1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/samples/componentinjection/src/org/apidesign/component/InjectionViaServiceLoader.java	Sat Jun 14 09:53:44 2008 +0200
     1.3 @@ -0,0 +1,22 @@
     1.4 +package org.apidesign.component;
     1.5 +
     1.6 +import java.util.Collection;
     1.7 +import java.util.ServiceLoader;
     1.8 +import org.openide.util.Lookup;
     1.9 +
    1.10 +public class InjectionViaServiceLoader {
    1.11 +    private InjectionViaServiceLoader() {
    1.12 +    }
    1.13 +    
    1.14 +    // BEGIN: lookup.query.serviceloader
    1.15 +    public static InjectionSlot singleSlot() {
    1.16 +        // get one implementation
    1.17 +        return ServiceLoader.load(InjectionSlot.class).iterator().next();
    1.18 +    }
    1.19 +    
    1.20 +    public static Iterable<? extends InjectionSlot> multiSlot() {
    1.21 +        // get all registered implementations
    1.22 +        return ServiceLoader.load(InjectionSlot.class);
    1.23 +    }
    1.24 +    // END: lookup.query.serviceloader
    1.25 +}

     2.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     2.2 +++ b/samples/componentinjection/test/org/apidesign/component/InjectionViaServiceLoaderTest.java	Sat Jun 14 09:53:44 2008 +0200
     2.3 @@ -0,0 +1,46 @@
     2.4 +package org.apidesign.component;
     2.5 +
     2.6 +import java.util.Iterator;
     2.7 +import org.junit.BeforeClass;
     2.8 +import org.junit.Test;
     2.9 +import org.netbeans.junit.MockServices;
    2.10 +import static org.junit.Assert.*;
    2.11 +
    2.12 +// BEGIN: lookup.mockservices.serviceloader
    2.13 +public class InjectionViaServiceLoaderTest {
    2.14 +    public InjectionViaServiceLoaderTest() {
    2.15 +    }
    2.16 +
    2.17 +    @BeforeClass
    2.18 +    public static void setUpClass() throws Exception {
    2.19 +        // this is a support for "dynamic" registration of any class
    2.20 +        // into the global pool of Lookup.getDefault() and java.util.ServiceLoader
    2.21 +        // either in @BeforeClass or @Before register 
    2.22 +        // classes of the mock instances that you want your code 
    2.23 +        // to find
    2.24 +        MockServices.setServices(ImplOne.class, ImplTwo.class);
    2.25 +    }
    2.26 +
    2.27 +    @Test
    2.28 +    public void singleSlot() {
    2.29 +        InjectionSlot result = InjectionViaServiceLoader.singleSlot();
    2.30 +        assertNotNull("Some result found", result);
    2.31 +        assertEquals("The first is ImplOne", ImplOne.class, result.getClass());
    2.32 +    }
    2.33 +
    2.34 +    @Test
    2.35 +    public void multiSlot() {
    2.36 +        Iterator<? extends InjectionSlot> it = InjectionViaServiceLoader.multiSlot().iterator();
    2.37 +        assertTrue("Has at least one", it.hasNext());
    2.38 +        assertEquals("The first is ImplOne", ImplOne.class, it.next().getClass());
    2.39 +        assertTrue("Has two", it.hasNext());
    2.40 +        assertEquals("The second is ImplTwo", ImplTwo.class, it.next().getClass());
    2.41 +        assertFalse("No other instance registered", it.hasNext());
    2.42 +    }
    2.43 +
    2.44 +    public static final class ImplOne extends InjectionSlot {
    2.45 +    }
    2.46 +    public static final class ImplTwo extends InjectionSlot {
    2.47 +    }
    2.48 +}
    2.49 +// BEGIN: lookup.mockservices.serviceloader