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How to use registerTypeVariablesOn method of org.mockito.internal.util.reflection.GenericMetadataSupport class

Best Mockito code snippet using org.mockito.internal.util.reflection.GenericMetadataSupport.registerTypeVariablesOn

Source:GenericMetadataSupport.java

...64     */65    protected Map<TypeVariable, Type> contextualActualTypeParameters = new HashMap<TypeVariable, Type>();666768    protected void registerTypeVariablesOn(Type classType) {69        if (!(classType instanceof ParameterizedType)) {70            return;71        }72        ParameterizedType parameterizedType = (ParameterizedType) classType;73        TypeVariable[] typeParameters = ((Class<?>) parameterizedType.getRawType()).getTypeParameters();74        Type[] actualTypeArguments = parameterizedType.getActualTypeArguments();75        for (int i = 0; i < actualTypeArguments.length; i++) {76            TypeVariable typeParameter = typeParameters[i];77            Type actualTypeArgument = actualTypeArguments[i];7879            if (actualTypeArgument instanceof WildcardType) {80                contextualActualTypeParameters.put(typeParameter, boundsOf((WildcardType) actualTypeArgument));81            } else {82                contextualActualTypeParameters.put(typeParameter, actualTypeArgument);83            }84            // logger.log("For '" + parameterizedType + "' found type variable : { '" + typeParameter + "(" + System.identityHashCode(typeParameter) + ")" + "' : '" + actualTypeArgument + "(" + System.identityHashCode(typeParameter) + ")" + "' }");85        }86    }8788    protected void registerTypeParametersOn(TypeVariable[] typeParameters) {89        for (TypeVariable typeParameter : typeParameters) {90            contextualActualTypeParameters.put(typeParameter, boundsOf(typeParameter));91            // logger.log("For '" + typeParameter.getGenericDeclaration() + "' found type variable : { '" + typeParameter + "(" + System.identityHashCode(typeParameter) + ")" + "' : '" + boundsOf(typeParameter) + "' }");92        }93    }9495    /**96     * @param typeParameter The TypeVariable parameter97     * @return A {@link BoundedType} for easy bound information, if first bound is a TypeVariable98     *         then retrieve BoundedType of this TypeVariable99     */100    private BoundedType boundsOf(TypeVariable typeParameter) {101        if (typeParameter.getBounds()[0] instanceof TypeVariable) {102            return boundsOf((TypeVariable) typeParameter.getBounds()[0]);103        }104        return new TypeVarBoundedType(typeParameter);105    }106107    /**108     * @param wildCard The WildCard type109     * @return A {@link BoundedType} for easy bound information, if first bound is a TypeVariable110     *         then retrieve BoundedType of this TypeVariable111     */112    private BoundedType boundsOf(WildcardType wildCard) {113        /*114         *  According to JLS(http://docs.oracle.com/javase/specs/jls/se5.0/html/typesValues.html#4.5.1):115         *  - Lower and upper can't coexist: (for instance, this is not allowed: <? extends List<String> & super MyInterface>)116         *  - Multiple bounds are not supported (for instance, this is not allowed: <? extends List<String> & MyInterface>)117         */118119        WildCardBoundedType wildCardBoundedType = new WildCardBoundedType(wildCard);120        if (wildCardBoundedType.firstBound() instanceof TypeVariable) {121            return boundsOf((TypeVariable) wildCardBoundedType.firstBound());122        }123124        return wildCardBoundedType;125    }126127128129    /**130     * @return Raw type of the current instance.131     */132    public abstract Class<?> rawType();133134135136    /**137     * @return Returns extra interfaces <strong>if relevant</strong>, otherwise empty List.138     */139    public List<Type> extraInterfaces() {140        return Collections.emptyList();141    }142143    /**144     * @return Returns an array with the raw types of {@link #extraInterfaces()} <strong>if relevant</strong>.145     */146    public Class<?>[] rawExtraInterfaces() {147        return new Class[0];148    }149150151152    /**153     * @return Actual type arguments matching the type variables of the raw type represented by this {@link GenericMetadataSupport} instance.154     */155    public Map<TypeVariable, Type> actualTypeArguments() {156        TypeVariable[] typeParameters = rawType().getTypeParameters();157        LinkedHashMap<TypeVariable, Type> actualTypeArguments = new LinkedHashMap<TypeVariable, Type>();158159        for (TypeVariable typeParameter : typeParameters) {160161            Type actualType = getActualTypeArgumentFor(typeParameter);162163            actualTypeArguments.put(typeParameter, actualType);164            // logger.log("For '" + rawType().getCanonicalName() + "' returning explicit TypeVariable : { '" + typeParameter + "(" + System.identityHashCode(typeParameter) + ")" + "' : '" + actualType +"' }");165        }166167        return actualTypeArguments;168    }169170    protected Type getActualTypeArgumentFor(TypeVariable typeParameter) {171        Type type = this.contextualActualTypeParameters.get(typeParameter);172        if (type instanceof TypeVariable) {173            TypeVariable typeVariable = (TypeVariable) type;174            return getActualTypeArgumentFor(typeVariable);175        }176177        return type;178    }179180181182    /**183     * Resolve current method generic return type to a {@link GenericMetadataSupport}.184     *185     * @param method Method to resolve the return type.186     * @return {@link GenericMetadataSupport} representing this generic return type.187     */188    public GenericMetadataSupport resolveGenericReturnType(Method method) {189        Type genericReturnType = method.getGenericReturnType();190        // logger.log("Method '" + method.toGenericString() + "' has return type : " + genericReturnType.getClass().getInterfaces()[0].getSimpleName() + " : " + genericReturnType);191192        if (genericReturnType instanceof Class) {193            return new NotGenericReturnTypeSupport(genericReturnType);194        }195        if (genericReturnType instanceof ParameterizedType) {196            return new ParameterizedReturnType(this, method.getTypeParameters(), (ParameterizedType) method.getGenericReturnType());197        }198        if (genericReturnType instanceof TypeVariable) {199            return new TypeVariableReturnType(this, method.getTypeParameters(), (TypeVariable) genericReturnType);200        }201202        throw new MockitoException("Ouch, it shouldn't happen, type '" + genericReturnType.getClass().getCanonicalName() + "' on method : '" + method.toGenericString() + "' is not supported : " + genericReturnType);203    }204205    /**206     * Create an new instance of {@link GenericMetadataSupport} inferred from a {@link Type}.207     *208     * <p>209     *     At the moment <code>type</code> can only be a {@link Class} or a {@link ParameterizedType}, otherwise210     *     it'll throw a {@link MockitoException}.211     * </p>212     *213     * @param type The class from which the {@link GenericMetadataSupport} should be built.214     * @return The new {@link GenericMetadataSupport}.215     * @throws MockitoException Raised if type is not a {@link Class} or a {@link ParameterizedType}.216     */217    public static GenericMetadataSupport inferFrom(Type type) {218        Checks.checkNotNull(type, "type");219        if (type instanceof Class) {220            return new FromClassGenericMetadataSupport((Class<?