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The Stormpath Java SDK API .jar provides a Java API that your code can use to make calls to the Stormpath API. This .jar is the only compile-time dependency within the Stormpath SDK project that your code should depend on. Implementations of this API (implementation .jars) should be runtime dependencies only.

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/*
 * Copyright 2014 Stormpath, Inc.
 *
 * 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.stormpath.sdk.authc;

import com.stormpath.sdk.api.ApiAuthenticationResult;
import com.stormpath.sdk.oauth.AccessTokenResult;
import com.stormpath.sdk.oauth.OAuthAuthenticationResult;

/**
 * A Visitor design pattern interface that allows one to
 * react to different types of authentication results, particularly those reflecting successfully authenticated API
 * requests (e.g. using {@link com.stormpath.sdk.api.ApiKey ApiKeys}.
 *
 * Instead of implementing this interface directly, you might consider using the {@code
 * AuthenticationResultVisitorAdaptor}, which allows you to implement only the methods you are interested in.
 *
 *  *  AuthenticationResult authResult = application.authenticateApiRequest(httpRequest).execute();
 *
 *  authResult.accept(new AuthenticationResultVisitorAdapter() {
 *
 *      @Override
 *      public void visit(ApiAuthenticationResult result) {
 *          Account account = result.getAccount();
 *          ApiKey apiKey = result.getApiKey();
 *          //do stuff
 *      }
 *
 *      @Override
 *      public void visit(AccessTokenResult result) {
 *          TokenResponse tokenResponse = result.getTokenResponse();
 *          //do stuff
 *      }
 *  });
 * 
 *
 * @see com.stormpath.sdk.api.ApiKey ApiKey
 * @see com.stormpath.sdk.api.ApiAuthenticationResult
 * @see com.stormpath.sdk.oauth.OAuthAuthenticationResult
 * @see com.stormpath.sdk.oauth.AccessTokenResult
 * @see com.stormpath.sdk.authc.AuthenticationResultVisitorAdapter
 * @since 1.0.RC
 */
public interface AuthenticationResultVisitor {

    /**
     * Allows handling of a successful (usually username/password)-based authentication attempt.
     *
     * @param result the {@link AuthenticationResult} instance reflecting a successful username/password authentication
     *               attempt.
     */
    void visit(AuthenticationResult result);

    /**
     * Invoked when an API request has been successfully authenticated with an {@link com.stormpath.sdk.api.ApiKey
     * ApiKey}, usually as a result of HTTP Basic Authentication.
     *
     * @param result the {@link com.stormpath.sdk.api.ApiAuthenticationResult} representing the successful API
     *               authentication attempt.
     */
    void visit(ApiAuthenticationResult result);

    /**
     * Invoked when an API request has been successfully authenticated using the OAuth 2 protocol.
     *
     * @param result the {@link com.stormpath.sdk.oauth.OAuthAuthenticationResult} representing the successful OAuth-based API authentication
     *               attempt.
     */
    void visit(OAuthAuthenticationResult result);

    /**
     * Invoked when an API request has been successfully authenticated using the OAuth 2 protocol and the HTTP response
     * must return a new OAuth 2 Access Token to the caller.  This almost always occurs as a result of handling a
     * request to the application's OAuth 2 Access Token endpoint, for example, {@code /oauth2/token}.
     *
     * @param result the {@link com.stormpath.sdk.oauth.AccessTokenResult} representing the successful OAuth-based API
     *               authentication attempt that must respond with an OAuth 2 Access Token response.
     */
    void visit(AccessTokenResult result);
}