Examples of org.apache.tapestry.ioc.ObjectProvider.provide()

Class org.apache.tapestry.ioc.ObjectProvider

Examples of org.apache.tapestry.ioc.ObjectProvider.provide()

org.apache.tapestry.ioc.ObjectProvider.provide()
Provides an object based on an expression. The process of providing objects occurs within a particular context, which will typically be a service builder method, service contributor method, or service decorator method. The locator parameter provides access to the services visible to that context. @param objectType the expected object type @param annotationProvider provides access to annotations (typically, the field or parameter to which an injection-related annotation is attached); annotations on the field or parameter may also be used when resolving the desired object @param locator locator for the context in which the provider is being used @param < T> @return the requested object, or null if this object provider can not supply an object @throws RuntimeException if the expression can not be evaluated, or the type of object identified is not assignable to the type specified by the objectType parameter


        replay();


        ObjectProvider provider = new AssetObjectProvider(source, threadLocale, root);


        Asset result = provider.provide(path, Asset.class, locator);


        assertSame(result, asset);


        verify();
    }

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        ObjectProvider provider = alias.getObjectProvider();


        try
        {
            provider.provide("expression", Runnable.class, locator);
            unreachable();
        }
        catch (RuntimeException ex)
        {
            assertEquals(ex.getMessage(), ServicesMessages.aliasModeNotSet());

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        // Do not assume that infra and provider are the same;
        // that's an implementation choice.


        ObjectProvider provider = alias.getObjectProvider();


        Runnable actual = provider.provide(property, Runnable.class, locator);


        assertSame(actual, r);


        verify();
    }

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        alias.setMode(mode);


        ObjectProvider provider = alias.getObjectProvider();


        Runnable actual = provider.provide(property, Runnable.class, locator);


        assertSame(actual, overrideRunnable);


        verify();
    }

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        // Do not assume that infra and provider are the same;
        // that's an implementation choice.


        ObjectProvider provider = alias.getObjectProvider();


        Runnable actual1 = provider.provide(property, Runnable.class, locator);
        Runnable actual2 = provider.provide(property, Runnable.class, locator);


        assertSame(actual1, r);
        assertSame(actual2, r);

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        // that's an implementation choice.


        ObjectProvider provider = alias.getObjectProvider();


        Runnable actual1 = provider.provide(property, Runnable.class, locator);
        Runnable actual2 = provider.provide(property, Runnable.class, locator);


        assertSame(actual1, r);
        assertSame(actual2, r);


        verify();

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        ObjectProvider provider = alias.getObjectProvider();


        try
        {
            provider.provide("someexpression", Runnable.class, locator);
            unreachable();
        }
        catch (RuntimeException ex)
        {
            assertEquals(

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        ObjectProvider provider = alias.getObjectProvider();


        try
        {
            provider.provide(property, UpdateListenerHub.class, locator);
            unreachable();
        }
        catch (RuntimeException ex)
        {
            assertEquals(ex.getMessage(), ServicesMessages.aliasPropertyWrongType(

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        ObjectProvider masterProvider = getService(
                IOCConstants.MASTER_OBJECT_PROVIDER_SERVICE_ID,
                ObjectProvider.class);


        return masterProvider.provide(reference, objectType, locator);
    }


    public <T> T getObject(String reference, Class<T> objectType)
    {
        _lock.check();

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        replay();


        ObjectProvider master = new MasterObjectProvider(newMap("prefix", provider), source, null);


        Runnable actual = master.provide("prefix:expression", Runnable.class, locator);


        assertSame(actual, r);


        verify();
    }

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