Package org.picocontainer

Examples of org.picocontainer.MutablePicoContainer

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    /**
     * Test if an instance can be assimilated.
     */
    public void testInstanceIsBorged() {
        final MutablePicoContainer mpc = new DefaultPicoContainer();
        final ComponentAdapter componentAdapter = new CachingComponentAdapter(new ConstructorInjectionComponentAdapter(
                CompatibleTouchable.class, CompatibleTouchable.class));
        mpc.registerComponent(new AssimilatingComponentAdapter(Touchable.class, componentAdapter));
        final CompatibleTouchable compatibleTouchable = (CompatibleTouchable) componentAdapter
                .getComponentInstance(mpc);
        final Touchable touchable = (Touchable) mpc.getComponentInstanceOfType(Touchable.class);
        assertFalse(compatibleTouchable.wasTouched());
        touchable.touch();
        assertTrue(compatibleTouchable.wasTouched());
        assertTrue(Proxy.isProxyClass(touchable.getClass()));
    }
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    /**
     * Test if the component key is preserved if it is not a class type.
     */
    public void testComponentKeyIsPreserved() {
        final MutablePicoContainer mpc = new DefaultPicoContainer();
        final ComponentAdapter componentAdapter = new CachingComponentAdapter(new ConstructorInjectionComponentAdapter(
                "Touchy", CompatibleTouchable.class));
        mpc.registerComponent(new AssimilatingComponentAdapter(Touchable.class, componentAdapter));
        final CompatibleTouchable compatibleTouchable = (CompatibleTouchable) componentAdapter
                .getComponentInstance(mpc);
        final Touchable touchable = (Touchable) mpc.getComponentInstance("Touchy");
        assertFalse(compatibleTouchable.wasTouched());
        touchable.touch();
        assertTrue(compatibleTouchable.wasTouched());
        assertTrue(Proxy.isProxyClass(touchable.getClass()));
    }
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    /**
     * Test if proxy generation is omitted, if types are compatible.
     */
    public void testAvoidUnnecessaryProxy() {
        final MutablePicoContainer mpc = new DefaultPicoContainer();
        mpc.registerComponent(new AssimilatingComponentAdapter(TestCase.class, new InstanceComponentAdapter(TestCase.class, this)));
        final TestCase self = (TestCase) mpc.getComponentInstanceOfType(TestCase.class);
        assertFalse(Proxy.isProxyClass(self.getClass()));
        assertSame(this, self);
    }
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    /**
     * Test if proxy generation is omitted, if types are compatible and that the component key is not changed.
     */
    public void testAvoidedProxyDoesNotChangeComponentKey() {
        final MutablePicoContainer mpc = new DefaultPicoContainer();
        mpc.registerComponent(new AssimilatingComponentAdapter(TestCase.class, new InstanceComponentAdapter(getClass(), this)));
        final TestCase self = (TestCase) mpc.getComponentInstance(getClass());
        assertNotNull(self);
        assertSame(this, self);
    }
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    protected abstract MutablePicoContainer createPicoContainer(PicoContainer parent);
    protected abstract MutablePicoContainer createPicoContainer(PicoContainer parent, LifecycleManager lifecycleManager);

    protected final MutablePicoContainer createPicoContainerWithDependsOnTouchableOnly() throws
            PicoRegistrationException, PicoIntrospectionException {
        MutablePicoContainer pico = createPicoContainer(null);
        pico.registerComponentImplementation(DependsOnTouchable.class);
        return pico;

    }
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    }

    protected final MutablePicoContainer createPicoContainerWithTouchableAndDependsOnTouchable() throws
            PicoRegistrationException, PicoIntrospectionException {
        MutablePicoContainer pico = createPicoContainerWithDependsOnTouchableOnly();
        pico.registerComponentImplementation(Touchable.class, SimpleTouchable.class);
        return pico;
    }
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                pico.getComponentInstance(DependsOnTouchable.class) instanceof DependsOnTouchable);
        assertNull("should not have non existent component", pico.getComponentAdapter(Map.class));
    }

    public void testRegistersSingleInstance() throws PicoException, PicoInitializationException {
        MutablePicoContainer pico = createPicoContainer(null);
        StringBuffer sb = new StringBuffer();
        pico.registerComponentInstance(sb);
        assertSame(sb, pico.getComponentInstance(StringBuffer.class));
    }
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        getTouchableFromSerializedContainer();

    }

    private Touchable getTouchableFromSerializedContainer() throws IOException, ClassNotFoundException {
        MutablePicoContainer pico = createPicoContainerWithTouchableAndDependsOnTouchable();
        // Add a list too, using a constant parameter
        pico.registerComponentImplementation("list", ArrayList.class, new Parameter[]{new ConstantParameter(new Integer(10))});

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(baos);

        oos.writeObject(pico);
        ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(baos.toByteArray()));

        pico = (MutablePicoContainer) ois.readObject();

        DependsOnTouchable dependsOnTouchable = (DependsOnTouchable) pico.getComponentInstance(DependsOnTouchable.class);
        assertNotNull(dependsOnTouchable);
        return (Touchable) pico.getComponentInstance(Touchable.class);
    }
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        }
    }

    public void testDuplicateRegistration() throws Exception {
        try {
            MutablePicoContainer pico = createPicoContainer(null);
            pico.registerComponentImplementation(Object.class);
            pico.registerComponentImplementation(Object.class);
            fail("Should have failed with duplicate registration");
        } catch (DuplicateComponentKeyRegistrationException e) {
            assertTrue("Wrong key", e.getDuplicateKey() == Object.class);
        }
    }
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            assertTrue("Wrong key", e.getDuplicateKey() == Object.class);
        }
    }

    public void testExternallyInstantiatedObjectsCanBeRegistgeredAndLookedUp() throws PicoException, PicoInitializationException {
        MutablePicoContainer pico = createPicoContainer(null);
        final HashMap map = new HashMap();
        pico.registerComponentInstance(Map.class, map);
        assertSame(map, pico.getComponentInstance(Map.class));
    }
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