/*
* Copyright 2011 the original author or authors.
*
* 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 static com.fasterxml.jackson.annotation.JsonInclude.Include.NON_NULL;
import static com.fasterxml.jackson.databind.DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES;
import static com.fasterxml.jackson.databind.SerializationFeature.FAIL_ON_EMPTY_BEANS;
import static com.fasterxml.jackson.databind.SerializationFeature.WRITE_DATES_AS_TIMESTAMPS;
import java.util.ArrayList;
import java.util.List;
import org.springframework.http.converter.ByteArrayHttpMessageConverter;
import org.springframework.http.converter.FormHttpMessageConverter;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.ResourceHttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.social.google.api.Google;
import org.springframework.social.google.api.drive.DriveOperations;
import org.springframework.social.google.api.drive.impl.DriveTemplate;
import org.springframework.social.google.api.plus.PlusOperations;
import org.springframework.social.google.api.plus.impl.PlusTemplate;
import org.springframework.social.google.api.tasks.TaskOperations;
import org.springframework.social.google.api.tasks.impl.TaskTemplate;
import org.springframework.social.oauth2.AbstractOAuth2ApiBinding;
import org.springframework.social.oauth2.OAuth2Version;
import com.fasterxml.jackson.databind.ObjectMapper;
/**
* <p>
* The central class for interacting with Google APIs.
* </p>
* <p>
* Most of the APIs, specifically all GData APIs and Google+ usage of "me", require OAuth2 authentication.
* To use methods that require OAuth2 authentication, {@link GoogleTemplate} must be constructed with
* an access token which is authorized for the appropriate scope.
* For using Google+ without authenticating, {@link GoogleTemplate} default constructor can be used.
* </p>
* @author Gabriel Axel
*/
public class GoogleTemplate extends AbstractOAuth2ApiBinding implements Google {
private String accessToken;
private PlusOperations plusOperations;
private TaskOperations taskOperations;
private DriveOperations driveOperations;
/**
* Creates a new instance of GoogleTemplate.
* This constructor creates a new GoogleTemplate able to perform unauthenticated operations against Google+.
*/
public GoogleTemplate() {
initialize();
}
/**
* Creates a new instance of GoogleTemplate.
* This constructor creates the FacebookTemplate using a given access token.
* @param accessToken an access token granted by Google after OAuth2 authentication
*/
public GoogleTemplate(String accessToken) {
super(accessToken);
this.accessToken = accessToken;
initialize();
}
private void initialize() {
plusOperations = new PlusTemplate(getRestTemplate(), isAuthorized());
taskOperations = new TaskTemplate(getRestTemplate(), isAuthorized());
driveOperations = new DriveTemplate(getRestTemplate(), isAuthorized());
}
@Override
protected List<HttpMessageConverter<?>> getMessageConverters() {
MappingJackson2HttpMessageConverter jsonConverter = new MappingJackson2HttpMessageConverter();
ObjectMapper objectMapper = new ObjectMapper();
objectMapper.configure(FAIL_ON_UNKNOWN_PROPERTIES, false);
objectMapper.configure(WRITE_DATES_AS_TIMESTAMPS, false);
objectMapper.configure(FAIL_ON_EMPTY_BEANS, false);
objectMapper.setSerializationInclusion(NON_NULL);
jsonConverter.setObjectMapper(objectMapper);
FormHttpMessageConverter formHttpMessageConverter = new FormHttpMessageConverter();
formHttpMessageConverter.addPartConverter(jsonConverter);
List<HttpMessageConverter<?>> messageConverters = new ArrayList<HttpMessageConverter<?>>();
messageConverters.add(jsonConverter);
messageConverters.add(new ByteArrayHttpMessageConverter());
messageConverters.add(formHttpMessageConverter);
messageConverters.add(new ResourceHttpMessageConverter());
return messageConverters;
}
@Override
protected OAuth2Version getOAuth2Version() {
return OAuth2Version.BEARER;
}
@Override
public PlusOperations plusOperations() {
return plusOperations;
}
@Override
public TaskOperations taskOperations() {
return taskOperations;
}
@Override
public DriveOperations driveOperations() {
return driveOperations;
}
@Override
public String getAccessToken() {
return accessToken;
}
}