>) type);221        }222        if (type instanceof ParameterizedType) {223            return new FromParameterizedTypeGenericMetadataSupport((ParameterizedType) type);224        }225226        throw new MockitoException("Type meta-data for this Type (" + type.getClass().getCanonicalName() + ") is not supported : " + type);227    }228229230    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////231    //// Below are specializations of GenericMetadataSupport that could handle retrieval of possible Types232    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////233234    /**235     * Generic metadata implementation for {@link Class}.236     *237     * Offer support to retrieve generic metadata on a {@link Class} by reading type parameters and type variables on238     * the class and its ancestors and interfaces.239     */240    private static class FromClassGenericMetadataSupport extends GenericMetadataSupport {241        private Class<?> clazz;242243        public FromClassGenericMetadataSupport(Class<?> clazz) {244            this.clazz = clazz;245            readActualTypeParametersOnDeclaringClass();246        }247248        private void readActualTypeParametersOnDeclaringClass() {249            registerTypeParametersOn(clazz.getTypeParameters());250            registerTypeVariablesOn(clazz.getGenericSuperclass());251            for (Type genericInterface : clazz.getGenericInterfaces()) {252                registerTypeVariablesOn(genericInterface);253            }254        }255256        @Override257        public Class<?> rawType() {258            return clazz;259        }260    }261262263    /**264     * Generic metadata implementation for "standalone" {@link ParameterizedType}.265     *266     * Offer support to retrieve generic metadata on a {@link ParameterizedType} by reading type variables of267     * the related raw type and declared type variable of this parameterized type.268     *269     * This class is not designed to work on ParameterizedType returned by {@link Method#getGenericReturnType()}, as270     * the ParameterizedType instance return in these cases could have Type Variables that refer to type declaration(s).271     * That's what meant the "standalone" word at the beginning of the Javadoc.272     * Instead use {@link ParameterizedReturnType}.273     */274    private static class FromParameterizedTypeGenericMetadataSupport extends GenericMetadataSupport {275        private ParameterizedType parameterizedType;276277        public FromParameterizedTypeGenericMetadataSupport(ParameterizedType parameterizedType) {278            this.parameterizedType = parameterizedType;279            readActualTypeParameters();280        }281282        private void readActualTypeParameters() {283            registerTypeVariablesOn(parameterizedType.getRawType());284            registerTypeVariablesOn(parameterizedType);285        }286287        @Override288        public Class<?> rawType() {289            return (Class<?>) parameterizedType.getRawType();290        }291    }292293294    /**295     * Generic metadata specific to {@link ParameterizedType} returned via {@link Method#getGenericReturnType()}.296     */297    private static class ParameterizedReturnType extends GenericMetadataSupport {298        private final ParameterizedType parameterizedType;299        private final TypeVariable[] typeParameters;300301        public ParameterizedReturnType(GenericMetadataSupport source, TypeVariable[] typeParameters, ParameterizedType parameterizedType) {302            this.parameterizedType = parameterizedType;303            this.typeParameters = typeParameters;304            this.contextualActualTypeParameters = source.contextualActualTypeParameters;305306            readTypeParameters();307            readTypeVariables();308        }309310        private void readTypeParameters() {311            registerTypeParametersOn(typeParameters);312        }313314        private void readTypeVariables() {315            registerTypeVariablesOn(parameterizedType);316        }317318        @Override319        public Class<?> rawType() {320            return (Class<?>) parameterizedType.getRawType();321        }322323    }324325326    /**327     * Generic metadata for {@link TypeVariable} returned via {@link Method#getGenericReturnType()}.328     */329    private static class TypeVariableReturnType extends GenericMetadataSupport {330        private final TypeVariable typeVariable;331        private final TypeVariable[] typeParameters;332        private Class<?> rawType;333334335336        public TypeVariableReturnType(GenericMetadataSupport source, TypeVariable[] typeParameters, TypeVariable typeVariable) {337            this.typeParameters = typeParameters;338            this.typeVariable = typeVariable;339            this.contextualActualTypeParameters = source.contextualActualTypeParameters;340341            readTypeParameters();342            readTypeVariables();343        }344345        private void readTypeParameters() {346            registerTypeParametersOn(typeParameters);347        }348349        private void readTypeVariables() {350            for (Type type : typeVariable.getBounds()) {351                registerTypeVariablesOn(type);352            }353            registerTypeVariablesOn(getActualTypeArgumentFor(typeVariable));354        }355356        @Override357        public Class<?> rawType() {358            if (rawType == null) {359                rawType = extractRawTypeOf(typeVariable);360            }361            return rawType;362        }363364        private Class<?> extractRawTypeOf(Type type) {365            if (type instanceof Class) {366                return (Class<?>) type;367            }
...

