001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.camel.component.gae.auth;
018    
019    import com.google.gdata.client.authn.oauth.OAuthParameters;
020    
021    /**
022     * Interface to Google's OAuth services. 
023     */
024    public interface GAuthService {
025    
026        /**
027         * Gets an unauthorized request token from Google.
028         * 
029         * @param oauthParameters
030         *            value object for providing input data and storing result data
031         *            (unauthorized request token).
032         * @throws Exception
033         */
034        void getUnauthorizedRequestToken(OAuthParameters oauthParameters) throws Exception;
035    
036        /**
037         * Gets an access token from Google.
038         * 
039         * @param oauthParameters
040         *            value object for providing input data (authorized request
041         *            token) and storing result data (access token).
042         * @throws Exception
043         */
044        void getAccessToken(OAuthParameters oauthParameters) throws Exception;
045        
046    }