Examples with IClassTransformer javassist.build.IClassTransformer used on opensource projects

Example 1 with IClassTransformer

use of javassist.build.IClassTransformer in project javassist-maven-plugin by icon-Systemhaus-GmbH.

the class TestJavassistTransformerExecutor_TransformerClasses_handling method applyTransformation_if_shouldTransform_returns_true_and_class_has_no_stamp.

@Test
public void applyTransformation_if_shouldTransform_returns_true_and_class_has_no_stamp() throws Exception {
    // given
    final String className = oneTestClass();
    final Capture<CtClass> classCapture_shouldTransform = newInstance();
    final Capture<CtClass> classCapture_applyTransformations = newInstance();
    final IClassTransformer mockTransformer = createMock("mockTransformer", IClassTransformer.class);
    expect(mockTransformer.shouldTransform(capture(classCapture_shouldTransform))).andReturn(true);
    mockTransformer.applyTransformations(capture(classCapture_applyTransformations));
    expectLastCall().times(1);
    replay(mockTransformer);
    sut.setTransformerClasses(mockTransformer);
    // when
    sut.execute();
    // then
    verify(mockTransformer);
    assertEquals(className, classCapture_shouldTransform.getValue().getName());
    assertEquals(className, classCapture_applyTransformations.getValue().getName());
}

Example 2 with IClassTransformer

use of javassist.build.IClassTransformer in project javassist-maven-plugin by icon-Systemhaus-GmbH.

the class JavassistMojo method instantiateTransformerClasses.

/**
 * Instantiates and configures the passed transformer classes.
 *
 * @param contextClassLoader maybe {@code null}
 * @param transformerClasses maybe {@code null}
 * @return array of passed transformer class name instances and never {@code null} but maybe
 *         empty.
 * @throws Exception by
 *           {@link #instantiateTransformerClass(ClassLoader, ClassTransformerConfiguration)} and
 *           {@link #configureTransformerInstance(IClassTransformer, Properties)}
 * @see #instantiateTransformerClass(ClassLoader, ClassTransformerConfiguration)
 * @see #configureTransformerInstance(IClassTransformer, Properties)
 */
// @formatter:off
protected IClassTransformer[] instantiateTransformerClasses(final ClassLoader contextClassLoader, final ClassTransformerConfiguration... transformerClasses) throws Exception {
    // @formatter:on
    if (null == transformerClasses || transformerClasses.length <= 0) {
        throw new MojoExecutionException("Invalid transformer classes passed");
    }
    final List<IClassTransformer> transformerInstances = new LinkedList<IClassTransformer>();
    for (ClassTransformerConfiguration transformerClass : transformerClasses) {
        final IClassTransformer transformerInstance = instantiateTransformerClass(contextClassLoader, transformerClass);
        configureTransformerInstance(transformerInstance, transformerClass.getProperties());
        transformerInstances.add(transformerInstance);
    }
    return transformerInstances.toArray(new IClassTransformer[transformerInstances.size()]);
}

Example 3 with IClassTransformer

use of javassist.build.IClassTransformer in project javassist-maven-plugin by icon-Systemhaus-GmbH.

the class TestJavassistTransformerExecutor_TransformerClasses_handling method not_applyTransformation_if_shouldTransform_returns_false.

@Test
public void not_applyTransformation_if_shouldTransform_returns_false() throws Exception {
    // given
    final String className = oneTestClass();
    final Capture<CtClass> classCapture_shouldTransform = newInstance();
    final IClassTransformer mockTransformer = createMock("mockTransformer", IClassTransformer.class);
    expect(mockTransformer.shouldTransform(capture(classCapture_shouldTransform))).andReturn(false);
    replay(mockTransformer);
    sut.setTransformerClasses(mockTransformer);
    // when
    sut.execute();
    // then
    verify(mockTransformer);
    assertEquals(className, classCapture_shouldTransform.getValue().getName());
}