Examples of org.apache.commons.discovery.resource.ClassLoaders

Package org.apache.commons.discovery.resource

Examples of org.apache.commons.discovery.resource.ClassLoaders

org.apache.commons.discovery.resource.ClassLoaders
There are many different contexts in which loaders can be used. This provides a holder for a set of class loaders, so that they don't have to be build back up everytime...

    }
    
    public void testFindResources() {
        org.apache.commons.discovery.log.SimpleLog.setLevel(logLevel);


        ClassLoaders loaders = new ClassLoaders();


        /**
         * To many class loaders when searching for multiple
         * resources means that we can find the same (same URL)
         * resource for each loader...
         * let's keep this to a minimum.
         */
        ClassLoader cl = getClass().getClassLoader();
        if (cl != null)
            loaders.put(getClass().getClassLoader(), true);
        else
            loaders.put(JDKHooks.getJDKHooks().getSystemClassLoader(), true);
        


        String name = "testResource";
        
        String partialPaths[] = { "/test/", "/testAlt1/", "/testAlt2/" };

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    }


    public void testViaDiscoverClass() {
        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);

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        }
    }


    @Test
    public void lowLevelFind() {
        ClassLoaders loaders = ClassLoaders.getAppLoaders(TestInterface2.class, getClass(), false);
        String name = "org.apache.commons.discovery.test.TestImpl2_1";


        DiscoverClasses<TestInterface2> discovery = new DiscoverClasses<TestInterface2>(loaders);
        ResourceClassIterator<TestInterface2> iter = discovery.findResourceClasses(name);
        while (iter.hasNext()) {

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        fail("failed to load class resource: " + name);
    }


    @Test
    public void findResources() {
        ClassLoaders loaders = new ClassLoaders();


        /*
         * To many class loaders when searching for multiple
         * resources means that we can find the same (same URL)
         * resource for each loader...
         * let's keep this to a minimum.
         */
        ClassLoader cl = getClass().getClassLoader();
        if (cl != null) {
            loaders.put(getClass().getClassLoader(), true);
        } else {
            loaders.put(JDKHooks.getJDKHooks().getSystemClassLoader(), true);
        }


        String name = "testResource";


        String partialPaths[] = { "/test-classes/", "/testAlt1/", "/testAlt2/" };

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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);

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        assertEquals("org.apache.commons.discovery.test.TestImpl2_1", implClass.getName());
    }


    @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);

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    }


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


        DiscoverClass discoverClass = new DiscoverClass(loaders);
        TestInterface2 serviceImpl = discoverClass.newInstance(TestInterface2.class);


        assertNotNull(serviceImpl);

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    /**
     * Construct a new resource discoverer
     */
    public ResourceClassDiscoverImpl() {
        this(new ClassLoaders());
    }

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    }




    private boolean resolveLifecycleProviderFromService(ExternalContext externalContext) {
        ClassLoader classLoader = ClassUtils.getContextClassLoader();
        ClassLoaders loaders = new ClassLoaders();
        loaders.put(classLoader);
        DiscoverServiceNames dsn = new DiscoverServiceNames(loaders);
        ResourceNameIterator iter = dsn.findResourceNames(LIFECYCLE_PROVIDER);
        while (iter.hasNext()) {
            String className = iter.nextResourceName();
            try

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    }


    public void testLowLevelFind() {
        org.apache.commons.discovery.log.SimpleLog.setLevel(logLevel);


        ClassLoaders loaders = ClassLoaders.getAppLoaders(TestInterface2.class, getClass(), false);
        String name = "org.apache.commons.discovery.test.TestImpl2_1";
        
        DiscoverClasses discovery = new DiscoverClasses(loaders);
        ResourceClassIterator iter = discovery.findResourceClasses(name);
        while (iter.hasNext()) {

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