osgi.service.io.ConnectorService

org.osgi.service.io.ConnectorService
The Connector Service should be called to create and open {@code javax.microedition.io.Connection} objects.When an {@code open*} method is called, the implementation of the ConnectorService will examine the specified name for a scheme. The Connector Service will then look for a Connection Factory service which is registered with the service property {@code IO_SCHEME} which matches the scheme. The{@code createConnection} method of the selected Connection Factory will thenbe called to create the actual {@code Connection} object.
If more than one Connection Factory service is registered for a particular scheme, the service with the highest ranking (as specified in its {@code service.ranking} property) is called. If there is a tie in ranking,the service with the lowest service ID (as specified in its {@code service.id} property), that is the service that was registered first,is called. This is the same algorithm used by {@code BundleContext.getServiceReference}. @author $Id: 3965bf616b44ab3459343f1fa761567b484ccbe9 $

    {
        ConnectionFactoryMock connFactory = new ConnectionFactoryMock();
        Dictionary props = new Hashtable();
        props.put(ConnectionFactory.IO_SCHEME, "file");
        ServiceRegistration registration = registerConnectionFactory(connFactory, props);
        ConnectorService service = getConnectorService();


        Connection connection = service.open("file://test.txt");
        assertEquals("file://test.txt", connFactory.getName());
        assertEquals(ConnectorService.READ_WRITE, connFactory.getMode());
        assertEquals(false, connFactory.isTimeout());
        assertNotNull("checks returned Connection", connection);


        connection = service.open("file://test.txt", ConnectorService.READ);
        assertEquals("file://test.txt", connFactory.getName());
        assertEquals(ConnectorService.READ, connFactory.getMode());
        assertEquals(false, connFactory.isTimeout());
        assertNotNull("checks returned Connection", connection);


        connection = service.open("file://test.txt", ConnectorService.WRITE);
        assertEquals("file://test.txt", connFactory.getName());
        assertEquals(ConnectorService.WRITE, connFactory.getMode());
        assertEquals(false, connFactory.isTimeout());
        assertNotNull("checks returned Connection", connection);


        connection = service.open("file://test.txt", ConnectorService.READ, true);
        assertEquals("file://test.txt", connFactory.getName());
        assertEquals(ConnectorService.READ, connFactory.getMode());
        assertEquals(true, connFactory.isTimeout());
        assertNotNull("checks returned Connection", connection);


        try
        {
            connection = service.open("http://test.txt", ConnectorService.READ);
            fail("Connection shouldn't be created");
        } catch (ConnectionNotFoundException e)
        {
            // "expected"
        }


        try
        {
            service.open("file.txt");
            fail("Illegal format of uri");
        } catch (IllegalArgumentException e)
        {
            // expected
        }


        DataInputStream dataInStream = service.openDataInputStream("file://test.txt");
        assertEquals("file://test.txt", connFactory.getName());
        assertEquals(ConnectorService.READ, connFactory.getMode());
        assertEquals(false, connFactory.isTimeout());
        assertNotNull("checks returned DataInputStream", dataInStream);


        DataOutputStream dataOutStream = service.openDataOutputStream("file://test.txt");
        assertEquals("file://test.txt", connFactory.getName());
        assertEquals(ConnectorService.WRITE, connFactory.getMode());
        assertEquals(false, connFactory.isTimeout());
        assertNotNull("checks returned DataOutputStream", dataOutStream);


        InputStream inStream = service.openInputStream("file://test.txt");
        assertEquals("file://test.txt", connFactory.getName());
        assertEquals(ConnectorService.READ, connFactory.getMode());
        assertEquals(false, connFactory.isTimeout());
        assertNotNull("checks returned InputStream", inStream);


        OutputStream outStream = service.openOutputStream("file://test.txt");
        assertEquals("file://test.txt", connFactory.getName());
        assertEquals(ConnectorService.WRITE, connFactory.getMode());
        assertEquals(false, connFactory.isTimeout());
        assertNotNull("checks returned OutputStream", outStream);

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        ConnectionFactoryMock connFactory2 = new ConnectionFactoryMock();
        props.put(Constants.SERVICE_RANKING, new Integer(Integer.MAX_VALUE));
        registerConnectionFactory(connFactory2, props);


        ConnectorService service = getConnectorService();


        Connection connection = service.open("file://test.txt");
        assertEquals("uri checks for lowest ranking service", null, connFactory.getName());
        assertEquals("file://test.txt", connFactory2.getName());
        assertEquals(ConnectorService.READ_WRITE, connFactory2.getMode());
        assertEquals(false, connFactory2.isTimeout());
        assertNotNull("Connection should be created", connection);

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        ServiceRegistration registration = registerConnectionFactory(connFactory, props);


        ConnectionFactoryMock connFactory2 = new ConnectionFactoryMock();
        ServiceRegistration registration2 = registerConnectionFactory(connFactory2, props);


        ConnectorService service = getConnectorService();


        Connection connection = service.open("file://test.txt");
        assertEquals("uri checks for highest service.id", null, connFactory2.getName());
        assertEquals("uri checks for lowest service.id", "file://test.txt", connFactory.getName());
        assertEquals(ConnectorService.READ_WRITE, connFactory.getMode());
        assertEquals(false, connFactory.isTimeout());
        assertNotNull("checks returned Connection", connection);

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        ConnectionFactoryMock connFactory = new ConnectionFactoryMock();
        Dictionary props = new Hashtable();
        props.put(ConnectionFactory.IO_SCHEME, new String[]
        { "file", "http", "sms" });
        ServiceRegistration registration = registerConnectionFactory(connFactory, props);
        ConnectorService service = getConnectorService();


        Connection connection = service.open("file://test.txt");
        assertEquals("file://test.txt", connFactory.getName());
        assertEquals(ConnectorService.READ_WRITE, connFactory.getMode());
        assertEquals(false, connFactory.isTimeout());
        assertNotNull("checks returned connection", connection);


        connection = service.open("http://test.txt", ConnectorService.READ);
        assertEquals("http://test.txt", connFactory.getName());
        assertEquals(ConnectorService.READ, connFactory.getMode());
        assertEquals(false, connFactory.isTimeout());
        assertNotNull("checks returned connection", connection);


        connection = service.open("sms://test.txt", ConnectorService.READ);
        assertEquals("sms://test.txt", connFactory.getName());
        assertEquals(ConnectorService.READ, connFactory.getMode());
        assertEquals(false, connFactory.isTimeout());
        assertNotNull("checks returned connection", connection);


        try
        {
            connection = service.open("ftp://test.txt", ConnectorService.READ);
            fail("Connection shouldn't be created");
        } catch (ConnectionNotFoundException e)
        {
            // "expected"
        }

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org.apache.felix.io.ConnectorServiceTest

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