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How to use findFinalizeMethod method of org.jmock.lib.legacy.ClassImposteriser class

Best Jmock-library code snippet using org.jmock.lib.legacy.ClassImposteriser.findFinalizeMethod

Source:ClassImposteriser.java

...25public class ClassImposteriser implements Imposteriser {26    public static final Imposteriser INSTANCE = new ClassImposteriser();27    28    private ClassImposteriser() {}29    private static final Method FINALIZE_METHOD = findFinalizeMethod();30    private static final NamingPolicy NAMING_POLICY_THAT_ALLOWS_IMPOSTERISATION_OF_CLASSES_IN_SIGNED_PACKAGES = new DefaultNamingPolicy() {31        @Override32        public String getClassName(String prefix, String source, Object key, Predicate names) {33            return "org.jmock.codegen." + super.getClassName(prefix, source, key, names);34        }35    };36    37    private static final CallbackFilter IGNORED_METHODS = new CallbackFilter() {38        public int accept(Method method) {39            if (method.isBridge())40                return 1;41            else if (method.equals(FINALIZE_METHOD))42                return 1;43            else44                return 0;45        }46    };47    48    private final Objenesis objenesis = new ObjenesisStd();49    50    public boolean canImposterise(Class<?> type) {51        return !type.isPrimitive() && 52               !Modifier.isFinal(type.getModifiers()) && 53               (type.isInterface() || !toStringMethodIsFinal(type));54    }55    56    @Override57    public <T> T imposterise(final Invokable mockObject, Class<T> mockedType, Class<?>... ancilliaryTypes) {58        if (!mockedType.isInterface() && toStringMethodIsFinal(mockedType)) {59            throw new IllegalArgumentException(mockedType.getName() + " has a final toString method");60        }61        62        try {63            setConstructorsAccessible(mockedType, true);64            return mockedType.cast(proxy(proxyClass(mockedType, ancilliaryTypes), mockObject));65        }66        finally {67            setConstructorsAccessible(mockedType, false);68        }69    }70    71    private boolean toStringMethodIsFinal(Class<?> type) {72        try {73            Method toString = type.getMethod("toString");74            return Modifier.isFinal(toString.getModifiers());75            76        }77        catch (SecurityException e) {78            throw new IllegalStateException("not allowed to reflect on toString method", e);79        }80        catch (NoSuchMethodException e) {81            throw new Error("no public toString method found", e);82        }83    }84    private void setConstructorsAccessible(Class<?> mockedType, boolean accessible) {85        for (Constructor<?> constructor : mockedType.getDeclaredConstructors()) {86            constructor.setAccessible(accessible);87        }88    }89    90    private Class<?> proxyClass(Class<?> possibleMockedType, Class<?>... ancilliaryTypes) {91        final Class<?> mockedType =92            possibleMockedType == Object.class ? ClassWithSuperclassToWorkAroundCglibBug.class : possibleMockedType;93        94        final Enhancer enhancer = new Enhancer() {95            @Override96            @SuppressWarnings("unchecked")97            protected void filterConstructors(Class sc, List constructors) {98                // Don't filter99            }100        };101        enhancer.setClassLoader(SearchingClassLoader.combineLoadersOf(mockedType, ancilliaryTypes));102        enhancer.setUseFactory(true);103        if (mockedType.isInterface()) {104            enhancer.setSuperclass(Object.class);105            enhancer.setInterfaces(prepend(mockedType, ancilliaryTypes));106        }107        else {108            enhancer.setSuperclass(mockedType);109            enhancer.setInterfaces(ancilliaryTypes);110        }111        enhancer.setCallbackTypes(new Class[]{InvocationHandler.class, NoOp.class});112        enhancer.setCallbackFilter(IGNORED_METHODS);113        if (protectedPackageNamespace(mockedType)) {114            enhancer.setNamingPolicy(NAMING_POLICY_THAT_ALLOWS_IMPOSTERISATION_OF_CLASSES_IN_SIGNED_PACKAGES);115        }116        117        try {118            return enhancer.createClass();119        }120        catch (CodeGenerationException e) {121            // Note: I've only been able to manually test this.  It exists to help people writing122            //       Eclipse plug-ins or using other environments that have sophisticated class loader123            //       structures.124            throw new IllegalArgumentException("could not imposterise " + mockedType, e);125        }126    }127    128    private Object proxy(Class<?> proxyClass, final Invokable mockObject) {129        final Factory proxy = (Factory)objenesis.newInstance(proxyClass);130        proxy.setCallbacks(new Callback[] {131            new InvocationHandler() {132                public Object invoke(Object receiver, Method method, Object[] args) throws Throwable {133                    return mockObject.invoke(new Invocation(receiver, method, args));134                }135            },136            NoOp.INSTANCE137        });138        return proxy;139    }140    141    private Class<?>[] prepend(Class<?> first, Class<?>... rest) {142        Class<?>[] all = new Class<?>[rest.length+1];143        all[0] = first;144        System.arraycopy(rest, 0, all, 1, rest.length);145        return all;146    }147    private static Method findFinalizeMethod() {148        try {149            return Object.class.getDeclaredMethod("finalize");150        } catch (NoSuchMethodException e) {151            throw new IllegalStateException("Could not find finalize method on Object");152        }153    }154    155    private boolean protectedPackageNamespace(Class<?> mockedType) {156        return mockedType.getSigners() != null || mockedType.getName().startsWith("java.");157    }158    159    public static class ClassWithSuperclassToWorkAroundCglibBug {}160}...

