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

Example 86 with ParameterizedType

use of java.lang.reflect.ParameterizedType in project jetty.project by eclipse.

the class ReflectUtils method toShortName.

public static String toShortName(Type type) {
    if (type == null) {
        return "<null>";
    }
    if (type instanceof Class) {
        String name = ((Class<?>) type).getName();
        return trimClassName(name);
    }
    if (type instanceof ParameterizedType) {
        ParameterizedType ptype = (ParameterizedType) type;
        StringBuilder str = new StringBuilder();
        str.append(trimClassName(((Class<?>) ptype.getRawType()).getName()));
        str.append("<");
        Type[] args = ptype.getActualTypeArguments();
        for (int i = 0; i < args.length; i++) {
            if (i > 0) {
                str.append(",");
            }
            str.append(args[i]);
        }
        str.append(">");
        return str.toString();
    }
    return type.toString();
}

Example 87 with ParameterizedType

use of java.lang.reflect.ParameterizedType in project jetty.project by eclipse.

the class ReflectUtils method resolveGenericRef.

private static boolean resolveGenericRef(GenericRef ref, Class<?> clazz, Type type) {
    if (type instanceof Class) {
        if (type == ref.ifaceClass) {
            // is this a straight ref or a TypeVariable?
            // debug("Found ref (as class): %s",toShortName(type));
            ref.setGenericFromType(type, 0);
            return true;
        } else {
            // Keep digging
            return resolveGenericRef(ref, type);
        }
    }
    if (type instanceof ParameterizedType) {
        ParameterizedType ptype = (ParameterizedType) type;
        Type rawType = ptype.getRawType();
        if (rawType == ref.ifaceClass) {
            // debug("Found ref on [%s] as ParameterizedType [%s]",toShortName(clazz),toShortName(ptype));
            // Always get the raw type parameter, let unwrap() solve for what it is
            ref.setGenericFromType(ptype.getActualTypeArguments()[0], 0);
            return true;
        } else {
            // Keep digging
            return resolveGenericRef(ref, rawType);
        }
    }
    return false;
}

Example 88 with ParameterizedType

use of java.lang.reflect.ParameterizedType in project druid by druid-io.

the class JsonConfigProvider method bindInstance.

@SuppressWarnings("unchecked")
public static <T> void bindInstance(Binder binder, Key<T> bindKey, T instance) {
    binder.bind(bindKey).toInstance(instance);
    final ParameterizedType supType = Types.newParameterizedType(Supplier.class, bindKey.getTypeLiteral().getType());
    final Key supplierKey;
    if (bindKey.getAnnotationType() != null) {
        supplierKey = Key.get(supType, bindKey.getAnnotationType());
    } else if (bindKey.getAnnotation() != null) {
        supplierKey = Key.get(supType, bindKey.getAnnotation());
    } else {
        supplierKey = Key.get(supType);
    }
    binder.bind(supplierKey).toInstance(Suppliers.<T>ofInstance(instance));
}

Example 89 with ParameterizedType

use of java.lang.reflect.ParameterizedType in project dropwizard by dropwizard.

the class OptionalMessageBodyWriter method writeTo.

@SuppressWarnings({ "rawtypes", "unchecked" })
@Override
public void writeTo(Optional<?> entity, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType, MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream) throws IOException {
    if (!entity.isPresent()) {
        throw EmptyOptionalException.INSTANCE;
    }
    final ParameterizedType actualGenericType = (ParameterizedType) genericType;
    final Type actualGenericTypeArgument = actualGenericType.getActualTypeArguments()[0];
    final MessageBodyWriter writer = mbw.get().getMessageBodyWriter(entity.get().getClass(), actualGenericTypeArgument, annotations, mediaType);
    writer.writeTo(entity.get(), entity.get().getClass(), actualGenericTypeArgument, annotations, mediaType, httpHeaders, entityStream);
}

Example 90 with ParameterizedType

use of java.lang.reflect.ParameterizedType in project dropwizard by dropwizard.

the class OptionalMessageBodyWriter method writeTo.

@SuppressWarnings({ "rawtypes", "unchecked" })
@Override
public void writeTo(Optional<?> entity, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType, MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream) throws IOException {
    if (!entity.isPresent()) {
        throw EmptyOptionalException.INSTANCE;
    }
    final Type innerGenericType = (genericType instanceof ParameterizedType) ? ((ParameterizedType) genericType).getActualTypeArguments()[0] : entity.get().getClass();
    final MessageBodyWriter writer = mbw.get().getMessageBodyWriter(entity.get().getClass(), innerGenericType, annotations, mediaType);
    writer.writeTo(entity.get(), entity.get().getClass(), innerGenericType, annotations, mediaType, httpHeaders, entityStream);
}