Java tutorial
/** * (C) Copyright 2015 Hightea. * * 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.springframework.social.google.api.impl; import com.fasterxml.jackson.databind.ObjectMapper; import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter; import org.springframework.social.google.api.Google; import org.springframework.social.google.api.UserOperations; import org.springframework.social.google.api.impl.json.GoogleModule; import org.springframework.social.oauth2.AbstractOAuth2ApiBinding; /** * <p>This is the central class for interacting with Google.</p> * <p> * If some operations do not require OAuth authentication, you may use * a {@link GoogleTemplate} that is created through the default constructor * and without any OAuth details. * Attempts to perform secured operations through such an instance, however, * will result in {@link org.springframework.social.MissingAuthorizationException} being thrown. * </p> */ public class GoogleTemplate extends AbstractOAuth2ApiBinding implements Google { private UserOperations userOperations; /** * Create a new instance of GoogleTemplate. * This constructor creates a new GoogleTemplate able to perform unauthenticated operations against Google API. * A GoogleTemplate created with this constructor will not support operations requiring authentication. * Those operations requiring authentication will throw {@link org.springframework.social.MissingAuthorizationException}. */ public GoogleTemplate() { initialize(); } /** * Creates a new instance of GoogleTemplate. * This constructor creates the GoogleTemplate using a given access token. * @param accessToken an access token granted by Google after OAuth2 authentication */ public GoogleTemplate(String accessToken) { super(accessToken); initialize(); } private void initialize() { userOperations = new UserTemplate(getRestTemplate(), isAuthorized()); } @Override protected MappingJackson2HttpMessageConverter getJsonMessageConverter() { MappingJackson2HttpMessageConverter converter = super.getJsonMessageConverter(); converter.setObjectMapper(new ObjectMapper().registerModule(new GoogleModule())); return converter; } @Override public UserOperations userOperations() { return userOperations; } }