Examples with Type java.lang.reflect.Type used on opensource projects

Example 41 with Type

use of java.lang.reflect.Type in project okhttp-OkGo by jeasonlzy.

the class TypeUtils method resolve.

public static Type resolve(Type context, Class<?> contextRawType, Type toResolve) {
    // This implementation is made a little more complicated in an attempt to avoid object-creation.
    while (true) {
        if (toResolve instanceof TypeVariable) {
            TypeVariable<?> typeVariable = (TypeVariable<?>) toResolve;
            toResolve = resolveTypeVariable(context, contextRawType, typeVariable);
            if (toResolve == typeVariable) {
                return toResolve;
            }
        } else if (toResolve instanceof Class && ((Class<?>) toResolve).isArray()) {
            Class<?> original = (Class<?>) toResolve;
            Type componentType = original.getComponentType();
            Type newComponentType = resolve(context, contextRawType, componentType);
            return componentType == newComponentType ? original : new GenericArrayTypeImpl(newComponentType);
        } else if (toResolve instanceof GenericArrayType) {
            GenericArrayType original = (GenericArrayType) toResolve;
            Type componentType = original.getGenericComponentType();
            Type newComponentType = resolve(context, contextRawType, componentType);
            return componentType == newComponentType ? original : new GenericArrayTypeImpl(newComponentType);
        } else if (toResolve instanceof ParameterizedType) {
            ParameterizedType original = (ParameterizedType) toResolve;
            Type ownerType = original.getOwnerType();
            Type newOwnerType = resolve(context, contextRawType, ownerType);
            boolean changed = newOwnerType != ownerType;
            Type[] args = original.getActualTypeArguments();
            for (int t = 0, length = args.length; t < length; t++) {
                Type resolvedTypeArgument = resolve(context, contextRawType, args[t]);
                if (resolvedTypeArgument != args[t]) {
                    if (!changed) {
                        args = args.clone();
                        changed = true;
                    }
                    args[t] = resolvedTypeArgument;
                }
            }
            return changed ? new ParameterizedTypeImpl(newOwnerType, original.getRawType(), args) : original;
        } else if (toResolve instanceof WildcardType) {
            WildcardType original = (WildcardType) toResolve;
            Type[] originalLowerBound = original.getLowerBounds();
            Type[] originalUpperBound = original.getUpperBounds();
            if (originalLowerBound.length == 1) {
                Type lowerBound = resolve(context, contextRawType, originalLowerBound[0]);
                if (lowerBound != originalLowerBound[0]) {
                    return new WildcardTypeImpl(new Type[] { Object.class }, new Type[] { lowerBound });
                }
            } else if (originalUpperBound.length == 1) {
                Type upperBound = resolve(context, contextRawType, originalUpperBound[0]);
                if (upperBound != originalUpperBound[0]) {
                    return new WildcardTypeImpl(new Type[] { upperBound }, EMPTY_TYPE_ARRAY);
                }
            }
            return original;
        } else {
            return toResolve;
        }
    }
}

Example 42 with Type

use of java.lang.reflect.Type in project okhttp-OkGo by jeasonlzy.

the class TypeUtils method getParameterUpperBound.

public static Type getParameterUpperBound(int index, ParameterizedType type) {
    Type[] types = type.getActualTypeArguments();
    if (index < 0 || index >= types.length) {
        throw new IllegalArgumentException("Index " + index + " not in range [0," + types.length + ") for " + type);
    }
    Type paramType = types[index];
    if (paramType instanceof WildcardType) {
        return ((WildcardType) paramType).getUpperBounds()[0];
    }
    return paramType;
}

Example 43 with Type

use of java.lang.reflect.Type in project jersey by jersey.

the class JaxbStringReaderProviderTest method stringReaderDoesNotReadExternalDtds.

@Test
public void stringReaderDoesNotReadExternalDtds() {
    Provider<SAXParserFactory> saxParserFactoryProvider = new Provider<SAXParserFactory>() {

        final SaxParserFactoryInjectionProvider spf = new SaxParserFactoryInjectionProvider(new CommonConfig(RuntimeType.SERVER, ComponentBag.INCLUDE_ALL));

        @Override
        public SAXParserFactory get() {
            return spf.get();
        }
    };
    JaxbStringReaderProvider.RootElementProvider provider = new JaxbStringReaderProvider.RootElementProvider(saxParserFactoryProvider, new Providers() {

        @Override
        public <T> MessageBodyReader<T> getMessageBodyReader(Class<T> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
            return null;
        }

        @Override
        public <T> MessageBodyWriter<T> getMessageBodyWriter(Class<T> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
            return null;
        }

        @Override
        public <T extends Throwable> ExceptionMapper<T> getExceptionMapper(Class<T> type) {
            return null;
        }

        @Override
        public <T> ContextResolver<T> getContextResolver(Class<T> contextType, MediaType mediaType) {
            return null;
        }
    });
    String content = "<!DOCTYPE x SYSTEM 'file:///no-such-file'> <rootObject/>";
    provider.getConverter(RootObject.class, null, null).fromString(content);
}

Example 44 with Type

use of java.lang.reflect.Type in project jersey by jersey.

the class AbstractCollectionJaxbProvider method verifyGenericType.

/**
     * The method could be used to check if given type is a collection of JAXB beans.
     * It allows customizing the "is this a JAXB bean?" part.
     *
     * @param genericType the type to be checked
     * @param checker     allows JAXB bean check customization
     * @return true if given type is a collection of JAXB beans
     */
public static boolean verifyGenericType(Type genericType, JaxbTypeChecker checker) {
    if (!(genericType instanceof ParameterizedType)) {
        return false;
    }
    final ParameterizedType pt = (ParameterizedType) genericType;
    if (pt.getActualTypeArguments().length > 1) {
        return false;
    }
    final Type ta = pt.getActualTypeArguments()[0];
    if (ta instanceof ParameterizedType) {
        ParameterizedType lpt = (ParameterizedType) ta;
        return (lpt.getRawType() instanceof Class) && JAXBElement.class.isAssignableFrom((Class) lpt.getRawType());
    }
    if (!(pt.getActualTypeArguments()[0] instanceof Class)) {
        return false;
    }
    final Class listClass = (Class) pt.getActualTypeArguments()[0];
    return checker.isJaxbType(listClass);
}

Example 45 with Type

use of java.lang.reflect.Type in project storm by apache.

the class RelNodeCompiler method aggregate.

private void aggregate(AggregateCall call) {
    SqlAggFunction aggFunction = call.getAggregation();
    String aggregationName = call.getAggregation().getName();
    Type ty = typeFactory.getJavaClass(call.getType());
    if (call.getArgList().size() != 1) {
        if (aggregationName.equals("COUNT")) {
            if (call.getArgList().size() != 0) {
                throw new UnsupportedOperationException("Count with nullable fields");
            }
        }
    }
    if (aggFunction instanceof SqlUserDefinedAggFunction) {
        AggregateFunction aggregateFunction = ((SqlUserDefinedAggFunction) aggFunction).function;
        doAggregate((AggregateFunctionImpl) aggregateFunction, reserveAggVarName(call), ty, call.getArgList());
    } else {
        List<BuiltinAggregateFunctions.TypeClass> typeClasses = BuiltinAggregateFunctions.TABLE.get(aggregationName);
        if (typeClasses == null) {
            throw new UnsupportedOperationException(aggregationName + " Not implemented");
        }
        doAggregate(AggregateFunctionImpl.create(findMatchingClass(aggregationName, typeClasses, ty)), reserveAggVarName(call), ty, call.getArgList());
    }
}