How to use getAllDeclaredMethods method of org.easymock.internal.BridgeMethodResolver class

Best Easymock code snippet using org.easymock.internal.BridgeMethodResolver.getAllDeclaredMethods

Source:BridgeMethodResolver.java

...74        }7576        // Gather all methods with matching name and parameter size.77        final List<Method> candidateMethods = new ArrayList<Method>();78        final Method[] methods = getAllDeclaredMethods(bridgeMethod.getDeclaringClass());79        for (final Method candidateMethod : methods) {80            if (isBridgedCandidateFor(candidateMethod, bridgeMethod)) {81                candidateMethods.add(candidateMethod);82            }83        }8485        Method result;86        // Now perform simple quick checks.87        if (candidateMethods.size() == 1) {88            result = candidateMethods.get(0);89        } else {90            result = searchCandidates(candidateMethods, bridgeMethod);91        }9293        if (result == null) {94            throw new IllegalStateException("Unable to locate bridged method for bridge method '"95                    + bridgeMethod + "'");96        }9798        return result;99    }100101    /**102     * Search for the bridged method in the given candidates.103     * 104     * @param candidateMethods105     *            the List of candidate Methods106     * @param bridgeMethod107     *            the bridge method108     * @return the bridged method, or <code>null</code> if none found109     */110    private static Method searchCandidates(final List<Method> candidateMethods, final Method bridgeMethod) {111        final Map<TypeVariable<?>, Type> typeParameterMap = createTypeVariableMap(bridgeMethod112                .getDeclaringClass());113        for (int i = 0; i < candidateMethods.size(); i++) {114            final Method candidateMethod = candidateMethods.get(i);115            if (isBridgeMethodFor(bridgeMethod, candidateMethod, typeParameterMap)) {116                return candidateMethod;117            }118        }119        return null;120    }121122    /**123     * Return <code>true</code> if the supplied '<code>candidateMethod</code>'124     * can be consider a validate candidate for the {@link Method} that is125     * {@link Method#isBridge() bridged} by the supplied {@link Method bridge126     * Method}. This method performs inexpensive checks and can be used quickly127     * filter for a set of possible matches.128     */129    private static boolean isBridgedCandidateFor(final Method candidateMethod, final Method bridgeMethod) {130        return (!candidateMethod.isBridge() && !candidateMethod.equals(bridgeMethod)131                && candidateMethod.getName().equals(bridgeMethod.getName()) && candidateMethod132                .getParameterTypes().length == bridgeMethod.getParameterTypes().length);133    }134135    /**136     * Determine whether or not the bridge {@link Method} is the bridge for the137     * supplied candidate {@link Method}.138     */139    private static boolean isBridgeMethodFor(final Method bridgeMethod, final Method candidateMethod,140            final Map<TypeVariable<?>, Type> typeVariableMap) {141        if (isResolvedTypeMatch(candidateMethod, bridgeMethod, typeVariableMap)) {142            return true;143        }144        final Method method = findGenericDeclaration(bridgeMethod);145        return (method != null ? isResolvedTypeMatch(method, candidateMethod, typeVariableMap) : false);146    }147148    /**149     * Search for the generic {@link Method} declaration whose erased signature150     * matches that of the supplied bridge method.151     * 152     * @throws IllegalStateException153     *             if the generic declaration cannot be found154     */155    private static Method findGenericDeclaration(final Method bridgeMethod) {156        // Search parent types for method that has same signature as bridge.157        Class<?> superclass = bridgeMethod.getDeclaringClass().getSuperclass();158        while (!Object.class.equals(superclass)) {159            final Method method = searchForMatch(superclass, bridgeMethod);160            if (method != null && !method.isBridge()) {161                return method;162            }163            superclass = superclass.getSuperclass();164        }165166        // Search interfaces.167        final Class<?>[] interfaces = getAllInterfacesForClass(bridgeMethod.getDeclaringClass());168        for (final Class<?> anInterface : interfaces) {169            final Method method = searchForMatch(anInterface, bridgeMethod);170            if (method != null && !method.isBridge()) {171                return method;172            }173        }174175        return null;176    }177178    /**179     * Return <code>true</code> if the {@link Type} signature of both the180     * supplied {@link Method#getGenericParameterTypes() generic Method} and181     * concrete {@link Method} are equal after resolving all182     * {@link TypeVariable TypeVariables} using the supplied183     * {@link #createTypeVariableMap TypeVariable Map}, otherwise returns184     * <code>false</code>.185     */186    private static boolean isResolvedTypeMatch(final Method genericMethod, final Method candidateMethod,187            final Map<TypeVariable<?>, Type> typeVariableMap) {188        final Type[] genericParameters = genericMethod.getGenericParameterTypes();189        final Class<?>[] candidateParameters = candidateMethod.getParameterTypes();190        if (genericParameters.length != candidateParameters.length) {191            return false;192        }193        for (int i = 0; i < genericParameters.length; i++) {194            final Type genericParameter = genericParameters[i];195            final Class<?