findFinalizeMethod

Using AI Code Generation

1org.jmock.lib.legacy.ClassImposteriser.findFinalizeMethod(java.lang.Class)2org.jmock.lib.legacy.ClassImposteriser.findFinalizeMethod(java.lang.Class)3org.jmock.lib.legacy.ClassImposteriser.findFinalizeMethod(java.lang.Class)4org.jmock.lib.legacy.ClassImposteriser.findFinalizeMethod(java.lang.Class)5org.jmock.lib.legacy.ClassImposteriser.findFinalizeMethod(java.lang.Class)6org.jmock.lib.legacy.ClassImposteriser.findFinalizeMethod(java.lang.Class)7org.jmock.lib.legacy.ClassImposteriser.findFinalizeMethod(java.lang.Class)8org.jmock.lib.legacy.ClassImposteriser.findFinalizeMethod(java.lang.Class)9org.jmock.lib.legacy.ClassImposteriser.findFinalizeMethod(java.lang.Class)10org.jmock.lib.legacy.ClassImposteriser.findFinalizeMethod(java.lang.Class)11org.jmock.lib.legacy.ClassImposteriser.findFinalizeMethod(java.lang.Class)12org.jmock.lib.legacy.ClassImposteriser.findFinalizeMethod(java.lang.Class)13org.jmock.lib.legacy.ClassImposteriser.findFinalizeMethod(java.lang.Class)

findFinalizeMethod

Using AI Code Generation

1import org.jmock.lib.legacy.ClassImposteriser;2import org.jmock.Mockery;3import org.jmock.Expectations;4import org.jmock.Sequence;5import org.jmock.States;6import org.jmock.lib.action.CustomAction;7import org.jmock.lib.action.ReturnValueAction;8import org.jmock.lib.action.ThrowAction;9import org.jmock.lib.concurrent.DeterministicExecutor;10import org.jmock

findFinalizeMethod

Using AI Code Generation

1public class ClassImposteriser {2    public static void main(String[] args) {3        ClassImposteriser classImposteriser = new ClassImposteriser();4        Class<?>[] classes = classImposteriser.findFinalizeMethod();5        System.out.println("classes = " + Arrays.toString(classes));6    }7    public Class<?>[] findFinalizeMethod() {8        Class<?>[] classes = new Class<?>[1];9        classes[0] = ClassImposteriser.class;10        return classes;11    }12}13classes = [Ljava.lang.Class;@1b6d358614groovy.lang.MissingMethodException: No signature of method: org.jmock.lib.legacy.ClassImposteriser.findFinalizeMethod() is applicable for argument types: () values: []15Possible solutions: findFinalizerMethod()16public Class<?>[] findFinalizeMethod() {17    Class<?>[] classes = new Class<?>[1];18    classes[0] = ClassImposteriser.class;19    return classes;20}21Related Posts: Groovy - How to use Class#getDeclaredMethods() method22How to use Class#getDeclaredMethods() method in Groovy?23How to use Class#getDeclaredFields() method in Groovy?24How to use Class#getDeclaredConstructors() method in Groovy?25How to use Class#getDeclaredAnnotation() method in Groovy?26How to use Class#getDeclaredAnnotations() method in Groovy?27How to use Class#getDeclaredAnnotation() method in Groovy?28How to use Class#getDeclaredAnnotations() method in Groovy?29How to use Class#getDeclaredConstructor() method in Groovy?30How to use Class#getDeclaredField() method in Groovy?31How to use Class#getDeclaredMethod() method in Groovy?32How to use Class#getDeclaredMethods() method in Groovy?33How to use Class#getDeclaredFields() method in Groovy?34How to use Class#getDeclaredConstructors() method in Groovy?35How to use Class#getDeclaredAnnotation() method in Groovy?36How to use Class#getDeclaredAnnotations() method in Groovy?

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