Examples of org.picocontainer.defaults.DefaultPicoContainer

org.picocontainer.defaults.DefaultPicoContainer

The Standard {@link PicoContainer}/ {@link MutablePicoContainer} implementation.Constructing a container c with a parent p container will cause c to look up components in p if they cannot be found inside c itself.

Using {@link Class} objects as keys to the various registerXXX() methods makesa subtle semantic difference:

If there are more than one registered components of the same type and one of them are registered with a {@link java.lang.Class} key of the corresponding type, this componentwill take precedence over other components during type resolution.

Another place where keys that are classes make a subtle difference is in {@link org.picocontainer.alternatives.ImplementationHidingComponentAdapter}.
@author Paul Hammant @author Aslak Hellesøy @author Jon Tirsén @author Thomas Heller @version $Revision: 1.8 $

        assertNotNull(comps);
        assertEquals(1, comps.size());
    }


    public void testDelegationOfGetComponentAdaptersOfType() {
        DefaultPicoContainer mpc = new DefaultPicoContainer();
        mpc.registerComponentImplementation(Map.class, HashMap.class);
        ImmutablePicoContainer ipc = new ImmutablePicoContainer(mpc);
        List comps = ipc.getComponentAdaptersOfType(Map.class);
        assertNotNull(comps);
        assertEquals(1, comps.size());
    }

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        assertFalse(oldMan.hashCode() == newMan.hashCode());
        assertFalse(newMan.hashCode() == man.hashCode());
    }


    public void testHighLevelCheating() {
        MutablePicoContainer pico = new DefaultPicoContainer(createComponentAdapterFactory());


        // Register two classes with mutual dependencies in the constructor (!!!)
        pico.registerComponentImplementation(Wife.class);
        pico.registerComponentImplementation(Husband.class);


        Woman wife = (Woman) pico.getComponentInstance(Wife.class);
        Man man = (Man) pico.getComponentInstance(Husband.class);


        assertSame(man, wife.getMan());
        assertSame(wife, man.getWoman());


        // Let the wife use another (single) man

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            return null;
        }
    }


    public void testDelegationOfVerify() {
        DefaultPicoContainer mpc = new DefaultPicoContainer();
        mpc.registerComponentImplementation(Iterator.class, UnsatisfiableIterator.class);
        ImmutablePicoContainer ipc = new ImmutablePicoContainer(mpc);
        try {
            new VerifyingVisitor().traverse(ipc);;
            fail("wrong!");
        } catch (PicoVerificationException e) {

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            // expected
        }
    }


    public void testGetParentForMutable() {
        DefaultPicoContainer par = new DefaultPicoContainer();
        DefaultPicoContainer mpc = new DefaultPicoContainer(par);
        mpc.registerComponentImplementation(Map.class, HashMap.class);
        ImmutablePicoContainer ipc = new ImmutablePicoContainer(mpc);
        PicoContainer parent = ipc.getParent();
        assertNotNull(parent);
        assertNotSame(par, parent);
        PicoContainer parent2 = ipc.getParent();

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        assertNotNull(parent2);
        assertEquals(parent, parent2);
    }


    public void testGetParentForNonMutable() {
        DefaultPicoContainer par = new DefaultPicoContainer();
        ImmutablePicoContainer par2 = new ImmutablePicoContainer(par);
        DefaultPicoContainer mpc = new DefaultPicoContainer(par2);
        mpc.registerComponentImplementation(Map.class, HashMap.class);
        ImmutablePicoContainer ipc = new ImmutablePicoContainer(mpc);
        PicoContainer parent = ipc.getParent();
        assertNotNull(parent);
        assertNotSame(par, parent);
        PicoContainer parent2 = ipc.getParent();

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        assertTrue(newMan.wasKissed());


    }


    public void testBigamy() {
        DefaultPicoContainer pico = new DefaultPicoContainer(new HotSwappingComponentAdapterFactory(new ConstructorInjectionComponentAdapterFactory()));
        pico.registerComponentImplementation(Woman.class, Wife.class);
        Woman firstWife = (Woman) pico.getComponentInstance(Woman.class);
        Woman secondWife = (Woman) pico.getComponentInstance(Woman.class);
        assertNotSame(firstWife, secondWife);


    }

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        assertNotNull(parent2);
        assertEquals(parent, parent2);
    }


    public void testStartBarfs() {
        DefaultPicoContainer mpc = new DefaultPicoContainer();
        mpc.registerComponentImplementation(Map.class, HashMap.class);
        ImmutablePicoContainer ipc = new ImmutablePicoContainer(mpc);
        try {
            ipc.start();
            fail("should have barfed");
        } catch (UnsupportedOperationException e) {

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            // expected
        }
    }


    public void testStopBarfs() {
        DefaultPicoContainer mpc = new DefaultPicoContainer();
        mpc.registerComponentImplementation(Map.class, HashMap.class);
        ImmutablePicoContainer ipc = new ImmutablePicoContainer(mpc);
        try {
            ipc.stop();
            fail("stop have barfed");
        } catch (UnsupportedOperationException e) {

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        }
    }


    public void testIHCAFwithCTORandNoCaching() {
        // http://lists.codehaus.org/pipermail/picocontainer-dev/2004-January/001985.html
        MutablePicoContainer pico = new DefaultPicoContainer();
        pico.registerComponent(new HotSwappingComponentAdapter(new ConstructorInjectionComponentAdapter("l", ArrayList.class)));


        List list1 = (List) pico.getComponentInstance("l");
        List list2 = (List) pico.getComponentInstance("l");


        assertNotSame(list1, list2);
        assertFalse(list1 instanceof ArrayList);


        list1.add("Hello");

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            // expected
        }
    }


    public void testDisposeBarfs() {
        DefaultPicoContainer mpc = new DefaultPicoContainer();
        mpc.registerComponentImplementation(Map.class, HashMap.class);
        ImmutablePicoContainer ipc = new ImmutablePicoContainer(mpc);
        try {
            ipc.dispose();
            fail("should have barfed");
        } catch (UnsupportedOperationException e) {

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