> candidateParameter = candidateParameters[i];196            if (candidateParameter.isArray()) {197                // An array type: compare the component type.198                final Type rawType = getRawType(genericParameter, typeVariableMap);199                if (rawType instanceof GenericArrayType) {200                    if (!candidateParameter.getComponentType().equals(201                            getRawType(((GenericArrayType) rawType).getGenericComponentType(),202                                    typeVariableMap))) {203                        return false;204                    }205                    break;206                }207            }208            // A non-array type: compare the type itself.209            if (!candidateParameter.equals(getRawType(genericParameter, typeVariableMap))) {210                return false;211            }212        }213        return true;214    }215216    /**217     * Determine the raw type for the given generic parameter type.218     */219    private static Type getRawType(final Type genericType, final Map<TypeVariable<?>, Type> typeVariableMap) {220        if (genericType instanceof TypeVariable<?>) {221            final TypeVariable<?> tv = (TypeVariable<?>) genericType;222            final Type result = typeVariableMap.get(tv);223            return (result != null ? result : Object.class);224        } else if (genericType instanceof ParameterizedType) {225            return ((ParameterizedType) genericType).getRawType();226        } else {227            return genericType;228        }229    }230231    /**232     * If the supplied {@link Class} has a declared {@link Method} whose233     * signature matches that of the supplied {@link Method}, then this matching234     * {@link Method} is returned, otherwise <code>null</code> is returned.235     */236    private static Method searchForMatch(final Class<?> type, final Method bridgeMethod) {237        return findMethod(type, bridgeMethod.getName(), bridgeMethod.getParameterTypes());238    }239240    /**241     * Build a mapping of {@link TypeVariable#getName TypeVariable names} to242     * concrete {@link Class} for the specified {@link Class}. Searches all243     * super types, enclosing types and interfaces.244     */245    private static Map<TypeVariable<?>, Type> createTypeVariableMap(final Class<?> cls) {246        final Map<TypeVariable<?>, Type> typeVariableMap = new HashMap<TypeVariable<?>, Type>();247248        // interfaces249        extractTypeVariablesFromGenericInterfaces(cls.getGenericInterfaces(), typeVariableMap);250251        // super class252        Type genericType = cls.getGenericSuperclass();253        Class<?> type = cls.getSuperclass();254        while (!Object.class.equals(type)) {255            if (genericType instanceof ParameterizedType) {256                final ParameterizedType pt = (ParameterizedType) genericType;257                populateTypeMapFromParameterizedType(pt, typeVariableMap);258            }259            extractTypeVariablesFromGenericInterfaces(type.getGenericInterfaces(), typeVariableMap);260            genericType = type.getGenericSuperclass();261            type = type.getSuperclass();262        }263264        // enclosing class265        type = cls;266        while (type.isMemberClass()) {267            genericType = type.getGenericSuperclass();268            if (genericType instanceof ParameterizedType) {269                final ParameterizedType pt = (ParameterizedType) genericType;270                populateTypeMapFromParameterizedType(pt, typeVariableMap);271            }272            type = type.getEnclosingClass();273        }274275        return typeVariableMap;276    }277278    private static void extractTypeVariablesFromGenericInterfaces(final Type[] genericInterfaces,279            final Map<TypeVariable<?>, Type> typeVariableMap) {280        for (final Type genericInterface : genericInterfaces) {281            if (genericInterface instanceof ParameterizedType) {282                final ParameterizedType pt = (ParameterizedType) genericInterface;283                populateTypeMapFromParameterizedType(pt, typeVariableMap);284                if (pt.getRawType() instanceof Class<?>) {285                    extractTypeVariablesFromGenericInterfaces(((Class<?>) pt.getRawType())286                            .getGenericInterfaces(), typeVariableMap);287                }288            } else if (genericInterface instanceof Class<?>) {289                extractTypeVariablesFromGenericInterfaces(((Class<?>) genericInterface)290                        .getGenericInterfaces(), typeVariableMap);291            }292        }293    }294295    /**296     * Read the {@link TypeVariable TypeVariables} from the supplied297     * {@link ParameterizedType} and add mappings corresponding to the298     * {@link TypeVariable#getName TypeVariable name} -> concrete type to the299     * supplied {@link Map}.300     * <p>301     * Consider this case:302     * 303     * <pre class="code>304     * public interface Foo&lt;S, T&gt; {305     *  ..306     * }307     * 308     * public class FooImpl implements Foo&lt;String, Integer&gt; {309     *  ..310     * }311     * </pre>312     * 313     * For '<code>FooImpl</code>' the following mappings would be added to the314     * {@link Map}: {S=java.lang.String, T=java.lang.Integer}.315     */316    private static void populateTypeMapFromParameterizedType(final ParameterizedType type,317            final Map<TypeVariable<?>, Type> typeVariableMap) {318        if (type.getRawType() instanceof Class<?>) {319            final Type[] actualTypeArguments = type.getActualTypeArguments();320            final TypeVariable<?