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An OAuth2 client implementation based on http-client-essentials.

There is a newer version: 0.22.1

/*
 * Copyright (C) 2016 Marten Gajda 
 *
 *
 * 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 org.dmfs.oauth2.client;

/**
 * Represents an OAuth2 scope.
 * 
 * @author Marten Gajda 
 */
public interface OAuth2Scope
{
	/**
	 * Returns whether this scope is empty.
	 * 
	 * @return true if this scope is empty, false otherwise.
	 */
	public boolean isEmpty();


	/**
	 * Returns whether this scope contains the given scope token or not.
	 * 
	 * @param token
	 *            The scope token to check for.
	 * @return true if the scope token is contained in this scope, false otherwise.
	 */
	public boolean hasToken(String token);


	/**
	 * Returns a string version of this scope as described in RFC 6749, section 3.3, i.e. a list
	 * of scope tokens separated by spaces.
	 * 
	 * @return A String containing a list scope tokens, separated by spaces, or an empty String if {@link #isEmpty()} returns true.
	 */
	public String toString();
}