/*
* 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 org.springframework.http.HttpMethod.*;
import static org.springframework.http.HttpMethod.PUT;
import static org.springframework.util.StringUtils.hasText;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpMethod;
import org.springframework.http.ResponseEntity;
import org.springframework.social.MissingAuthorizationException;
import org.springframework.social.google.api.ApiEntity;
import org.springframework.web.client.RestTemplate;
/**
* Abstract superclass for implementations that work with Google+ APIs.
* @author Gabriel Axel
*/
public abstract class AbstractGoogleApiOperations {
protected final RestTemplate restTemplate;
protected final boolean isAuthorized;
protected AbstractGoogleApiOperations(RestTemplate restTemplate, boolean isAuthorized) {
this.restTemplate = restTemplate;
this.isAuthorized = isAuthorized;
}
protected void requireAuthorization() {
if (!isAuthorized) {
throw new MissingAuthorizationException("google");
}
}
protected <T> T getEntity(String url, Class<T> type) {
return restTemplate.getForObject(url, type);
}
@SuppressWarnings("unchecked")
protected <T> T saveEntity(String url, T entity) {
return (T) restTemplate.postForObject(url, entity, entity.getClass());
}
protected <T extends ApiEntity> T saveEntity(String baseUrl, T entity) {
String url;
HttpMethod method;
if(hasText(entity.getId())) {
url = baseUrl + '/' + entity.getId();
method = PUT;
} else {
url = baseUrl;
method = POST;
}
@SuppressWarnings("unchecked")
ResponseEntity<T> response =
restTemplate.exchange(url, method, new HttpEntity<T>(entity), (Class<T>)entity.getClass());
return response.getBody();
}
protected void deleteEntity(String baseUrl, ApiEntity entity) {
deleteEntity(baseUrl, entity.getId());
}
protected void deleteEntity(String baseUrl, String id) {
restTemplate.delete(baseUrl + '/' + id);
}
protected <T> T patch(String url, Object request, Class<T> responseType) {
ResponseEntity<T> response = restTemplate.exchange(url, PATCH, new HttpEntity<Object>(request), responseType);
return response.getBody();
}
}