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OAuth 2.0 SDK with OpenID Connection extensions for developing
client and server applications.
/*
* oauth2-oidc-sdk
*
* Copyright 2012-2016, Connect2id Ltd and contributors.
*
* 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 com.nimbusds.oauth2.sdk.util;
import java.util.Collection;
/**
* Collection utilities. Replicates Apache Commons Collections.
*/
public final class CollectionUtils {
/**
* Returns {@code true} if the specified collection is {@code null} or
* empty.
*
* @param collection The collection. May be {@code null}.
*
* @return {@code true} if the collection is {@code null} or empty,
* else {@code false}.
*/
public static boolean isEmpty(final Collection collection) {
return collection == null || collection.isEmpty();
}
/**
* Returns {@code true} if the specified collection is not empty.
*
* @param collection The collection. May be {@code null}.
*
* @return {@code true} if the collection is not empty, else
* {@code false}.
*/
public static boolean isNotEmpty(final Collection collection) {
return collection != null && ! collection.isEmpty();
}
/**
* Prevents public instantiation.
*/
private CollectionUtils() {}
}