de.cosmocode.commons.reflect.GetAllInterfaces.java Source code

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Here is the source code for de.cosmocode.commons.reflect.GetAllInterfaces.java

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/**
 * Copyright 2010 - 2013 CosmoCode GmbH
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package de.cosmocode.commons.reflect;

import com.google.common.base.Function;
import com.google.common.collect.Iterables;

import javax.annotation.Nullable;

/**
 * Implementation of {@link Reflection#getAllInterfaces()}.
 *
 * @since 1.12
 * @author Willi Schoenborn
 */
enum GetAllInterfaces implements Function<Class<?>, Iterable<Class<?>>> {

    INSTANCE;

    @Override
    public Iterable<Class<?>> apply(@Nullable Class<?> from) {
        return Iterables.filter(Reflection.getAllSuperTypes(from), Reflection.isInterface());
    }

}