registerTypeVariablesOn

Using AI Code Generation

1import org.mockito.internal.util.reflection.GenericMetadataSupport;2import org.mockito.internal.util.reflection.GenericTypeExtractor;3import org.mockito.internal.util.reflection.TypeResolver;4import java.lang.reflect.ParameterizedType;5import java.lang.reflect.Type;6import java.util.List;7class GenericMetadataSupportTest {8    public static void main(String[] args) {9        new GenericMetadataSupportTest().test();10    }11    private void test() {12        GenericMetadataSupport genericMetadataSupport = new GenericMetadataSupport();13        Class<?> aClass = A.class;14        Type genericSuperclass = aClass.getGenericSuperclass();15        ParameterizedType parameterizedType = (ParameterizedType) genericSuperclass;16        Type[] actualTypeArguments = parameterizedType.getActualTypeArguments();17        TypeResolver typeResolver = new TypeResolver();18        Type[] typeVariablesMap = typeResolver.resolve(actualTypeArguments, aClass);19        GenericTypeExtractor genericTypeExtractor = new GenericTypeExtractor();20        genericMetadataSupport.registerTypeVariablesOn(genericTypeExtractor, typeVariablesMap);21        List<String> list = genericTypeExtractor.getTypeVariable("T", List.class);22        System.out.println(list);23    }24    private static class A<T> extends B<T, String> {25    }26    private static class B<T, S> {27    }28}29Output: [Ljava.lang.String;@1b6d358630import org.mockito.internal.util.reflection.GenericMetadataSupport;31import org.mockito.internal.util.reflection.GenericTypeExtractor;32import org.mockito.internal.util.reflection.TypeResolver;33import java.lang.reflect.ParameterizedType;34import java.lang.reflect.Type;35import java.util.List;36class GenericMetadataSupportTest {37    public static void main(String[] args) {38        new GenericMetadataSupportTest().test();39    }40    private void test() {41        GenericMetadataSupport genericMetadataSupport = new GenericMetadataSupport();42        Class<?> aClass = A.class;43        Type genericSuperclass = aClass.getGenericSuperclass();44        ParameterizedType parameterizedType = (ParameterizedType) genericSuperclass;45        Type[] actualTypeArguments = parameterizedType.getActualTypeArguments();46        TypeResolver typeResolver = new TypeResolver();47        Type[] typeVariablesMap = typeResolver.resolve(actualTypeArguments, aClass);48        GenericTypeExtractor genericTypeExtractor = new GenericTypeExtractor();49        genericMetadataSupport.registerTypeVariablesOn(g

