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 $

        Reader script = new StringReader("" +
                "builder = new org.nanocontainer.script.groovy.GroovyNodeBuilder()\n" +
                "pico = builder.container(parent:parent) { \n" +
                "  component(StringBuffer)\n" +
                "}");
        PicoContainer parent = new DefaultPicoContainer();
        PicoContainer pico = buildContainer(new GroovyContainerBuilder(script, getClass().getClassLoader()), parent, "SOME_SCOPE");
        //PicoContainer.getParent() is now ImmutablePicoContainer
        assertNotSame(parent, pico.getParent());
        assertEquals(StringBuffer.class, pico.getComponentInstance(StringBuffer.class).getClass());
    }

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                "builder = new org.nanocontainer.script.groovy.GroovyNodeBuilder()\n" +
                "pico = builder.container(parent:parent) { \n" +
                "  component(key:String.class, instance:foo)\n" +
                "}");       


        PicoContainer parent = new DefaultPicoContainer();
        PicoContainer pico = buildContainer(new SubclassGroovyContainerBuilder(script, getClass().getClassLoader()), parent, "SOME_SCOPE");


    assertNotSame(parent, pico.getParent());
        assertEquals("bar", pico.getComponentInstance(String.class));
  }

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        Reader script = new StringReader("" +
                "pico = builder.container(parent:parent) { \n" +
                "  component(key:String.class, instance:'foo')\n" +
                "}");


        PicoContainer parent = new DefaultPicoContainer();
        PicoContainer pico = buildContainer(new GroovyContainerBuilder(script, getClass().getClassLoader()), parent, "SOME_SCOPE");


        assertNotSame(parent, pico.getParent());
        assertEquals("foo", pico.getComponentInstance(String.class));
    }

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                "parent.registerComponentImplementation('foo', java.lang.String)\n"  +
                "pico = new org.picocontainer.defaults.DefaultPicoContainer(parent)\n" +
                "pico.registerComponentImplementation(org.nanocontainer.script.groovy.A)\n" +
                "");


        PicoContainer parent = new DefaultPicoContainer();
        PicoContainer pico = buildContainer(new GroovyContainerBuilder(script, getClass().getClassLoader()), parent, "SOME_SCOPE");


        assertNotSame(parent, pico.getParent());
        assertNotNull(pico.getComponentInstance(A.class));
        assertNotNull(pico.getComponentInstance("foo"));

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        methodInterceptorMock.expects(once()).method("invoke");
        interceptor.intercept(null);
    }


    public void testInterceptorNotFoundInContainer() {
        MutablePicoContainer container = new DefaultPicoContainer();
        InterceptorFactory interceptorFactory = new ContainerSuppliedInterceptorFactory(container,
                "interceptorComponentKey");
        try {
            interceptorFactory.create(null);
            fail("NullPointerException should have been raised");

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        } catch (Exception e) {
        }
        System.out.println("BrownBear: Can invoke HoneyBeeHoney class' 'nonInterfaceMethod' against honey's instance? - " + invoked);
        System.out.println("BrownBear: Can leverage any implementation detail from honey instance? - false");


        subContainer = new DefaultPicoContainer();
        subContainer.registerComponentImplementation(Map.class, HashMap.class);
        subContainer.registerComponentImplementation(PicoContainer.class, DefaultPicoContainer.class);




    }

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        return makeChildContainer(new DynaopAspectsManager(), parent);
    }
    
    private MutablePicoContainer createMutablePicoContainer(Class containerClass, ComponentAdapterFactory caFactory,
                                                      PicoContainer parent) {
        MutablePicoContainer temp = new DefaultPicoContainer();
        temp.registerComponentImplementation(containerClass);
        temp.registerComponentInstance(ComponentAdapterFactory.class, caFactory);
        if (parent != null) {
            temp.registerComponentInstance(PicoContainer.class, parent);
        }
        return (MutablePicoContainer) temp.getComponentInstance(containerClass);
    }

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        MutablePicoContainer childContainer = null;
        if (parent != null) {
            parentClassLoader = parent.getComponentClassLoader();
            if ( isAttribute(attributes, COMPONENT_ADAPTER_FACTORY) ) {
                ComponentAdapterFactory componentAdapterFactory = createComponentAdapterFactory(attributes);
                childContainer = new DefaultPicoContainer(
                        decorationDelegate.decorate(componentAdapterFactory, attributes), parent.getPico());
                if ( isAttribute(attributes, COMPONENT_MONITOR) ) {
                    changeComponentMonitor(childContainer, createComponentMonitor(attributes));
                }
                parent.getPico().addChildContainer(childContainer);
            } else if ( isAttribute(attributes, COMPONENT_MONITOR) ) {
                ComponentAdapterFactory componentAdapterFactory = new DefaultComponentAdapterFactory(
                                                    createComponentMonitor(attributes));
                childContainer = new DefaultPicoContainer(
                        decorationDelegate.decorate(componentAdapterFactory, attributes), parent.getPico());
            } else {
                childContainer = parent.getPico().makeChildContainer();
            }
        } else {
            parentClassLoader = (ClassLoader) AccessController.doPrivileged(new PrivilegedAction() {
                public Object run() {
                    return PicoContainer.class.getClassLoader();
                }
            });
            ComponentAdapterFactory componentAdapterFactory = createComponentAdapterFactory(attributes);
            childContainer = new DefaultPicoContainer(
                    decorationDelegate.decorate(componentAdapterFactory, attributes));
            if ( isAttribute(attributes, COMPONENT_MONITOR) ) {
                changeComponentMonitor(childContainer, createComponentMonitor(attributes));
            }
        }

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            ((ComponentMonitorStrategy)childContainer).changeMonitor(monitor);
        }
    }


    private NanoContainer createNanoContainer(Class clazz, MutablePicoContainer decoratedPico, ClassLoader parentClassLoader) {
        DefaultPicoContainer instantiatingContainer = new DefaultPicoContainer();
        instantiatingContainer.registerComponentInstance(ClassLoader.class, parentClassLoader);
        instantiatingContainer.registerComponentInstance(MutablePicoContainer.class, decoratedPico);
        instantiatingContainer.registerComponentImplementation(NanoContainer.class, clazz);
        Object componentInstance = instantiatingContainer.getComponentInstance(NanoContainer.class);
        return (NanoContainer) componentInstance;
    }

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     */
    protected void insertAdapter(MutablePicoContainer container, Element rootElement) {
        String key = rootElement.getAttribute(KEY);
        String klass = rootElement.getAttribute(CLASS);
        try {
            DefaultPicoContainer nested = new DefaultPicoContainer();
            populateContainer(nested, rootElement);


            if (key != null) {
                container.registerComponent((ComponentAdapter) nested.getComponentInstance(key));
            } else if (klass != null) {
                Class clazz = getClassLoader().loadClass(klass);
                container.registerComponent((ComponentAdapter) nested.getComponentInstanceOfType(clazz));
            } else {
                container.registerComponent((ComponentAdapter) nested.getComponentInstanceOfType(ComponentAdapter.class));
            }
        } catch (ClassNotFoundException ex) {
            throw new NanoContainerMarkupException(ex);
        }

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