Examples of org.apache.commons.discovery.tools.DiscoverClass.find()

Package org.apache.commons.discovery.tools

Class org.apache.commons.discovery.tools.DiscoverClass

Examples of org.apache.commons.discovery.tools.DiscoverClass.find()

org.apache.commons.discovery.tools.DiscoverClass.find()
Find class implementing SPI. @param < T> The SPI type @param < S> Any class extending T @param spiClass Service Provider Interface Class. @return Class implementing the SPI. @exception DiscoveryException Thrown if the name of a class implementingthe SPI cannot be found, if the class cannot be loaded, or if the resulting class does not implement (or extend) the SPI.

        org.apache.commons.discovery.log.SimpleLog.setLevel(logLevel);


        ClassLoaders loaders = ClassLoaders.getAppLoaders(TestInterface2.class, getClass(), false);
        
        DiscoverClass discover = new DiscoverClass(loaders);
        Class implClass = discover.find(TestInterface2.class);
        
        assertTrue("Failed to find an implementation class", implClass != null);
        assertEquals("org.apache.commons.discovery.test.TestImpl2_1", implClass.getName());
        
    }

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    @Test
    public void findViaDiscoverClass() {
        ClassLoaders loaders = ClassLoaders.getAppLoaders(TestInterface2.class, getClass(), false);


        DiscoverClass discover = new DiscoverClass(loaders);
        Class<? extends TestInterface2> implClass = discover.find(TestInterface2.class);


        assertTrue("Failed to find an implementation class", implClass != null);
        assertEquals("org.apache.commons.discovery.test.TestImpl2_1", implClass.getName());
    }

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    @Test
    public void findInnerImplViaDiscoverClass() {
        ClassLoaders loaders = ClassLoaders.getAppLoaders(TestInterface3.class, getClass(), false);


        DiscoverClass discover = new DiscoverClass(loaders);
        Class<? extends TestInterface3> implClass = discover.find(TestInterface3.class);


        assertTrue("Failed to find an implementation class", implClass != null);
        assertEquals("org.apache.commons.discovery.test.TestImpl3$InnerTestImpl", implClass.getName());


    }

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                                                         String id )
    {
        try
        {
            DiscoverClass discoverer = new DiscoverClass();
            Class factoryClass = discoverer.find( ControlFactory.class, DEFAULT_FACTORY_CLASS );
            ControlFactory factory = (ControlFactory)factoryClass.newInstance();
            return factory.instantiate( beanClass, props, context, id );
        }
        catch ( Exception e )
        {

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        org.apache.commons.discovery.log.SimpleLog.setLevel(logLevel);


        ClassLoaders loaders = ClassLoaders.getAppLoaders(TestInterface2.class, getClass(), false);
        
        DiscoverClass discover = new DiscoverClass(loaders);
        Class implClass = discover.find(TestInterface2.class);
        
        assertTrue("Failed to find an implementation class", implClass != null);
        assertEquals("org.apache.commons.discovery.test.TestImpl2_1", implClass.getName());
        
    }

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        // Create the context that acts as the BeanContextProxy for this bean (the context that this bean _defines_).
        try
        {
            DiscoverClass discoverer = new DiscoverClass();
            Class factoryClass = discoverer.find(ControlBeanContextFactory.class, DefaultControlBeanContextFactory.class.getName());
            ControlBeanContextFactory factory = (ControlBeanContextFactory)factoryClass.newInstance();
            _cbc = factory.instantiate(this);
        }
        catch (Exception e) {
            throw new ControlException("Exception creating ControlBeanContext", e);

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                                                         String id )
    {
        try
        {
            DiscoverClass discoverer = new DiscoverClass();
            Class factoryClass = discoverer.find( ControlFactory.class, DEFAULT_FACTORY_CLASS );
            ControlFactory factory = (ControlFactory)factoryClass.newInstance();
            return factory.instantiate( beanClass, props, context, id );
        }
        catch ( Exception e )
        {

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                                                         String id )
    {
        try
        {
            DiscoverClass discoverer = new DiscoverClass();
            Class factoryClass = discoverer.find( ControlFactory.class, DEFAULT_FACTORY_CLASS );
            ControlFactory factory = (ControlFactory)factoryClass.newInstance();
            return factory.instantiate( beanClass, props, context, id );
        }
        catch ( Exception e )
        {

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        // Create the context that acts as the BeanContextProxy for this bean (the context that this bean _defines_).
        try
        {
            DiscoverClass discoverer = new DiscoverClass();
            Class factoryClass =
                discoverer.find(ControlBeanContextFactory.class, DefaultControlBeanContextFactory.class.getName());


            return (ControlBeanContextFactory)factoryClass.newInstance();
        }
        catch (Exception e) {
            throw new ControlException("Exception creating ControlBeanContext", e);

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