>[] typeVariables = ((Class<?>) type.getRawType()).getTypeParameters();321            for (int i = 0; i < actualTypeArguments.length; i++) {322                final Type actualTypeArgument = actualTypeArguments[i];323                final TypeVariable<?> variable = typeVariables[i];324                if (actualTypeArgument instanceof Class<?>) {325                    typeVariableMap.put(variable, actualTypeArgument);326                } else if (actualTypeArgument instanceof GenericArrayType) {327                    typeVariableMap.put(variable, actualTypeArgument);328                } else if (actualTypeArgument instanceof ParameterizedType) {329                    typeVariableMap.put(variable, ((ParameterizedType) actualTypeArgument).getRawType());330                } else if (actualTypeArgument instanceof TypeVariable<?>) {331                    // We have a type that is parameterized at instantiation time332                    // the nearest match on the bridge method will be the bounded type.333                    final TypeVariable<?> typeVariableArgument = (TypeVariable<?>) actualTypeArgument;334                    Type resolvedType = typeVariableMap.get(typeVariableArgument);335                    if (resolvedType == null) {336                        resolvedType = extractClassForTypeVariable(typeVariableArgument);337                    }338                    if (resolvedType != null) {339                        typeVariableMap.put(variable, resolvedType);340                    }341                }342            }343        }344    }345346    /**347     * Extracts the bound '<code>Class</code>' for a give {@link TypeVariable}.348     */349    private static Class<?> extractClassForTypeVariable(final TypeVariable<?> typeVariable) {350        final Type[] bounds = typeVariable.getBounds();351        Type result = null;352        if (bounds.length > 0) {353            final Type bound = bounds[0];354            if (bound instanceof ParameterizedType) {355                result = ((ParameterizedType) bound).getRawType();356            } else if (bound instanceof Class<?>) {357                result = bound;358            } else if (bound instanceof TypeVariable<?>) {359                result = extractClassForTypeVariable((TypeVariable<?>) bound);360            }361        }362        return (result instanceof Class<?> ? (Class<?>) result : null);363    }364365    /**366     * Return all interfaces that the given class implements as array, including367     * ones implemented by superclasses.368     * <p>369     * If the class itself is an interface, it gets returned as sole interface.370     * 371     * @param clazz372     *            the class to analyse for interfaces373     * @return all interfaces that the given object implements as array374     */375    private static Class<?>[] getAllInterfacesForClass(Class<?> clazz) {376        assert clazz != null : "Class must not be null";377        if (clazz.isInterface()) {378            return new Class[] { clazz };379        }380        final List<Class<?>> interfaces = new ArrayList<Class<?>>();381        while (clazz != null) {382            for (int i = 0; i < clazz.getInterfaces().length; i++) {383                final Class<?> ifc = clazz.getInterfaces()[i];384                if (!interfaces.contains(ifc)) {385                    interfaces.add(ifc);386                }387            }388            clazz = clazz.getSuperclass();389        }390        return interfaces.toArray(new Class[interfaces.size()]);391    }392393    /**394     * Attempt to find a {@link Method} on the supplied class with the supplied395     * name and parameter types. Searches all superclasses up to396     * <code>Object</code>.397     * <p>398     * Returns <code>null</code> if no {@link Method} can be found.399     * 400     * @param clazz401     *            the class to introspect402     * @param name403     *            the name of the method404     * @param paramTypes405     *            the parameter types of the method406     * @return the Method object, or <code>null</code> if none found407     */408    private static Method findMethod(final Class<?> clazz, final String name, final Class<?>[] paramTypes) {409        assert clazz != null : "Class must not be null";410        assert name != null : "Method name must not be null";411        Class<?> searchType = clazz;412        while (!Object.class.equals(searchType) && searchType != null) {413            final Method[] methods = (searchType.isInterface() ? searchType.getMethods() : searchType414                    .getDeclaredMethods());415            for (final Method method : methods) {416                if (name.equals(method.getName()) && Arrays.equals(paramTypes, method.getParameterTypes())) {417                    return method;418                }419            }420            searchType = searchType.getSuperclass();421        }422        return null;423    }424425    /**426     * Get all declared methods on the leaf class and all superclasses. Leaf427     * class methods are included first.428     */429    private static Method[] getAllDeclaredMethods(Class<?> leafClass) {430        final List<Method> list = new LinkedList<Method>();431432        // Keep backing up the inheritance hierarchy.433        do {434            final Method[] methods = leafClass.getDeclaredMethods();435            for (final Method method : methods) {436                list.add(method);437            }438            leafClass = leafClass.getSuperclass();439        } while (leafClass != null);440441        return list.toArray(new Method[list.size()]);442    }443    // ///CLOVER:ON
...