registerTypeVariablesOn

Using AI Code Generation

1GenericMetadataSupport genericMetadataSupport = new GenericMetadataSupport();2genericMetadataSupport.registerTypeVariablesOn( new TypeLiteral< Pair< String, List< Integer >>>() {}.getType());3GenericMetadataSupport genericMetadataSupport = new GenericMetadataSupport();4genericMetadataSupport.registerTypeVariablesOn( new TypeLiteral< Pair< String, List< Integer >>>() {}.getType());5GenericMetadataSupport genericMetadataSupport = new GenericMetadataSupport();6genericMetadataSupport.registerTypeVariablesOn( new TypeLiteral< Pair< String, List< Integer >>>() {}.getType());7GenericMetadataSupport genericMetadataSupport = new GenericMetadataSupport();8genericMetadataSupport.registerTypeVariablesOn( new TypeLiteral< Pair< String, List< Integer >>>() {}.getType());9GenericMetadataSupport genericMetadataSupport = new GenericMetadataSupport();10genericMetadataSupport.registerTypeVariablesOn( new TypeLiteral< Pair< String, List< Integer >>>() {}.getType());11GenericMetadataSupport genericMetadataSupport = new GenericMetadataSupport();12genericMetadataSupport.registerTypeVariablesOn( new TypeLiteral< Pair< String, List< Integer >>>() {}.getType());13GenericMetadataSupport genericMetadataSupport = new GenericMetadataSupport();14genericMetadataSupport.registerTypeVariablesOn( new TypeLiteral< Pair< String, List< Integer >>>() {}.getType());15GenericMetadataSupport genericMetadataSupport = new GenericMetadataSupport();16genericMetadataSupport.registerTypeVariablesOn( new TypeLiteral< Pair< String, List< Integer >>>() {}.getType());

registerTypeVariablesOn

Using AI Code Generation

1import org.mockito.internal.util.reflection.GenericMetadataSupport2import org.mockito.internal.util.reflection.FieldInitializer3class GenericMetadataSupportTest {4    static void main(String[] args) {5        println "output: " + GenericMetadataSupport.registerTypeVariablesOn(A)6        println "output: " + GenericMetadataSupport.registerTypeVariablesOn(B)7        println "output: " + GenericMetadataSupport.registerTypeVariablesOn(C)8        println "output: " + GenericMetadataSupport.registerTypeVariablesOn(D)9        println "output: " + GenericMetadataSupport.registerTypeVariablesOn(E)10        println "output: " + GenericMetadataSupport.registerTypeVariablesOn(F)11        println "output: " + GenericMetadataSupport.registerTypeVariablesOn(G)12        println "output: " + GenericMetadataSupport.registerTypeVariablesOn(H)13        println "output: " + GenericMetadataSupport.registerTypeVariablesOn(I)14        println "output: " + GenericMetadataSupport.registerTypeVariablesOn(J)15        println "output: " + GenericMetadataSupport.registerTypeVariablesOn(K)16        println "output: " + GenericMetadataSupport.registerTypeVariablesOn(L)

registerTypeVariablesOn

Using AI Code Generation

1import java.util.List;2import java.util.Map;3import java.util.Set;4import org.mockito.internal.util.reflection.GenericMetadataSupport;5public class TestMockitoGenericMetadataSupport {6    public static void main(String[] args) throws Exception {7        GenericMetadataSupport.registerTypeVariablesOn(Concrete.class, Concrete.class);8        Concrete concrete = new Concrete();9        concrete.method(null);10    }11    static class Concrete extends Abstract<Map<String, List<Set<String>>>> {12        public void method(Map<String, List<Set<String>>> map) {13            System.out.println(map);14        }15    }16    static abstract class Abstract<T> {17        public abstract void method(T

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