/*
* Copyright 2012-2017 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.security.oauth2.client.user.converter;
import org.springframework.core.convert.converter.Converter;
import org.springframework.http.client.ClientHttpResponse;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.security.oauth2.core.user.OAuth2User;
import java.io.IOException;
/**
* An implementation of a {@link Converter} that converts a {@link ClientHttpResponse}
* to a custom type of {@link OAuth2User}, as supplied via the constructor.
*
* @author Joe Grandja
* @since 5.0
* @see OAuth2User
* @see ClientHttpResponse
*/
public final class CustomOAuth2UserConverter<T extends OAuth2User> implements Converter<ClientHttpResponse, T> {
private final HttpMessageConverter jackson2HttpMessageConverter = new MappingJackson2HttpMessageConverter();
private final Class<T> customType;
public CustomOAuth2UserConverter(Class<T> customType) {
this.customType = customType;
}
@Override
public T convert(ClientHttpResponse clientHttpResponse) {
T user;
try {
user = (T) this.jackson2HttpMessageConverter.read(this.customType, clientHttpResponse);
} catch (IOException ex) {
throw new IllegalArgumentException("An error occurred reading the UserInfo response: " + ex.getMessage(), ex);
}
return user;
}
}