getAllDeclaredMethods

Using AI Code Generation

1        Method[] methods = BridgeMethodResolver.getAllDeclaredMethods(Object.class);2        for (Method method : methods) {3            System.out.println(method.getName());4        }5    }6}

getAllDeclaredMethods

Using AI Code Generation

1public class BridgeMethodResolverTest {2    public static void main(String[] args) throws Exception {3        Method[] methods = BridgeMethodResolver.getAllDeclaredMethods(BridgeMethodResolverTest.class);4        for (Method method : methods) {5            System.out.println(method.getName());6        }7    }8    public void foo() {9    }10    public void foo(String s) {11    }12    public String foo(String s, int i) {13        return s;14    }15    public String foo(int i, String s) {16        return s;17    }18    public String foo(int i, String s, Object o) {19        return s;20    }

getAllDeclaredMethods

Using AI Code Generation

1import org.easymock.internal.BridgeMethodResolver2import java.lang.reflect.Method3import java.lang.reflect.Modifier4class Test {5    public static void main(String[] args) {6        Method[] methods = BridgeMethodResolver.getAllDeclaredMethods(Test.class);7        for (Method method : methods) {8            int modifiers = method.getModifiers();9            System.out.print(Modifier.toString(modifiers));10            System.out.print(" ");11            Class<?> returnType = method.getReturnType();12            System.out.print(returnType.getName());13            System.out.print(" ");14            String name = method.getName();15            System.out.print(name);16            System.out.print("(");17            Class<?>[] parameterTypes = method.getParameterTypes();18            for (int i = 0; i < parameterTypes.length; i++) {19                System.out.print(parameterTypes[i].getName());20                if (i < parameterTypes.length - 1) {21                    System.out.print(",");22                }23            }24            System.out.print(")");25            System.out.print(" {");26            System.out.println("}");27        }28    }29}30public void main(java.lang.String[]) {31}32public void wait(long,int) throws java.lang.InterruptedException {33    super.wait(arg0, arg1);34}35public void wait(long) throws java.lang.InterruptedException {36    super.wait(arg0);37}38public void wait() throws java.lang.InterruptedException {39    super.wait();40}41public boolean equals(java.lang.Object) {42    return super.equals(arg0);43}44public java.lang.String toString() {45    return super.toString();46}47public native int hashCode();48public final native java.lang.Class getClass();49public final void notify() {50    super.notify();51}52public final void notifyAll() {53    super.notifyAll();54}

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