Examples with ClassTypePair org.glassfish.jersey.internal.util.collection.ClassTypePair used on opensource projects

Example 6 with ClassTypePair

use of org.glassfish.jersey.internal.util.collection.ClassTypePair in project jersey by jersey.

the class ReflectionHelper method getParameterizedTypeArguments.

/**
     * Get the parameterized type arguments for a declaring class that
     * declares a generic interface type.
     *
     * @param p the declaring class
     * @return the parameterized type arguments, or null if the generic
     * interface type is not a parameterized type.
     */
public static Type[] getParameterizedTypeArguments(final DeclaringClassInterfacePair p) {
    if (p.genericInterface instanceof ParameterizedType) {
        final ParameterizedType pt = (ParameterizedType) p.genericInterface;
        final Type[] as = pt.getActualTypeArguments();
        final Type[] ras = new Type[as.length];
        for (int i = 0; i < as.length; i++) {
            final Type a = as[i];
            if (a instanceof Class) {
                ras[i] = a;
            } else if (a instanceof ParameterizedType) {
                ras[i] = a;
            } else if (a instanceof TypeVariable) {
                final ClassTypePair ctp = resolveTypeVariable(p.concreteClass, p.declaringClass, (TypeVariable) a);
                if (ctp == null) {
                    throw new IllegalArgumentException(LocalizationMessages.ERROR_RESOLVING_GENERIC_TYPE_VALUE(p.genericInterface, p.concreteClass));
                }
                ras[i] = ctp.type();
            }
        }
        return ras;
    } else {
        return null;
    }
}

Example 7 with ClassTypePair

use of org.glassfish.jersey.internal.util.collection.ClassTypePair in project jersey by jersey.

the class OptionalParamConverterProvider method getConverter.

@Override
public <T> ParamConverter<T> getConverter(final Class<T> rawType, final Type genericType, final Annotation[] annotations) {
    final List<ClassTypePair> ctps = ReflectionHelper.getTypeArgumentAndClass(genericType);
    final ClassTypePair ctp = (ctps.size() == 1) ? ctps.get(0) : null;
    if (ctp == null || ctp.rawClass() == String.class) {
        return new ParamConverter<T>() {

            @Override
            public T fromString(final String value) {
                return rawType.cast(Optional.fromNullable(value));
            }

            @Override
            public String toString(final T value) throws IllegalArgumentException {
                return value.toString();
            }
        };
    }
    final Set<ParamConverterProvider> converterProviders = Providers.getProviders(injectionManager, ParamConverterProvider.class);
    for (ParamConverterProvider provider : converterProviders) {
        @SuppressWarnings("unchecked") final ParamConverter<?> converter = provider.getConverter(ctp.rawClass(), ctp.type(), annotations);
        if (converter != null) {
            return new ParamConverter<T>() {

                @Override
                public T fromString(final String value) {
                    return rawType.cast(Optional.fromNullable(value).transform((Function<String, Object>) s -> converter.fromString(value)));
                }

                @Override
                public String toString(final T value) throws IllegalArgumentException {
                    return value.toString();
                }
            };
        }
    }
    return null;
}

Example 8 with ClassTypePair

use of org.glassfish.jersey.internal.util.collection.ClassTypePair in project dropwizard by dropwizard.

the class OptionalParamConverterProvider method getConverter.

/**
     * {@inheritDoc}
     */
@Override
public <T> ParamConverter<T> getConverter(final Class<T> rawType, final Type genericType, final Annotation[] annotations) {
    if (Optional.class.equals(rawType)) {
        final List<ClassTypePair> ctps = ReflectionHelper.getTypeArgumentAndClass(genericType);
        final ClassTypePair ctp = (ctps.size() == 1) ? ctps.get(0) : null;
        if (ctp == null || ctp.rawClass() == String.class) {
            return new ParamConverter<T>() {

                @Override
                public T fromString(final String value) {
                    return rawType.cast(Optional.ofNullable(value));
                }

                @Override
                public String toString(final T value) {
                    return value.toString();
                }
            };
        }
        for (ParamConverterProvider provider : Providers.getProviders(locator, ParamConverterProvider.class)) {
            final ParamConverter<?> converter = provider.getConverter(ctp.rawClass(), ctp.type(), annotations);
            if (converter != null) {
                return new ParamConverter<T>() {

                    @Override
                    public T fromString(final String value) {
                        return rawType.cast(Optional.ofNullable(value).map(s -> converter.fromString(value)));
                    }

                    @Override
                    public String toString(final T value) {
                        return value.toString();
                    }
                };
            }
        }
    }
    return null;
}

Example 9 with ClassTypePair

use of org.glassfish.jersey.internal.util.collection.ClassTypePair in project dropwizard by dropwizard.

the class OptionalParamConverterProvider method getConverter.

/**
 * {@inheritDoc}
 */
@Override
@Nullable
public <T> ParamConverter<T> getConverter(final Class<T> rawType, final Type genericType, final Annotation[] annotations) {
    if (Optional.class.equals(rawType)) {
        final List<ClassTypePair> ctps = ReflectionHelper.getTypeArgumentAndClass(genericType);
        final ClassTypePair ctp = (ctps.size() == 1) ? ctps.get(0) : null;
        if (ctp == null || ctp.rawClass() == String.class) {
            return new ParamConverter<T>() {

                @Override
                public T fromString(final String value) {
                    return rawType.cast(Optional.fromNullable(value));
                }

                @Override
                public String toString(final T value) {
                    return value.toString();
                }
            };
        }
        for (ParamConverterProvider provider : Providers.getProviders(manager, ParamConverterProvider.class)) {
            final ParamConverter<?> converter = provider.getConverter(ctp.rawClass(), ctp.type(), annotations);
            if (converter != null) {
                return new ParamConverter<T>() {

                    @Override
                    public T fromString(final String value) {
                        final Object convertedValue = value == null ? null : converter.fromString(value);
                        return rawType.cast(Optional.fromNullable(convertedValue));
                    }

                    @Override
                    public String toString(final T value) {
                        return value.toString();
                    }
                };
            }
        }
    }
    return null;
}