Examples of org.apache.tapestry.services.ClassTransformation

org.apache.tapestry.services.ClassTransformation
Contains class-specific information used when transforming an raw class into an executable class. Much of this information is somewhat like ordinary reflection, but applies to a class that has not yet been loaded.
Transformation is primarily about identifying annotations on fields and on methods and changing the class, adding new interfaces, fields and methods, and deleting some existing fields.
A ClassTransformation contains all the state data specific to a particular class being transformed. A number of workers will operate upon the ClassTransformation to effect the desired changes before the true class is loaded into memory.
Instances of this class are not designed to be thread safe, access to an instance should be restricted to a single thread. In fact, the design of this type is to allow stateless singletons in multiple threads to work on thread-specific data (within the ClassTransformation).
The majority of methods concern the declared members (field and methods) of a specific class, rather than any fields or methods inherited from a base class.

    {
        Log log = mockLog();


        replay();


        ClassTransformation ct = createClassTransformation(CheckFieldType.class, log);


        assertEquals(ct.getFieldModifiers("_privateField"), Modifier.PRIVATE);
        assertEquals(ct.getFieldModifiers("_map"), Modifier.PRIVATE + Modifier.FINAL);
    }

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    {
        Log log = mockLog();


        replay();


        ClassTransformation ct = createClassTransformation(CheckFieldType.class, log);


        assertTrue(ct.isField("_privateField"));
        assertFalse(ct.isField("_doesNotExist"));


        verify();
    }

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    {
        Log log = mockLog();


        replay();


        ClassTransformation ct = createClassTransformation(FindFieldClass.class, log);


        ct.claimField("_booleanValue", this);


        checkFindFields(ct, "boolean");


        verify();
    }

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    {
        Log log = mockLog();


        replay();


        ClassTransformation ct = createClassTransformation(ParentClass.class, log);


        ct.claimField("_annotatedField", this);


        List<String> fields = ct.findFieldsWithAnnotation(Retain.class);


        assertTrue(fields.isEmpty());


        verify();
    }

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    {
        Log log = mockLog();


        replay();


        ClassTransformation ct = createClassTransformation(ParentClass.class, log);


        List<String> fields = ct.findFieldsWithAnnotation(Documented.class);


        assertTrue(fields.isEmpty());


        verify();
    }

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    {
        Log log = mockLog();


        replay();


        ClassTransformation ct = createClassTransformation(ClaimedFields.class, log);


        List<String> unclaimed = ct.findUnclaimedFields();


        assertEquals(unclaimed, asList("_field1", "_field4", "_zzfield"));


        ct.claimField("_field4", "Fred");


        unclaimed = ct.findUnclaimedFields();


        assertEquals(unclaimed, asList("_field1", "_zzfield"));


        try
        {
            ct.claimField("_field4", "Barney");
            unreachable();
        }
        catch (RuntimeException ex)
        {
            assertEquals(

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    public void annotation_has_value()
    {
        ObjectProvider provider = mockObjectProvider();
        ObjectLocator locator = mockObjectLocator();
        Inject annotation = newMock(Inject.class);
        ClassTransformation ct = mockClassTransformation();
        MutableComponentModel model = mockMutableComponentModel();
        Request injected = mockRequest();


        train_findFieldsWithAnnotation(ct, Inject.class, "myfield");
        train_getFieldAnnotation(ct, "myfield", Inject.class, annotation);


        train_getFieldType(ct, "myfield", WEBREQUEST_CLASS_NAME);
        train_toClass(ct, WEBREQUEST_CLASS_NAME, Request.class);


        expect(provider.provide(eq(Request.class), isA(AnnotationProvider.class), eq(locator)))
                .andReturn(injected);


        ct.injectField("myfield", injected);


        ct.claimField("myfield", annotation);


        replay();


        InjectWorker worker = new InjectWorker(provider, locator);

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    public void provide_object_fails()
    {
        ObjectProvider provider = mockObjectProvider();
        ObjectLocator locator = mockObjectLocator();
        Inject annotation = newMock(Inject.class);
        ClassTransformation ct = mockClassTransformation();
        MutableComponentModel model = mockMutableComponentModel();
        Throwable cause = new RuntimeException("Injection failed.");


        train_findFieldsWithAnnotation(ct, Inject.class, "myfield");
        train_getFieldAnnotation(ct, "myfield", Inject.class, annotation);

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public class ComponentLifecycleMethodWorkerTest extends TapestryTestCase
{
    @Test
    public void no_methods_with_annotation()
    {
        ClassTransformation tf = mockClassTransformation();
        MutableComponentModel model = mockMutableComponentModel();


        MethodSignature sig = new MethodSignature("someRandomMethod");


        train_findMethods(tf, sig);

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    }


    @Test
    public void added_lifecycle_method_is_ignored()
    {
        ClassTransformation tf = mockClassTransformation();
        MutableComponentModel model = mockMutableComponentModel();


        train_findMethods(tf, TransformConstants.SETUP_RENDER_SIGNATURE);


        replay();

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org.apache.tapestry.internal.services.ApplicationStateWorkerTest

org.apache.tapestry.internal.services.AssetInjectionProviderTest

org.apache.tapestry.internal.services.BlockInjectionProviderTest

org.apache.tapestry.internal.services.ComponentLifecycleMethodWorkerTest

org.apache.tapestry.internal.services.ContentTypeWorkerTest

org.apache.tapestry.internal.services.DefaultInjectionProviderTest

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org.apache.tapestry.internal.services.InjectBlockWorkerTest

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